diff options
Diffstat (limited to 'arch/x86')
182 files changed, 4448 insertions, 6077 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index dcb0593b4a6..cea0cd9a316 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -55,6 +55,7 @@ config X86 select HAVE_HW_BREAKPOINT select HAVE_MIXED_BREAKPOINTS_REGS select PERF_EVENTS + select HAVE_PERF_EVENTS_NMI select ANON_INODES select HAVE_ARCH_KMEMCHECK select HAVE_USER_RETURN_NOTIFIER @@ -72,9 +73,6 @@ config ARCH_DEFCONFIG default "arch/x86/configs/i386_defconfig" if X86_32 default "arch/x86/configs/x86_64_defconfig" if X86_64 -config GENERIC_TIME - def_bool y - config GENERIC_CMOS_UPDATE def_bool y @@ -247,6 +245,11 @@ config ARCH_HWEIGHT_CFLAGS config KTIME_SCALAR def_bool X86_32 + +config ARCH_CPU_PROBE_RELEASE + def_bool y + depends on HOTPLUG_CPU + source "init/Kconfig" source "kernel/Kconfig.freezer" @@ -751,11 +754,11 @@ config IOMMU_API def_bool (AMD_IOMMU || DMAR) config MAXSMP - bool "Configure Maximum number of SMP Processors and NUMA Nodes" + bool "Enable Maximum number of SMP Processors and NUMA Nodes" depends on X86_64 && SMP && DEBUG_KERNEL && EXPERIMENTAL select CPUMASK_OFFSTACK ---help--- - Configure maximum number of CPUS and NUMA Nodes for this architecture. + Enable maximum number of CPUS and NUMA Nodes for this architecture. If unsure, say N. config NR_CPUS @@ -2046,7 +2049,7 @@ config SCx200 config SCx200HR_TIMER tristate "NatSemi SCx200 27MHz High-Resolution Timer Support" - depends on SCx200 && GENERIC_TIME + depends on SCx200 default y ---help--- This driver provides a clocksource built upon the on-chip @@ -2062,6 +2065,15 @@ config OLPC Add support for detecting the unique features of the OLPC XO hardware. +config OLPC_OPENFIRMWARE + bool "Support for OLPC's Open Firmware" + depends on !X86_64 && !X86_PAE + default y if OLPC + help + This option adds support for the implementation of Open Firmware + that is used on the OLPC XO-1 Children's Machine. + If unsure, say N here. + endif # X86_32 config K8_NB diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile index ec749c2bfdd..f7cb086b4ad 100644 --- a/arch/x86/boot/Makefile +++ b/arch/x86/boot/Makefile @@ -26,10 +26,10 @@ targets := vmlinux.bin setup.bin setup.elf bzImage targets += fdimage fdimage144 fdimage288 image.iso mtools.conf subdir- := compressed -setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpucheck.o edd.o -setup-y += header.o main.o mca.o memory.o pm.o pmjump.o -setup-y += printf.o regs.o string.o tty.o video.o video-mode.o -setup-y += version.o +setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpucheck.o +setup-y += early_serial_console.o edd.o header.o main.o mca.o memory.o +setup-y += pm.o pmjump.o printf.o regs.o string.o tty.o video.o +setup-y += video-mode.o version.o setup-$(CONFIG_X86_APM_BOOT) += apm.o # The link order of the video-*.o modules can matter. In particular, diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h index 98239d2658f..c7093bd9f2d 100644 --- a/arch/x86/boot/boot.h +++ b/arch/x86/boot/boot.h @@ -28,6 +28,7 @@ #include "bitops.h" #include <asm/cpufeature.h> #include <asm/processor-flags.h> +#include "ctype.h" /* Useful macros */ #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) @@ -37,6 +38,8 @@ extern struct setup_header hdr; extern struct boot_params boot_params; +#define cpu_relax() asm volatile("rep; nop") + /* Basic port I/O */ static inline void outb(u8 v, u16 port) { @@ -198,11 +201,6 @@ static inline int memcmp_gs(const void *s1, addr_t s2, size_t len) return diff; } -static inline int isdigit(int ch) -{ - return (ch >= '0') && (ch <= '9'); -} - /* Heap -- available for dynamic lists. */ extern char _end[]; extern char *HEAP; @@ -287,8 +285,18 @@ struct biosregs { void intcall(u8 int_no, const struct biosregs *ireg, struct biosregs *oreg); /* cmdline.c */ -int cmdline_find_option(const char *option, char *buffer, int bufsize); -int cmdline_find_option_bool(const char *option); +int __cmdline_find_option(u32 cmdline_ptr, const char *option, char *buffer, int bufsize); +int __cmdline_find_option_bool(u32 cmdline_ptr, const char *option); +static inline int cmdline_find_option(const char *option, char *buffer, int bufsize) +{ + return __cmdline_find_option(boot_params.hdr.cmd_line_ptr, option, buffer, bufsize); +} + +static inline int cmdline_find_option_bool(const char *option) +{ + return __cmdline_find_option_bool(boot_params.hdr.cmd_line_ptr, option); +} + /* cpu.c, cpucheck.c */ struct cpu_features { @@ -300,6 +308,10 @@ extern struct cpu_features cpu; int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr); int validate_cpu(void); +/* early_serial_console.c */ +extern int early_serial_base; +void console_init(void); + /* edd.c */ void query_edd(void); @@ -329,8 +341,10 @@ void initregs(struct biosregs *regs); /* string.c */ int strcmp(const char *str1, const char *str2); +int strncmp(const char *cs, const char *ct, size_t count); size_t strnlen(const char *s, size_t maxlen); unsigned int atou(const char *s); +unsigned long long simple_strtoull(const char *cp, char **endp, unsigned int base); /* tty.c */ void puts(const char *); diff --git a/arch/x86/boot/cmdline.c b/arch/x86/boot/cmdline.c index a1d35634bce..6b3b6f708c0 100644 --- a/arch/x86/boot/cmdline.c +++ b/arch/x86/boot/cmdline.c @@ -27,9 +27,8 @@ static inline int myisspace(u8 c) * Returns the length of the argument (regardless of if it was * truncated to fit in the buffer), or -1 on not found. */ -int cmdline_find_option(const char *option, char *buffer, int bufsize) +int __cmdline_find_option(u32 cmdline_ptr, const char *option, char *buffer, int bufsize) { - u32 cmdline_ptr = boot_params.hdr.cmd_line_ptr; addr_t cptr; char c; int len = -1; @@ -100,9 +99,8 @@ int cmdline_find_option(const char *option, char *buffer, int bufsize) * Returns the position of that option (starts counting with 1) * or 0 on not found */ -int cmdline_find_option_bool(const char *option) +int __cmdline_find_option_bool(u32 cmdline_ptr, const char *option) { - u32 cmdline_ptr = boot_params.hdr.cmd_line_ptr; addr_t cptr; char c; int pos = 0, wstart = 0; diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index fbb47daf245..0c229551eea 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -4,7 +4,7 @@ # create a compressed vmlinux image from the original vmlinux # -targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.lzo head_$(BITS).o misc.o piggy.o +targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.lzo head_$(BITS).o misc.o string.o cmdline.o early_serial_console.o piggy.o KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 KBUILD_CFLAGS += -fno-strict-aliasing -fPIC @@ -23,7 +23,7 @@ LDFLAGS_vmlinux := -T hostprogs-y := mkpiggy -$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/piggy.o FORCE +$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/string.o $(obj)/cmdline.o $(obj)/early_serial_console.o $(obj)/piggy.o FORCE $(call if_changed,ld) @: diff --git a/arch/x86/boot/compressed/cmdline.c b/arch/x86/boot/compressed/cmdline.c new file mode 100644 index 00000000000..cb62f786990 --- /dev/null +++ b/arch/x86/boot/compressed/cmdline.c @@ -0,0 +1,21 @@ +#include "misc.h" + +static unsigned long fs; +static inline void set_fs(unsigned long seg) +{ + fs = seg << 4; /* shift it back */ +} +typedef unsigned long addr_t; +static inline char rdfs8(addr_t addr) +{ + return *((char *)(fs + addr)); +} +#include "../cmdline.c" +int cmdline_find_option(const char *option, char *buffer, int bufsize) +{ + return __cmdline_find_option(real_mode->hdr.cmd_line_ptr, option, buffer, bufsize); +} +int cmdline_find_option_bool(const char *option) +{ + return __cmdline_find_option_bool(real_mode->hdr.cmd_line_ptr, option); +} diff --git a/arch/x86/boot/compressed/early_serial_console.c b/arch/x86/boot/compressed/early_serial_console.c new file mode 100644 index 00000000000..261e81fb958 --- /dev/null +++ b/arch/x86/boot/compressed/early_serial_console.c @@ -0,0 +1,5 @@ +#include "misc.h" + +int early_serial_base; + +#include "../early_serial_console.c" diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S index f543b70ffae..67a655a39ce 100644 --- a/arch/x86/boot/compressed/head_32.S +++ b/arch/x86/boot/compressed/head_32.S @@ -124,6 +124,19 @@ relocated: rep stosl /* + * Adjust our own GOT + */ + leal _got(%ebx), %edx + leal _egot(%ebx), %ecx +1: + cmpl %ecx, %edx + jae 2f + addl %ebx, (%edx) + addl $4, %edx + jmp 1b +2: + +/* * Do the decompression, and jump to the new kernel.. */ leal z_extract_offset_negative(%ebx), %ebp diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S index faff0dc9c06..52f85a196fa 100644 --- a/arch/x86/boot/compressed/head_64.S +++ b/arch/x86/boot/compressed/head_64.S @@ -280,6 +280,19 @@ relocated: rep stosq /* + * Adjust our own GOT + */ + leaq _got(%rip), %rdx + leaq _egot(%rip), %rcx +1: + cmpq %rcx, %rdx + jae 2f + addq %rbx, (%rdx) + addq $8, %rdx + jmp 1b +2: + +/* * Do the decompression, and jump to the new kernel.. */ pushq %rsi /* Save the real mode argument */ diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index 51e240779a4..8f7bef8e9ff 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -9,23 +9,7 @@ * High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996 */ -/* - * we have to be careful, because no indirections are allowed here, and - * paravirt_ops is a kind of one. As it will only run in baremetal anyway, - * we just keep it from happening - */ -#undef CONFIG_PARAVIRT -#ifdef CONFIG_X86_32 -#define _ASM_X86_DESC_H 1 -#endif - -#include <linux/linkage.h> -#include <linux/screen_info.h> -#include <linux/elf.h> -#include <linux/io.h> -#include <asm/page.h> -#include <asm/boot.h> -#include <asm/bootparam.h> +#include "misc.h" /* WARNING!! * This code is compiled with -fPIC and it is relocated dynamically @@ -123,15 +107,13 @@ static void error(char *m); /* * This is set up by the setup-routine at boot-time */ -static struct boot_params *real_mode; /* Pointer to real-mode data */ +struct boot_params *real_mode; /* Pointer to real-mode data */ static int quiet; +static int debug; void *memset(void *s, int c, size_t n); void *memcpy(void *dest, const void *src, size_t n); -static void __putstr(int, const char *); -#define putstr(__x) __putstr(0, __x) - #ifdef CONFIG_X86_64 #define memptr long #else @@ -170,7 +152,21 @@ static void scroll(void) vidmem[i] = ' '; } -static void __putstr(int error, const char *s) +#define XMTRDY 0x20 + +#define TXR 0 /* Transmit register (WRITE) */ +#define LSR 5 /* Line Status */ +static void serial_putchar(int ch) +{ + unsigned timeout = 0xffff; + + while ((inb(early_serial_base + LSR) & XMTRDY) == 0 && --timeout) + cpu_relax(); + + outb(ch, early_serial_base + TXR); +} + +void __putstr(int error, const char *s) { int x, y, pos; char c; @@ -179,6 +175,14 @@ static void __putstr(int error, const char *s) if (!error) return; #endif + if (early_serial_base) { + const char *str = s; + while (*str) { + if (*str == '\n') + serial_putchar('\r'); + serial_putchar(*str++); + } + } if (real_mode->screen_info.orig_video_mode == 0 && lines == 0 && cols == 0) @@ -305,8 +309,10 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap, { real_mode = rmode; - if (real_mode->hdr.loadflags & QUIET_FLAG) + if (cmdline_find_option_bool("quiet")) quiet = 1; + if (cmdline_find_option_bool("debug")) + debug = 1; if (real_mode->screen_info.orig_video_mode == 7) { vidmem = (char *) 0xb0000; @@ -319,6 +325,10 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap, lines = real_mode->screen_info.orig_video_lines; cols = real_mode->screen_info.orig_video_cols; + console_init(); + if (debug) + putstr("early console in decompress_kernel\n"); + free_mem_ptr = heap; /* Heap */ free_mem_end_ptr = heap + BOOT_HEAP_SIZE; diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h new file mode 100644 index 00000000000..3f19c81a620 --- /dev/null +++ b/arch/x86/boot/compressed/misc.h @@ -0,0 +1,39 @@ +#ifndef BOOT_COMPRESSED_MISC_H +#define BOOT_COMPRESSED_MISC_H + +/* + * we have to be careful, because no indirections are allowed here, and + * paravirt_ops is a kind of one. As it will only run in baremetal anyway, + * we just keep it from happening + */ +#undef CONFIG_PARAVIRT +#ifdef CONFIG_X86_32 +#define _ASM_X86_DESC_H 1 +#endif + +#include <linux/linkage.h> +#include <linux/screen_info.h> +#include <linux/elf.h> +#include <linux/io.h> +#include <asm/page.h> +#include <asm/boot.h> +#include <asm/bootparam.h> + +#define BOOT_BOOT_H +#include "../ctype.h" + +/* misc.c */ +extern struct boot_params *real_mode; /* Pointer to real-mode data */ +void __putstr(int error, const char *s); +#define putstr(__x) __putstr(0, __x) +#define puts(__x) __putstr(0, __x) + +/* cmdline.c */ +int cmdline_find_option(const char *option, char *buffer, int bufsize); +int cmdline_find_option_bool(const char *option); + +/* early_serial_console.c */ +extern int early_serial_base; +void console_init(void); + +#endif diff --git a/arch/x86/boot/compressed/string.c b/arch/x86/boot/compressed/string.c new file mode 100644 index 00000000000..19b3e693cd7 --- /dev/null +++ b/arch/x86/boot/compressed/string.c @@ -0,0 +1,2 @@ +#include "misc.h" +#include "../string.c" diff --git a/arch/x86/boot/compressed/vmlinux.lds.S b/arch/x86/boot/compressed/vmlinux.lds.S index 5ddabceee12..34d047c9828 100644 --- a/arch/x86/boot/compressed/vmlinux.lds.S +++ b/arch/x86/boot/compressed/vmlinux.lds.S @@ -41,6 +41,12 @@ SECTIONS *(.rodata.*) _erodata = . ; } + .got : { + _got = .; + KEEP(*(.got.plt)) + KEEP(*(.got)) + _egot = .; + } .data : { _data = . ; *(.data) diff --git a/arch/x86/boot/ctype.h b/arch/x86/boot/ctype.h new file mode 100644 index 00000000000..25e13403193 --- /dev/null +++ b/arch/x86/boot/ctype.h @@ -0,0 +1,21 @@ +#ifndef BOOT_ISDIGIT_H + +#define BOOT_ISDIGIT_H + +static inline int isdigit(int ch) +{ + return (ch >= '0') && (ch <= '9'); +} + +static inline int isxdigit(int ch) +{ + if (isdigit(ch)) + return true; + + if ((ch >= 'a') && (ch <= 'f')) + return true; + + return (ch >= 'A') && (ch <= 'F'); +} + +#endif diff --git a/arch/x86/boot/early_serial_console.c b/arch/x86/boot/early_serial_console.c new file mode 100644 index 00000000000..030f4b93e25 --- /dev/null +++ b/arch/x86/boot/early_serial_console.c @@ -0,0 +1,139 @@ +#include "boot.h" + +#define DEFAULT_SERIAL_PORT 0x3f8 /* ttyS0 */ + +#define XMTRDY 0x20 + +#define DLAB 0x80 + +#define TXR 0 /* Transmit register (WRITE) */ +#define RXR 0 /* Receive register (READ) */ +#define IER 1 /* Interrupt Enable */ +#define IIR 2 /* Interrupt ID */ +#define FCR 2 /* FIFO control */ +#define LCR 3 /* Line control */ +#define MCR 4 /* Modem control */ +#define LSR 5 /* Line Status */ +#define MSR 6 /* Modem Status */ +#define DLL 0 /* Divisor Latch Low */ +#define DLH 1 /* Divisor latch High */ + +#define DEFAULT_BAUD 9600 + +static void early_serial_init(int port, int baud) +{ + unsigned char c; + unsigned divisor; + + outb(0x3, port + LCR); /* 8n1 */ + outb(0, port + IER); /* no interrupt */ + outb(0, port + FCR); /* no fifo */ + outb(0x3, port + MCR); /* DTR + RTS */ + + divisor = 115200 / baud; + c = inb(port + LCR); + outb(c | DLAB, port + LCR); + outb(divisor & 0xff, port + DLL); + outb((divisor >> 8) & 0xff, port + DLH); + outb(c & ~DLAB, port + LCR); + + early_serial_base = port; +} + +static void parse_earlyprintk(void) +{ + int baud = DEFAULT_BAUD; + char arg[32]; + int pos = 0; + int port = 0; + + if (cmdline_find_option("earlyprintk", arg, sizeof arg) > 0) { + char *e; + + if (!strncmp(arg, "serial", 6)) { + port = DEFAULT_SERIAL_PORT; + pos += 6; + } + + if (arg[pos] == ',') + pos++; + + if (!strncmp(arg, "ttyS", 4)) { + static const int bases[] = { 0x3f8, 0x2f8 }; + int idx = 0; + + if (!strncmp(arg + pos, "ttyS", 4)) + pos += 4; + + if (arg[pos++] == '1') + idx = 1; + + port = bases[idx]; + } + + if (arg[pos] == ',') + pos++; + + baud = simple_strtoull(arg + pos, &e, 0); + if (baud == 0 || arg + pos == e) + baud = DEFAULT_BAUD; + } + + if (port) + early_serial_init(port, baud); +} + +#define BASE_BAUD (1843200/16) +static unsigned int probe_baud(int port) +{ + unsigned char lcr, dll, dlh; + unsigned int quot; + + lcr = inb(port + LCR); + outb(lcr | DLAB, port + LCR); + dll = inb(port + DLL); + dlh = inb(port + DLH); + outb(lcr, port + LCR); + quot = (dlh << 8) | dll; + + return BASE_BAUD / quot; +} + +static void parse_console_uart8250(void) +{ + char optstr[64], *options; + int baud = DEFAULT_BAUD; + int port = 0; + + /* + * console=uart8250,io,0x3f8,115200n8 + * need to make sure it is last one console ! + */ + if (cmdline_find_option("console", optstr, sizeof optstr) <= 0) + return; + + options = optstr; + + if (!strncmp(options, "uart8250,io,", 12)) + port = simple_strtoull(options + 12, &options, 0); + else if (!strncmp(options, "uart,io,", 8)) + port = simple_strtoull(options + 8, &options, 0); + else + return; + + if (options && (options[0] == ',')) + baud = simple_strtoull(options + 1, &options, 0); + else + baud = probe_baud(port); + + if (port) + early_serial_init(port, baud); +} + +void console_init(void) +{ + parse_earlyprintk(); + + if (!early_serial_base) + parse_console_uart8250(); +} diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c index 140172b895b..40358c8905b 100644 --- a/arch/x86/boot/main.c +++ b/arch/x86/boot/main.c @@ -130,6 +130,11 @@ void main(void) /* First, copy the boot header into the "zeropage" */ copy_boot_params(); + /* Initialize the early-boot console */ + console_init(); + if (cmdline_find_option_bool("debug")) + puts("early console in setup code\n"); + /* End of heap check */ init_heap(); @@ -168,10 +173,6 @@ void main(void) /* Set the video mode */ set_video(); - /* Parse command line for 'quiet' and pass it to decompressor. */ - if (cmdline_find_option_bool("quiet")) - boot_params.hdr.loadflags |= QUIET_FLAG; - /* Do the last things and invoke protected mode */ go_to_protected_mode(); } diff --git a/arch/x86/boot/printf.c b/arch/x86/boot/printf.c index 50e47cdbddd..cdac91ca55d 100644 --- a/arch/x86/boot/printf.c +++ b/arch/x86/boot/printf.c @@ -34,7 +34,7 @@ static int skip_atoi(const char **s) #define SMALL 32 /* Must be 32 == 0x20 */ #define SPECIAL 64 /* 0x */ -#define do_div(n,base) ({ \ +#define __do_div(n, base) ({ \ int __res; \ __res = ((unsigned long) n) % (unsigned) base; \ n = ((unsigned long) n) / (unsigned) base; \ @@ -83,7 +83,7 @@ static char *number(char *str, long num, int base, int size, int precision, tmp[i++] = '0'; else while (num != 0) - tmp[i++] = (digits[do_div(num, base)] | locase); + tmp[i++] = (digits[__do_div(num, base)] | locase); if (i > precision) precision = i; size -= precision; diff --git a/arch/x86/boot/string.c b/arch/x86/boot/string.c index f94b7a0c2ab..3cbc4058dd2 100644 --- a/arch/x86/boot/string.c +++ b/arch/x86/boot/string.c @@ -30,6 +30,22 @@ int strcmp(const char *str1, const char *str2) return 0; } +int strncmp(const char *cs, const char *ct, size_t count) +{ + unsigned char c1, c2; + + while (count) { + c1 = *cs++; + c2 = *ct++; + if (c1 != c2) + return c1 < c2 ? -1 : 1; + if (!c1) + break; + count--; + } + return 0; +} + size_t strnlen(const char *s, size_t maxlen) { const char *es = s; @@ -48,3 +64,50 @@ unsigned int atou(const char *s) i = i * 10 + (*s++ - '0'); return i; } + +/* Works only for digits and letters, but small and fast */ +#define TOLOWER(x) ((x) | 0x20) + +static unsigned int simple_guess_base(const char *cp) +{ + if (cp[0] == '0') { + if (TOLOWER(cp[1]) == 'x' && isxdigit(cp[2])) + return 16; + else + return 8; + } else { + return 10; + } +} + +/** + * simple_strtoull - convert a string to an unsigned long long + * @cp: The start of the string + * @endp: A pointer to the end of the parsed string will be placed here + * @base: The number base to use + */ + +unsigned long long simple_strtoull(const char *cp, char **endp, unsigned int base) +{ + unsigned long long result = 0; + + if (!base) + base = simple_guess_base(cp); + + if (base == 16 && cp[0] == '0' && TOLOWER(cp[1]) == 'x') + cp += 2; + + while (isxdigit(*cp)) { + unsigned int value; + + value = isdigit(*cp) ? *cp - '0' : TOLOWER(*cp) - 'a' + 10; + if (value >= base) + break; + result = result * base + value; + cp++; + } + if (endp) + *endp = (char *)cp; + + return result; +} diff --git a/arch/x86/boot/tty.c b/arch/x86/boot/tty.c index 01ec69c901c..def2451f46a 100644 --- a/arch/x86/boot/tty.c +++ b/arch/x86/boot/tty.c @@ -10,23 +10,36 @@ * ----------------------------------------------------------------------- */ /* - * Very simple screen I/O - * XXX: Probably should add very simple serial I/O? + * Very simple screen and serial I/O */ #include "boot.h" +int early_serial_base; + +#define XMTRDY 0x20 + +#define TXR 0 /* Transmit register (WRITE) */ +#define LSR 5 /* Line Status */ + /* * These functions are in .inittext so they can be used to signal * error during initialization. */ -void __attribute__((section(".inittext"))) putchar(int ch) +static void __attribute__((section(".inittext"))) serial_putchar(int ch) { - struct biosregs ireg; + unsigned timeout = 0xffff; - if (ch == '\n') - putchar('\r'); /* \n -> \r\n */ + while ((inb(early_serial_base + LSR) & XMTRDY) == 0 && --timeout) + cpu_relax(); + + outb(ch, early_serial_base + TXR); +} + +static void __attribute__((section(".inittext"))) bios_putchar(int ch) +{ + struct biosregs ireg; initregs(&ireg); ireg.bx = 0x0007; @@ -36,6 +49,17 @@ void __attribute__((section(".inittext"))) putchar(int ch) intcall(0x10, &ireg, NULL); } +void __attribute__((section(".inittext"))) putchar(int ch) +{ + if (ch == '\n') + putchar('\r'); /* \n -> \r\n */ + + bios_putchar(ch); + + if (early_serial_base != 0) + serial_putchar(ch); +} + void __attribute__((section(".inittext"))) puts(const char *str) { while (*str) @@ -112,3 +136,4 @@ int getchar_timeout(void) return 0; /* Timeout! */ } + diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig index d28fad19654..6f9872658dd 100644 --- a/arch/x86/configs/i386_defconfig +++ b/arch/x86/configs/i386_defconfig @@ -1,524 +1,84 @@ -# -# Automatically generated make config: don't edit -# Linux kernel version: 2.6.30-rc2 -# Mon May 11 16:21:55 2009 -# -# CONFIG_64BIT is not set -CONFIG_X86_32=y -# CONFIG_X86_64 is not set -CONFIG_X86=y -CONFIG_OUTPUT_FORMAT="elf32-i386" -CONFIG_ARCH_DEFCONFIG="arch/x86/configs/i386_defconfig" -CONFIG_GENERIC_TIME=y -CONFIG_GENERIC_CMOS_UPDATE=y -CONFIG_CLOCKSOURCE_WATCHDOG=y -CONFIG_GENERIC_CLOCKEVENTS=y -CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y -CONFIG_LOCKDEP_SUPPORT=y -CONFIG_STACKTRACE_SUPPORT=y -CONFIG_HAVE_LATENCYTOP_SUPPORT=y -CONFIG_FAST_CMPXCHG_LOCAL=y -CONFIG_MMU=y -CONFIG_ZONE_DMA=y -CONFIG_GENERIC_ISA_DMA=y -CONFIG_GENERIC_IOMAP=y -CONFIG_GENERIC_BUG=y -CONFIG_GENERIC_HWEIGHT=y -CONFIG_ARCH_MAY_HAVE_PC_FDC=y -# CONFIG_RWSEM_GENERIC_SPINLOCK is not set -CONFIG_RWSEM_XCHGADD_ALGORITHM=y -CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y -CONFIG_GENERIC_CALIBRATE_DELAY=y -# CONFIG_GENERIC_TIME_VSYSCALL is not set -CONFIG_ARCH_HAS_CPU_RELAX=y -CONFIG_ARCH_HAS_DEFAULT_IDLE=y -CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y -CONFIG_HAVE_SETUP_PER_CPU_AREA=y -CONFIG_HAVE_DYNAMIC_PER_CPU_AREA=y -# CONFIG_HAVE_CPUMASK_OF_CPU_MAP is not set -CONFIG_ARCH_HIBERNATION_POSSIBLE=y -CONFIG_ARCH_SUSPEND_POSSIBLE=y -# CONFIG_ZONE_DMA32 is not set -CONFIG_ARCH_POPULATES_NODE_MAP=y -# CONFIG_AUDIT_ARCH is not set -CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y -CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y -CONFIG_GENERIC_HARDIRQS=y -CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y -CONFIG_GENERIC_IRQ_PROBE=y -CONFIG_GENERIC_PENDING_IRQ=y -CONFIG_USE_GENERIC_SMP_HELPERS=y -CONFIG_X86_32_SMP=y -CONFIG_X86_HT=y -CONFIG_X86_TRAMPOLINE=y -CONFIG_X86_32_LAZY_GS=y -CONFIG_KTIME_SCALAR=y -CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" - -# -# General setup -# CONFIG_EXPERIMENTAL=y -CONFIG_LOCK_KERNEL=y -CONFIG_INIT_ENV_ARG_LIMIT=32 -CONFIG_LOCALVERSION="" # CONFIG_LOCALVERSION_AUTO is not set -CONFIG_HAVE_KERNEL_GZIP=y -CONFIG_HAVE_KERNEL_BZIP2=y -CONFIG_HAVE_KERNEL_LZMA=y -CONFIG_KERNEL_GZIP=y -# CONFIG_KERNEL_BZIP2 is not set -# CONFIG_KERNEL_LZMA is not set -CONFIG_SWAP=y CONFIG_SYSVIPC=y -CONFIG_SYSVIPC_SYSCTL=y CONFIG_POSIX_MQUEUE=y -CONFIG_POSIX_MQUEUE_SYSCTL=y CONFIG_BSD_PROCESS_ACCT=y -# CONFIG_BSD_PROCESS_ACCT_V3 is not set CONFIG_TASKSTATS=y CONFIG_TASK_DELAY_ACCT=y CONFIG_TASK_XACCT=y CONFIG_TASK_IO_ACCOUNTING=y CONFIG_AUDIT=y -CONFIG_AUDITSYSCALL=y -CONFIG_AUDIT_TREE=y - -# -# RCU Subsystem -# -# CONFIG_CLASSIC_RCU is not set -CONFIG_TREE_RCU=y -# CONFIG_PREEMPT_RCU is not set -# CONFIG_RCU_TRACE is not set -CONFIG_RCU_FANOUT=32 -# CONFIG_RCU_FANOUT_EXACT is not set -# CONFIG_TREE_RCU_TRACE is not set -# CONFIG_PREEMPT_RCU_TRACE is not set -# CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=18 -CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y -CONFIG_GROUP_SCHED=y -CONFIG_FAIR_GROUP_SCHED=y -# CONFIG_RT_GROUP_SCHED is not set -# CONFIG_USER_SCHED is not set -CONFIG_CGROUP_SCHED=y CONFIG_CGROUPS=y -# CONFIG_CGROUP_DEBUG is not set CONFIG_CGROUP_NS=y CONFIG_CGROUP_FREEZER=y -# CONFIG_CGROUP_DEVICE is not set CONFIG_CPUSETS=y -CONFIG_PROC_PID_CPUSET=y CONFIG_CGROUP_CPUACCT=y CONFIG_RESOURCE_COUNTERS=y -# CONFIG_CGROUP_MEM_RES_CTLR is not set -# CONFIG_SYSFS_DEPRECATED_V2 is not set -CONFIG_RELAY=y -CONFIG_NAMESPACES=y +CONFIG_CGROUP_SCHED=y CONFIG_UTS_NS=y CONFIG_IPC_NS=y CONFIG_USER_NS=y CONFIG_PID_NS=y CONFIG_NET_NS=y CONFIG_BLK_DEV_INITRD=y -CONFIG_INITRAMFS_SOURCE="" -CONFIG_RD_GZIP=y -CONFIG_RD_BZIP2=y -CONFIG_RD_LZMA=y -CONFIG_CC_OPTIMIZE_FOR_SIZE=y -CONFIG_SYSCTL=y -CONFIG_ANON_INODES=y -# CONFIG_EMBEDDED is not set -CONFIG_UID16=y -CONFIG_SYSCTL_SYSCALL=y -CONFIG_KALLSYMS=y -CONFIG_KALLSYMS_ALL=y CONFIG_KALLSYMS_EXTRA_PASS=y -# CONFIG_STRIP_ASM_SYMS is not set -CONFIG_HOTPLUG=y -CONFIG_PRINTK=y -CONFIG_BUG=y -CONFIG_ELF_CORE=y -CONFIG_PCSPKR_PLATFORM=y -CONFIG_BASE_FULL=y -CONFIG_FUTEX=y -CONFIG_EPOLL=y -CONFIG_SIGNALFD=y -CONFIG_TIMERFD=y -CONFIG_EVENTFD=y -CONFIG_SHMEM=y -CONFIG_AIO=y -CONFIG_VM_EVENT_COUNTERS=y -CONFIG_PCI_QUIRKS=y -CONFIG_SLUB_DEBUG=y # CONFIG_COMPAT_BRK is not set -# CONFIG_SLAB is not set -CONFIG_SLUB=y -# CONFIG_SLOB is not set CONFIG_PROFILING=y -CONFIG_TRACEPOINTS=y -CONFIG_MARKERS=y -# CONFIG_OPROFILE is not set -CONFIG_HAVE_OPROFILE=y CONFIG_KPROBES=y -CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y -CONFIG_KRETPROBES=y -CONFIG_HAVE_IOREMAP_PROT=y -CONFIG_HAVE_KPROBES=y -CONFIG_HAVE_KRETPROBES=y -CONFIG_HAVE_ARCH_TRACEHOOK=y -CONFIG_HAVE_DMA_API_DEBUG=y -# CONFIG_SLOW_WORK is not set -CONFIG_HAVE_GENERIC_DMA_COHERENT=y -CONFIG_SLABINFO=y -CONFIG_RT_MUTEXES=y -CONFIG_BASE_SMALL=0 CONFIG_MODULES=y -# CONFIG_MODULE_FORCE_LOAD is not set CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y -# CONFIG_MODVERSIONS is not set -# CONFIG_MODULE_SRCVERSION_ALL is not set -CONFIG_STOP_MACHINE=y -CONFIG_BLOCK=y -# CONFIG_LBD is not set -CONFIG_BLK_DEV_BSG=y -# CONFIG_BLK_DEV_INTEGRITY is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_DEFAULT_AS is not set -# CONFIG_DEFAULT_DEADLINE is not set -CONFIG_DEFAULT_CFQ=y -# CONFIG_DEFAULT_NOOP is not set -CONFIG_DEFAULT_IOSCHED="cfq" -CONFIG_FREEZER=y - -# -# Processor type and features -# -CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y -CONFIG_GENERIC_CLOCKEVENTS_BUILD=y CONFIG_SMP=y CONFIG_SPARSE_IRQ=y -CONFIG_X86_MPPARSE=y -# CONFIG_X86_BIGSMP is not set -CONFIG_X86_EXTENDED_PLATFORM=y -# CONFIG_X86_ELAN is not set -# CONFIG_X86_RDC321X is not set -# CONFIG_X86_32_NON_STANDARD is not set -CONFIG_SCHED_OMIT_FRAME_POINTER=y -# CONFIG_PARAVIRT_GUEST is not set -# CONFIG_MEMTEST is not set -# CONFIG_M386 is not set -# CONFIG_M486 is not set -# CONFIG_M586 is not set -# CONFIG_M586TSC is not set -# CONFIG_M586MMX is not set -CONFIG_M686=y -# CONFIG_MPENTIUMII is not set -# CONFIG_MPENTIUMIII is not set -# CONFIG_MPENTIUMM is not set -# CONFIG_MPENTIUM4 is not set -# CONFIG_MK6 is not set -# CONFIG_MK7 is not set -# CONFIG_MK8 is not set -# CONFIG_MCRUSOE is not set -# CONFIG_MEFFICEON is not set -# CONFIG_MWINCHIPC6 is not set -# CONFIG_MWINCHIP3D is not set -# CONFIG_MGEODEGX1 is not set -# CONFIG_MGEODE_LX is not set -# CONFIG_MCYRIXIII is not set -# CONFIG_MVIAC3_2 is not set -# CONFIG_MVIAC7 is not set -# CONFIG_MPSC is not set -# CONFIG_MCORE2 is not set -# CONFIG_GENERIC_CPU is not set CONFIG_X86_GENERIC=y -CONFIG_X86_CPU=y -CONFIG_X86_L1_CACHE_BYTES=64 -CONFIG_X86_INTERNODE_CACHE_BYTES=64 -CONFIG_X86_CMPXCHG=y -CONFIG_X86_L1_CACHE_SHIFT=5 -CONFIG_X86_XADD=y -# CONFIG_X86_PPRO_FENCE is not set -CONFIG_X86_WP_WORKS_OK=y -CONFIG_X86_INVLPG=y -CONFIG_X86_BSWAP=y -CONFIG_X86_POPAD_OK=y -CONFIG_X86_INTEL_USERCOPY=y -CONFIG_X86_USE_PPRO_CHECKSUM=y -CONFIG_X86_TSC=y -CONFIG_X86_CMOV=y -CONFIG_X86_MINIMUM_CPU_FAMILY=4 -CONFIG_X86_DEBUGCTLMSR=y -CONFIG_CPU_SUP_INTEL=y -CONFIG_CPU_SUP_CYRIX_32=y -CONFIG_CPU_SUP_AMD=y -CONFIG_CPU_SUP_CENTAUR=y -CONFIG_CPU_SUP_TRANSMETA_32=y -CONFIG_CPU_SUP_UMC_32=y -CONFIG_X86_DS=y -CONFIG_X86_PTRACE_BTS=y CONFIG_HPET_TIMER=y -CONFIG_HPET_EMULATE_RTC=y -CONFIG_DMI=y -# CONFIG_IOMMU_HELPER is not set -# CONFIG_IOMMU_API is not set -CONFIG_NR_CPUS=64 CONFIG_SCHED_SMT=y -CONFIG_SCHED_MC=y -# CONFIG_PREEMPT_NONE is not set CONFIG_PREEMPT_VOLUNTARY=y -# CONFIG_PREEMPT is not set -CONFIG_X86_LOCAL_APIC=y -CONFIG_X86_IO_APIC=y CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y CONFIG_X86_MCE=y -CONFIG_X86_MCE_NONFATAL=y -CONFIG_X86_MCE_P4THERMAL=y -CONFIG_VM86=y -# CONFIG_TOSHIBA is not set -# CONFIG_I8K is not set CONFIG_X86_REBOOTFIXUPS=y CONFIG_MICROCODE=y -CONFIG_MICROCODE_INTEL=y CONFIG_MICROCODE_AMD=y -CONFIG_MICROCODE_OLD_INTERFACE=y CONFIG_X86_MSR=y CONFIG_X86_CPUID=y -# CONFIG_X86_CPU_DEBUG is not set -# CONFIG_NOHIGHMEM is not set -CONFIG_HIGHMEM4G=y -# CONFIG_HIGHMEM64G is not set -CONFIG_PAGE_OFFSET=0xC0000000 -CONFIG_HIGHMEM=y -# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set -CONFIG_ARCH_FLATMEM_ENABLE=y -CONFIG_ARCH_SPARSEMEM_ENABLE=y -CONFIG_ARCH_SELECT_MEMORY_MODEL=y -CONFIG_SELECT_MEMORY_MODEL=y -CONFIG_FLATMEM_MANUAL=y -# CONFIG_DISCONTIGMEM_MANUAL is not set -# CONFIG_SPARSEMEM_MANUAL is not set -CONFIG_FLATMEM=y -CONFIG_FLAT_NODE_MEM_MAP=y -CONFIG_SPARSEMEM_STATIC=y -CONFIG_PAGEFLAGS_EXTENDED=y -CONFIG_SPLIT_PTLOCK_CPUS=4 -# CONFIG_PHYS_ADDR_T_64BIT is not set -CONFIG_ZONE_DMA_FLAG=1 -CONFIG_BOUNCE=y -CONFIG_VIRT_TO_BUS=y -CONFIG_UNEVICTABLE_LRU=y -CONFIG_HAVE_MLOCK=y -CONFIG_HAVE_MLOCKED_PAGE_BIT=y CONFIG_HIGHPTE=y CONFIG_X86_CHECK_BIOS_CORRUPTION=y -CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y -CONFIG_X86_RESERVE_LOW_64K=y -# CONFIG_MATH_EMULATION is not set -CONFIG_MTRR=y # CONFIG_MTRR_SANITIZER is not set -CONFIG_X86_PAT=y CONFIG_EFI=y -CONFIG_SECCOMP=y -# CONFIG_CC_STACKPROTECTOR is not set -# CONFIG_HZ_100 is not set -# CONFIG_HZ_250 is not set -# CONFIG_HZ_300 is not set CONFIG_HZ_1000=y -CONFIG_HZ=1000 -CONFIG_SCHED_HRTICK=y CONFIG_KEXEC=y CONFIG_CRASH_DUMP=y -# CONFIG_KEXEC_JUMP is not set -CONFIG_PHYSICAL_START=0x1000000 -CONFIG_RELOCATABLE=y -CONFIG_X86_NEED_RELOCS=y -CONFIG_PHYSICAL_ALIGN=0x1000000 -CONFIG_HOTPLUG_CPU=y # CONFIG_COMPAT_VDSO is not set -# CONFIG_CMDLINE_BOOL is not set -CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y - -# -# Power management and ACPI options -# CONFIG_PM=y CONFIG_PM_DEBUG=y -# CONFIG_PM_VERBOSE is not set -CONFIG_CAN_PM_TRACE=y -CONFIG_PM_TRACE=y CONFIG_PM_TRACE_RTC=y -CONFIG_PM_SLEEP_SMP=y -CONFIG_PM_SLEEP=y -CONFIG_SUSPEND=y -# CONFIG_PM_TEST_SUSPEND is not set -CONFIG_SUSPEND_FREEZER=y CONFIG_HIBERNATION=y -CONFIG_PM_STD_PARTITION="" -CONFIG_ACPI=y -CONFIG_ACPI_SLEEP=y CONFIG_ACPI_PROCFS=y -CONFIG_ACPI_PROCFS_POWER=y -CONFIG_ACPI_SYSFS_POWER=y -CONFIG_ACPI_PROC_EVENT=y -CONFIG_ACPI_AC=y -CONFIG_ACPI_BATTERY=y -CONFIG_ACPI_BUTTON=y -CONFIG_ACPI_FAN=y CONFIG_ACPI_DOCK=y -CONFIG_ACPI_PROCESSOR=y -CONFIG_ACPI_HOTPLUG_CPU=y -CONFIG_ACPI_THERMAL=y -# CONFIG_ACPI_CUSTOM_DSDT is not set -CONFIG_ACPI_BLACKLIST_YEAR=0 -# CONFIG_ACPI_DEBUG is not set -# CONFIG_ACPI_PCI_SLOT is not set -CONFIG_X86_PM_TIMER=y -CONFIG_ACPI_CONTAINER=y -# CONFIG_ACPI_SBS is not set -# CONFIG_APM is not set - -# -# CPU Frequency scaling -# CONFIG_CPU_FREQ=y -CONFIG_CPU_FREQ_TABLE=y CONFIG_CPU_FREQ_DEBUG=y # CONFIG_CPU_FREQ_STAT is not set -# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set -# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y -# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set -# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set CONFIG_CPU_FREQ_GOV_PERFORMANCE=y -# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set -CONFIG_CPU_FREQ_GOV_USERSPACE=y CONFIG_CPU_FREQ_GOV_ONDEMAND=y -# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set - -# -# CPUFreq processor drivers -# CONFIG_X86_ACPI_CPUFREQ=y -# CONFIG_X86_POWERNOW_K6 is not set -# CONFIG_X86_POWERNOW_K7 is not set -# CONFIG_X86_POWERNOW_K8 is not set -# CONFIG_X86_GX_SUSPMOD is not set -# CONFIG_X86_SPEEDSTEP_CENTRINO is not set -# CONFIG_X86_SPEEDSTEP_ICH is not set -# CONFIG_X86_SPEEDSTEP_SMI is not set -# CONFIG_X86_P4_CLOCKMOD is not set -# CONFIG_X86_CPUFREQ_NFORCE2 is not set -# CONFIG_X86_LONGRUN is not set -# CONFIG_X86_LONGHAUL is not set -# CONFIG_X86_E_POWERSAVER is not set - -# -# shared options -# -# CONFIG_X86_SPEEDSTEP_LIB is not set -CONFIG_CPU_IDLE=y -CONFIG_CPU_IDLE_GOV_LADDER=y -CONFIG_CPU_IDLE_GOV_MENU=y - -# -# Bus options (PCI etc.) -# -CONFIG_PCI=y -# CONFIG_PCI_GOBIOS is not set -# CONFIG_PCI_GOMMCONFIG is not set -# CONFIG_PCI_GODIRECT is not set -# CONFIG_PCI_GOOLPC is not set -CONFIG_PCI_GOANY=y -CONFIG_PCI_BIOS=y -CONFIG_PCI_DIRECT=y -CONFIG_PCI_MMCONFIG=y -CONFIG_PCI_DOMAINS=y -# CONFIG_DMAR is not set CONFIG_PCIEPORTBUS=y -# CONFIG_HOTPLUG_PCI_PCIE is not set -CONFIG_PCIEAER=y -# CONFIG_PCIEASPM is not set -CONFIG_ARCH_SUPPORTS_MSI=y CONFIG_PCI_MSI=y -# CONFIG_PCI_LEGACY is not set -# CONFIG_PCI_DEBUG is not set -# CONFIG_PCI_STUB is not set -CONFIG_HT_IRQ=y -# CONFIG_PCI_IOV is not set -CONFIG_ISA_DMA_API=y -# CONFIG_ISA is not set -# CONFIG_MCA is not set -# CONFIG_SCx200 is not set -# CONFIG_OLPC is not set -CONFIG_K8_NB=y CONFIG_PCCARD=y -# CONFIG_PCMCIA_DEBUG is not set -CONFIG_PCMCIA=y -CONFIG_PCMCIA_LOAD_CIS=y -CONFIG_PCMCIA_IOCTL=y -CONFIG_CARDBUS=y - -# -# PC-card bridges -# CONFIG_YENTA=y -CONFIG_YENTA_O2=y -CONFIG_YENTA_RICOH=y -CONFIG_YENTA_TI=y -CONFIG_YENTA_ENE_TUNE=y -CONFIG_YENTA_TOSHIBA=y -# CONFIG_PD6729 is not set -# CONFIG_I82092 is not set -CONFIG_PCCARD_NONSTATIC=y CONFIG_HOTPLUG_PCI=y -# CONFIG_HOTPLUG_PCI_FAKE is not set -# CONFIG_HOTPLUG_PCI_IBM is not set -# CONFIG_HOTPLUG_PCI_ACPI is not set -# CONFIG_HOTPLUG_PCI_CPCI is not set -# CONFIG_HOTPLUG_PCI_SHPC is not set - -# -# Executable file formats / Emulations -# -CONFIG_BINFMT_ELF=y CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y -CONFIG_HAVE_AOUT=y -# CONFIG_BINFMT_AOUT is not set CONFIG_BINFMT_MISC=y -CONFIG_HAVE_ATOMIC_IOMAP=y CONFIG_NET=y - -# -# Networking options -# CONFIG_PACKET=y -CONFIG_PACKET_MMAP=y CONFIG_UNIX=y -CONFIG_XFRM=y CONFIG_XFRM_USER=y -# CONFIG_XFRM_SUB_POLICY is not set -# CONFIG_XFRM_MIGRATE is not set -# CONFIG_XFRM_STATISTICS is not set -# CONFIG_NET_KEY is not set CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_ADVANCED_ROUTER=y -CONFIG_ASK_IP_FIB_HASH=y -# CONFIG_IP_FIB_TRIE is not set -CONFIG_IP_FIB_HASH=y CONFIG_IP_MULTIPLE_TABLES=y CONFIG_IP_ROUTE_MULTIPATH=y CONFIG_IP_ROUTE_VERBOSE=y @@ -526,118 +86,46 @@ CONFIG_IP_PNP=y CONFIG_IP_PNP_DHCP=y CONFIG_IP_PNP_BOOTP=y CONFIG_IP_PNP_RARP=y -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set CONFIG_IP_MROUTE=y CONFIG_IP_PIMSM_V1=y CONFIG_IP_PIMSM_V2=y -# CONFIG_ARPD is not set CONFIG_SYN_COOKIES=y -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_XFRM_TUNNEL is not set -CONFIG_INET_TUNNEL=y # CONFIG_INET_XFRM_MODE_TRANSPORT is not set # CONFIG_INET_XFRM_MODE_TUNNEL is not set # CONFIG_INET_XFRM_MODE_BEET is not set -CONFIG_INET_LRO=y # CONFIG_INET_DIAG is not set CONFIG_TCP_CONG_ADVANCED=y # CONFIG_TCP_CONG_BIC is not set -CONFIG_TCP_CONG_CUBIC=y # CONFIG_TCP_CONG_WESTWOOD is not set # CONFIG_TCP_CONG_HTCP is not set -# CONFIG_TCP_CONG_HSTCP is not set -# CONFIG_TCP_CONG_HYBLA is not set -# CONFIG_TCP_CONG_VEGAS is not set -# CONFIG_TCP_CONG_SCALABLE is not set -# CONFIG_TCP_CONG_LP is not set -# CONFIG_TCP_CONG_VENO is not set -# CONFIG_TCP_CONG_YEAH is not set -# CONFIG_TCP_CONG_ILLINOIS is not set -# CONFIG_DEFAULT_BIC is not set -CONFIG_DEFAULT_CUBIC=y -# CONFIG_DEFAULT_HTCP is not set -# CONFIG_DEFAULT_VEGAS is not set -# CONFIG_DEFAULT_WESTWOOD is not set -# CONFIG_DEFAULT_RENO is not set -CONFIG_DEFAULT_TCP_CONG="cubic" CONFIG_TCP_MD5SIG=y CONFIG_IPV6=y -# CONFIG_IPV6_PRIVACY is not set -# CONFIG_IPV6_ROUTER_PREF is not set -# CONFIG_IPV6_OPTIMISTIC_DAD is not set CONFIG_INET6_AH=y CONFIG_INET6_ESP=y -# CONFIG_INET6_IPCOMP is not set -# CONFIG_IPV6_MIP6 is not set -# CONFIG_INET6_XFRM_TUNNEL is not set -# CONFIG_INET6_TUNNEL is not set -CONFIG_INET6_XFRM_MODE_TRANSPORT=y -CONFIG_INET6_XFRM_MODE_TUNNEL=y -CONFIG_INET6_XFRM_MODE_BEET=y -# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set -CONFIG_IPV6_SIT=y -CONFIG_IPV6_NDISC_NODETYPE=y -# CONFIG_IPV6_TUNNEL is not set -# CONFIG_IPV6_MULTIPLE_TABLES is not set -# CONFIG_IPV6_MROUTE is not set CONFIG_NETLABEL=y -CONFIG_NETWORK_SECMARK=y CONFIG_NETFILTER=y -# CONFIG_NETFILTER_DEBUG is not set # CONFIG_NETFILTER_ADVANCED is not set - -# -# Core Netfilter Configuration -# -CONFIG_NETFILTER_NETLINK=y -CONFIG_NETFILTER_NETLINK_LOG=y CONFIG_NF_CONNTRACK=y -CONFIG_NF_CONNTRACK_SECMARK=y CONFIG_NF_CONNTRACK_FTP=y CONFIG_NF_CONNTRACK_IRC=y CONFIG_NF_CONNTRACK_SIP=y CONFIG_NF_CT_NETLINK=y -CONFIG_NETFILTER_XTABLES=y CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y -CONFIG_NETFILTER_XT_TARGET_MARK=y CONFIG_NETFILTER_XT_TARGET_NFLOG=y CONFIG_NETFILTER_XT_TARGET_SECMARK=y CONFIG_NETFILTER_XT_TARGET_TCPMSS=y CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y -CONFIG_NETFILTER_XT_MATCH_MARK=y CONFIG_NETFILTER_XT_MATCH_POLICY=y CONFIG_NETFILTER_XT_MATCH_STATE=y -# CONFIG_IP_VS is not set - -# -# IP: Netfilter Configuration -# -CONFIG_NF_DEFRAG_IPV4=y CONFIG_NF_CONNTRACK_IPV4=y -CONFIG_NF_CONNTRACK_PROC_COMPAT=y CONFIG_IP_NF_IPTABLES=y CONFIG_IP_NF_FILTER=y CONFIG_IP_NF_TARGET_REJECT=y CONFIG_IP_NF_TARGET_LOG=y CONFIG_IP_NF_TARGET_ULOG=y CONFIG_NF_NAT=y -CONFIG_NF_NAT_NEEDED=y CONFIG_IP_NF_TARGET_MASQUERADE=y -CONFIG_NF_NAT_FTP=y -CONFIG_NF_NAT_IRC=y -# CONFIG_NF_NAT_TFTP is not set -# CONFIG_NF_NAT_AMANDA is not set -# CONFIG_NF_NAT_PPTP is not set -# CONFIG_NF_NAT_H323 is not set -CONFIG_NF_NAT_SIP=y CONFIG_IP_NF_MANGLE=y - -# -# IPv6: Netfilter Configuration -# CONFIG_NF_CONNTRACK_IPV6=y CONFIG_IP6_NF_IPTABLES=y CONFIG_IP6_NF_MATCH_IPV6HEADER=y @@ -645,1228 +133,115 @@ CONFIG_IP6_NF_TARGET_LOG=y CONFIG_IP6_NF_FILTER=y CONFIG_IP6_NF_TARGET_REJECT=y CONFIG_IP6_NF_MANGLE=y -# CONFIG_IP_DCCP is not set -# CONFIG_IP_SCTP is not set -# CONFIG_TIPC is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_NET_DSA is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -CONFIG_LLC=y -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set -# CONFIG_PHONET is not set CONFIG_NET_SCHED=y - -# -# Queueing/Scheduling -# -# CONFIG_NET_SCH_CBQ is not set -# CONFIG_NET_SCH_HTB is not set -# CONFIG_NET_SCH_HFSC is not set -# CONFIG_NET_SCH_PRIO is not set -# CONFIG_NET_SCH_MULTIQ is not set -# CONFIG_NET_SCH_RED is not set -# CONFIG_NET_SCH_SFQ is not set -# CONFIG_NET_SCH_TEQL is not set -# CONFIG_NET_SCH_TBF is not set -# CONFIG_NET_SCH_GRED is not set -# CONFIG_NET_SCH_DSMARK is not set -# CONFIG_NET_SCH_NETEM is not set -# CONFIG_NET_SCH_DRR is not set -# CONFIG_NET_SCH_INGRESS is not set - -# -# Classification -# -CONFIG_NET_CLS=y -# CONFIG_NET_CLS_BASIC is not set -# CONFIG_NET_CLS_TCINDEX is not set -# CONFIG_NET_CLS_ROUTE4 is not set -# CONFIG_NET_CLS_FW is not set -# CONFIG_NET_CLS_U32 is not set -# CONFIG_NET_CLS_RSVP is not set -# CONFIG_NET_CLS_RSVP6 is not set -# CONFIG_NET_CLS_FLOW is not set -# CONFIG_NET_CLS_CGROUP is not set CONFIG_NET_EMATCH=y -CONFIG_NET_EMATCH_STACK=32 -# CONFIG_NET_EMATCH_CMP is not set -# CONFIG_NET_EMATCH_NBYTE is not set -# CONFIG_NET_EMATCH_U32 is not set -# CONFIG_NET_EMATCH_META is not set -# CONFIG_NET_EMATCH_TEXT is not set CONFIG_NET_CLS_ACT=y -# CONFIG_NET_ACT_POLICE is not set -# CONFIG_NET_ACT_GACT is not set -# CONFIG_NET_ACT_MIRRED is not set -# CONFIG_NET_ACT_IPT is not set -# CONFIG_NET_ACT_NAT is not set -# CONFIG_NET_ACT_PEDIT is not set -# CONFIG_NET_ACT_SIMP is not set -# CONFIG_NET_ACT_SKBEDIT is not set -CONFIG_NET_SCH_FIFO=y -# CONFIG_DCB is not set - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -# CONFIG_NET_TCPPROBE is not set -# CONFIG_NET_DROP_MONITOR is not set CONFIG_HAMRADIO=y - -# -# Packet Radio protocols -# -# CONFIG_AX25 is not set -# CONFIG_CAN is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set -# CONFIG_AF_RXRPC is not set -CONFIG_FIB_RULES=y -CONFIG_WIRELESS=y CONFIG_CFG80211=y -# CONFIG_CFG80211_REG_DEBUG is not set -CONFIG_WIRELESS_OLD_REGULATORY=y -CONFIG_WIRELESS_EXT=y -CONFIG_WIRELESS_EXT_SYSFS=y -# CONFIG_LIB80211 is not set CONFIG_MAC80211=y - -# -# Rate control algorithm selection -# -CONFIG_MAC80211_RC_MINSTREL=y -# CONFIG_MAC80211_RC_DEFAULT_PID is not set -CONFIG_MAC80211_RC_DEFAULT_MINSTREL=y -CONFIG_MAC80211_RC_DEFAULT="minstrel" -# CONFIG_MAC80211_MESH is not set CONFIG_MAC80211_LEDS=y -# CONFIG_MAC80211_DEBUGFS is not set -# CONFIG_MAC80211_DEBUG_MENU is not set -# CONFIG_WIMAX is not set CONFIG_RFKILL=y -# CONFIG_RFKILL_INPUT is not set -CONFIG_RFKILL_LEDS=y -# CONFIG_NET_9P is not set - -# -# Device Drivers -# - -# -# Generic Driver Options -# CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" -CONFIG_STANDALONE=y -CONFIG_PREVENT_FIRMWARE_BUILD=y -CONFIG_FW_LOADER=y -CONFIG_FIRMWARE_IN_KERNEL=y -CONFIG_EXTRA_FIRMWARE="" -# CONFIG_DEBUG_DRIVER is not set CONFIG_DEBUG_DEVRES=y -# CONFIG_SYS_HYPERVISOR is not set CONFIG_CONNECTOR=y -CONFIG_PROC_EVENTS=y -# CONFIG_MTD is not set -# CONFIG_PARPORT is not set -CONFIG_PNP=y -CONFIG_PNP_DEBUG_MESSAGES=y - -# -# Protocols -# -CONFIG_PNPACPI=y -CONFIG_BLK_DEV=y -# CONFIG_BLK_DEV_FD is not set -# CONFIG_BLK_CPQ_DA is not set -# CONFIG_BLK_CPQ_CISS_DA is not set -# CONFIG_BLK_DEV_DAC960 is not set -# CONFIG_BLK_DEV_UMEM is not set -# CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y -# CONFIG_BLK_DEV_CRYPTOLOOP is not set -# CONFIG_BLK_DEV_NBD is not set -# CONFIG_BLK_DEV_SX8 is not set -# CONFIG_BLK_DEV_UB is not set CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=16384 -# CONFIG_BLK_DEV_XIP is not set -# CONFIG_CDROM_PKTCDVD is not set -# CONFIG_ATA_OVER_ETH is not set -# CONFIG_BLK_DEV_HD is not set -CONFIG_MISC_DEVICES=y -# CONFIG_IBM_ASM is not set -# CONFIG_PHANTOM is not set -# CONFIG_SGI_IOC4 is not set -# CONFIG_TIFM_CORE is not set -# CONFIG_ICS932S401 is not set -# CONFIG_ENCLOSURE_SERVICES is not set -# CONFIG_HP_ILO is not set -# CONFIG_ISL29003 is not set -# CONFIG_C2PORT is not set - -# -# EEPROM support -# -# CONFIG_EEPROM_AT24 is not set -# CONFIG_EEPROM_LEGACY is not set -# CONFIG_EEPROM_93CX6 is not set -CONFIG_HAVE_IDE=y -# CONFIG_IDE is not set - -# -# SCSI device support -# -# CONFIG_RAID_ATTRS is not set -CONFIG_SCSI=y -CONFIG_SCSI_DMA=y -# CONFIG_SCSI_TGT is not set -# CONFIG_SCSI_NETLINK is not set -CONFIG_SCSI_PROC_FS=y - -# -# SCSI support type (disk, tape, CD-ROM) -# CONFIG_BLK_DEV_SD=y -# CONFIG_CHR_DEV_ST is not set -# CONFIG_CHR_DEV_OSST is not set CONFIG_BLK_DEV_SR=y CONFIG_BLK_DEV_SR_VENDOR=y CONFIG_CHR_DEV_SG=y -# CONFIG_CHR_DEV_SCH is not set - -# -# Some SCSI devices (e.g. CD jukebox) support multiple LUNs -# -# CONFIG_SCSI_MULTI_LUN is not set CONFIG_SCSI_CONSTANTS=y -# CONFIG_SCSI_LOGGING is not set -# CONFIG_SCSI_SCAN_ASYNC is not set -CONFIG_SCSI_WAIT_SCAN=m - -# -# SCSI Transports -# CONFIG_SCSI_SPI_ATTRS=y -# CONFIG_SCSI_FC_ATTRS is not set -# CONFIG_SCSI_ISCSI_ATTRS is not set -# CONFIG_SCSI_SAS_ATTRS is not set -# CONFIG_SCSI_SAS_LIBSAS is not set -# CONFIG_SCSI_SRP_ATTRS is not set # CONFIG_SCSI_LOWLEVEL is not set -# CONFIG_SCSI_LOWLEVEL_PCMCIA is not set -# CONFIG_SCSI_DH is not set -# CONFIG_SCSI_OSD_INITIATOR is not set CONFIG_ATA=y -# CONFIG_ATA_NONSTANDARD is not set -CONFIG_ATA_ACPI=y -CONFIG_SATA_PMP=y CONFIG_SATA_AHCI=y -# CONFIG_SATA_SIL24 is not set -CONFIG_ATA_SFF=y -# CONFIG_SATA_SVW is not set CONFIG_ATA_PIIX=y -# CONFIG_SATA_MV is not set -# CONFIG_SATA_NV is not set -# CONFIG_PDC_ADMA is not set -# CONFIG_SATA_QSTOR is not set -# CONFIG_SATA_PROMISE is not set -# CONFIG_SATA_SX4 is not set -# CONFIG_SATA_SIL is not set -# CONFIG_SATA_SIS is not set -# CONFIG_SATA_ULI is not set -# CONFIG_SATA_VIA is not set -# CONFIG_SATA_VITESSE is not set -# CONFIG_SATA_INIC162X is not set -# CONFIG_PATA_ACPI is not set -# CONFIG_PATA_ALI is not set CONFIG_PATA_AMD=y -# CONFIG_PATA_ARTOP is not set -# CONFIG_PATA_ATIIXP is not set -# CONFIG_PATA_CMD640_PCI is not set -# CONFIG_PATA_CMD64X is not set -# CONFIG_PATA_CS5520 is not set -# CONFIG_PATA_CS5530 is not set -# CONFIG_PATA_CS5535 is not set -# CONFIG_PATA_CS5536 is not set -# CONFIG_PATA_CYPRESS is not set -# CONFIG_PATA_EFAR is not set -CONFIG_ATA_GENERIC=y -# CONFIG_PATA_HPT366 is not set -# CONFIG_PATA_HPT37X is not set -# CONFIG_PATA_HPT3X2N is not set -# CONFIG_PATA_HPT3X3 is not set -# CONFIG_PATA_IT821X is not set -# CONFIG_PATA_IT8213 is not set -# CONFIG_PATA_JMICRON is not set -# CONFIG_PATA_TRIFLEX is not set -# CONFIG_PATA_MARVELL is not set -CONFIG_PATA_MPIIX=y CONFIG_PATA_OLDPIIX=y -# CONFIG_PATA_NETCELL is not set -# CONFIG_PATA_NINJA32 is not set -# CONFIG_PATA_NS87410 is not set -# CONFIG_PATA_NS87415 is not set -# CONFIG_PATA_OPTI is not set -# CONFIG_PATA_OPTIDMA is not set -# CONFIG_PATA_PCMCIA is not set -# CONFIG_PATA_PDC_OLD is not set -# CONFIG_PATA_RADISYS is not set -# CONFIG_PATA_RZ1000 is not set -# CONFIG_PATA_SC1200 is not set -# CONFIG_PATA_SERVERWORKS is not set -# CONFIG_PATA_PDC2027X is not set -# CONFIG_PATA_SIL680 is not set -# CONFIG_PATA_SIS is not set -# CONFIG_PATA_VIA is not set -# CONFIG_PATA_WINBOND is not set CONFIG_PATA_SCH=y +CONFIG_PATA_MPIIX=y +CONFIG_ATA_GENERIC=y CONFIG_MD=y CONFIG_BLK_DEV_MD=y -CONFIG_MD_AUTODETECT=y -# CONFIG_MD_LINEAR is not set -# CONFIG_MD_RAID0 is not set -# CONFIG_MD_RAID1 is not set -# CONFIG_MD_RAID10 is not set -# CONFIG_MD_RAID456 is not set -# CONFIG_MD_MULTIPATH is not set -# CONFIG_MD_FAULTY is not set CONFIG_BLK_DEV_DM=y -# CONFIG_DM_DEBUG is not set -# CONFIG_DM_CRYPT is not set -# CONFIG_DM_SNAPSHOT is not set CONFIG_DM_MIRROR=y CONFIG_DM_ZERO=y -# CONFIG_DM_MULTIPATH is not set -# CONFIG_DM_DELAY is not set -# CONFIG_DM_UEVENT is not set -# CONFIG_FUSION is not set - -# -# IEEE 1394 (FireWire) support -# - -# -# Enable only one of the two stacks, unless you know what you are doing -# -# CONFIG_FIREWIRE is not set -# CONFIG_IEEE1394 is not set -# CONFIG_I2O is not set CONFIG_MACINTOSH_DRIVERS=y CONFIG_MAC_EMUMOUSEBTN=y CONFIG_NETDEVICES=y -CONFIG_COMPAT_NET_DEV_OPS=y -# CONFIG_IFB is not set -# CONFIG_DUMMY is not set -# CONFIG_BONDING is not set -# CONFIG_MACVLAN is not set -# CONFIG_EQUALIZER is not set -# CONFIG_TUN is not set -# CONFIG_VETH is not set -# CONFIG_NET_SB1000 is not set -# CONFIG_ARCNET is not set -CONFIG_PHYLIB=y - -# -# MII PHY device drivers -# -# CONFIG_MARVELL_PHY is not set -# CONFIG_DAVICOM_PHY is not set -# CONFIG_QSEMI_PHY is not set -# CONFIG_LXT_PHY is not set -# CONFIG_CICADA_PHY is not set -# CONFIG_VITESSE_PHY is not set -# CONFIG_SMSC_PHY is not set -# CONFIG_BROADCOM_PHY is not set -# CONFIG_ICPLUS_PHY is not set -# CONFIG_REALTEK_PHY is not set -# CONFIG_NATIONAL_PHY is not set -# CONFIG_STE10XP is not set -# CONFIG_LSI_ET1011C_PHY is not set -# CONFIG_FIXED_PHY is not set -# CONFIG_MDIO_BITBANG is not set CONFIG_NET_ETHERNET=y -CONFIG_MII=y -# CONFIG_HAPPYMEAL is not set -# CONFIG_SUNGEM is not set -# CONFIG_CASSINI is not set CONFIG_NET_VENDOR_3COM=y -# CONFIG_VORTEX is not set -# CONFIG_TYPHOON is not set -# CONFIG_ETHOC is not set -# CONFIG_DNET is not set CONFIG_NET_TULIP=y -# CONFIG_DE2104X is not set -# CONFIG_TULIP is not set -# CONFIG_DE4X5 is not set -# CONFIG_WINBOND_840 is not set -# CONFIG_DM9102 is not set -# CONFIG_ULI526X is not set -# CONFIG_PCMCIA_XIRCOM is not set -# CONFIG_HP100 is not set -# CONFIG_IBM_NEW_EMAC_ZMII is not set -# CONFIG_IBM_NEW_EMAC_RGMII is not set -# CONFIG_IBM_NEW_EMAC_TAH is not set -# CONFIG_IBM_NEW_EMAC_EMAC4 is not set -# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set -# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set -# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set CONFIG_NET_PCI=y -# CONFIG_PCNET32 is not set -# CONFIG_AMD8111_ETH is not set -# CONFIG_ADAPTEC_STARFIRE is not set -# CONFIG_B44 is not set CONFIG_FORCEDETH=y -# CONFIG_FORCEDETH_NAPI is not set CONFIG_E100=y -# CONFIG_FEALNX is not set -# CONFIG_NATSEMI is not set CONFIG_NE2K_PCI=y -# CONFIG_8139CP is not set CONFIG_8139TOO=y # CONFIG_8139TOO_PIO is not set -# CONFIG_8139TOO_TUNE_TWISTER is not set -# CONFIG_8139TOO_8129 is not set -# CONFIG_8139_OLD_RX_RESET is not set -# CONFIG_R6040 is not set -# CONFIG_SIS900 is not set -# CONFIG_EPIC100 is not set -# CONFIG_SMSC9420 is not set -# CONFIG_SUNDANCE is not set -# CONFIG_TLAN is not set -# CONFIG_VIA_RHINE is not set -# CONFIG_SC92031 is not set -# CONFIG_ATL2 is not set -CONFIG_NETDEV_1000=y -# CONFIG_ACENIC is not set -# CONFIG_DL2K is not set CONFIG_E1000=y CONFIG_E1000E=y -# CONFIG_IP1000 is not set -# CONFIG_IGB is not set -# CONFIG_IGBVF is not set -# CONFIG_NS83820 is not set -# CONFIG_HAMACHI is not set -# CONFIG_YELLOWFIN is not set CONFIG_R8169=y -# CONFIG_SIS190 is not set -# CONFIG_SKGE is not set CONFIG_SKY2=y -# CONFIG_SKY2_DEBUG is not set -# CONFIG_VIA_VELOCITY is not set CONFIG_TIGON3=y CONFIG_BNX2=y -# CONFIG_QLA3XXX is not set -# CONFIG_ATL1 is not set -# CONFIG_ATL1E is not set -# CONFIG_ATL1C is not set -# CONFIG_JME is not set -CONFIG_NETDEV_10000=y -# CONFIG_CHELSIO_T1 is not set -CONFIG_CHELSIO_T3_DEPENDS=y -# CONFIG_CHELSIO_T3 is not set -# CONFIG_ENIC is not set -# CONFIG_IXGBE is not set -# CONFIG_IXGB is not set -# CONFIG_S2IO is not set -# CONFIG_VXGE is not set -# CONFIG_MYRI10GE is not set -# CONFIG_NETXEN_NIC is not set -# CONFIG_NIU is not set -# CONFIG_MLX4_EN is not set -# CONFIG_MLX4_CORE is not set -# CONFIG_TEHUTI is not set -# CONFIG_BNX2X is not set -# CONFIG_QLGE is not set -# CONFIG_SFC is not set -# CONFIG_BE2NET is not set CONFIG_TR=y -# CONFIG_IBMOL is not set -# CONFIG_IBMLS is not set -# CONFIG_3C359 is not set -# CONFIG_TMS380TR is not set - -# -# Wireless LAN -# -# CONFIG_WLAN_PRE80211 is not set -CONFIG_WLAN_80211=y -# CONFIG_PCMCIA_RAYCS is not set -# CONFIG_LIBERTAS is not set -# CONFIG_LIBERTAS_THINFIRM is not set -# CONFIG_AIRO is not set -# CONFIG_ATMEL is not set -# CONFIG_AT76C50X_USB is not set -# CONFIG_AIRO_CS is not set -# CONFIG_PCMCIA_WL3501 is not set -# CONFIG_PRISM54 is not set -# CONFIG_USB_ZD1201 is not set -# CONFIG_USB_NET_RNDIS_WLAN is not set -# CONFIG_RTL8180 is not set -# CONFIG_RTL8187 is not set -# CONFIG_ADM8211 is not set -# CONFIG_MAC80211_HWSIM is not set -# CONFIG_MWL8K is not set -# CONFIG_P54_COMMON is not set -CONFIG_ATH5K=y -# CONFIG_ATH5K_DEBUG is not set -# CONFIG_ATH9K is not set -# CONFIG_AR9170_USB is not set -# CONFIG_IPW2100 is not set -# CONFIG_IPW2200 is not set -# CONFIG_IWLWIFI is not set -# CONFIG_HOSTAP is not set -# CONFIG_B43 is not set -# CONFIG_B43LEGACY is not set -# CONFIG_ZD1211RW is not set -# CONFIG_RT2X00 is not set -# CONFIG_HERMES is not set - -# -# Enable WiMAX (Networking options) to see the WiMAX drivers -# - -# -# USB Network Adapters -# -# CONFIG_USB_CATC is not set -# CONFIG_USB_KAWETH is not set -# CONFIG_USB_PEGASUS is not set -# CONFIG_USB_RTL8150 is not set -# CONFIG_USB_USBNET is not set -# CONFIG_USB_HSO is not set CONFIG_NET_PCMCIA=y -# CONFIG_PCMCIA_3C589 is not set -# CONFIG_PCMCIA_3C574 is not set -# CONFIG_PCMCIA_FMVJ18X is not set -# CONFIG_PCMCIA_PCNET is not set -# CONFIG_PCMCIA_NMCLAN is not set -# CONFIG_PCMCIA_SMC91C92 is not set -# CONFIG_PCMCIA_XIRC2PS is not set -# CONFIG_PCMCIA_AXNET is not set -# CONFIG_PCMCIA_IBMTR is not set -# CONFIG_WAN is not set CONFIG_FDDI=y -# CONFIG_DEFXX is not set -# CONFIG_SKFP is not set -# CONFIG_HIPPI is not set -# CONFIG_PPP is not set -# CONFIG_SLIP is not set -# CONFIG_NET_FC is not set CONFIG_NETCONSOLE=y -# CONFIG_NETCONSOLE_DYNAMIC is not set -CONFIG_NETPOLL=y -# CONFIG_NETPOLL_TRAP is not set -CONFIG_NET_POLL_CONTROLLER=y -# CONFIG_ISDN is not set -# CONFIG_PHONE is not set - -# -# Input device support -# -CONFIG_INPUT=y -CONFIG_INPUT_FF_MEMLESS=y CONFIG_INPUT_POLLDEV=y - -# -# Userland interfaces -# -CONFIG_INPUT_MOUSEDEV=y # CONFIG_INPUT_MOUSEDEV_PSAUX is not set -CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 -CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 -# CONFIG_INPUT_JOYDEV is not set CONFIG_INPUT_EVDEV=y -# CONFIG_INPUT_EVBUG is not set - -# -# Input Device Drivers -# -CONFIG_INPUT_KEYBOARD=y -CONFIG_KEYBOARD_ATKBD=y -# CONFIG_KEYBOARD_SUNKBD is not set -# CONFIG_KEYBOARD_LKKBD is not set -# CONFIG_KEYBOARD_XTKBD is not set -# CONFIG_KEYBOARD_NEWTON is not set -# CONFIG_KEYBOARD_STOWAWAY is not set -CONFIG_INPUT_MOUSE=y -CONFIG_MOUSE_PS2=y -CONFIG_MOUSE_PS2_ALPS=y -CONFIG_MOUSE_PS2_LOGIPS2PP=y -CONFIG_MOUSE_PS2_SYNAPTICS=y -CONFIG_MOUSE_PS2_LIFEBOOK=y -CONFIG_MOUSE_PS2_TRACKPOINT=y -# CONFIG_MOUSE_PS2_ELANTECH is not set -# CONFIG_MOUSE_PS2_TOUCHKIT is not set -# CONFIG_MOUSE_SERIAL is not set -# CONFIG_MOUSE_APPLETOUCH is not set -# CONFIG_MOUSE_BCM5974 is not set -# CONFIG_MOUSE_VSXXXAA is not set CONFIG_INPUT_JOYSTICK=y -# CONFIG_JOYSTICK_ANALOG is not set -# CONFIG_JOYSTICK_A3D is not set -# CONFIG_JOYSTICK_ADI is not set -# CONFIG_JOYSTICK_COBRA is not set -# CONFIG_JOYSTICK_GF2K is not set -# CONFIG_JOYSTICK_GRIP is not set -# CONFIG_JOYSTICK_GRIP_MP is not set -# CONFIG_JOYSTICK_GUILLEMOT is not set -# CONFIG_JOYSTICK_INTERACT is not set -# CONFIG_JOYSTICK_SIDEWINDER is not set -# CONFIG_JOYSTICK_TMDC is not set -# CONFIG_JOYSTICK_IFORCE is not set -# CONFIG_JOYSTICK_WARRIOR is not set -# CONFIG_JOYSTICK_MAGELLAN is not set -# CONFIG_JOYSTICK_SPACEORB is not set -# CONFIG_JOYSTICK_SPACEBALL is not set -# CONFIG_JOYSTICK_STINGER is not set -# CONFIG_JOYSTICK_TWIDJOY is not set -# CONFIG_JOYSTICK_ZHENHUA is not set -# CONFIG_JOYSTICK_JOYDUMP is not set -# CONFIG_JOYSTICK_XPAD is not set CONFIG_INPUT_TABLET=y -# CONFIG_TABLET_USB_ACECAD is not set -# CONFIG_TABLET_USB_AIPTEK is not set -# CONFIG_TABLET_USB_GTCO is not set -# CONFIG_TABLET_USB_KBTAB is not set -# CONFIG_TABLET_USB_WACOM is not set CONFIG_INPUT_TOUCHSCREEN=y -# CONFIG_TOUCHSCREEN_AD7879_I2C is not set -# CONFIG_TOUCHSCREEN_AD7879 is not set -# CONFIG_TOUCHSCREEN_FUJITSU is not set -# CONFIG_TOUCHSCREEN_GUNZE is not set -# CONFIG_TOUCHSCREEN_ELO is not set -# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set -# CONFIG_TOUCHSCREEN_MTOUCH is not set -# CONFIG_TOUCHSCREEN_INEXIO is not set -# CONFIG_TOUCHSCREEN_MK712 is not set -# CONFIG_TOUCHSCREEN_PENMOUNT is not set -# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set -# CONFIG_TOUCHSCREEN_TOUCHWIN is not set -# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set -# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set -# CONFIG_TOUCHSCREEN_TSC2007 is not set CONFIG_INPUT_MISC=y -# CONFIG_INPUT_PCSPKR is not set -# CONFIG_INPUT_APANEL is not set -# CONFIG_INPUT_WISTRON_BTNS is not set -# CONFIG_INPUT_ATLAS_BTNS is not set -# CONFIG_INPUT_ATI_REMOTE is not set -# CONFIG_INPUT_ATI_REMOTE2 is not set -# CONFIG_INPUT_KEYSPAN_REMOTE is not set -# CONFIG_INPUT_POWERMATE is not set -# CONFIG_INPUT_YEALINK is not set -# CONFIG_INPUT_CM109 is not set -# CONFIG_INPUT_UINPUT is not set - -# -# Hardware I/O ports -# -CONFIG_SERIO=y -CONFIG_SERIO_I8042=y -CONFIG_SERIO_SERPORT=y -# CONFIG_SERIO_CT82C710 is not set -# CONFIG_SERIO_PCIPS2 is not set -CONFIG_SERIO_LIBPS2=y -# CONFIG_SERIO_RAW is not set -# CONFIG_GAMEPORT is not set - -# -# Character devices -# -CONFIG_VT=y -CONFIG_CONSOLE_TRANSLATIONS=y -CONFIG_VT_CONSOLE=y -CONFIG_HW_CONSOLE=y CONFIG_VT_HW_CONSOLE_BINDING=y -CONFIG_DEVKMEM=y CONFIG_SERIAL_NONSTANDARD=y -# CONFIG_COMPUTONE is not set -# CONFIG_ROCKETPORT is not set -# CONFIG_CYCLADES is not set -# CONFIG_DIGIEPCA is not set -# CONFIG_MOXA_INTELLIO is not set -# CONFIG_MOXA_SMARTIO is not set -# CONFIG_ISI is not set -# CONFIG_SYNCLINK is not set -# CONFIG_SYNCLINKMP is not set -# CONFIG_SYNCLINK_GT is not set -# CONFIG_N_HDLC is not set -# CONFIG_RISCOM8 is not set -# CONFIG_SPECIALIX is not set -# CONFIG_SX is not set -# CONFIG_RIO is not set -# CONFIG_STALDRV is not set -# CONFIG_NOZOMI is not set - -# -# Serial drivers -# CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y -CONFIG_FIX_EARLYCON_MEM=y -CONFIG_SERIAL_8250_PCI=y -CONFIG_SERIAL_8250_PNP=y -# CONFIG_SERIAL_8250_CS is not set CONFIG_SERIAL_8250_NR_UARTS=32 -CONFIG_SERIAL_8250_RUNTIME_UARTS=4 CONFIG_SERIAL_8250_EXTENDED=y CONFIG_SERIAL_8250_MANY_PORTS=y CONFIG_SERIAL_8250_SHARE_IRQ=y CONFIG_SERIAL_8250_DETECT_IRQ=y CONFIG_SERIAL_8250_RSA=y - -# -# Non-8250 serial port support -# -CONFIG_SERIAL_CORE=y -CONFIG_SERIAL_CORE_CONSOLE=y -# CONFIG_SERIAL_JSM is not set -CONFIG_UNIX98_PTYS=y -# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set # CONFIG_LEGACY_PTYS is not set -# CONFIG_IPMI_HANDLER is not set CONFIG_HW_RANDOM=y -# CONFIG_HW_RANDOM_TIMERIOMEM is not set -CONFIG_HW_RANDOM_INTEL=y -CONFIG_HW_RANDOM_AMD=y -CONFIG_HW_RANDOM_GEODE=y -CONFIG_HW_RANDOM_VIA=y CONFIG_NVRAM=y -# CONFIG_R3964 is not set -# CONFIG_APPLICOM is not set -# CONFIG_SONYPI is not set - -# -# PCMCIA character devices -# -# CONFIG_SYNCLINK_CS is not set -# CONFIG_CARDMAN_4000 is not set -# CONFIG_CARDMAN_4040 is not set -# CONFIG_IPWIRELESS is not set -# CONFIG_MWAVE is not set -# CONFIG_PC8736x_GPIO is not set -# CONFIG_NSC_GPIO is not set -# CONFIG_CS5535_GPIO is not set -# CONFIG_RAW_DRIVER is not set CONFIG_HPET=y # CONFIG_HPET_MMAP is not set -# CONFIG_HANGCHECK_TIMER is not set -# CONFIG_TCG_TPM is not set -# CONFIG_TELCLOCK is not set -CONFIG_DEVPORT=y -CONFIG_I2C=y -CONFIG_I2C_BOARDINFO=y -# CONFIG_I2C_CHARDEV is not set -CONFIG_I2C_HELPER_AUTO=y -CONFIG_I2C_ALGOBIT=y - -# -# I2C Hardware Bus support -# - -# -# PC SMBus host controller drivers -# -# CONFIG_I2C_ALI1535 is not set -# CONFIG_I2C_ALI1563 is not set -# CONFIG_I2C_ALI15X3 is not set -# CONFIG_I2C_AMD756 is not set -# CONFIG_I2C_AMD8111 is not set CONFIG_I2C_I801=y -# CONFIG_I2C_ISCH is not set -# CONFIG_I2C_PIIX4 is not set -# CONFIG_I2C_NFORCE2 is not set -# CONFIG_I2C_SIS5595 is not set -# CONFIG_I2C_SIS630 is not set -# CONFIG_I2C_SIS96X is not set -# CONFIG_I2C_VIA is not set -# CONFIG_I2C_VIAPRO is not set - -# -# I2C system bus drivers (mostly embedded / system-on-chip) -# -# CONFIG_I2C_OCORES is not set -# CONFIG_I2C_SIMTEC is not set - -# -# External I2C/SMBus adapter drivers -# -# CONFIG_I2C_PARPORT_LIGHT is not set -# CONFIG_I2C_TAOS_EVM is not set -# CONFIG_I2C_TINY_USB is not set - -# -# Graphics adapter I2C/DDC channel drivers -# -# CONFIG_I2C_VOODOO3 is not set - -# -# Other I2C/SMBus bus drivers -# -# CONFIG_I2C_PCA_PLATFORM is not set -# CONFIG_I2C_STUB is not set -# CONFIG_SCx200_ACB is not set - -# -# Miscellaneous I2C Chip support -# -# CONFIG_DS1682 is not set -# CONFIG_SENSORS_PCF8574 is not set -# CONFIG_PCF8575 is not set -# CONFIG_SENSORS_PCA9539 is not set -# CONFIG_SENSORS_MAX6875 is not set -# CONFIG_SENSORS_TSL2550 is not set -# CONFIG_I2C_DEBUG_CORE is not set -# CONFIG_I2C_DEBUG_ALGO is not set -# CONFIG_I2C_DEBUG_BUS is not set -# CONFIG_I2C_DEBUG_CHIP is not set -# CONFIG_SPI is not set -CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y -# CONFIG_GPIOLIB is not set -# CONFIG_W1 is not set -CONFIG_POWER_SUPPLY=y -# CONFIG_POWER_SUPPLY_DEBUG is not set -# CONFIG_PDA_POWER is not set -# CONFIG_BATTERY_DS2760 is not set -# CONFIG_BATTERY_BQ27x00 is not set -CONFIG_HWMON=y -# CONFIG_HWMON_VID is not set -# CONFIG_SENSORS_ABITUGURU is not set -# CONFIG_SENSORS_ABITUGURU3 is not set -# CONFIG_SENSORS_AD7414 is not set -# CONFIG_SENSORS_AD7418 is not set -# CONFIG_SENSORS_ADM1021 is not set -# CONFIG_SENSORS_ADM1025 is not set -# CONFIG_SENSORS_ADM1026 is not set -# CONFIG_SENSORS_ADM1029 is not set -# CONFIG_SENSORS_ADM1031 is not set -# CONFIG_SENSORS_ADM9240 is not set -# CONFIG_SENSORS_ADT7462 is not set -# CONFIG_SENSORS_ADT7470 is not set -# CONFIG_SENSORS_ADT7473 is not set -# CONFIG_SENSORS_ADT7475 is not set -# CONFIG_SENSORS_K8TEMP is not set -# CONFIG_SENSORS_ASB100 is not set -# CONFIG_SENSORS_ATK0110 is not set -# CONFIG_SENSORS_ATXP1 is not set -# CONFIG_SENSORS_DS1621 is not set -# CONFIG_SENSORS_I5K_AMB is not set -# CONFIG_SENSORS_F71805F is not set -# CONFIG_SENSORS_F71882FG is not set -# CONFIG_SENSORS_F75375S is not set -# CONFIG_SENSORS_FSCHER is not set -# CONFIG_SENSORS_FSCPOS is not set -# CONFIG_SENSORS_FSCHMD is not set -# CONFIG_SENSORS_G760A is not set -# CONFIG_SENSORS_GL518SM is not set -# CONFIG_SENSORS_GL520SM is not set -# CONFIG_SENSORS_CORETEMP is not set -# CONFIG_SENSORS_IT87 is not set -# CONFIG_SENSORS_LM63 is not set -# CONFIG_SENSORS_LM75 is not set -# CONFIG_SENSORS_LM77 is not set -# CONFIG_SENSORS_LM78 is not set -# CONFIG_SENSORS_LM80 is not set -# CONFIG_SENSORS_LM83 is not set -# CONFIG_SENSORS_LM85 is not set -# CONFIG_SENSORS_LM87 is not set -# CONFIG_SENSORS_LM90 is not set -# CONFIG_SENSORS_LM92 is not set -# CONFIG_SENSORS_LM93 is not set -# CONFIG_SENSORS_LTC4215 is not set -# CONFIG_SENSORS_LTC4245 is not set -# CONFIG_SENSORS_LM95241 is not set -# CONFIG_SENSORS_MAX1619 is not set -# CONFIG_SENSORS_MAX6650 is not set -# CONFIG_SENSORS_PC87360 is not set -# CONFIG_SENSORS_PC87427 is not set -# CONFIG_SENSORS_PCF8591 is not set -# CONFIG_SENSORS_SIS5595 is not set -# CONFIG_SENSORS_DME1737 is not set -# CONFIG_SENSORS_SMSC47M1 is not set -# CONFIG_SENSORS_SMSC47M192 is not set -# CONFIG_SENSORS_SMSC47B397 is not set -# CONFIG_SENSORS_ADS7828 is not set -# CONFIG_SENSORS_THMC50 is not set -# CONFIG_SENSORS_VIA686A is not set -# CONFIG_SENSORS_VT1211 is not set -# CONFIG_SENSORS_VT8231 is not set -# CONFIG_SENSORS_W83781D is not set -# CONFIG_SENSORS_W83791D is not set -# CONFIG_SENSORS_W83792D is not set -# CONFIG_SENSORS_W83793 is not set -# CONFIG_SENSORS_W83L785TS is not set -# CONFIG_SENSORS_W83L786NG is not set -# CONFIG_SENSORS_W83627HF is not set -# CONFIG_SENSORS_W83627EHF is not set -# CONFIG_SENSORS_HDAPS is not set -# CONFIG_SENSORS_LIS3LV02D is not set -# CONFIG_SENSORS_APPLESMC is not set -# CONFIG_HWMON_DEBUG_CHIP is not set -CONFIG_THERMAL=y -# CONFIG_THERMAL_HWMON is not set CONFIG_WATCHDOG=y -# CONFIG_WATCHDOG_NOWAYOUT is not set - -# -# Watchdog Device Drivers -# -# CONFIG_SOFT_WATCHDOG is not set -# CONFIG_ACQUIRE_WDT is not set -# CONFIG_ADVANTECH_WDT is not set -# CONFIG_ALIM1535_WDT is not set -# CONFIG_ALIM7101_WDT is not set -# CONFIG_SC520_WDT is not set -# CONFIG_EUROTECH_WDT is not set -# CONFIG_IB700_WDT is not set -# CONFIG_IBMASR is not set -# CONFIG_WAFER_WDT is not set -# CONFIG_I6300ESB_WDT is not set -# CONFIG_ITCO_WDT is not set -# CONFIG_IT8712F_WDT is not set -# CONFIG_IT87_WDT is not set -# CONFIG_HP_WATCHDOG is not set -# CONFIG_SC1200_WDT is not set -# CONFIG_PC87413_WDT is not set -# CONFIG_60XX_WDT is not set -# CONFIG_SBC8360_WDT is not set -# CONFIG_SBC7240_WDT is not set -# CONFIG_CPU5_WDT is not set -# CONFIG_SMSC_SCH311X_WDT is not set -# CONFIG_SMSC37B787_WDT is not set -# CONFIG_W83627HF_WDT is not set -# CONFIG_W83697HF_WDT is not set -# CONFIG_W83697UG_WDT is not set -# CONFIG_W83877F_WDT is not set -# CONFIG_W83977F_WDT is not set -# CONFIG_MACHZ_WDT is not set -# CONFIG_SBC_EPX_C3_WATCHDOG is not set - -# -# PCI-based Watchdog Cards -# -# CONFIG_PCIPCWATCHDOG is not set -# CONFIG_WDTPCI is not set - -# -# USB-based Watchdog Cards -# -# CONFIG_USBPCWATCHDOG is not set -CONFIG_SSB_POSSIBLE=y - -# -# Sonics Silicon Backplane -# -# CONFIG_SSB is not set - -# -# Multifunction device drivers -# -# CONFIG_MFD_CORE is not set -# CONFIG_MFD_SM501 is not set -# CONFIG_HTC_PASIC3 is not set -# CONFIG_TWL4030_CORE is not set -# CONFIG_MFD_TMIO is not set -# CONFIG_PMIC_DA903X is not set -# CONFIG_MFD_WM8400 is not set -# CONFIG_MFD_WM8350_I2C is not set -# CONFIG_MFD_PCF50633 is not set -# CONFIG_REGULATOR is not set - -# -# Multimedia devices -# - -# -# Multimedia core support -# -# CONFIG_VIDEO_DEV is not set -# CONFIG_DVB_CORE is not set -# CONFIG_VIDEO_MEDIA is not set - -# -# Multimedia drivers -# -CONFIG_DAB=y -# CONFIG_USB_DABUSB is not set - -# -# Graphics support -# CONFIG_AGP=y -# CONFIG_AGP_ALI is not set -# CONFIG_AGP_ATI is not set -# CONFIG_AGP_AMD is not set CONFIG_AGP_AMD64=y CONFIG_AGP_INTEL=y -# CONFIG_AGP_NVIDIA is not set -# CONFIG_AGP_SIS is not set -# CONFIG_AGP_SWORKS is not set -# CONFIG_AGP_VIA is not set -# CONFIG_AGP_EFFICEON is not set CONFIG_DRM=y -# CONFIG_DRM_TDFX is not set -# CONFIG_DRM_R128 is not set -# CONFIG_DRM_RADEON is not set -# CONFIG_DRM_I810 is not set -# CONFIG_DRM_I830 is not set CONFIG_DRM_I915=y -# CONFIG_DRM_I915_KMS is not set -# CONFIG_DRM_MGA is not set -# CONFIG_DRM_SIS is not set -# CONFIG_DRM_VIA is not set -# CONFIG_DRM_SAVAGE is not set -# CONFIG_VGASTATE is not set -# CONFIG_VIDEO_OUTPUT_CONTROL is not set -CONFIG_FB=y -# CONFIG_FIRMWARE_EDID is not set -# CONFIG_FB_DDC is not set -# CONFIG_FB_BOOT_VESA_SUPPORT is not set -CONFIG_FB_CFB_FILLRECT=y -CONFIG_FB_CFB_COPYAREA=y -CONFIG_FB_CFB_IMAGEBLIT=y -# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set -# CONFIG_FB_SYS_FILLRECT is not set -# CONFIG_FB_SYS_COPYAREA is not set -# CONFIG_FB_SYS_IMAGEBLIT is not set -# CONFIG_FB_FOREIGN_ENDIAN is not set -# CONFIG_FB_SYS_FOPS is not set -# CONFIG_FB_SVGALIB is not set -# CONFIG_FB_MACMODES is not set -# CONFIG_FB_BACKLIGHT is not set CONFIG_FB_MODE_HELPERS=y CONFIG_FB_TILEBLITTING=y - -# -# Frame buffer hardware drivers -# -# CONFIG_FB_CIRRUS is not set -# CONFIG_FB_PM2 is not set -# CONFIG_FB_CYBER2000 is not set -# CONFIG_FB_ARC is not set -# CONFIG_FB_ASILIANT is not set -# CONFIG_FB_IMSTT is not set -# CONFIG_FB_VGA16 is not set -# CONFIG_FB_UVESA is not set -# CONFIG_FB_VESA is not set CONFIG_FB_EFI=y -# CONFIG_FB_N411 is not set -# CONFIG_FB_HGA is not set -# CONFIG_FB_S1D13XXX is not set -# CONFIG_FB_NVIDIA is not set -# CONFIG_FB_RIVA is not set -# CONFIG_FB_I810 is not set -# CONFIG_FB_LE80578 is not set -# CONFIG_FB_INTEL is not set -# CONFIG_FB_MATROX is not set -# CONFIG_FB_RADEON is not set -# CONFIG_FB_ATY128 is not set -# CONFIG_FB_ATY is not set -# CONFIG_FB_S3 is not set -# CONFIG_FB_SAVAGE is not set -# CONFIG_FB_SIS is not set -# CONFIG_FB_VIA is not set -# CONFIG_FB_NEOMAGIC is not set -# CONFIG_FB_KYRO is not set -# CONFIG_FB_3DFX is not set -# CONFIG_FB_VOODOO1 is not set -# CONFIG_FB_VT8623 is not set -# CONFIG_FB_TRIDENT is not set -# CONFIG_FB_ARK is not set -# CONFIG_FB_PM3 is not set -# CONFIG_FB_CARMINE is not set -# CONFIG_FB_GEODE is not set -# CONFIG_FB_VIRTUAL is not set -# CONFIG_FB_METRONOME is not set -# CONFIG_FB_MB862XX is not set -# CONFIG_FB_BROADSHEET is not set CONFIG_BACKLIGHT_LCD_SUPPORT=y # CONFIG_LCD_CLASS_DEVICE is not set -CONFIG_BACKLIGHT_CLASS_DEVICE=y -CONFIG_BACKLIGHT_GENERIC=y -# CONFIG_BACKLIGHT_PROGEAR is not set -# CONFIG_BACKLIGHT_MBP_NVIDIA is not set -# CONFIG_BACKLIGHT_SAHARA is not set - -# -# Display device support -# -# CONFIG_DISPLAY_SUPPORT is not set - -# -# Console display driver support -# -CONFIG_VGA_CONSOLE=y CONFIG_VGACON_SOFT_SCROLLBACK=y -CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=64 -CONFIG_DUMMY_CONSOLE=y -# CONFIG_FRAMEBUFFER_CONSOLE is not set CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set # CONFIG_LOGO_LINUX_VGA16 is not set -CONFIG_LOGO_LINUX_CLUT224=y CONFIG_SOUND=y -CONFIG_SOUND_OSS_CORE=y CONFIG_SND=y -CONFIG_SND_TIMER=y -CONFIG_SND_PCM=y -CONFIG_SND_HWDEP=y -CONFIG_SND_JACK=y CONFIG_SND_SEQUENCER=y CONFIG_SND_SEQ_DUMMY=y -CONFIG_SND_OSSEMUL=y CONFIG_SND_MIXER_OSS=y CONFIG_SND_PCM_OSS=y -CONFIG_SND_PCM_OSS_PLUGINS=y CONFIG_SND_SEQUENCER_OSS=y CONFIG_SND_HRTIMER=y -CONFIG_SND_SEQ_HRTIMER_DEFAULT=y -CONFIG_SND_DYNAMIC_MINORS=y -CONFIG_SND_SUPPORT_OLD_API=y -CONFIG_SND_VERBOSE_PROCFS=y -# CONFIG_SND_VERBOSE_PRINTK is not set -# CONFIG_SND_DEBUG is not set -CONFIG_SND_VMASTER=y -CONFIG_SND_DRIVERS=y -# CONFIG_SND_PCSP is not set -# CONFIG_SND_DUMMY is not set -# CONFIG_SND_VIRMIDI is not set -# CONFIG_SND_MTPAV is not set -# CONFIG_SND_SERIAL_U16550 is not set -# CONFIG_SND_MPU401 is not set -CONFIG_SND_PCI=y -# CONFIG_SND_AD1889 is not set -# CONFIG_SND_ALS300 is not set -# CONFIG_SND_ALS4000 is not set -# CONFIG_SND_ALI5451 is not set -# CONFIG_SND_ATIIXP is not set -# CONFIG_SND_ATIIXP_MODEM is not set -# CONFIG_SND_AU8810 is not set -# CONFIG_SND_AU8820 is not set -# CONFIG_SND_AU8830 is not set -# CONFIG_SND_AW2 is not set -# CONFIG_SND_AZT3328 is not set -# CONFIG_SND_BT87X is not set -# CONFIG_SND_CA0106 is not set -# CONFIG_SND_CMIPCI is not set -# CONFIG_SND_OXYGEN is not set -# CONFIG_SND_CS4281 is not set -# CONFIG_SND_CS46XX is not set -# CONFIG_SND_CS5530 is not set -# CONFIG_SND_CS5535AUDIO is not set -# CONFIG_SND_DARLA20 is not set -# CONFIG_SND_GINA20 is not set -# CONFIG_SND_LAYLA20 is not set -# CONFIG_SND_DARLA24 is not set -# CONFIG_SND_GINA24 is not set -# CONFIG_SND_LAYLA24 is not set -# CONFIG_SND_MONA is not set -# CONFIG_SND_MIA is not set -# CONFIG_SND_ECHO3G is not set -# CONFIG_SND_INDIGO is not set -# CONFIG_SND_INDIGOIO is not set -# CONFIG_SND_INDIGODJ is not set -# CONFIG_SND_INDIGOIOX is not set -# CONFIG_SND_INDIGODJX is not set -# CONFIG_SND_EMU10K1 is not set -# CONFIG_SND_EMU10K1X is not set -# CONFIG_SND_ENS1370 is not set -# CONFIG_SND_ENS1371 is not set -# CONFIG_SND_ES1938 is not set -# CONFIG_SND_ES1968 is not set -# CONFIG_SND_FM801 is not set CONFIG_SND_HDA_INTEL=y CONFIG_SND_HDA_HWDEP=y -# CONFIG_SND_HDA_RECONFIG is not set -# CONFIG_SND_HDA_INPUT_BEEP is not set -CONFIG_SND_HDA_CODEC_REALTEK=y -CONFIG_SND_HDA_CODEC_ANALOG=y -CONFIG_SND_HDA_CODEC_SIGMATEL=y -CONFIG_SND_HDA_CODEC_VIA=y -CONFIG_SND_HDA_CODEC_ATIHDMI=y -CONFIG_SND_HDA_CODEC_NVHDMI=y -CONFIG_SND_HDA_CODEC_INTELHDMI=y -CONFIG_SND_HDA_ELD=y -CONFIG_SND_HDA_CODEC_CONEXANT=y -CONFIG_SND_HDA_CODEC_CMEDIA=y -CONFIG_SND_HDA_CODEC_SI3054=y -CONFIG_SND_HDA_GENERIC=y -# CONFIG_SND_HDA_POWER_SAVE is not set -# CONFIG_SND_HDSP is not set -# CONFIG_SND_HDSPM is not set -# CONFIG_SND_HIFIER is not set -# CONFIG_SND_ICE1712 is not set -# CONFIG_SND_ICE1724 is not set -# CONFIG_SND_INTEL8X0 is not set -# CONFIG_SND_INTEL8X0M is not set -# CONFIG_SND_KORG1212 is not set -# CONFIG_SND_MAESTRO3 is not set -# CONFIG_SND_MIXART is not set -# CONFIG_SND_NM256 is not set -# CONFIG_SND_PCXHR is not set -# CONFIG_SND_RIPTIDE is not set -# CONFIG_SND_RME32 is not set -# CONFIG_SND_RME96 is not set -# CONFIG_SND_RME9652 is not set -# CONFIG_SND_SIS7019 is not set -# CONFIG_SND_SONICVIBES is not set -# CONFIG_SND_TRIDENT is not set -# CONFIG_SND_VIA82XX is not set -# CONFIG_SND_VIA82XX_MODEM is not set -# CONFIG_SND_VIRTUOSO is not set -# CONFIG_SND_VX222 is not set -# CONFIG_SND_YMFPCI is not set -CONFIG_SND_USB=y -# CONFIG_SND_USB_AUDIO is not set -# CONFIG_SND_USB_USX2Y is not set -# CONFIG_SND_USB_CAIAQ is not set -# CONFIG_SND_USB_US122L is not set -CONFIG_SND_PCMCIA=y -# CONFIG_SND_VXPOCKET is not set -# CONFIG_SND_PDAUDIOCF is not set -# CONFIG_SND_SOC is not set -# CONFIG_SOUND_PRIME is not set -CONFIG_HID_SUPPORT=y -CONFIG_HID=y -CONFIG_HID_DEBUG=y CONFIG_HIDRAW=y - -# -# USB Input Devices -# -CONFIG_USB_HID=y CONFIG_HID_PID=y CONFIG_USB_HIDDEV=y - -# -# Special HID drivers -# -CONFIG_HID_A4TECH=y -CONFIG_HID_APPLE=y -CONFIG_HID_BELKIN=y -CONFIG_HID_CHERRY=y -CONFIG_HID_CHICONY=y -CONFIG_HID_CYPRESS=y -# CONFIG_DRAGONRISE_FF is not set -CONFIG_HID_EZKEY=y -CONFIG_HID_KYE=y CONFIG_HID_GYRATION=y -CONFIG_HID_KENSINGTON=y -CONFIG_HID_LOGITECH=y CONFIG_LOGITECH_FF=y -# CONFIG_LOGIRUMBLEPAD2_FF is not set -CONFIG_HID_MICROSOFT=y -CONFIG_HID_MONTEREY=y CONFIG_HID_NTRIG=y CONFIG_HID_PANTHERLORD=y CONFIG_PANTHERLORD_FF=y @@ -1874,702 +249,92 @@ CONFIG_HID_PETALYNX=y CONFIG_HID_SAMSUNG=y CONFIG_HID_SONY=y CONFIG_HID_SUNPLUS=y -# CONFIG_GREENASIA_FF is not set CONFIG_HID_TOPSEED=y -CONFIG_THRUSTMASTER_FF=y -CONFIG_ZEROPLUS_FF=y -CONFIG_USB_SUPPORT=y -CONFIG_USB_ARCH_HAS_HCD=y -CONFIG_USB_ARCH_HAS_OHCI=y -CONFIG_USB_ARCH_HAS_EHCI=y CONFIG_USB=y CONFIG_USB_DEBUG=y CONFIG_USB_ANNOUNCE_NEW_DEVICES=y - -# -# Miscellaneous USB options -# CONFIG_USB_DEVICEFS=y # CONFIG_USB_DEVICE_CLASS is not set -# CONFIG_USB_DYNAMIC_MINORS is not set -CONFIG_USB_SUSPEND=y -# CONFIG_USB_OTG is not set CONFIG_USB_MON=y -# CONFIG_USB_WUSB is not set -# CONFIG_USB_WUSB_CBAF is not set - -# -# USB Host Controller Drivers -# -# CONFIG_USB_C67X00_HCD is not set CONFIG_USB_EHCI_HCD=y -# CONFIG_USB_EHCI_ROOT_HUB_TT is not set # CONFIG_USB_EHCI_TT_NEWSCHED is not set -# CONFIG_USB_OXU210HP_HCD is not set -# CONFIG_USB_ISP116X_HCD is not set -# CONFIG_USB_ISP1760_HCD is not set CONFIG_USB_OHCI_HCD=y -# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set -# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set -CONFIG_USB_OHCI_LITTLE_ENDIAN=y CONFIG_USB_UHCI_HCD=y -# CONFIG_USB_SL811_HCD is not set -# CONFIG_USB_R8A66597_HCD is not set -# CONFIG_USB_WHCI_HCD is not set -# CONFIG_USB_HWA_HCD is not set - -# -# USB Device Class drivers -# -# CONFIG_USB_ACM is not set CONFIG_USB_PRINTER=y -# CONFIG_USB_WDM is not set -# CONFIG_USB_TMC is not set - -# -# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may -# - -# -# also be needed; see USB_STORAGE Help for more info -# CONFIG_USB_STORAGE=y -# CONFIG_USB_STORAGE_DEBUG is not set -# CONFIG_USB_STORAGE_DATAFAB is not set -# CONFIG_USB_STORAGE_FREECOM is not set -# CONFIG_USB_STORAGE_ISD200 is not set -# CONFIG_USB_STORAGE_USBAT is not set -# CONFIG_USB_STORAGE_SDDR09 is not set -# CONFIG_USB_STORAGE_SDDR55 is not set -# CONFIG_USB_STORAGE_JUMPSHOT is not set -# CONFIG_USB_STORAGE_ALAUDA is not set -# CONFIG_USB_STORAGE_ONETOUCH is not set -# CONFIG_USB_STORAGE_KARMA is not set -# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set CONFIG_USB_LIBUSUAL=y - -# -# USB Imaging devices -# -# CONFIG_USB_MDC800 is not set -# CONFIG_USB_MICROTEK is not set - -# -# USB port drivers -# -# CONFIG_USB_SERIAL is not set - -# -# USB Miscellaneous drivers -# -# CONFIG_USB_EMI62 is not set -# CONFIG_USB_EMI26 is not set -# CONFIG_USB_ADUTUX is not set -# CONFIG_USB_SEVSEG is not set -# CONFIG_USB_RIO500 is not set -# CONFIG_USB_LEGOTOWER is not set -# CONFIG_USB_LCD is not set -# CONFIG_USB_BERRY_CHARGE is not set -# CONFIG_USB_LED is not set -# CONFIG_USB_CYPRESS_CY7C63 is not set -# CONFIG_USB_CYTHERM is not set -# CONFIG_USB_IDMOUSE is not set -# CONFIG_USB_FTDI_ELAN is not set -# CONFIG_USB_APPLEDISPLAY is not set -# CONFIG_USB_SISUSBVGA is not set -# CONFIG_USB_LD is not set -# CONFIG_USB_TRANCEVIBRATOR is not set -# CONFIG_USB_IOWARRIOR is not set -# CONFIG_USB_TEST is not set -# CONFIG_USB_ISIGHTFW is not set -# CONFIG_USB_VST is not set -# CONFIG_USB_GADGET is not set - -# -# OTG and related infrastructure -# -# CONFIG_NOP_USB_XCEIV is not set -# CONFIG_UWB is not set -# CONFIG_MMC is not set -# CONFIG_MEMSTICK is not set -CONFIG_NEW_LEDS=y -CONFIG_LEDS_CLASS=y - -# -# LED drivers -# -# CONFIG_LEDS_ALIX2 is not set -# CONFIG_LEDS_PCA9532 is not set -# CONFIG_LEDS_LP5521 is not set -# CONFIG_LEDS_CLEVO_MAIL is not set -# CONFIG_LEDS_PCA955X is not set -# CONFIG_LEDS_BD2802 is not set - -# -# LED Triggers -# -CONFIG_LEDS_TRIGGERS=y -# CONFIG_LEDS_TRIGGER_TIMER is not set -# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set -# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set -# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set - -# -# iptables trigger is under Netfilter config (LED target) -# -# CONFIG_ACCESSIBILITY is not set -# CONFIG_INFINIBAND is not set CONFIG_EDAC=y - -# -# Reporting subsystems -# -# CONFIG_EDAC_DEBUG is not set -# CONFIG_EDAC_MM_EDAC is not set -CONFIG_RTC_LIB=y CONFIG_RTC_CLASS=y # CONFIG_RTC_HCTOSYS is not set -# CONFIG_RTC_DEBUG is not set - -# -# RTC interfaces -# -CONFIG_RTC_INTF_SYSFS=y -CONFIG_RTC_INTF_PROC=y -CONFIG_RTC_INTF_DEV=y -# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set -# CONFIG_RTC_DRV_TEST is not set - -# -# I2C RTC drivers -# -# CONFIG_RTC_DRV_DS1307 is not set -# CONFIG_RTC_DRV_DS1374 is not set -# CONFIG_RTC_DRV_DS1672 is not set -# CONFIG_RTC_DRV_MAX6900 is not set -# CONFIG_RTC_DRV_RS5C372 is not set -# CONFIG_RTC_DRV_ISL1208 is not set -# CONFIG_RTC_DRV_X1205 is not set -# CONFIG_RTC_DRV_PCF8563 is not set -# CONFIG_RTC_DRV_PCF8583 is not set -# CONFIG_RTC_DRV_M41T80 is not set -# CONFIG_RTC_DRV_S35390A is not set -# CONFIG_RTC_DRV_FM3130 is not set -# CONFIG_RTC_DRV_RX8581 is not set - -# -# SPI RTC drivers -# - -# -# Platform RTC drivers -# -CONFIG_RTC_DRV_CMOS=y -# CONFIG_RTC_DRV_DS1286 is not set -# CONFIG_RTC_DRV_DS1511 is not set -# CONFIG_RTC_DRV_DS1553 is not set -# CONFIG_RTC_DRV_DS1742 is not set -# CONFIG_RTC_DRV_STK17TA8 is not set -# CONFIG_RTC_DRV_M48T86 is not set -# CONFIG_RTC_DRV_M48T35 is not set -# CONFIG_RTC_DRV_M48T59 is not set -# CONFIG_RTC_DRV_BQ4802 is not set -# CONFIG_RTC_DRV_V3020 is not set - -# -# on-CPU RTC drivers -# CONFIG_DMADEVICES=y - -# -# DMA Devices -# -# CONFIG_INTEL_IOATDMA is not set -# CONFIG_AUXDISPLAY is not set -# CONFIG_UIO is not set -# CONFIG_STAGING is not set -CONFIG_X86_PLATFORM_DEVICES=y -# CONFIG_ACER_WMI is not set -# CONFIG_ASUS_LAPTOP is not set -# CONFIG_FUJITSU_LAPTOP is not set -# CONFIG_TC1100_WMI is not set -# CONFIG_MSI_LAPTOP is not set -# CONFIG_PANASONIC_LAPTOP is not set -# CONFIG_COMPAL_LAPTOP is not set -# CONFIG_SONY_LAPTOP is not set -# CONFIG_THINKPAD_ACPI is not set -# CONFIG_INTEL_MENLOW is not set CONFIG_EEEPC_LAPTOP=y -# CONFIG_ACPI_WMI is not set -# CONFIG_ACPI_ASUS is not set -# CONFIG_ACPI_TOSHIBA is not set - -# -# Firmware Drivers -# -# CONFIG_EDD is not set -CONFIG_FIRMWARE_MEMMAP=y CONFIG_EFI_VARS=y -# CONFIG_DELL_RBU is not set -# CONFIG_DCDBAS is not set -CONFIG_DMIID=y -# CONFIG_ISCSI_IBFT_FIND is not set - -# -# File systems -# -# CONFIG_EXT2_FS is not set CONFIG_EXT3_FS=y # CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set -CONFIG_EXT3_FS_XATTR=y CONFIG_EXT3_FS_POSIX_ACL=y CONFIG_EXT3_FS_SECURITY=y -# CONFIG_EXT4_FS is not set -CONFIG_JBD=y -# CONFIG_JBD_DEBUG is not set -CONFIG_FS_MBCACHE=y -# CONFIG_REISERFS_FS is not set -# CONFIG_JFS_FS is not set -CONFIG_FS_POSIX_ACL=y -CONFIG_FILE_LOCKING=y -# CONFIG_XFS_FS is not set -# CONFIG_OCFS2_FS is not set -# CONFIG_BTRFS_FS is not set -CONFIG_DNOTIFY=y -CONFIG_INOTIFY=y -CONFIG_INOTIFY_USER=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set -CONFIG_QUOTA_TREE=y -# CONFIG_QFMT_V1 is not set CONFIG_QFMT_V2=y -CONFIG_QUOTACTL=y -# CONFIG_AUTOFS_FS is not set CONFIG_AUTOFS4_FS=y -# CONFIG_FUSE_FS is not set -CONFIG_GENERIC_ACL=y - -# -# Caches -# -# CONFIG_FSCACHE is not set - -# -# CD-ROM/DVD Filesystems -# CONFIG_ISO9660_FS=y CONFIG_JOLIET=y CONFIG_ZISOFS=y -# CONFIG_UDF_FS is not set - -# -# DOS/FAT/NT Filesystems -# -CONFIG_FAT_FS=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y -CONFIG_FAT_DEFAULT_CODEPAGE=437 -CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" -# CONFIG_NTFS_FS is not set - -# -# Pseudo filesystems -# -CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y -CONFIG_PROC_VMCORE=y -CONFIG_PROC_SYSCTL=y -CONFIG_PROC_PAGE_MONITOR=y -CONFIG_SYSFS=y CONFIG_TMPFS=y CONFIG_TMPFS_POSIX_ACL=y CONFIG_HUGETLBFS=y -CONFIG_HUGETLB_PAGE=y -# CONFIG_CONFIGFS_FS is not set -CONFIG_MISC_FILESYSTEMS=y -# CONFIG_ADFS_FS is not set -# CONFIG_AFFS_FS is not set -# CONFIG_ECRYPT_FS is not set -# CONFIG_HFS_FS is not set -# CONFIG_HFSPLUS_FS is not set -# CONFIG_BEFS_FS is not set -# CONFIG_BFS_FS is not set -# CONFIG_EFS_FS is not set -# CONFIG_CRAMFS is not set -# CONFIG_SQUASHFS is not set -# CONFIG_VXFS_FS is not set -# CONFIG_MINIX_FS is not set -# CONFIG_OMFS_FS is not set -# CONFIG_HPFS_FS is not set -# CONFIG_QNX4FS_FS is not set -# CONFIG_ROMFS_FS is not set -# CONFIG_SYSV_FS is not set -# CONFIG_UFS_FS is not set -# CONFIG_NILFS2_FS is not set -CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y CONFIG_NFS_V3_ACL=y CONFIG_NFS_V4=y CONFIG_ROOT_NFS=y -# CONFIG_NFSD is not set -CONFIG_LOCKD=y -CONFIG_LOCKD_V4=y -CONFIG_NFS_ACL_SUPPORT=y -CONFIG_NFS_COMMON=y -CONFIG_SUNRPC=y -CONFIG_SUNRPC_GSS=y -CONFIG_RPCSEC_GSS_KRB5=y -# CONFIG_RPCSEC_GSS_SPKM3 is not set -# CONFIG_SMB_FS is not set -# CONFIG_CIFS is not set -# CONFIG_NCP_FS is not set -# CONFIG_CODA_FS is not set -# CONFIG_AFS_FS is not set - -# -# Partition Types -# CONFIG_PARTITION_ADVANCED=y -# CONFIG_ACORN_PARTITION is not set CONFIG_OSF_PARTITION=y CONFIG_AMIGA_PARTITION=y -# CONFIG_ATARI_PARTITION is not set CONFIG_MAC_PARTITION=y -CONFIG_MSDOS_PARTITION=y CONFIG_BSD_DISKLABEL=y CONFIG_MINIX_SUBPARTITION=y CONFIG_SOLARIS_X86_PARTITION=y CONFIG_UNIXWARE_DISKLABEL=y -# CONFIG_LDM_PARTITION is not set CONFIG_SGI_PARTITION=y -# CONFIG_ULTRIX_PARTITION is not set CONFIG_SUN_PARTITION=y CONFIG_KARMA_PARTITION=y CONFIG_EFI_PARTITION=y -# CONFIG_SYSV68_PARTITION is not set -CONFIG_NLS=y CONFIG_NLS_DEFAULT="utf8" CONFIG_NLS_CODEPAGE_437=y -# CONFIG_NLS_CODEPAGE_737 is not set -# CONFIG_NLS_CODEPAGE_775 is not set -# CONFIG_NLS_CODEPAGE_850 is not set -# CONFIG_NLS_CODEPAGE_852 is not set -# CONFIG_NLS_CODEPAGE_855 is not set -# CONFIG_NLS_CODEPAGE_857 is not set -# CONFIG_NLS_CODEPAGE_860 is not set -# CONFIG_NLS_CODEPAGE_861 is not set -# CONFIG_NLS_CODEPAGE_862 is not set -# CONFIG_NLS_CODEPAGE_863 is not set -# CONFIG_NLS_CODEPAGE_864 is not set -# CONFIG_NLS_CODEPAGE_865 is not set -# CONFIG_NLS_CODEPAGE_866 is not set -# CONFIG_NLS_CODEPAGE_869 is not set -# CONFIG_NLS_CODEPAGE_936 is not set -# CONFIG_NLS_CODEPAGE_950 is not set -# CONFIG_NLS_CODEPAGE_932 is not set -# CONFIG_NLS_CODEPAGE_949 is not set -# CONFIG_NLS_CODEPAGE_874 is not set -# CONFIG_NLS_ISO8859_8 is not set -# CONFIG_NLS_CODEPAGE_1250 is not set -# CONFIG_NLS_CODEPAGE_1251 is not set CONFIG_NLS_ASCII=y CONFIG_NLS_ISO8859_1=y -# CONFIG_NLS_ISO8859_2 is not set -# CONFIG_NLS_ISO8859_3 is not set -# CONFIG_NLS_ISO8859_4 is not set -# CONFIG_NLS_ISO8859_5 is not set -# CONFIG_NLS_ISO8859_6 is not set -# CONFIG_NLS_ISO8859_7 is not set -# CONFIG_NLS_ISO8859_9 is not set -# CONFIG_NLS_ISO8859_13 is not set -# CONFIG_NLS_ISO8859_14 is not set -# CONFIG_NLS_ISO8859_15 is not set -# CONFIG_NLS_KOI8_R is not set -# CONFIG_NLS_KOI8_U is not set CONFIG_NLS_UTF8=y -# CONFIG_DLM is not set - -# -# Kernel hacking -# -CONFIG_TRACE_IRQFLAGS_SUPPORT=y CONFIG_PRINTK_TIME=y # CONFIG_ENABLE_WARN_DEPRECATED is not set -CONFIG_ENABLE_MUST_CHECK=y CONFIG_FRAME_WARN=2048 CONFIG_MAGIC_SYSRQ=y # CONFIG_UNUSED_SYMBOLS is not set -CONFIG_DEBUG_FS=y -# CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y -# CONFIG_DEBUG_SHIRQ is not set -# CONFIG_DETECT_SOFTLOCKUP is not set -# CONFIG_DETECT_HUNG_TASK is not set # CONFIG_SCHED_DEBUG is not set CONFIG_SCHEDSTATS=y CONFIG_TIMER_STATS=y -# CONFIG_DEBUG_OBJECTS is not set -# CONFIG_SLUB_DEBUG_ON is not set -# CONFIG_SLUB_STATS is not set -# CONFIG_DEBUG_RT_MUTEXES is not set -# CONFIG_RT_MUTEX_TESTER is not set -# CONFIG_DEBUG_SPINLOCK is not set -# CONFIG_DEBUG_MUTEXES is not set -# CONFIG_DEBUG_LOCK_ALLOC is not set -# CONFIG_PROVE_LOCKING is not set -# CONFIG_LOCK_STAT is not set -# CONFIG_DEBUG_SPINLOCK_SLEEP is not set -# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set -CONFIG_STACKTRACE=y -# CONFIG_DEBUG_KOBJECT is not set -# CONFIG_DEBUG_HIGHMEM is not set -CONFIG_DEBUG_BUGVERBOSE=y -# CONFIG_DEBUG_INFO is not set -# CONFIG_DEBUG_VM is not set -# CONFIG_DEBUG_VIRTUAL is not set -# CONFIG_DEBUG_WRITECOUNT is not set -CONFIG_DEBUG_MEMORY_INIT=y -# CONFIG_DEBUG_LIST is not set -# CONFIG_DEBUG_SG is not set -# CONFIG_DEBUG_NOTIFIERS is not set -CONFIG_ARCH_WANT_FRAME_POINTERS=y -CONFIG_FRAME_POINTER=y -# CONFIG_BOOT_PRINTK_DELAY is not set -# CONFIG_RCU_TORTURE_TEST is not set # CONFIG_RCU_CPU_STALL_DETECTOR is not set -# CONFIG_KPROBES_SANITY_TEST is not set -# CONFIG_BACKTRACE_SELF_TEST is not set -# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set -# CONFIG_LKDTM is not set -# CONFIG_FAULT_INJECTION is not set -# CONFIG_LATENCYTOP is not set CONFIG_SYSCTL_SYSCALL_CHECK=y -# CONFIG_DEBUG_PAGEALLOC is not set -CONFIG_USER_STACKTRACE_SUPPORT=y -CONFIG_NOP_TRACER=y -CONFIG_HAVE_FUNCTION_TRACER=y -CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y -CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y -CONFIG_HAVE_DYNAMIC_FTRACE=y -CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y -CONFIG_HAVE_HW_BRANCH_TRACER=y -CONFIG_HAVE_SYSCALL_TRACEPOINTS=y -CONFIG_RING_BUFFER=y -CONFIG_TRACING=y -CONFIG_TRACING_SUPPORT=y - -# -# Tracers -# -# CONFIG_FUNCTION_TRACER is not set -# CONFIG_IRQSOFF_TRACER is not set -# CONFIG_SYSPROF_TRACER is not set -# CONFIG_SCHED_TRACER is not set -# CONFIG_CONTEXT_SWITCH_TRACER is not set -# CONFIG_EVENT_TRACER is not set -# CONFIG_FTRACE_SYSCALLS is not set -# CONFIG_BOOT_TRACER is not set -# CONFIG_TRACE_BRANCH_PROFILING is not set -# CONFIG_POWER_TRACER is not set -# CONFIG_STACK_TRACER is not set -# CONFIG_HW_BRANCH_TRACER is not set -# CONFIG_KMEMTRACE is not set -# CONFIG_WORKQUEUE_TRACER is not set CONFIG_BLK_DEV_IO_TRACE=y -# CONFIG_FTRACE_STARTUP_TEST is not set -# CONFIG_MMIOTRACE is not set CONFIG_PROVIDE_OHCI1394_DMA_INIT=y -# CONFIG_DYNAMIC_DEBUG is not set -# CONFIG_DMA_API_DEBUG is not set -# CONFIG_SAMPLES is not set -CONFIG_HAVE_ARCH_KGDB=y -# CONFIG_KGDB is not set -# CONFIG_STRICT_DEVMEM is not set -CONFIG_X86_VERBOSE_BOOTUP=y -CONFIG_EARLY_PRINTK=y CONFIG_EARLY_PRINTK_DBGP=y CONFIG_DEBUG_STACKOVERFLOW=y CONFIG_DEBUG_STACK_USAGE=y -# CONFIG_DEBUG_PER_CPU_MAPS is not set -# CONFIG_X86_PTDUMP is not set -CONFIG_DEBUG_RODATA=y # CONFIG_DEBUG_RODATA_TEST is not set CONFIG_DEBUG_NX_TEST=m -# CONFIG_4KSTACKS is not set -CONFIG_DOUBLEFAULT=y -CONFIG_HAVE_MMIOTRACE_SUPPORT=y -CONFIG_IO_DELAY_TYPE_0X80=0 -CONFIG_IO_DELAY_TYPE_0XED=1 -CONFIG_IO_DELAY_TYPE_UDELAY=2 -CONFIG_IO_DELAY_TYPE_NONE=3 -CONFIG_IO_DELAY_0X80=y -# CONFIG_IO_DELAY_0XED is not set -# CONFIG_IO_DELAY_UDELAY is not set -# CONFIG_IO_DELAY_NONE is not set -CONFIG_DEFAULT_IO_DELAY_TYPE=0 CONFIG_DEBUG_BOOT_PARAMS=y -# CONFIG_CPA_DEBUG is not set CONFIG_OPTIMIZE_INLINING=y - -# -# Security options -# -CONFIG_KEYS=y CONFIG_KEYS_DEBUG_PROC_KEYS=y CONFIG_SECURITY=y -# CONFIG_SECURITYFS is not set CONFIG_SECURITY_NETWORK=y -# CONFIG_SECURITY_NETWORK_XFRM is not set -# CONFIG_SECURITY_PATH is not set -CONFIG_SECURITY_FILE_CAPABILITIES=y -# CONFIG_SECURITY_ROOTPLUG is not set -CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=65536 CONFIG_SECURITY_SELINUX=y CONFIG_SECURITY_SELINUX_BOOTPARAM=y -CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=1 CONFIG_SECURITY_SELINUX_DISABLE=y -CONFIG_SECURITY_SELINUX_DEVELOP=y -CONFIG_SECURITY_SELINUX_AVC_STATS=y -CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1 -# CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX is not set -# CONFIG_SECURITY_SMACK is not set -# CONFIG_SECURITY_TOMOYO is not set -# CONFIG_IMA is not set -CONFIG_CRYPTO=y - -# -# Crypto core or helper -# -# CONFIG_CRYPTO_FIPS is not set -CONFIG_CRYPTO_ALGAPI=y -CONFIG_CRYPTO_ALGAPI2=y -CONFIG_CRYPTO_AEAD=y -CONFIG_CRYPTO_AEAD2=y -CONFIG_CRYPTO_BLKCIPHER=y -CONFIG_CRYPTO_BLKCIPHER2=y -CONFIG_CRYPTO_HASH=y -CONFIG_CRYPTO_HASH2=y -CONFIG_CRYPTO_RNG2=y -CONFIG_CRYPTO_PCOMP=y -CONFIG_CRYPTO_MANAGER=y -CONFIG_CRYPTO_MANAGER2=y -# CONFIG_CRYPTO_GF128MUL is not set -# CONFIG_CRYPTO_NULL is not set -CONFIG_CRYPTO_WORKQUEUE=y -# CONFIG_CRYPTO_CRYPTD is not set -CONFIG_CRYPTO_AUTHENC=y -# CONFIG_CRYPTO_TEST is not set - -# -# Authenticated Encryption with Associated Data -# -# CONFIG_CRYPTO_CCM is not set -# CONFIG_CRYPTO_GCM is not set -# CONFIG_CRYPTO_SEQIV is not set - -# -# Block modes -# -CONFIG_CRYPTO_CBC=y -# CONFIG_CRYPTO_CTR is not set -# CONFIG_CRYPTO_CTS is not set -CONFIG_CRYPTO_ECB=y -# CONFIG_CRYPTO_LRW is not set -# CONFIG_CRYPTO_PCBC is not set -# CONFIG_CRYPTO_XTS is not set - -# -# Hash modes -# -CONFIG_CRYPTO_HMAC=y -# CONFIG_CRYPTO_XCBC is not set - -# -# Digest -# -# CONFIG_CRYPTO_CRC32C is not set -# CONFIG_CRYPTO_CRC32C_INTEL is not set -# CONFIG_CRYPTO_MD4 is not set -CONFIG_CRYPTO_MD5=y -# CONFIG_CRYPTO_MICHAEL_MIC is not set -# CONFIG_CRYPTO_RMD128 is not set -# CONFIG_CRYPTO_RMD160 is not set -# CONFIG_CRYPTO_RMD256 is not set -# CONFIG_CRYPTO_RMD320 is not set -CONFIG_CRYPTO_SHA1=y -# CONFIG_CRYPTO_SHA256 is not set -# CONFIG_CRYPTO_SHA512 is not set -# CONFIG_CRYPTO_TGR192 is not set -# CONFIG_CRYPTO_WP512 is not set - -# -# Ciphers -# -CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_AES_586=y -# CONFIG_CRYPTO_ANUBIS is not set -CONFIG_CRYPTO_ARC4=y -# CONFIG_CRYPTO_BLOWFISH is not set -# CONFIG_CRYPTO_CAMELLIA is not set -# CONFIG_CRYPTO_CAST5 is not set -# CONFIG_CRYPTO_CAST6 is not set -CONFIG_CRYPTO_DES=y -# CONFIG_CRYPTO_FCRYPT is not set -# CONFIG_CRYPTO_KHAZAD is not set -# CONFIG_CRYPTO_SALSA20 is not set -# CONFIG_CRYPTO_SALSA20_586 is not set -# CONFIG_CRYPTO_SEED is not set -# CONFIG_CRYPTO_SERPENT is not set -# CONFIG_CRYPTO_TEA is not set -# CONFIG_CRYPTO_TWOFISH is not set -# CONFIG_CRYPTO_TWOFISH_586 is not set - -# -# Compression -# -# CONFIG_CRYPTO_DEFLATE is not set -# CONFIG_CRYPTO_ZLIB is not set -# CONFIG_CRYPTO_LZO is not set - -# -# Random Number Generation -# # CONFIG_CRYPTO_ANSI_CPRNG is not set -CONFIG_CRYPTO_HW=y -# CONFIG_CRYPTO_DEV_PADLOCK is not set -# CONFIG_CRYPTO_DEV_GEODE is not set -# CONFIG_CRYPTO_DEV_HIFN_795X is not set -CONFIG_HAVE_KVM=y -CONFIG_HAVE_KVM_IRQCHIP=y -CONFIG_VIRTUALIZATION=y -# CONFIG_KVM is not set -# CONFIG_LGUEST is not set -# CONFIG_VIRTIO_PCI is not set -# CONFIG_VIRTIO_BALLOON is not set -CONFIG_BINARY_PRINTF=y - -# -# Library routines -# -CONFIG_BITREVERSE=y -CONFIG_GENERIC_FIND_FIRST_BIT=y -CONFIG_GENERIC_FIND_NEXT_BIT=y -CONFIG_GENERIC_FIND_LAST_BIT=y -# CONFIG_CRC_CCITT is not set -# CONFIG_CRC16 is not set CONFIG_CRC_T10DIF=y -# CONFIG_CRC_ITU_T is not set -CONFIG_CRC32=y -# CONFIG_CRC7 is not set -# CONFIG_LIBCRC32C is not set -CONFIG_AUDIT_GENERIC=y -CONFIG_ZLIB_INFLATE=y -CONFIG_DECOMPRESS_GZIP=y -CONFIG_DECOMPRESS_BZIP2=y -CONFIG_DECOMPRESS_LZMA=y -CONFIG_HAS_IOMEM=y -CONFIG_HAS_IOPORT=y -CONFIG_HAS_DMA=y -CONFIG_NLATTR=y diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig index 6c86acd847a..ee01a9d5d4f 100644 --- a/arch/x86/configs/x86_64_defconfig +++ b/arch/x86/configs/x86_64_defconfig @@ -1,519 +1,89 @@ -# -# Automatically generated make config: don't edit -# Linux kernel version: 2.6.30-rc2 -# Mon May 11 16:22:00 2009 -# CONFIG_64BIT=y -# CONFIG_X86_32 is not set -CONFIG_X86_64=y -CONFIG_X86=y -CONFIG_OUTPUT_FORMAT="elf64-x86-64" -CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig" -CONFIG_GENERIC_TIME=y -CONFIG_GENERIC_CMOS_UPDATE=y -CONFIG_CLOCKSOURCE_WATCHDOG=y -CONFIG_GENERIC_CLOCKEVENTS=y -CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y -CONFIG_LOCKDEP_SUPPORT=y -CONFIG_STACKTRACE_SUPPORT=y -CONFIG_HAVE_LATENCYTOP_SUPPORT=y -CONFIG_FAST_CMPXCHG_LOCAL=y -CONFIG_MMU=y -CONFIG_ZONE_DMA=y -CONFIG_GENERIC_ISA_DMA=y -CONFIG_GENERIC_IOMAP=y -CONFIG_GENERIC_BUG=y -CONFIG_GENERIC_BUG_RELATIVE_POINTERS=y -CONFIG_GENERIC_HWEIGHT=y -CONFIG_ARCH_MAY_HAVE_PC_FDC=y -CONFIG_RWSEM_GENERIC_SPINLOCK=y -# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set -CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y -CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_GENERIC_TIME_VSYSCALL=y -CONFIG_ARCH_HAS_CPU_RELAX=y -CONFIG_ARCH_HAS_DEFAULT_IDLE=y -CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y -CONFIG_HAVE_SETUP_PER_CPU_AREA=y -CONFIG_HAVE_DYNAMIC_PER_CPU_AREA=y -CONFIG_HAVE_CPUMASK_OF_CPU_MAP=y -CONFIG_ARCH_HIBERNATION_POSSIBLE=y -CONFIG_ARCH_SUSPEND_POSSIBLE=y -CONFIG_ZONE_DMA32=y -CONFIG_ARCH_POPULATES_NODE_MAP=y -CONFIG_AUDIT_ARCH=y -CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y -CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y -CONFIG_GENERIC_HARDIRQS=y -CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y -CONFIG_GENERIC_IRQ_PROBE=y -CONFIG_GENERIC_PENDING_IRQ=y -CONFIG_USE_GENERIC_SMP_HELPERS=y -CONFIG_X86_64_SMP=y -CONFIG_X86_HT=y -CONFIG_X86_TRAMPOLINE=y -# CONFIG_KTIME_SCALAR is not set -CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" - -# -# General setup -# CONFIG_EXPERIMENTAL=y -CONFIG_LOCK_KERNEL=y -CONFIG_INIT_ENV_ARG_LIMIT=32 -CONFIG_LOCALVERSION="" # CONFIG_LOCALVERSION_AUTO is not set -CONFIG_HAVE_KERNEL_GZIP=y -CONFIG_HAVE_KERNEL_BZIP2=y -CONFIG_HAVE_KERNEL_LZMA=y -CONFIG_KERNEL_GZIP=y -# CONFIG_KERNEL_BZIP2 is not set -# CONFIG_KERNEL_LZMA is not set -CONFIG_SWAP=y CONFIG_SYSVIPC=y -CONFIG_SYSVIPC_SYSCTL=y CONFIG_POSIX_MQUEUE=y -CONFIG_POSIX_MQUEUE_SYSCTL=y CONFIG_BSD_PROCESS_ACCT=y -# CONFIG_BSD_PROCESS_ACCT_V3 is not set CONFIG_TASKSTATS=y CONFIG_TASK_DELAY_ACCT=y CONFIG_TASK_XACCT=y CONFIG_TASK_IO_ACCOUNTING=y CONFIG_AUDIT=y -CONFIG_AUDITSYSCALL=y -CONFIG_AUDIT_TREE=y - -# -# RCU Subsystem -# -# CONFIG_CLASSIC_RCU is not set -CONFIG_TREE_RCU=y -# CONFIG_PREEMPT_RCU is not set -# CONFIG_RCU_TRACE is not set -CONFIG_RCU_FANOUT=64 -# CONFIG_RCU_FANOUT_EXACT is not set -# CONFIG_TREE_RCU_TRACE is not set -# CONFIG_PREEMPT_RCU_TRACE is not set -# CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=18 -CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y -CONFIG_GROUP_SCHED=y -CONFIG_FAIR_GROUP_SCHED=y -# CONFIG_RT_GROUP_SCHED is not set -# CONFIG_USER_SCHED is not set -CONFIG_CGROUP_SCHED=y CONFIG_CGROUPS=y -# CONFIG_CGROUP_DEBUG is not set CONFIG_CGROUP_NS=y CONFIG_CGROUP_FREEZER=y -# CONFIG_CGROUP_DEVICE is not set CONFIG_CPUSETS=y -CONFIG_PROC_PID_CPUSET=y CONFIG_CGROUP_CPUACCT=y CONFIG_RESOURCE_COUNTERS=y -# CONFIG_CGROUP_MEM_RES_CTLR is not set -# CONFIG_SYSFS_DEPRECATED_V2 is not set -CONFIG_RELAY=y -CONFIG_NAMESPACES=y +CONFIG_CGROUP_SCHED=y CONFIG_UTS_NS=y CONFIG_IPC_NS=y CONFIG_USER_NS=y CONFIG_PID_NS=y CONFIG_NET_NS=y CONFIG_BLK_DEV_INITRD=y -CONFIG_INITRAMFS_SOURCE="" -CONFIG_RD_GZIP=y -CONFIG_RD_BZIP2=y -CONFIG_RD_LZMA=y -CONFIG_CC_OPTIMIZE_FOR_SIZE=y -CONFIG_SYSCTL=y -CONFIG_ANON_INODES=y -# CONFIG_EMBEDDED is not set -CONFIG_UID16=y -CONFIG_SYSCTL_SYSCALL=y -CONFIG_KALLSYMS=y -CONFIG_KALLSYMS_ALL=y CONFIG_KALLSYMS_EXTRA_PASS=y -# CONFIG_STRIP_ASM_SYMS is not set -CONFIG_HOTPLUG=y -CONFIG_PRINTK=y -CONFIG_BUG=y -CONFIG_ELF_CORE=y -CONFIG_PCSPKR_PLATFORM=y -CONFIG_BASE_FULL=y -CONFIG_FUTEX=y -CONFIG_EPOLL=y -CONFIG_SIGNALFD=y -CONFIG_TIMERFD=y -CONFIG_EVENTFD=y -CONFIG_SHMEM=y -CONFIG_AIO=y -CONFIG_VM_EVENT_COUNTERS=y -CONFIG_PCI_QUIRKS=y -CONFIG_SLUB_DEBUG=y # CONFIG_COMPAT_BRK is not set -# CONFIG_SLAB is not set -CONFIG_SLUB=y -# CONFIG_SLOB is not set CONFIG_PROFILING=y -CONFIG_TRACEPOINTS=y -CONFIG_MARKERS=y -# CONFIG_OPROFILE is not set -CONFIG_HAVE_OPROFILE=y CONFIG_KPROBES=y -CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y -CONFIG_KRETPROBES=y -CONFIG_HAVE_IOREMAP_PROT=y -CONFIG_HAVE_KPROBES=y -CONFIG_HAVE_KRETPROBES=y -CONFIG_HAVE_ARCH_TRACEHOOK=y -CONFIG_HAVE_DMA_API_DEBUG=y -# CONFIG_SLOW_WORK is not set -# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set -CONFIG_SLABINFO=y -CONFIG_RT_MUTEXES=y -CONFIG_BASE_SMALL=0 CONFIG_MODULES=y -# CONFIG_MODULE_FORCE_LOAD is not set CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y -# CONFIG_MODVERSIONS is not set -# CONFIG_MODULE_SRCVERSION_ALL is not set -CONFIG_STOP_MACHINE=y -CONFIG_BLOCK=y -CONFIG_BLK_DEV_BSG=y -# CONFIG_BLK_DEV_INTEGRITY is not set -CONFIG_BLOCK_COMPAT=y - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_DEFAULT_AS is not set -# CONFIG_DEFAULT_DEADLINE is not set -CONFIG_DEFAULT_CFQ=y -# CONFIG_DEFAULT_NOOP is not set -CONFIG_DEFAULT_IOSCHED="cfq" -CONFIG_FREEZER=y - -# -# Processor type and features -# -CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y -CONFIG_GENERIC_CLOCKEVENTS_BUILD=y CONFIG_SMP=y CONFIG_SPARSE_IRQ=y -CONFIG_X86_MPPARSE=y -CONFIG_X86_EXTENDED_PLATFORM=y -# CONFIG_X86_VSMP is not set -# CONFIG_X86_UV is not set -CONFIG_SCHED_OMIT_FRAME_POINTER=y -# CONFIG_PARAVIRT_GUEST is not set -# CONFIG_MEMTEST is not set -# CONFIG_M386 is not set -# CONFIG_M486 is not set -# CONFIG_M586 is not set -# CONFIG_M586TSC is not set -# CONFIG_M586MMX is not set -# CONFIG_M686 is not set -# CONFIG_MPENTIUMII is not set -# CONFIG_MPENTIUMIII is not set -# CONFIG_MPENTIUMM is not set -# CONFIG_MPENTIUM4 is not set -# CONFIG_MK6 is not set -# CONFIG_MK7 is not set -# CONFIG_MK8 is not set -# CONFIG_MCRUSOE is not set -# CONFIG_MEFFICEON is not set -# CONFIG_MWINCHIPC6 is not set -# CONFIG_MWINCHIP3D is not set -# CONFIG_MGEODEGX1 is not set -# CONFIG_MGEODE_LX is not set -# CONFIG_MCYRIXIII is not set -# CONFIG_MVIAC3_2 is not set -# CONFIG_MVIAC7 is not set -# CONFIG_MPSC is not set -# CONFIG_MCORE2 is not set -CONFIG_GENERIC_CPU=y -CONFIG_X86_CPU=y -CONFIG_X86_L1_CACHE_BYTES=64 -CONFIG_X86_INTERNODE_CACHE_BYTES=64 -CONFIG_X86_CMPXCHG=y -CONFIG_X86_L1_CACHE_SHIFT=6 -CONFIG_X86_WP_WORKS_OK=y -CONFIG_X86_TSC=y -CONFIG_X86_CMPXCHG64=y -CONFIG_X86_CMOV=y -CONFIG_X86_MINIMUM_CPU_FAMILY=64 -CONFIG_X86_DEBUGCTLMSR=y -CONFIG_CPU_SUP_INTEL=y -CONFIG_CPU_SUP_AMD=y -CONFIG_CPU_SUP_CENTAUR=y -CONFIG_X86_DS=y -CONFIG_X86_PTRACE_BTS=y -CONFIG_HPET_TIMER=y -CONFIG_HPET_EMULATE_RTC=y -CONFIG_DMI=y -CONFIG_GART_IOMMU=y CONFIG_CALGARY_IOMMU=y -CONFIG_CALGARY_IOMMU_ENABLED_BY_DEFAULT=y CONFIG_AMD_IOMMU=y CONFIG_AMD_IOMMU_STATS=y -CONFIG_SWIOTLB=y -CONFIG_IOMMU_HELPER=y -CONFIG_IOMMU_API=y -# CONFIG_MAXSMP is not set CONFIG_NR_CPUS=64 CONFIG_SCHED_SMT=y -CONFIG_SCHED_MC=y -# CONFIG_PREEMPT_NONE is not set CONFIG_PREEMPT_VOLUNTARY=y -# CONFIG_PREEMPT is not set -CONFIG_X86_LOCAL_APIC=y -CONFIG_X86_IO_APIC=y CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y CONFIG_X86_MCE=y -CONFIG_X86_MCE_INTEL=y -CONFIG_X86_MCE_AMD=y -CONFIG_X86_MCE_THRESHOLD=y -# CONFIG_I8K is not set CONFIG_MICROCODE=y -CONFIG_MICROCODE_INTEL=y CONFIG_MICROCODE_AMD=y -CONFIG_MICROCODE_OLD_INTERFACE=y CONFIG_X86_MSR=y CONFIG_X86_CPUID=y -# CONFIG_X86_CPU_DEBUG is not set -CONFIG_ARCH_PHYS_ADDR_T_64BIT=y -CONFIG_DIRECT_GBPAGES=y CONFIG_NUMA=y -CONFIG_K8_NUMA=y -CONFIG_X86_64_ACPI_NUMA=y -CONFIG_NODES_SPAN_OTHER_NODES=y -# CONFIG_NUMA_EMU is not set -CONFIG_NODES_SHIFT=6 -CONFIG_ARCH_SPARSEMEM_DEFAULT=y -CONFIG_ARCH_SPARSEMEM_ENABLE=y -CONFIG_ARCH_SELECT_MEMORY_MODEL=y -CONFIG_SELECT_MEMORY_MODEL=y -# CONFIG_FLATMEM_MANUAL is not set -# CONFIG_DISCONTIGMEM_MANUAL is not set -CONFIG_SPARSEMEM_MANUAL=y -CONFIG_SPARSEMEM=y -CONFIG_NEED_MULTIPLE_NODES=y -CONFIG_HAVE_MEMORY_PRESENT=y -CONFIG_SPARSEMEM_EXTREME=y -CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y -CONFIG_SPARSEMEM_VMEMMAP=y - -# -# Memory hotplug is currently incompatible with Software Suspend -# -CONFIG_PAGEFLAGS_EXTENDED=y -CONFIG_SPLIT_PTLOCK_CPUS=4 -CONFIG_MIGRATION=y -CONFIG_PHYS_ADDR_T_64BIT=y -CONFIG_ZONE_DMA_FLAG=1 -CONFIG_BOUNCE=y -CONFIG_VIRT_TO_BUS=y -CONFIG_UNEVICTABLE_LRU=y -CONFIG_HAVE_MLOCK=y -CONFIG_HAVE_MLOCKED_PAGE_BIT=y CONFIG_X86_CHECK_BIOS_CORRUPTION=y -CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y -CONFIG_X86_RESERVE_LOW_64K=y -CONFIG_MTRR=y # CONFIG_MTRR_SANITIZER is not set -CONFIG_X86_PAT=y CONFIG_EFI=y -CONFIG_SECCOMP=y -# CONFIG_CC_STACKPROTECTOR is not set -# CONFIG_HZ_100 is not set -# CONFIG_HZ_250 is not set -# CONFIG_HZ_300 is not set CONFIG_HZ_1000=y -CONFIG_HZ=1000 -CONFIG_SCHED_HRTICK=y CONFIG_KEXEC=y CONFIG_CRASH_DUMP=y -# CONFIG_KEXEC_JUMP is not set -CONFIG_PHYSICAL_START=0x1000000 -CONFIG_RELOCATABLE=y -CONFIG_PHYSICAL_ALIGN=0x1000000 -CONFIG_HOTPLUG_CPU=y # CONFIG_COMPAT_VDSO is not set -# CONFIG_CMDLINE_BOOL is not set -CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y -CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y - -# -# Power management and ACPI options -# -CONFIG_ARCH_HIBERNATION_HEADER=y CONFIG_PM=y CONFIG_PM_DEBUG=y -# CONFIG_PM_VERBOSE is not set -CONFIG_CAN_PM_TRACE=y -CONFIG_PM_TRACE=y CONFIG_PM_TRACE_RTC=y -CONFIG_PM_SLEEP_SMP=y -CONFIG_PM_SLEEP=y -CONFIG_SUSPEND=y -# CONFIG_PM_TEST_SUSPEND is not set -CONFIG_SUSPEND_FREEZER=y CONFIG_HIBERNATION=y -CONFIG_PM_STD_PARTITION="" -CONFIG_ACPI=y -CONFIG_ACPI_SLEEP=y CONFIG_ACPI_PROCFS=y -CONFIG_ACPI_PROCFS_POWER=y -CONFIG_ACPI_SYSFS_POWER=y -CONFIG_ACPI_PROC_EVENT=y -CONFIG_ACPI_AC=y -CONFIG_ACPI_BATTERY=y -CONFIG_ACPI_BUTTON=y -CONFIG_ACPI_FAN=y CONFIG_ACPI_DOCK=y -CONFIG_ACPI_PROCESSOR=y -CONFIG_ACPI_HOTPLUG_CPU=y -CONFIG_ACPI_THERMAL=y -CONFIG_ACPI_NUMA=y -# CONFIG_ACPI_CUSTOM_DSDT is not set -CONFIG_ACPI_BLACKLIST_YEAR=0 -# CONFIG_ACPI_DEBUG is not set -# CONFIG_ACPI_PCI_SLOT is not set -CONFIG_X86_PM_TIMER=y -CONFIG_ACPI_CONTAINER=y -# CONFIG_ACPI_SBS is not set - -# -# CPU Frequency scaling -# CONFIG_CPU_FREQ=y -CONFIG_CPU_FREQ_TABLE=y CONFIG_CPU_FREQ_DEBUG=y # CONFIG_CPU_FREQ_STAT is not set -# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set -# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y -# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set -# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set CONFIG_CPU_FREQ_GOV_PERFORMANCE=y -# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set -CONFIG_CPU_FREQ_GOV_USERSPACE=y CONFIG_CPU_FREQ_GOV_ONDEMAND=y -# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set - -# -# CPUFreq processor drivers -# CONFIG_X86_ACPI_CPUFREQ=y -# CONFIG_X86_POWERNOW_K8 is not set -# CONFIG_X86_SPEEDSTEP_CENTRINO is not set -# CONFIG_X86_P4_CLOCKMOD is not set - -# -# shared options -# -# CONFIG_X86_SPEEDSTEP_LIB is not set -CONFIG_CPU_IDLE=y -CONFIG_CPU_IDLE_GOV_LADDER=y -CONFIG_CPU_IDLE_GOV_MENU=y - -# -# Memory power savings -# -# CONFIG_I7300_IDLE is not set - -# -# Bus options (PCI etc.) -# -CONFIG_PCI=y -CONFIG_PCI_DIRECT=y CONFIG_PCI_MMCONFIG=y -CONFIG_PCI_DOMAINS=y CONFIG_DMAR=y # CONFIG_DMAR_DEFAULT_ON is not set -CONFIG_DMAR_GFX_WA=y -CONFIG_DMAR_FLOPPY_WA=y -# CONFIG_INTR_REMAP is not set CONFIG_PCIEPORTBUS=y -# CONFIG_HOTPLUG_PCI_PCIE is not set -CONFIG_PCIEAER=y -# CONFIG_PCIEASPM is not set -CONFIG_ARCH_SUPPORTS_MSI=y -CONFIG_PCI_MSI=y -# CONFIG_PCI_LEGACY is not set -# CONFIG_PCI_DEBUG is not set -# CONFIG_PCI_STUB is not set -CONFIG_HT_IRQ=y -# CONFIG_PCI_IOV is not set -CONFIG_ISA_DMA_API=y -CONFIG_K8_NB=y CONFIG_PCCARD=y -# CONFIG_PCMCIA_DEBUG is not set -CONFIG_PCMCIA=y -CONFIG_PCMCIA_LOAD_CIS=y -CONFIG_PCMCIA_IOCTL=y -CONFIG_CARDBUS=y - -# -# PC-card bridges -# CONFIG_YENTA=y -CONFIG_YENTA_O2=y -CONFIG_YENTA_RICOH=y -CONFIG_YENTA_TI=y -CONFIG_YENTA_ENE_TUNE=y -CONFIG_YENTA_TOSHIBA=y -# CONFIG_PD6729 is not set -# CONFIG_I82092 is not set -CONFIG_PCCARD_NONSTATIC=y CONFIG_HOTPLUG_PCI=y -# CONFIG_HOTPLUG_PCI_FAKE is not set -# CONFIG_HOTPLUG_PCI_ACPI is not set -# CONFIG_HOTPLUG_PCI_CPCI is not set -# CONFIG_HOTPLUG_PCI_SHPC is not set - -# -# Executable file formats / Emulations -# -CONFIG_BINFMT_ELF=y -CONFIG_COMPAT_BINFMT_ELF=y CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y -# CONFIG_HAVE_AOUT is not set CONFIG_BINFMT_MISC=y CONFIG_IA32_EMULATION=y -# CONFIG_IA32_AOUT is not set -CONFIG_COMPAT=y -CONFIG_COMPAT_FOR_U64_ALIGNMENT=y -CONFIG_SYSVIPC_COMPAT=y CONFIG_NET=y - -# -# Networking options -# CONFIG_PACKET=y -CONFIG_PACKET_MMAP=y CONFIG_UNIX=y -CONFIG_XFRM=y CONFIG_XFRM_USER=y -# CONFIG_XFRM_SUB_POLICY is not set -# CONFIG_XFRM_MIGRATE is not set -# CONFIG_XFRM_STATISTICS is not set -# CONFIG_NET_KEY is not set CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_ADVANCED_ROUTER=y -CONFIG_ASK_IP_FIB_HASH=y -# CONFIG_IP_FIB_TRIE is not set -CONFIG_IP_FIB_HASH=y CONFIG_IP_MULTIPLE_TABLES=y CONFIG_IP_ROUTE_MULTIPATH=y CONFIG_IP_ROUTE_VERBOSE=y @@ -521,118 +91,46 @@ CONFIG_IP_PNP=y CONFIG_IP_PNP_DHCP=y CONFIG_IP_PNP_BOOTP=y CONFIG_IP_PNP_RARP=y -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set CONFIG_IP_MROUTE=y CONFIG_IP_PIMSM_V1=y CONFIG_IP_PIMSM_V2=y -# CONFIG_ARPD is not set CONFIG_SYN_COOKIES=y -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_XFRM_TUNNEL is not set -CONFIG_INET_TUNNEL=y # CONFIG_INET_XFRM_MODE_TRANSPORT is not set # CONFIG_INET_XFRM_MODE_TUNNEL is not set # CONFIG_INET_XFRM_MODE_BEET is not set -CONFIG_INET_LRO=y # CONFIG_INET_DIAG is not set CONFIG_TCP_CONG_ADVANCED=y # CONFIG_TCP_CONG_BIC is not set -CONFIG_TCP_CONG_CUBIC=y # CONFIG_TCP_CONG_WESTWOOD is not set # CONFIG_TCP_CONG_HTCP is not set -# CONFIG_TCP_CONG_HSTCP is not set -# CONFIG_TCP_CONG_HYBLA is not set -# CONFIG_TCP_CONG_VEGAS is not set -# CONFIG_TCP_CONG_SCALABLE is not set -# CONFIG_TCP_CONG_LP is not set -# CONFIG_TCP_CONG_VENO is not set -# CONFIG_TCP_CONG_YEAH is not set -# CONFIG_TCP_CONG_ILLINOIS is not set -# CONFIG_DEFAULT_BIC is not set -CONFIG_DEFAULT_CUBIC=y -# CONFIG_DEFAULT_HTCP is not set -# CONFIG_DEFAULT_VEGAS is not set -# CONFIG_DEFAULT_WESTWOOD is not set -# CONFIG_DEFAULT_RENO is not set -CONFIG_DEFAULT_TCP_CONG="cubic" CONFIG_TCP_MD5SIG=y CONFIG_IPV6=y -# CONFIG_IPV6_PRIVACY is not set -# CONFIG_IPV6_ROUTER_PREF is not set -# CONFIG_IPV6_OPTIMISTIC_DAD is not set CONFIG_INET6_AH=y CONFIG_INET6_ESP=y -# CONFIG_INET6_IPCOMP is not set -# CONFIG_IPV6_MIP6 is not set -# CONFIG_INET6_XFRM_TUNNEL is not set -# CONFIG_INET6_TUNNEL is not set -CONFIG_INET6_XFRM_MODE_TRANSPORT=y -CONFIG_INET6_XFRM_MODE_TUNNEL=y -CONFIG_INET6_XFRM_MODE_BEET=y -# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set -CONFIG_IPV6_SIT=y -CONFIG_IPV6_NDISC_NODETYPE=y -# CONFIG_IPV6_TUNNEL is not set -# CONFIG_IPV6_MULTIPLE_TABLES is not set -# CONFIG_IPV6_MROUTE is not set CONFIG_NETLABEL=y -CONFIG_NETWORK_SECMARK=y CONFIG_NETFILTER=y -# CONFIG_NETFILTER_DEBUG is not set # CONFIG_NETFILTER_ADVANCED is not set - -# -# Core Netfilter Configuration -# -CONFIG_NETFILTER_NETLINK=y -CONFIG_NETFILTER_NETLINK_LOG=y CONFIG_NF_CONNTRACK=y -CONFIG_NF_CONNTRACK_SECMARK=y CONFIG_NF_CONNTRACK_FTP=y CONFIG_NF_CONNTRACK_IRC=y CONFIG_NF_CONNTRACK_SIP=y CONFIG_NF_CT_NETLINK=y -CONFIG_NETFILTER_XTABLES=y CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y -CONFIG_NETFILTER_XT_TARGET_MARK=y CONFIG_NETFILTER_XT_TARGET_NFLOG=y CONFIG_NETFILTER_XT_TARGET_SECMARK=y CONFIG_NETFILTER_XT_TARGET_TCPMSS=y CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y -CONFIG_NETFILTER_XT_MATCH_MARK=y CONFIG_NETFILTER_XT_MATCH_POLICY=y CONFIG_NETFILTER_XT_MATCH_STATE=y -# CONFIG_IP_VS is not set - -# -# IP: Netfilter Configuration -# -CONFIG_NF_DEFRAG_IPV4=y CONFIG_NF_CONNTRACK_IPV4=y -CONFIG_NF_CONNTRACK_PROC_COMPAT=y CONFIG_IP_NF_IPTABLES=y CONFIG_IP_NF_FILTER=y CONFIG_IP_NF_TARGET_REJECT=y CONFIG_IP_NF_TARGET_LOG=y CONFIG_IP_NF_TARGET_ULOG=y CONFIG_NF_NAT=y -CONFIG_NF_NAT_NEEDED=y CONFIG_IP_NF_TARGET_MASQUERADE=y -CONFIG_NF_NAT_FTP=y -CONFIG_NF_NAT_IRC=y -# CONFIG_NF_NAT_TFTP is not set -# CONFIG_NF_NAT_AMANDA is not set -# CONFIG_NF_NAT_PPTP is not set -# CONFIG_NF_NAT_H323 is not set -CONFIG_NF_NAT_SIP=y CONFIG_IP_NF_MANGLE=y - -# -# IPv6: Netfilter Configuration -# CONFIG_NF_CONNTRACK_IPV6=y CONFIG_IP6_NF_IPTABLES=y CONFIG_IP6_NF_MATCH_IPV6HEADER=y @@ -640,1208 +138,111 @@ CONFIG_IP6_NF_TARGET_LOG=y CONFIG_IP6_NF_FILTER=y CONFIG_IP6_NF_TARGET_REJECT=y CONFIG_IP6_NF_MANGLE=y -# CONFIG_IP_DCCP is not set -# CONFIG_IP_SCTP is not set -# CONFIG_TIPC is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_NET_DSA is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -CONFIG_LLC=y -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set -# CONFIG_PHONET is not set CONFIG_NET_SCHED=y - -# -# Queueing/Scheduling -# -# CONFIG_NET_SCH_CBQ is not set -# CONFIG_NET_SCH_HTB is not set -# CONFIG_NET_SCH_HFSC is not set -# CONFIG_NET_SCH_PRIO is not set -# CONFIG_NET_SCH_MULTIQ is not set -# CONFIG_NET_SCH_RED is not set -# CONFIG_NET_SCH_SFQ is not set -# CONFIG_NET_SCH_TEQL is not set -# CONFIG_NET_SCH_TBF is not set -# CONFIG_NET_SCH_GRED is not set -# CONFIG_NET_SCH_DSMARK is not set -# CONFIG_NET_SCH_NETEM is not set -# CONFIG_NET_SCH_DRR is not set -# CONFIG_NET_SCH_INGRESS is not set - -# -# Classification -# -CONFIG_NET_CLS=y -# CONFIG_NET_CLS_BASIC is not set -# CONFIG_NET_CLS_TCINDEX is not set -# CONFIG_NET_CLS_ROUTE4 is not set -# CONFIG_NET_CLS_FW is not set -# CONFIG_NET_CLS_U32 is not set -# CONFIG_NET_CLS_RSVP is not set -# CONFIG_NET_CLS_RSVP6 is not set -# CONFIG_NET_CLS_FLOW is not set -# CONFIG_NET_CLS_CGROUP is not set CONFIG_NET_EMATCH=y -CONFIG_NET_EMATCH_STACK=32 -# CONFIG_NET_EMATCH_CMP is not set -# CONFIG_NET_EMATCH_NBYTE is not set -# CONFIG_NET_EMATCH_U32 is not set -# CONFIG_NET_EMATCH_META is not set -# CONFIG_NET_EMATCH_TEXT is not set CONFIG_NET_CLS_ACT=y -# CONFIG_NET_ACT_POLICE is not set -# CONFIG_NET_ACT_GACT is not set -# CONFIG_NET_ACT_MIRRED is not set -# CONFIG_NET_ACT_IPT is not set -# CONFIG_NET_ACT_NAT is not set -# CONFIG_NET_ACT_PEDIT is not set -# CONFIG_NET_ACT_SIMP is not set -# CONFIG_NET_ACT_SKBEDIT is not set -CONFIG_NET_SCH_FIFO=y -# CONFIG_DCB is not set - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -# CONFIG_NET_TCPPROBE is not set -# CONFIG_NET_DROP_MONITOR is not set CONFIG_HAMRADIO=y - -# -# Packet Radio protocols -# -# CONFIG_AX25 is not set -# CONFIG_CAN is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set -# CONFIG_AF_RXRPC is not set -CONFIG_FIB_RULES=y -CONFIG_WIRELESS=y CONFIG_CFG80211=y -# CONFIG_CFG80211_REG_DEBUG is not set -CONFIG_WIRELESS_OLD_REGULATORY=y -CONFIG_WIRELESS_EXT=y -CONFIG_WIRELESS_EXT_SYSFS=y -# CONFIG_LIB80211 is not set CONFIG_MAC80211=y - -# -# Rate control algorithm selection -# -CONFIG_MAC80211_RC_MINSTREL=y -# CONFIG_MAC80211_RC_DEFAULT_PID is not set -CONFIG_MAC80211_RC_DEFAULT_MINSTREL=y -CONFIG_MAC80211_RC_DEFAULT="minstrel" -# CONFIG_MAC80211_MESH is not set CONFIG_MAC80211_LEDS=y -# CONFIG_MAC80211_DEBUGFS is not set -# CONFIG_MAC80211_DEBUG_MENU is not set -# CONFIG_WIMAX is not set CONFIG_RFKILL=y -# CONFIG_RFKILL_INPUT is not set -CONFIG_RFKILL_LEDS=y -# CONFIG_NET_9P is not set - -# -# Device Drivers -# - -# -# Generic Driver Options -# CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" -CONFIG_STANDALONE=y -CONFIG_PREVENT_FIRMWARE_BUILD=y -CONFIG_FW_LOADER=y -CONFIG_FIRMWARE_IN_KERNEL=y -CONFIG_EXTRA_FIRMWARE="" -# CONFIG_DEBUG_DRIVER is not set CONFIG_DEBUG_DEVRES=y -# CONFIG_SYS_HYPERVISOR is not set CONFIG_CONNECTOR=y -CONFIG_PROC_EVENTS=y -# CONFIG_MTD is not set -# CONFIG_PARPORT is not set -CONFIG_PNP=y -CONFIG_PNP_DEBUG_MESSAGES=y - -# -# Protocols -# -CONFIG_PNPACPI=y -CONFIG_BLK_DEV=y -# CONFIG_BLK_DEV_FD is not set -# CONFIG_BLK_CPQ_DA is not set -# CONFIG_BLK_CPQ_CISS_DA is not set -# CONFIG_BLK_DEV_DAC960 is not set -# CONFIG_BLK_DEV_UMEM is not set -# CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=y -# CONFIG_BLK_DEV_CRYPTOLOOP is not set -# CONFIG_BLK_DEV_NBD is not set -# CONFIG_BLK_DEV_SX8 is not set -# CONFIG_BLK_DEV_UB is not set CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=16384 -# CONFIG_BLK_DEV_XIP is not set -# CONFIG_CDROM_PKTCDVD is not set -# CONFIG_ATA_OVER_ETH is not set -# CONFIG_BLK_DEV_HD is not set -CONFIG_MISC_DEVICES=y -# CONFIG_IBM_ASM is not set -# CONFIG_PHANTOM is not set -# CONFIG_SGI_IOC4 is not set -# CONFIG_TIFM_CORE is not set -# CONFIG_ICS932S401 is not set -# CONFIG_ENCLOSURE_SERVICES is not set -# CONFIG_HP_ILO is not set -# CONFIG_ISL29003 is not set -# CONFIG_C2PORT is not set - -# -# EEPROM support -# -# CONFIG_EEPROM_AT24 is not set -# CONFIG_EEPROM_LEGACY is not set -# CONFIG_EEPROM_93CX6 is not set -CONFIG_HAVE_IDE=y -# CONFIG_IDE is not set - -# -# SCSI device support -# -# CONFIG_RAID_ATTRS is not set -CONFIG_SCSI=y -CONFIG_SCSI_DMA=y -# CONFIG_SCSI_TGT is not set -# CONFIG_SCSI_NETLINK is not set -CONFIG_SCSI_PROC_FS=y - -# -# SCSI support type (disk, tape, CD-ROM) -# CONFIG_BLK_DEV_SD=y -# CONFIG_CHR_DEV_ST is not set -# CONFIG_CHR_DEV_OSST is not set CONFIG_BLK_DEV_SR=y CONFIG_BLK_DEV_SR_VENDOR=y CONFIG_CHR_DEV_SG=y -# CONFIG_CHR_DEV_SCH is not set - -# -# Some SCSI devices (e.g. CD jukebox) support multiple LUNs -# -# CONFIG_SCSI_MULTI_LUN is not set CONFIG_SCSI_CONSTANTS=y -# CONFIG_SCSI_LOGGING is not set -# CONFIG_SCSI_SCAN_ASYNC is not set -CONFIG_SCSI_WAIT_SCAN=m - -# -# SCSI Transports -# CONFIG_SCSI_SPI_ATTRS=y -# CONFIG_SCSI_FC_ATTRS is not set -# CONFIG_SCSI_ISCSI_ATTRS is not set -# CONFIG_SCSI_SAS_ATTRS is not set -# CONFIG_SCSI_SAS_LIBSAS is not set -# CONFIG_SCSI_SRP_ATTRS is not set # CONFIG_SCSI_LOWLEVEL is not set -# CONFIG_SCSI_LOWLEVEL_PCMCIA is not set -# CONFIG_SCSI_DH is not set -# CONFIG_SCSI_OSD_INITIATOR is not set CONFIG_ATA=y -# CONFIG_ATA_NONSTANDARD is not set -CONFIG_ATA_ACPI=y -CONFIG_SATA_PMP=y CONFIG_SATA_AHCI=y -# CONFIG_SATA_SIL24 is not set -CONFIG_ATA_SFF=y -# CONFIG_SATA_SVW is not set CONFIG_ATA_PIIX=y -# CONFIG_SATA_MV is not set -# CONFIG_SATA_NV is not set -# CONFIG_PDC_ADMA is not set -# CONFIG_SATA_QSTOR is not set -# CONFIG_SATA_PROMISE is not set -# CONFIG_SATA_SX4 is not set -# CONFIG_SATA_SIL is not set -# CONFIG_SATA_SIS is not set -# CONFIG_SATA_ULI is not set -# CONFIG_SATA_VIA is not set -# CONFIG_SATA_VITESSE is not set -# CONFIG_SATA_INIC162X is not set -# CONFIG_PATA_ACPI is not set -# CONFIG_PATA_ALI is not set CONFIG_PATA_AMD=y -# CONFIG_PATA_ARTOP is not set -# CONFIG_PATA_ATIIXP is not set -# CONFIG_PATA_CMD640_PCI is not set -# CONFIG_PATA_CMD64X is not set -# CONFIG_PATA_CS5520 is not set -# CONFIG_PATA_CS5530 is not set -# CONFIG_PATA_CYPRESS is not set -# CONFIG_PATA_EFAR is not set -# CONFIG_ATA_GENERIC is not set -# CONFIG_PATA_HPT366 is not set -# CONFIG_PATA_HPT37X is not set -# CONFIG_PATA_HPT3X2N is not set -# CONFIG_PATA_HPT3X3 is not set -# CONFIG_PATA_IT821X is not set -# CONFIG_PATA_IT8213 is not set -# CONFIG_PATA_JMICRON is not set -# CONFIG_PATA_TRIFLEX is not set -# CONFIG_PATA_MARVELL is not set -# CONFIG_PATA_MPIIX is not set CONFIG_PATA_OLDPIIX=y -# CONFIG_PATA_NETCELL is not set -# CONFIG_PATA_NINJA32 is not set -# CONFIG_PATA_NS87410 is not set -# CONFIG_PATA_NS87415 is not set -# CONFIG_PATA_OPTI is not set -# CONFIG_PATA_OPTIDMA is not set -# CONFIG_PATA_PCMCIA is not set -# CONFIG_PATA_PDC_OLD is not set -# CONFIG_PATA_RADISYS is not set -# CONFIG_PATA_RZ1000 is not set -# CONFIG_PATA_SC1200 is not set -# CONFIG_PATA_SERVERWORKS is not set -# CONFIG_PATA_PDC2027X is not set -# CONFIG_PATA_SIL680 is not set -# CONFIG_PATA_SIS is not set -# CONFIG_PATA_VIA is not set -# CONFIG_PATA_WINBOND is not set CONFIG_PATA_SCH=y CONFIG_MD=y CONFIG_BLK_DEV_MD=y -CONFIG_MD_AUTODETECT=y -# CONFIG_MD_LINEAR is not set -# CONFIG_MD_RAID0 is not set -# CONFIG_MD_RAID1 is not set -# CONFIG_MD_RAID10 is not set -# CONFIG_MD_RAID456 is not set -# CONFIG_MD_MULTIPATH is not set -# CONFIG_MD_FAULTY is not set CONFIG_BLK_DEV_DM=y -# CONFIG_DM_DEBUG is not set -# CONFIG_DM_CRYPT is not set -# CONFIG_DM_SNAPSHOT is not set CONFIG_DM_MIRROR=y CONFIG_DM_ZERO=y -# CONFIG_DM_MULTIPATH is not set -# CONFIG_DM_DELAY is not set -# CONFIG_DM_UEVENT is not set -# CONFIG_FUSION is not set - -# -# IEEE 1394 (FireWire) support -# - -# -# Enable only one of the two stacks, unless you know what you are doing -# -# CONFIG_FIREWIRE is not set -# CONFIG_IEEE1394 is not set -# CONFIG_I2O is not set CONFIG_MACINTOSH_DRIVERS=y CONFIG_MAC_EMUMOUSEBTN=y CONFIG_NETDEVICES=y -CONFIG_COMPAT_NET_DEV_OPS=y -# CONFIG_IFB is not set -# CONFIG_DUMMY is not set -# CONFIG_BONDING is not set -# CONFIG_MACVLAN is not set -# CONFIG_EQUALIZER is not set -# CONFIG_TUN is not set -# CONFIG_VETH is not set -# CONFIG_NET_SB1000 is not set -# CONFIG_ARCNET is not set -CONFIG_PHYLIB=y - -# -# MII PHY device drivers -# -# CONFIG_MARVELL_PHY is not set -# CONFIG_DAVICOM_PHY is not set -# CONFIG_QSEMI_PHY is not set -# CONFIG_LXT_PHY is not set -# CONFIG_CICADA_PHY is not set -# CONFIG_VITESSE_PHY is not set -# CONFIG_SMSC_PHY is not set -# CONFIG_BROADCOM_PHY is not set -# CONFIG_ICPLUS_PHY is not set -# CONFIG_REALTEK_PHY is not set -# CONFIG_NATIONAL_PHY is not set -# CONFIG_STE10XP is not set -# CONFIG_LSI_ET1011C_PHY is not set -# CONFIG_FIXED_PHY is not set -# CONFIG_MDIO_BITBANG is not set CONFIG_NET_ETHERNET=y -CONFIG_MII=y -# CONFIG_HAPPYMEAL is not set -# CONFIG_SUNGEM is not set -# CONFIG_CASSINI is not set CONFIG_NET_VENDOR_3COM=y -# CONFIG_VORTEX is not set -# CONFIG_TYPHOON is not set -# CONFIG_ETHOC is not set -# CONFIG_DNET is not set CONFIG_NET_TULIP=y -# CONFIG_DE2104X is not set -# CONFIG_TULIP is not set -# CONFIG_DE4X5 is not set -# CONFIG_WINBOND_840 is not set -# CONFIG_DM9102 is not set -# CONFIG_ULI526X is not set -# CONFIG_PCMCIA_XIRCOM is not set -# CONFIG_HP100 is not set -# CONFIG_IBM_NEW_EMAC_ZMII is not set -# CONFIG_IBM_NEW_EMAC_RGMII is not set -# CONFIG_IBM_NEW_EMAC_TAH is not set -# CONFIG_IBM_NEW_EMAC_EMAC4 is not set -# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set -# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set -# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set CONFIG_NET_PCI=y -# CONFIG_PCNET32 is not set -# CONFIG_AMD8111_ETH is not set -# CONFIG_ADAPTEC_STARFIRE is not set -# CONFIG_B44 is not set CONFIG_FORCEDETH=y -# CONFIG_FORCEDETH_NAPI is not set CONFIG_E100=y -# CONFIG_FEALNX is not set -# CONFIG_NATSEMI is not set -# CONFIG_NE2K_PCI is not set -# CONFIG_8139CP is not set CONFIG_8139TOO=y -CONFIG_8139TOO_PIO=y -# CONFIG_8139TOO_TUNE_TWISTER is not set -# CONFIG_8139TOO_8129 is not set -# CONFIG_8139_OLD_RX_RESET is not set -# CONFIG_R6040 is not set -# CONFIG_SIS900 is not set -# CONFIG_EPIC100 is not set -# CONFIG_SMSC9420 is not set -# CONFIG_SUNDANCE is not set -# CONFIG_TLAN is not set -# CONFIG_VIA_RHINE is not set -# CONFIG_SC92031 is not set -# CONFIG_ATL2 is not set -CONFIG_NETDEV_1000=y -# CONFIG_ACENIC is not set -# CONFIG_DL2K is not set CONFIG_E1000=y -# CONFIG_E1000E is not set -# CONFIG_IP1000 is not set -# CONFIG_IGB is not set -# CONFIG_IGBVF is not set -# CONFIG_NS83820 is not set -# CONFIG_HAMACHI is not set -# CONFIG_YELLOWFIN is not set -# CONFIG_R8169 is not set -# CONFIG_SIS190 is not set -# CONFIG_SKGE is not set CONFIG_SKY2=y -# CONFIG_SKY2_DEBUG is not set -# CONFIG_VIA_VELOCITY is not set CONFIG_TIGON3=y -# CONFIG_BNX2 is not set -# CONFIG_QLA3XXX is not set -# CONFIG_ATL1 is not set -# CONFIG_ATL1E is not set -# CONFIG_ATL1C is not set -# CONFIG_JME is not set -CONFIG_NETDEV_10000=y -# CONFIG_CHELSIO_T1 is not set -CONFIG_CHELSIO_T3_DEPENDS=y -# CONFIG_CHELSIO_T3 is not set -# CONFIG_ENIC is not set -# CONFIG_IXGBE is not set -# CONFIG_IXGB is not set -# CONFIG_S2IO is not set -# CONFIG_VXGE is not set -# CONFIG_MYRI10GE is not set -# CONFIG_NETXEN_NIC is not set -# CONFIG_NIU is not set -# CONFIG_MLX4_EN is not set -# CONFIG_MLX4_CORE is not set -# CONFIG_TEHUTI is not set -# CONFIG_BNX2X is not set -# CONFIG_QLGE is not set -# CONFIG_SFC is not set -# CONFIG_BE2NET is not set CONFIG_TR=y -# CONFIG_IBMOL is not set -# CONFIG_3C359 is not set -# CONFIG_TMS380TR is not set - -# -# Wireless LAN -# -# CONFIG_WLAN_PRE80211 is not set -CONFIG_WLAN_80211=y -# CONFIG_PCMCIA_RAYCS is not set -# CONFIG_LIBERTAS is not set -# CONFIG_LIBERTAS_THINFIRM is not set -# CONFIG_AIRO is not set -# CONFIG_ATMEL is not set -# CONFIG_AT76C50X_USB is not set -# CONFIG_AIRO_CS is not set -# CONFIG_PCMCIA_WL3501 is not set -# CONFIG_PRISM54 is not set -# CONFIG_USB_ZD1201 is not set -# CONFIG_USB_NET_RNDIS_WLAN is not set -# CONFIG_RTL8180 is not set -# CONFIG_RTL8187 is not set -# CONFIG_ADM8211 is not set -# CONFIG_MAC80211_HWSIM is not set -# CONFIG_MWL8K is not set -# CONFIG_P54_COMMON is not set -CONFIG_ATH5K=y -# CONFIG_ATH5K_DEBUG is not set -# CONFIG_ATH9K is not set -# CONFIG_AR9170_USB is not set -# CONFIG_IPW2100 is not set -# CONFIG_IPW2200 is not set -# CONFIG_IWLWIFI is not set -# CONFIG_HOSTAP is not set -# CONFIG_B43 is not set -# CONFIG_B43LEGACY is not set -# CONFIG_ZD1211RW is not set -# CONFIG_RT2X00 is not set -# CONFIG_HERMES is not set - -# -# Enable WiMAX (Networking options) to see the WiMAX drivers -# - -# -# USB Network Adapters -# -# CONFIG_USB_CATC is not set -# CONFIG_USB_KAWETH is not set -# CONFIG_USB_PEGASUS is not set -# CONFIG_USB_RTL8150 is not set -# CONFIG_USB_USBNET is not set -# CONFIG_USB_HSO is not set CONFIG_NET_PCMCIA=y -# CONFIG_PCMCIA_3C589 is not set -# CONFIG_PCMCIA_3C574 is not set -# CONFIG_PCMCIA_FMVJ18X is not set -# CONFIG_PCMCIA_PCNET is not set -# CONFIG_PCMCIA_NMCLAN is not set -# CONFIG_PCMCIA_SMC91C92 is not set -# CONFIG_PCMCIA_XIRC2PS is not set -# CONFIG_PCMCIA_AXNET is not set -# CONFIG_PCMCIA_IBMTR is not set -# CONFIG_WAN is not set CONFIG_FDDI=y -# CONFIG_DEFXX is not set -# CONFIG_SKFP is not set -# CONFIG_HIPPI is not set -# CONFIG_PPP is not set -# CONFIG_SLIP is not set -# CONFIG_NET_FC is not set CONFIG_NETCONSOLE=y -# CONFIG_NETCONSOLE_DYNAMIC is not set -CONFIG_NETPOLL=y -# CONFIG_NETPOLL_TRAP is not set -CONFIG_NET_POLL_CONTROLLER=y -# CONFIG_ISDN is not set -# CONFIG_PHONE is not set - -# -# Input device support -# -CONFIG_INPUT=y -CONFIG_INPUT_FF_MEMLESS=y CONFIG_INPUT_POLLDEV=y - -# -# Userland interfaces -# -CONFIG_INPUT_MOUSEDEV=y # CONFIG_INPUT_MOUSEDEV_PSAUX is not set -CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 -CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 -# CONFIG_INPUT_JOYDEV is not set CONFIG_INPUT_EVDEV=y -# CONFIG_INPUT_EVBUG is not set - -# -# Input Device Drivers -# -CONFIG_INPUT_KEYBOARD=y -CONFIG_KEYBOARD_ATKBD=y -# CONFIG_KEYBOARD_SUNKBD is not set -# CONFIG_KEYBOARD_LKKBD is not set -# CONFIG_KEYBOARD_XTKBD is not set -# CONFIG_KEYBOARD_NEWTON is not set -# CONFIG_KEYBOARD_STOWAWAY is not set -CONFIG_INPUT_MOUSE=y -CONFIG_MOUSE_PS2=y -CONFIG_MOUSE_PS2_ALPS=y -CONFIG_MOUSE_PS2_LOGIPS2PP=y -CONFIG_MOUSE_PS2_SYNAPTICS=y -CONFIG_MOUSE_PS2_LIFEBOOK=y -CONFIG_MOUSE_PS2_TRACKPOINT=y -# CONFIG_MOUSE_PS2_ELANTECH is not set -# CONFIG_MOUSE_PS2_TOUCHKIT is not set -# CONFIG_MOUSE_SERIAL is not set -# CONFIG_MOUSE_APPLETOUCH is not set -# CONFIG_MOUSE_BCM5974 is not set -# CONFIG_MOUSE_VSXXXAA is not set CONFIG_INPUT_JOYSTICK=y -# CONFIG_JOYSTICK_ANALOG is not set -# CONFIG_JOYSTICK_A3D is not set -# CONFIG_JOYSTICK_ADI is not set -# CONFIG_JOYSTICK_COBRA is not set -# CONFIG_JOYSTICK_GF2K is not set -# CONFIG_JOYSTICK_GRIP is not set -# CONFIG_JOYSTICK_GRIP_MP is not set -# CONFIG_JOYSTICK_GUILLEMOT is not set -# CONFIG_JOYSTICK_INTERACT is not set -# CONFIG_JOYSTICK_SIDEWINDER is not set -# CONFIG_JOYSTICK_TMDC is not set -# CONFIG_JOYSTICK_IFORCE is not set -# CONFIG_JOYSTICK_WARRIOR is not set -# CONFIG_JOYSTICK_MAGELLAN is not set -# CONFIG_JOYSTICK_SPACEORB is not set -# CONFIG_JOYSTICK_SPACEBALL is not set -# CONFIG_JOYSTICK_STINGER is not set -# CONFIG_JOYSTICK_TWIDJOY is not set -# CONFIG_JOYSTICK_ZHENHUA is not set -# CONFIG_JOYSTICK_JOYDUMP is not set -# CONFIG_JOYSTICK_XPAD is not set CONFIG_INPUT_TABLET=y -# CONFIG_TABLET_USB_ACECAD is not set -# CONFIG_TABLET_USB_AIPTEK is not set -# CONFIG_TABLET_USB_GTCO is not set -# CONFIG_TABLET_USB_KBTAB is not set -# CONFIG_TABLET_USB_WACOM is not set CONFIG_INPUT_TOUCHSCREEN=y -# CONFIG_TOUCHSCREEN_AD7879_I2C is not set -# CONFIG_TOUCHSCREEN_AD7879 is not set -# CONFIG_TOUCHSCREEN_FUJITSU is not set -# CONFIG_TOUCHSCREEN_GUNZE is not set -# CONFIG_TOUCHSCREEN_ELO is not set -# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set -# CONFIG_TOUCHSCREEN_MTOUCH is not set -# CONFIG_TOUCHSCREEN_INEXIO is not set -# CONFIG_TOUCHSCREEN_MK712 is not set -# CONFIG_TOUCHSCREEN_PENMOUNT is not set -# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set -# CONFIG_TOUCHSCREEN_TOUCHWIN is not set -# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set -# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set -# CONFIG_TOUCHSCREEN_TSC2007 is not set CONFIG_INPUT_MISC=y -# CONFIG_INPUT_PCSPKR is not set -# CONFIG_INPUT_APANEL is not set -# CONFIG_INPUT_ATLAS_BTNS is not set -# CONFIG_INPUT_ATI_REMOTE is not set -# CONFIG_INPUT_ATI_REMOTE2 is not set -# CONFIG_INPUT_KEYSPAN_REMOTE is not set -# CONFIG_INPUT_POWERMATE is not set -# CONFIG_INPUT_YEALINK is not set -# CONFIG_INPUT_CM109 is not set -# CONFIG_INPUT_UINPUT is not set - -# -# Hardware I/O ports -# -CONFIG_SERIO=y -CONFIG_SERIO_I8042=y -CONFIG_SERIO_SERPORT=y -# CONFIG_SERIO_CT82C710 is not set -# CONFIG_SERIO_PCIPS2 is not set -CONFIG_SERIO_LIBPS2=y -# CONFIG_SERIO_RAW is not set -# CONFIG_GAMEPORT is not set - -# -# Character devices -# -CONFIG_VT=y -CONFIG_CONSOLE_TRANSLATIONS=y -CONFIG_VT_CONSOLE=y -CONFIG_HW_CONSOLE=y CONFIG_VT_HW_CONSOLE_BINDING=y -CONFIG_DEVKMEM=y CONFIG_SERIAL_NONSTANDARD=y -# CONFIG_COMPUTONE is not set -# CONFIG_ROCKETPORT is not set -# CONFIG_CYCLADES is not set -# CONFIG_DIGIEPCA is not set -# CONFIG_MOXA_INTELLIO is not set -# CONFIG_MOXA_SMARTIO is not set -# CONFIG_ISI is not set -# CONFIG_SYNCLINK is not set -# CONFIG_SYNCLINKMP is not set -# CONFIG_SYNCLINK_GT is not set -# CONFIG_N_HDLC is not set -# CONFIG_RISCOM8 is not set -# CONFIG_SPECIALIX is not set -# CONFIG_SX is not set -# CONFIG_RIO is not set -# CONFIG_STALDRV is not set -# CONFIG_NOZOMI is not set - -# -# Serial drivers -# CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y -CONFIG_FIX_EARLYCON_MEM=y -CONFIG_SERIAL_8250_PCI=y -CONFIG_SERIAL_8250_PNP=y -# CONFIG_SERIAL_8250_CS is not set CONFIG_SERIAL_8250_NR_UARTS=32 -CONFIG_SERIAL_8250_RUNTIME_UARTS=4 CONFIG_SERIAL_8250_EXTENDED=y CONFIG_SERIAL_8250_MANY_PORTS=y CONFIG_SERIAL_8250_SHARE_IRQ=y CONFIG_SERIAL_8250_DETECT_IRQ=y CONFIG_SERIAL_8250_RSA=y - -# -# Non-8250 serial port support -# -CONFIG_SERIAL_CORE=y -CONFIG_SERIAL_CORE_CONSOLE=y -# CONFIG_SERIAL_JSM is not set -CONFIG_UNIX98_PTYS=y -# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set # CONFIG_LEGACY_PTYS is not set -# CONFIG_IPMI_HANDLER is not set CONFIG_HW_RANDOM=y -# CONFIG_HW_RANDOM_TIMERIOMEM is not set # CONFIG_HW_RANDOM_INTEL is not set # CONFIG_HW_RANDOM_AMD is not set CONFIG_NVRAM=y -# CONFIG_R3964 is not set -# CONFIG_APPLICOM is not set - -# -# PCMCIA character devices -# -# CONFIG_SYNCLINK_CS is not set -# CONFIG_CARDMAN_4000 is not set -# CONFIG_CARDMAN_4040 is not set -# CONFIG_IPWIRELESS is not set -# CONFIG_MWAVE is not set -# CONFIG_PC8736x_GPIO is not set -# CONFIG_RAW_DRIVER is not set CONFIG_HPET=y # CONFIG_HPET_MMAP is not set -# CONFIG_HANGCHECK_TIMER is not set -# CONFIG_TCG_TPM is not set -# CONFIG_TELCLOCK is not set -CONFIG_DEVPORT=y -CONFIG_I2C=y -CONFIG_I2C_BOARDINFO=y -# CONFIG_I2C_CHARDEV is not set -CONFIG_I2C_HELPER_AUTO=y -CONFIG_I2C_ALGOBIT=y - -# -# I2C Hardware Bus support -# - -# -# PC SMBus host controller drivers -# -# CONFIG_I2C_ALI1535 is not set -# CONFIG_I2C_ALI1563 is not set -# CONFIG_I2C_ALI15X3 is not set -# CONFIG_I2C_AMD756 is not set -# CONFIG_I2C_AMD8111 is not set CONFIG_I2C_I801=y -# CONFIG_I2C_ISCH is not set -# CONFIG_I2C_PIIX4 is not set -# CONFIG_I2C_NFORCE2 is not set -# CONFIG_I2C_SIS5595 is not set -# CONFIG_I2C_SIS630 is not set -# CONFIG_I2C_SIS96X is not set -# CONFIG_I2C_VIA is not set -# CONFIG_I2C_VIAPRO is not set - -# -# I2C system bus drivers (mostly embedded / system-on-chip) -# -# CONFIG_I2C_OCORES is not set -# CONFIG_I2C_SIMTEC is not set - -# -# External I2C/SMBus adapter drivers -# -# CONFIG_I2C_PARPORT_LIGHT is not set -# CONFIG_I2C_TAOS_EVM is not set -# CONFIG_I2C_TINY_USB is not set - -# -# Graphics adapter I2C/DDC channel drivers -# -# CONFIG_I2C_VOODOO3 is not set - -# -# Other I2C/SMBus bus drivers -# -# CONFIG_I2C_PCA_PLATFORM is not set -# CONFIG_I2C_STUB is not set - -# -# Miscellaneous I2C Chip support -# -# CONFIG_DS1682 is not set -# CONFIG_SENSORS_PCF8574 is not set -# CONFIG_PCF8575 is not set -# CONFIG_SENSORS_PCA9539 is not set -# CONFIG_SENSORS_MAX6875 is not set -# CONFIG_SENSORS_TSL2550 is not set -# CONFIG_I2C_DEBUG_CORE is not set -# CONFIG_I2C_DEBUG_ALGO is not set -# CONFIG_I2C_DEBUG_BUS is not set -# CONFIG_I2C_DEBUG_CHIP is not set -# CONFIG_SPI is not set -CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y -# CONFIG_GPIOLIB is not set -# CONFIG_W1 is not set -CONFIG_POWER_SUPPLY=y -# CONFIG_POWER_SUPPLY_DEBUG is not set -# CONFIG_PDA_POWER is not set -# CONFIG_BATTERY_DS2760 is not set -# CONFIG_BATTERY_BQ27x00 is not set -CONFIG_HWMON=y -# CONFIG_HWMON_VID is not set -# CONFIG_SENSORS_ABITUGURU is not set -# CONFIG_SENSORS_ABITUGURU3 is not set -# CONFIG_SENSORS_AD7414 is not set -# CONFIG_SENSORS_AD7418 is not set -# CONFIG_SENSORS_ADM1021 is not set -# CONFIG_SENSORS_ADM1025 is not set -# CONFIG_SENSORS_ADM1026 is not set -# CONFIG_SENSORS_ADM1029 is not set -# CONFIG_SENSORS_ADM1031 is not set -# CONFIG_SENSORS_ADM9240 is not set -# CONFIG_SENSORS_ADT7462 is not set -# CONFIG_SENSORS_ADT7470 is not set -# CONFIG_SENSORS_ADT7473 is not set -# CONFIG_SENSORS_ADT7475 is not set -# CONFIG_SENSORS_K8TEMP is not set -# CONFIG_SENSORS_ASB100 is not set -# CONFIG_SENSORS_ATK0110 is not set -# CONFIG_SENSORS_ATXP1 is not set -# CONFIG_SENSORS_DS1621 is not set -# CONFIG_SENSORS_I5K_AMB is not set -# CONFIG_SENSORS_F71805F is not set -# CONFIG_SENSORS_F71882FG is not set -# CONFIG_SENSORS_F75375S is not set -# CONFIG_SENSORS_FSCHER is not set -# CONFIG_SENSORS_FSCPOS is not set -# CONFIG_SENSORS_FSCHMD is not set -# CONFIG_SENSORS_G760A is not set -# CONFIG_SENSORS_GL518SM is not set -# CONFIG_SENSORS_GL520SM is not set -# CONFIG_SENSORS_CORETEMP is not set -# CONFIG_SENSORS_IT87 is not set -# CONFIG_SENSORS_LM63 is not set -# CONFIG_SENSORS_LM75 is not set -# CONFIG_SENSORS_LM77 is not set -# CONFIG_SENSORS_LM78 is not set -# CONFIG_SENSORS_LM80 is not set -# CONFIG_SENSORS_LM83 is not set -# CONFIG_SENSORS_LM85 is not set -# CONFIG_SENSORS_LM87 is not set -# CONFIG_SENSORS_LM90 is not set -# CONFIG_SENSORS_LM92 is not set -# CONFIG_SENSORS_LM93 is not set -# CONFIG_SENSORS_LTC4215 is not set -# CONFIG_SENSORS_LTC4245 is not set -# CONFIG_SENSORS_LM95241 is not set -# CONFIG_SENSORS_MAX1619 is not set -# CONFIG_SENSORS_MAX6650 is not set -# CONFIG_SENSORS_PC87360 is not set -# CONFIG_SENSORS_PC87427 is not set -# CONFIG_SENSORS_PCF8591 is not set -# CONFIG_SENSORS_SIS5595 is not set -# CONFIG_SENSORS_DME1737 is not set -# CONFIG_SENSORS_SMSC47M1 is not set -# CONFIG_SENSORS_SMSC47M192 is not set -# CONFIG_SENSORS_SMSC47B397 is not set -# CONFIG_SENSORS_ADS7828 is not set -# CONFIG_SENSORS_THMC50 is not set -# CONFIG_SENSORS_VIA686A is not set -# CONFIG_SENSORS_VT1211 is not set -# CONFIG_SENSORS_VT8231 is not set -# CONFIG_SENSORS_W83781D is not set -# CONFIG_SENSORS_W83791D is not set -# CONFIG_SENSORS_W83792D is not set -# CONFIG_SENSORS_W83793 is not set -# CONFIG_SENSORS_W83L785TS is not set -# CONFIG_SENSORS_W83L786NG is not set -# CONFIG_SENSORS_W83627HF is not set -# CONFIG_SENSORS_W83627EHF is not set -# CONFIG_SENSORS_HDAPS is not set -# CONFIG_SENSORS_LIS3LV02D is not set -# CONFIG_SENSORS_APPLESMC is not set -# CONFIG_HWMON_DEBUG_CHIP is not set -CONFIG_THERMAL=y -# CONFIG_THERMAL_HWMON is not set CONFIG_WATCHDOG=y -# CONFIG_WATCHDOG_NOWAYOUT is not set - -# -# Watchdog Device Drivers -# -# CONFIG_SOFT_WATCHDOG is not set -# CONFIG_ACQUIRE_WDT is not set -# CONFIG_ADVANTECH_WDT is not set -# CONFIG_ALIM1535_WDT is not set -# CONFIG_ALIM7101_WDT is not set -# CONFIG_SC520_WDT is not set -# CONFIG_EUROTECH_WDT is not set -# CONFIG_IB700_WDT is not set -# CONFIG_IBMASR is not set -# CONFIG_WAFER_WDT is not set -# CONFIG_I6300ESB_WDT is not set -# CONFIG_ITCO_WDT is not set -# CONFIG_IT8712F_WDT is not set -# CONFIG_IT87_WDT is not set -# CONFIG_HP_WATCHDOG is not set -# CONFIG_SC1200_WDT is not set -# CONFIG_PC87413_WDT is not set -# CONFIG_60XX_WDT is not set -# CONFIG_SBC8360_WDT is not set -# CONFIG_CPU5_WDT is not set -# CONFIG_SMSC_SCH311X_WDT is not set -# CONFIG_SMSC37B787_WDT is not set -# CONFIG_W83627HF_WDT is not set -# CONFIG_W83697HF_WDT is not set -# CONFIG_W83697UG_WDT is not set -# CONFIG_W83877F_WDT is not set -# CONFIG_W83977F_WDT is not set -# CONFIG_MACHZ_WDT is not set -# CONFIG_SBC_EPX_C3_WATCHDOG is not set - -# -# PCI-based Watchdog Cards -# -# CONFIG_PCIPCWATCHDOG is not set -# CONFIG_WDTPCI is not set - -# -# USB-based Watchdog Cards -# -# CONFIG_USBPCWATCHDOG is not set -CONFIG_SSB_POSSIBLE=y - -# -# Sonics Silicon Backplane -# -# CONFIG_SSB is not set - -# -# Multifunction device drivers -# -# CONFIG_MFD_CORE is not set -# CONFIG_MFD_SM501 is not set -# CONFIG_HTC_PASIC3 is not set -# CONFIG_TWL4030_CORE is not set -# CONFIG_MFD_TMIO is not set -# CONFIG_PMIC_DA903X is not set -# CONFIG_MFD_WM8400 is not set -# CONFIG_MFD_WM8350_I2C is not set -# CONFIG_MFD_PCF50633 is not set -# CONFIG_REGULATOR is not set - -# -# Multimedia devices -# - -# -# Multimedia core support -# -# CONFIG_VIDEO_DEV is not set -# CONFIG_DVB_CORE is not set -# CONFIG_VIDEO_MEDIA is not set - -# -# Multimedia drivers -# -CONFIG_DAB=y -# CONFIG_USB_DABUSB is not set - -# -# Graphics support -# CONFIG_AGP=y CONFIG_AGP_AMD64=y CONFIG_AGP_INTEL=y -# CONFIG_AGP_SIS is not set -# CONFIG_AGP_VIA is not set CONFIG_DRM=y -# CONFIG_DRM_TDFX is not set -# CONFIG_DRM_R128 is not set -# CONFIG_DRM_RADEON is not set -# CONFIG_DRM_I810 is not set -# CONFIG_DRM_I830 is not set CONFIG_DRM_I915=y CONFIG_DRM_I915_KMS=y -# CONFIG_DRM_MGA is not set -# CONFIG_DRM_SIS is not set -# CONFIG_DRM_VIA is not set -# CONFIG_DRM_SAVAGE is not set -# CONFIG_VGASTATE is not set -# CONFIG_VIDEO_OUTPUT_CONTROL is not set -CONFIG_FB=y -# CONFIG_FIRMWARE_EDID is not set -# CONFIG_FB_DDC is not set -# CONFIG_FB_BOOT_VESA_SUPPORT is not set -CONFIG_FB_CFB_FILLRECT=y -CONFIG_FB_CFB_COPYAREA=y -CONFIG_FB_CFB_IMAGEBLIT=y -# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set -# CONFIG_FB_SYS_FILLRECT is not set -# CONFIG_FB_SYS_COPYAREA is not set -# CONFIG_FB_SYS_IMAGEBLIT is not set -# CONFIG_FB_FOREIGN_ENDIAN is not set -# CONFIG_FB_SYS_FOPS is not set -# CONFIG_FB_SVGALIB is not set -# CONFIG_FB_MACMODES is not set -# CONFIG_FB_BACKLIGHT is not set CONFIG_FB_MODE_HELPERS=y CONFIG_FB_TILEBLITTING=y - -# -# Frame buffer hardware drivers -# -# CONFIG_FB_CIRRUS is not set -# CONFIG_FB_PM2 is not set -# CONFIG_FB_CYBER2000 is not set -# CONFIG_FB_ARC is not set -# CONFIG_FB_ASILIANT is not set -# CONFIG_FB_IMSTT is not set -# CONFIG_FB_VGA16 is not set -# CONFIG_FB_UVESA is not set -# CONFIG_FB_VESA is not set CONFIG_FB_EFI=y -# CONFIG_FB_N411 is not set -# CONFIG_FB_HGA is not set -# CONFIG_FB_S1D13XXX is not set -# CONFIG_FB_NVIDIA is not set -# CONFIG_FB_RIVA is not set -# CONFIG_FB_LE80578 is not set -# CONFIG_FB_INTEL is not set -# CONFIG_FB_MATROX is not set -# CONFIG_FB_RADEON is not set -# CONFIG_FB_ATY128 is not set -# CONFIG_FB_ATY is not set -# CONFIG_FB_S3 is not set -# CONFIG_FB_SAVAGE is not set -# CONFIG_FB_SIS is not set -# CONFIG_FB_VIA is not set -# CONFIG_FB_NEOMAGIC is not set -# CONFIG_FB_KYRO is not set -# CONFIG_FB_3DFX is not set -# CONFIG_FB_VOODOO1 is not set -# CONFIG_FB_VT8623 is not set -# CONFIG_FB_TRIDENT is not set -# CONFIG_FB_ARK is not set -# CONFIG_FB_PM3 is not set -# CONFIG_FB_CARMINE is not set -# CONFIG_FB_GEODE is not set -# CONFIG_FB_VIRTUAL is not set -# CONFIG_FB_METRONOME is not set -# CONFIG_FB_MB862XX is not set -# CONFIG_FB_BROADSHEET is not set CONFIG_BACKLIGHT_LCD_SUPPORT=y # CONFIG_LCD_CLASS_DEVICE is not set -CONFIG_BACKLIGHT_CLASS_DEVICE=y -CONFIG_BACKLIGHT_GENERIC=y -# CONFIG_BACKLIGHT_PROGEAR is not set -# CONFIG_BACKLIGHT_MBP_NVIDIA is not set -# CONFIG_BACKLIGHT_SAHARA is not set - -# -# Display device support -# -# CONFIG_DISPLAY_SUPPORT is not set - -# -# Console display driver support -# -CONFIG_VGA_CONSOLE=y CONFIG_VGACON_SOFT_SCROLLBACK=y -CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=64 -CONFIG_DUMMY_CONSOLE=y -# CONFIG_FRAMEBUFFER_CONSOLE is not set CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set # CONFIG_LOGO_LINUX_VGA16 is not set -CONFIG_LOGO_LINUX_CLUT224=y CONFIG_SOUND=y -CONFIG_SOUND_OSS_CORE=y CONFIG_SND=y -CONFIG_SND_TIMER=y -CONFIG_SND_PCM=y -CONFIG_SND_HWDEP=y -CONFIG_SND_JACK=y CONFIG_SND_SEQUENCER=y CONFIG_SND_SEQ_DUMMY=y -CONFIG_SND_OSSEMUL=y CONFIG_SND_MIXER_OSS=y CONFIG_SND_PCM_OSS=y -CONFIG_SND_PCM_OSS_PLUGINS=y CONFIG_SND_SEQUENCER_OSS=y CONFIG_SND_HRTIMER=y -CONFIG_SND_SEQ_HRTIMER_DEFAULT=y -CONFIG_SND_DYNAMIC_MINORS=y -CONFIG_SND_SUPPORT_OLD_API=y -CONFIG_SND_VERBOSE_PROCFS=y -# CONFIG_SND_VERBOSE_PRINTK is not set -# CONFIG_SND_DEBUG is not set -CONFIG_SND_VMASTER=y -CONFIG_SND_DRIVERS=y -# CONFIG_SND_PCSP is not set -# CONFIG_SND_DUMMY is not set -# CONFIG_SND_VIRMIDI is not set -# CONFIG_SND_MTPAV is not set -# CONFIG_SND_SERIAL_U16550 is not set -# CONFIG_SND_MPU401 is not set -CONFIG_SND_PCI=y -# CONFIG_SND_AD1889 is not set -# CONFIG_SND_ALS300 is not set -# CONFIG_SND_ALS4000 is not set -# CONFIG_SND_ALI5451 is not set -# CONFIG_SND_ATIIXP is not set -# CONFIG_SND_ATIIXP_MODEM is not set -# CONFIG_SND_AU8810 is not set -# CONFIG_SND_AU8820 is not set -# CONFIG_SND_AU8830 is not set -# CONFIG_SND_AW2 is not set -# CONFIG_SND_AZT3328 is not set -# CONFIG_SND_BT87X is not set -# CONFIG_SND_CA0106 is not set -# CONFIG_SND_CMIPCI is not set -# CONFIG_SND_OXYGEN is not set -# CONFIG_SND_CS4281 is not set -# CONFIG_SND_CS46XX is not set -# CONFIG_SND_CS5530 is not set -# CONFIG_SND_DARLA20 is not set -# CONFIG_SND_GINA20 is not set -# CONFIG_SND_LAYLA20 is not set -# CONFIG_SND_DARLA24 is not set -# CONFIG_SND_GINA24 is not set -# CONFIG_SND_LAYLA24 is not set -# CONFIG_SND_MONA is not set -# CONFIG_SND_MIA is not set -# CONFIG_SND_ECHO3G is not set -# CONFIG_SND_INDIGO is not set -# CONFIG_SND_INDIGOIO is not set -# CONFIG_SND_INDIGODJ is not set -# CONFIG_SND_INDIGOIOX is not set -# CONFIG_SND_INDIGODJX is not set -# CONFIG_SND_EMU10K1 is not set -# CONFIG_SND_EMU10K1X is not set -# CONFIG_SND_ENS1370 is not set -# CONFIG_SND_ENS1371 is not set -# CONFIG_SND_ES1938 is not set -# CONFIG_SND_ES1968 is not set -# CONFIG_SND_FM801 is not set CONFIG_SND_HDA_INTEL=y CONFIG_SND_HDA_HWDEP=y -# CONFIG_SND_HDA_RECONFIG is not set -# CONFIG_SND_HDA_INPUT_BEEP is not set -CONFIG_SND_HDA_CODEC_REALTEK=y -CONFIG_SND_HDA_CODEC_ANALOG=y -CONFIG_SND_HDA_CODEC_SIGMATEL=y -CONFIG_SND_HDA_CODEC_VIA=y -CONFIG_SND_HDA_CODEC_ATIHDMI=y -CONFIG_SND_HDA_CODEC_NVHDMI=y -CONFIG_SND_HDA_CODEC_INTELHDMI=y -CONFIG_SND_HDA_ELD=y -CONFIG_SND_HDA_CODEC_CONEXANT=y -CONFIG_SND_HDA_CODEC_CMEDIA=y -CONFIG_SND_HDA_CODEC_SI3054=y -CONFIG_SND_HDA_GENERIC=y -# CONFIG_SND_HDA_POWER_SAVE is not set -# CONFIG_SND_HDSP is not set -# CONFIG_SND_HDSPM is not set -# CONFIG_SND_HIFIER is not set -# CONFIG_SND_ICE1712 is not set -# CONFIG_SND_ICE1724 is not set -# CONFIG_SND_INTEL8X0 is not set -# CONFIG_SND_INTEL8X0M is not set -# CONFIG_SND_KORG1212 is not set -# CONFIG_SND_MAESTRO3 is not set -# CONFIG_SND_MIXART is not set -# CONFIG_SND_NM256 is not set -# CONFIG_SND_PCXHR is not set -# CONFIG_SND_RIPTIDE is not set -# CONFIG_SND_RME32 is not set -# CONFIG_SND_RME96 is not set -# CONFIG_SND_RME9652 is not set -# CONFIG_SND_SONICVIBES is not set -# CONFIG_SND_TRIDENT is not set -# CONFIG_SND_VIA82XX is not set -# CONFIG_SND_VIA82XX_MODEM is not set -# CONFIG_SND_VIRTUOSO is not set -# CONFIG_SND_VX222 is not set -# CONFIG_SND_YMFPCI is not set -CONFIG_SND_USB=y -# CONFIG_SND_USB_AUDIO is not set -# CONFIG_SND_USB_USX2Y is not set -# CONFIG_SND_USB_CAIAQ is not set -# CONFIG_SND_USB_US122L is not set -CONFIG_SND_PCMCIA=y -# CONFIG_SND_VXPOCKET is not set -# CONFIG_SND_PDAUDIOCF is not set -# CONFIG_SND_SOC is not set -# CONFIG_SOUND_PRIME is not set -CONFIG_HID_SUPPORT=y -CONFIG_HID=y -CONFIG_HID_DEBUG=y CONFIG_HIDRAW=y - -# -# USB Input Devices -# -CONFIG_USB_HID=y CONFIG_HID_PID=y CONFIG_USB_HIDDEV=y - -# -# Special HID drivers -# -CONFIG_HID_A4TECH=y -CONFIG_HID_APPLE=y -CONFIG_HID_BELKIN=y -CONFIG_HID_CHERRY=y -CONFIG_HID_CHICONY=y -CONFIG_HID_CYPRESS=y -# CONFIG_DRAGONRISE_FF is not set -CONFIG_HID_EZKEY=y -CONFIG_HID_KYE=y CONFIG_HID_GYRATION=y -CONFIG_HID_KENSINGTON=y -CONFIG_HID_LOGITECH=y CONFIG_LOGITECH_FF=y -# CONFIG_LOGIRUMBLEPAD2_FF is not set -CONFIG_HID_MICROSOFT=y -CONFIG_HID_MONTEREY=y CONFIG_HID_NTRIG=y CONFIG_HID_PANTHERLORD=y CONFIG_PANTHERLORD_FF=y @@ -1849,697 +250,90 @@ CONFIG_HID_PETALYNX=y CONFIG_HID_SAMSUNG=y CONFIG_HID_SONY=y CONFIG_HID_SUNPLUS=y -# CONFIG_GREENASIA_FF is not set CONFIG_HID_TOPSEED=y -CONFIG_THRUSTMASTER_FF=y -CONFIG_ZEROPLUS_FF=y -CONFIG_USB_SUPPORT=y -CONFIG_USB_ARCH_HAS_HCD=y -CONFIG_USB_ARCH_HAS_OHCI=y -CONFIG_USB_ARCH_HAS_EHCI=y CONFIG_USB=y CONFIG_USB_DEBUG=y CONFIG_USB_ANNOUNCE_NEW_DEVICES=y - -# -# Miscellaneous USB options -# CONFIG_USB_DEVICEFS=y # CONFIG_USB_DEVICE_CLASS is not set -# CONFIG_USB_DYNAMIC_MINORS is not set -CONFIG_USB_SUSPEND=y -# CONFIG_USB_OTG is not set CONFIG_USB_MON=y -# CONFIG_USB_WUSB is not set -# CONFIG_USB_WUSB_CBAF is not set - -# -# USB Host Controller Drivers -# -# CONFIG_USB_C67X00_HCD is not set CONFIG_USB_EHCI_HCD=y -# CONFIG_USB_EHCI_ROOT_HUB_TT is not set # CONFIG_USB_EHCI_TT_NEWSCHED is not set -# CONFIG_USB_OXU210HP_HCD is not set -# CONFIG_USB_ISP116X_HCD is not set -# CONFIG_USB_ISP1760_HCD is not set CONFIG_USB_OHCI_HCD=y -# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set -# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set -CONFIG_USB_OHCI_LITTLE_ENDIAN=y CONFIG_USB_UHCI_HCD=y -# CONFIG_USB_SL811_HCD is not set -# CONFIG_USB_R8A66597_HCD is not set -# CONFIG_USB_WHCI_HCD is not set -# CONFIG_USB_HWA_HCD is not set - -# -# USB Device Class drivers -# -# CONFIG_USB_ACM is not set CONFIG_USB_PRINTER=y -# CONFIG_USB_WDM is not set -# CONFIG_USB_TMC is not set - -# -# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may -# - -# -# also be needed; see USB_STORAGE Help for more info -# CONFIG_USB_STORAGE=y -# CONFIG_USB_STORAGE_DEBUG is not set -# CONFIG_USB_STORAGE_DATAFAB is not set -# CONFIG_USB_STORAGE_FREECOM is not set -# CONFIG_USB_STORAGE_ISD200 is not set -# CONFIG_USB_STORAGE_USBAT is not set -# CONFIG_USB_STORAGE_SDDR09 is not set -# CONFIG_USB_STORAGE_SDDR55 is not set -# CONFIG_USB_STORAGE_JUMPSHOT is not set -# CONFIG_USB_STORAGE_ALAUDA is not set -# CONFIG_USB_STORAGE_ONETOUCH is not set -# CONFIG_USB_STORAGE_KARMA is not set -# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set CONFIG_USB_LIBUSUAL=y - -# -# USB Imaging devices -# -# CONFIG_USB_MDC800 is not set -# CONFIG_USB_MICROTEK is not set - -# -# USB port drivers -# -# CONFIG_USB_SERIAL is not set - -# -# USB Miscellaneous drivers -# -# CONFIG_USB_EMI62 is not set -# CONFIG_USB_EMI26 is not set -# CONFIG_USB_ADUTUX is not set -# CONFIG_USB_SEVSEG is not set -# CONFIG_USB_RIO500 is not set -# CONFIG_USB_LEGOTOWER is not set -# CONFIG_USB_LCD is not set -# CONFIG_USB_BERRY_CHARGE is not set -# CONFIG_USB_LED is not set -# CONFIG_USB_CYPRESS_CY7C63 is not set -# CONFIG_USB_CYTHERM is not set -# CONFIG_USB_IDMOUSE is not set -# CONFIG_USB_FTDI_ELAN is not set -# CONFIG_USB_APPLEDISPLAY is not set -# CONFIG_USB_SISUSBVGA is not set -# CONFIG_USB_LD is not set -# CONFIG_USB_TRANCEVIBRATOR is not set -# CONFIG_USB_IOWARRIOR is not set -# CONFIG_USB_TEST is not set -# CONFIG_USB_ISIGHTFW is not set -# CONFIG_USB_VST is not set -# CONFIG_USB_GADGET is not set - -# -# OTG and related infrastructure -# -# CONFIG_NOP_USB_XCEIV is not set -# CONFIG_UWB is not set -# CONFIG_MMC is not set -# CONFIG_MEMSTICK is not set -CONFIG_NEW_LEDS=y -CONFIG_LEDS_CLASS=y - -# -# LED drivers -# -# CONFIG_LEDS_ALIX2 is not set -# CONFIG_LEDS_PCA9532 is not set -# CONFIG_LEDS_LP5521 is not set -# CONFIG_LEDS_CLEVO_MAIL is not set -# CONFIG_LEDS_PCA955X is not set -# CONFIG_LEDS_BD2802 is not set - -# -# LED Triggers -# -CONFIG_LEDS_TRIGGERS=y -# CONFIG_LEDS_TRIGGER_TIMER is not set -# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set -# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set -# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set - -# -# iptables trigger is under Netfilter config (LED target) -# -# CONFIG_ACCESSIBILITY is not set -# CONFIG_INFINIBAND is not set CONFIG_EDAC=y - -# -# Reporting subsystems -# -# CONFIG_EDAC_DEBUG is not set -# CONFIG_EDAC_MM_EDAC is not set -CONFIG_RTC_LIB=y CONFIG_RTC_CLASS=y # CONFIG_RTC_HCTOSYS is not set -# CONFIG_RTC_DEBUG is not set - -# -# RTC interfaces -# -CONFIG_RTC_INTF_SYSFS=y -CONFIG_RTC_INTF_PROC=y -CONFIG_RTC_INTF_DEV=y -# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set -# CONFIG_RTC_DRV_TEST is not set - -# -# I2C RTC drivers -# -# CONFIG_RTC_DRV_DS1307 is not set -# CONFIG_RTC_DRV_DS1374 is not set -# CONFIG_RTC_DRV_DS1672 is not set -# CONFIG_RTC_DRV_MAX6900 is not set -# CONFIG_RTC_DRV_RS5C372 is not set -# CONFIG_RTC_DRV_ISL1208 is not set -# CONFIG_RTC_DRV_X1205 is not set -# CONFIG_RTC_DRV_PCF8563 is not set -# CONFIG_RTC_DRV_PCF8583 is not set -# CONFIG_RTC_DRV_M41T80 is not set -# CONFIG_RTC_DRV_S35390A is not set -# CONFIG_RTC_DRV_FM3130 is not set -# CONFIG_RTC_DRV_RX8581 is not set - -# -# SPI RTC drivers -# - -# -# Platform RTC drivers -# -CONFIG_RTC_DRV_CMOS=y -# CONFIG_RTC_DRV_DS1286 is not set -# CONFIG_RTC_DRV_DS1511 is not set -# CONFIG_RTC_DRV_DS1553 is not set -# CONFIG_RTC_DRV_DS1742 is not set -# CONFIG_RTC_DRV_STK17TA8 is not set -# CONFIG_RTC_DRV_M48T86 is not set -# CONFIG_RTC_DRV_M48T35 is not set -# CONFIG_RTC_DRV_M48T59 is not set -# CONFIG_RTC_DRV_BQ4802 is not set -# CONFIG_RTC_DRV_V3020 is not set - -# -# on-CPU RTC drivers -# CONFIG_DMADEVICES=y - -# -# DMA Devices -# -# CONFIG_INTEL_IOATDMA is not set -# CONFIG_AUXDISPLAY is not set -# CONFIG_UIO is not set -# CONFIG_STAGING is not set -CONFIG_X86_PLATFORM_DEVICES=y -# CONFIG_ACER_WMI is not set -# CONFIG_ASUS_LAPTOP is not set -# CONFIG_FUJITSU_LAPTOP is not set -# CONFIG_MSI_LAPTOP is not set -# CONFIG_PANASONIC_LAPTOP is not set -# CONFIG_COMPAL_LAPTOP is not set -# CONFIG_SONY_LAPTOP is not set -# CONFIG_THINKPAD_ACPI is not set -# CONFIG_INTEL_MENLOW is not set CONFIG_EEEPC_LAPTOP=y -# CONFIG_ACPI_WMI is not set -# CONFIG_ACPI_ASUS is not set -# CONFIG_ACPI_TOSHIBA is not set - -# -# Firmware Drivers -# -# CONFIG_EDD is not set -CONFIG_FIRMWARE_MEMMAP=y CONFIG_EFI_VARS=y -# CONFIG_DELL_RBU is not set -# CONFIG_DCDBAS is not set -CONFIG_DMIID=y -# CONFIG_ISCSI_IBFT_FIND is not set - -# -# File systems -# -# CONFIG_EXT2_FS is not set CONFIG_EXT3_FS=y # CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set -CONFIG_EXT3_FS_XATTR=y CONFIG_EXT3_FS_POSIX_ACL=y CONFIG_EXT3_FS_SECURITY=y -# CONFIG_EXT4_FS is not set -CONFIG_JBD=y -# CONFIG_JBD_DEBUG is not set -CONFIG_FS_MBCACHE=y -# CONFIG_REISERFS_FS is not set -# CONFIG_JFS_FS is not set -CONFIG_FS_POSIX_ACL=y -CONFIG_FILE_LOCKING=y -# CONFIG_XFS_FS is not set -# CONFIG_GFS2_FS is not set -# CONFIG_OCFS2_FS is not set -# CONFIG_BTRFS_FS is not set -CONFIG_DNOTIFY=y -CONFIG_INOTIFY=y -CONFIG_INOTIFY_USER=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set -CONFIG_QUOTA_TREE=y -# CONFIG_QFMT_V1 is not set CONFIG_QFMT_V2=y -CONFIG_QUOTACTL=y -# CONFIG_AUTOFS_FS is not set CONFIG_AUTOFS4_FS=y -# CONFIG_FUSE_FS is not set -CONFIG_GENERIC_ACL=y - -# -# Caches -# -# CONFIG_FSCACHE is not set - -# -# CD-ROM/DVD Filesystems -# CONFIG_ISO9660_FS=y CONFIG_JOLIET=y CONFIG_ZISOFS=y -# CONFIG_UDF_FS is not set - -# -# DOS/FAT/NT Filesystems -# -CONFIG_FAT_FS=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y -CONFIG_FAT_DEFAULT_CODEPAGE=437 -CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" -# CONFIG_NTFS_FS is not set - -# -# Pseudo filesystems -# -CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y -CONFIG_PROC_VMCORE=y -CONFIG_PROC_SYSCTL=y -CONFIG_PROC_PAGE_MONITOR=y -CONFIG_SYSFS=y CONFIG_TMPFS=y CONFIG_TMPFS_POSIX_ACL=y CONFIG_HUGETLBFS=y -CONFIG_HUGETLB_PAGE=y -# CONFIG_CONFIGFS_FS is not set -CONFIG_MISC_FILESYSTEMS=y -# CONFIG_ADFS_FS is not set -# CONFIG_AFFS_FS is not set -# CONFIG_ECRYPT_FS is not set -# CONFIG_HFS_FS is not set -# CONFIG_HFSPLUS_FS is not set -# CONFIG_BEFS_FS is not set -# CONFIG_BFS_FS is not set -# CONFIG_EFS_FS is not set -# CONFIG_CRAMFS is not set -# CONFIG_SQUASHFS is not set -# CONFIG_VXFS_FS is not set -# CONFIG_MINIX_FS is not set -# CONFIG_OMFS_FS is not set -# CONFIG_HPFS_FS is not set -# CONFIG_QNX4FS_FS is not set -# CONFIG_ROMFS_FS is not set -# CONFIG_SYSV_FS is not set -# CONFIG_UFS_FS is not set -# CONFIG_NILFS2_FS is not set -CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y CONFIG_NFS_V3_ACL=y CONFIG_NFS_V4=y CONFIG_ROOT_NFS=y -# CONFIG_NFSD is not set -CONFIG_LOCKD=y -CONFIG_LOCKD_V4=y -CONFIG_NFS_ACL_SUPPORT=y -CONFIG_NFS_COMMON=y -CONFIG_SUNRPC=y -CONFIG_SUNRPC_GSS=y -CONFIG_RPCSEC_GSS_KRB5=y -# CONFIG_RPCSEC_GSS_SPKM3 is not set -# CONFIG_SMB_FS is not set -# CONFIG_CIFS is not set -# CONFIG_NCP_FS is not set -# CONFIG_CODA_FS is not set -# CONFIG_AFS_FS is not set - -# -# Partition Types -# CONFIG_PARTITION_ADVANCED=y -# CONFIG_ACORN_PARTITION is not set CONFIG_OSF_PARTITION=y CONFIG_AMIGA_PARTITION=y -# CONFIG_ATARI_PARTITION is not set CONFIG_MAC_PARTITION=y -CONFIG_MSDOS_PARTITION=y CONFIG_BSD_DISKLABEL=y CONFIG_MINIX_SUBPARTITION=y CONFIG_SOLARIS_X86_PARTITION=y CONFIG_UNIXWARE_DISKLABEL=y -# CONFIG_LDM_PARTITION is not set CONFIG_SGI_PARTITION=y -# CONFIG_ULTRIX_PARTITION is not set CONFIG_SUN_PARTITION=y CONFIG_KARMA_PARTITION=y CONFIG_EFI_PARTITION=y -# CONFIG_SYSV68_PARTITION is not set -CONFIG_NLS=y CONFIG_NLS_DEFAULT="utf8" CONFIG_NLS_CODEPAGE_437=y -# CONFIG_NLS_CODEPAGE_737 is not set -# CONFIG_NLS_CODEPAGE_775 is not set -# CONFIG_NLS_CODEPAGE_850 is not set -# CONFIG_NLS_CODEPAGE_852 is not set -# CONFIG_NLS_CODEPAGE_855 is not set -# CONFIG_NLS_CODEPAGE_857 is not set -# CONFIG_NLS_CODEPAGE_860 is not set -# CONFIG_NLS_CODEPAGE_861 is not set -# CONFIG_NLS_CODEPAGE_862 is not set -# CONFIG_NLS_CODEPAGE_863 is not set -# CONFIG_NLS_CODEPAGE_864 is not set -# CONFIG_NLS_CODEPAGE_865 is not set -# CONFIG_NLS_CODEPAGE_866 is not set -# CONFIG_NLS_CODEPAGE_869 is not set -# CONFIG_NLS_CODEPAGE_936 is not set -# CONFIG_NLS_CODEPAGE_950 is not set -# CONFIG_NLS_CODEPAGE_932 is not set -# CONFIG_NLS_CODEPAGE_949 is not set -# CONFIG_NLS_CODEPAGE_874 is not set -# CONFIG_NLS_ISO8859_8 is not set -# CONFIG_NLS_CODEPAGE_1250 is not set -# CONFIG_NLS_CODEPAGE_1251 is not set CONFIG_NLS_ASCII=y CONFIG_NLS_ISO8859_1=y -# CONFIG_NLS_ISO8859_2 is not set -# CONFIG_NLS_ISO8859_3 is not set -# CONFIG_NLS_ISO8859_4 is not set -# CONFIG_NLS_ISO8859_5 is not set -# CONFIG_NLS_ISO8859_6 is not set -# CONFIG_NLS_ISO8859_7 is not set -# CONFIG_NLS_ISO8859_9 is not set -# CONFIG_NLS_ISO8859_13 is not set -# CONFIG_NLS_ISO8859_14 is not set -# CONFIG_NLS_ISO8859_15 is not set -# CONFIG_NLS_KOI8_R is not set -# CONFIG_NLS_KOI8_U is not set CONFIG_NLS_UTF8=y -# CONFIG_DLM is not set - -# -# Kernel hacking -# -CONFIG_TRACE_IRQFLAGS_SUPPORT=y CONFIG_PRINTK_TIME=y # CONFIG_ENABLE_WARN_DEPRECATED is not set -CONFIG_ENABLE_MUST_CHECK=y -CONFIG_FRAME_WARN=2048 CONFIG_MAGIC_SYSRQ=y # CONFIG_UNUSED_SYMBOLS is not set -CONFIG_DEBUG_FS=y -# CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y -# CONFIG_DEBUG_SHIRQ is not set -# CONFIG_DETECT_SOFTLOCKUP is not set -# CONFIG_DETECT_HUNG_TASK is not set # CONFIG_SCHED_DEBUG is not set CONFIG_SCHEDSTATS=y CONFIG_TIMER_STATS=y -# CONFIG_DEBUG_OBJECTS is not set -# CONFIG_SLUB_DEBUG_ON is not set -# CONFIG_SLUB_STATS is not set -# CONFIG_DEBUG_RT_MUTEXES is not set -# CONFIG_RT_MUTEX_TESTER is not set -# CONFIG_DEBUG_SPINLOCK is not set -# CONFIG_DEBUG_MUTEXES is not set -# CONFIG_DEBUG_LOCK_ALLOC is not set -# CONFIG_PROVE_LOCKING is not set -# CONFIG_LOCK_STAT is not set -# CONFIG_DEBUG_SPINLOCK_SLEEP is not set -# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set -CONFIG_STACKTRACE=y -# CONFIG_DEBUG_KOBJECT is not set -CONFIG_DEBUG_BUGVERBOSE=y -# CONFIG_DEBUG_INFO is not set -# CONFIG_DEBUG_VM is not set -# CONFIG_DEBUG_VIRTUAL is not set -# CONFIG_DEBUG_WRITECOUNT is not set -CONFIG_DEBUG_MEMORY_INIT=y -# CONFIG_DEBUG_LIST is not set -# CONFIG_DEBUG_SG is not set -# CONFIG_DEBUG_NOTIFIERS is not set -CONFIG_ARCH_WANT_FRAME_POINTERS=y -CONFIG_FRAME_POINTER=y -# CONFIG_BOOT_PRINTK_DELAY is not set -# CONFIG_RCU_TORTURE_TEST is not set # CONFIG_RCU_CPU_STALL_DETECTOR is not set -# CONFIG_KPROBES_SANITY_TEST is not set -# CONFIG_BACKTRACE_SELF_TEST is not set -# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set -# CONFIG_LKDTM is not set -# CONFIG_FAULT_INJECTION is not set -# CONFIG_LATENCYTOP is not set CONFIG_SYSCTL_SYSCALL_CHECK=y -# CONFIG_DEBUG_PAGEALLOC is not set -CONFIG_USER_STACKTRACE_SUPPORT=y -CONFIG_NOP_TRACER=y -CONFIG_HAVE_FUNCTION_TRACER=y -CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y -CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y -CONFIG_HAVE_DYNAMIC_FTRACE=y -CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y -CONFIG_HAVE_HW_BRANCH_TRACER=y -CONFIG_HAVE_SYSCALL_TRACEPOINTS=y -CONFIG_RING_BUFFER=y -CONFIG_TRACING=y -CONFIG_TRACING_SUPPORT=y - -# -# Tracers -# -# CONFIG_FUNCTION_TRACER is not set -# CONFIG_IRQSOFF_TRACER is not set -# CONFIG_SYSPROF_TRACER is not set -# CONFIG_SCHED_TRACER is not set -# CONFIG_CONTEXT_SWITCH_TRACER is not set -# CONFIG_EVENT_TRACER is not set -# CONFIG_FTRACE_SYSCALLS is not set -# CONFIG_BOOT_TRACER is not set -# CONFIG_TRACE_BRANCH_PROFILING is not set -# CONFIG_POWER_TRACER is not set -# CONFIG_STACK_TRACER is not set -# CONFIG_HW_BRANCH_TRACER is not set -# CONFIG_KMEMTRACE is not set -# CONFIG_WORKQUEUE_TRACER is not set CONFIG_BLK_DEV_IO_TRACE=y -# CONFIG_FTRACE_STARTUP_TEST is not set -# CONFIG_MMIOTRACE is not set CONFIG_PROVIDE_OHCI1394_DMA_INIT=y -# CONFIG_DYNAMIC_DEBUG is not set -# CONFIG_DMA_API_DEBUG is not set -# CONFIG_SAMPLES is not set -CONFIG_HAVE_ARCH_KGDB=y -# CONFIG_KGDB is not set -# CONFIG_STRICT_DEVMEM is not set -CONFIG_X86_VERBOSE_BOOTUP=y -CONFIG_EARLY_PRINTK=y CONFIG_EARLY_PRINTK_DBGP=y CONFIG_DEBUG_STACKOVERFLOW=y CONFIG_DEBUG_STACK_USAGE=y -# CONFIG_DEBUG_PER_CPU_MAPS is not set -# CONFIG_X86_PTDUMP is not set -CONFIG_DEBUG_RODATA=y # CONFIG_DEBUG_RODATA_TEST is not set CONFIG_DEBUG_NX_TEST=m -# CONFIG_IOMMU_DEBUG is not set -CONFIG_HAVE_MMIOTRACE_SUPPORT=y -CONFIG_IO_DELAY_TYPE_0X80=0 -CONFIG_IO_DELAY_TYPE_0XED=1 -CONFIG_IO_DELAY_TYPE_UDELAY=2 -CONFIG_IO_DELAY_TYPE_NONE=3 -CONFIG_IO_DELAY_0X80=y -# CONFIG_IO_DELAY_0XED is not set -# CONFIG_IO_DELAY_UDELAY is not set -# CONFIG_IO_DELAY_NONE is not set -CONFIG_DEFAULT_IO_DELAY_TYPE=0 CONFIG_DEBUG_BOOT_PARAMS=y -# CONFIG_CPA_DEBUG is not set CONFIG_OPTIMIZE_INLINING=y - -# -# Security options -# -CONFIG_KEYS=y CONFIG_KEYS_DEBUG_PROC_KEYS=y CONFIG_SECURITY=y -# CONFIG_SECURITYFS is not set CONFIG_SECURITY_NETWORK=y -# CONFIG_SECURITY_NETWORK_XFRM is not set -# CONFIG_SECURITY_PATH is not set -CONFIG_SECURITY_FILE_CAPABILITIES=y -# CONFIG_SECURITY_ROOTPLUG is not set -CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=65536 CONFIG_SECURITY_SELINUX=y CONFIG_SECURITY_SELINUX_BOOTPARAM=y -CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=1 CONFIG_SECURITY_SELINUX_DISABLE=y -CONFIG_SECURITY_SELINUX_DEVELOP=y -CONFIG_SECURITY_SELINUX_AVC_STATS=y -CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1 -# CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX is not set -# CONFIG_SECURITY_SMACK is not set -# CONFIG_SECURITY_TOMOYO is not set -# CONFIG_IMA is not set -CONFIG_CRYPTO=y - -# -# Crypto core or helper -# -# CONFIG_CRYPTO_FIPS is not set -CONFIG_CRYPTO_ALGAPI=y -CONFIG_CRYPTO_ALGAPI2=y -CONFIG_CRYPTO_AEAD=y -CONFIG_CRYPTO_AEAD2=y -CONFIG_CRYPTO_BLKCIPHER=y -CONFIG_CRYPTO_BLKCIPHER2=y -CONFIG_CRYPTO_HASH=y -CONFIG_CRYPTO_HASH2=y -CONFIG_CRYPTO_RNG2=y -CONFIG_CRYPTO_PCOMP=y -CONFIG_CRYPTO_MANAGER=y -CONFIG_CRYPTO_MANAGER2=y -# CONFIG_CRYPTO_GF128MUL is not set -# CONFIG_CRYPTO_NULL is not set -CONFIG_CRYPTO_WORKQUEUE=y -# CONFIG_CRYPTO_CRYPTD is not set -CONFIG_CRYPTO_AUTHENC=y -# CONFIG_CRYPTO_TEST is not set - -# -# Authenticated Encryption with Associated Data -# -# CONFIG_CRYPTO_CCM is not set -# CONFIG_CRYPTO_GCM is not set -# CONFIG_CRYPTO_SEQIV is not set - -# -# Block modes -# -CONFIG_CRYPTO_CBC=y -# CONFIG_CRYPTO_CTR is not set -# CONFIG_CRYPTO_CTS is not set -CONFIG_CRYPTO_ECB=y -# CONFIG_CRYPTO_LRW is not set -# CONFIG_CRYPTO_PCBC is not set -# CONFIG_CRYPTO_XTS is not set - -# -# Hash modes -# -CONFIG_CRYPTO_HMAC=y -# CONFIG_CRYPTO_XCBC is not set - -# -# Digest -# -# CONFIG_CRYPTO_CRC32C is not set -# CONFIG_CRYPTO_CRC32C_INTEL is not set -# CONFIG_CRYPTO_MD4 is not set -CONFIG_CRYPTO_MD5=y -# CONFIG_CRYPTO_MICHAEL_MIC is not set -# CONFIG_CRYPTO_RMD128 is not set -# CONFIG_CRYPTO_RMD160 is not set -# CONFIG_CRYPTO_RMD256 is not set -# CONFIG_CRYPTO_RMD320 is not set -CONFIG_CRYPTO_SHA1=y -# CONFIG_CRYPTO_SHA256 is not set -# CONFIG_CRYPTO_SHA512 is not set -# CONFIG_CRYPTO_TGR192 is not set -# CONFIG_CRYPTO_WP512 is not set - -# -# Ciphers -# -CONFIG_CRYPTO_AES=y -# CONFIG_CRYPTO_AES_X86_64 is not set -# CONFIG_CRYPTO_AES_NI_INTEL is not set -# CONFIG_CRYPTO_ANUBIS is not set -CONFIG_CRYPTO_ARC4=y -# CONFIG_CRYPTO_BLOWFISH is not set -# CONFIG_CRYPTO_CAMELLIA is not set -# CONFIG_CRYPTO_CAST5 is not set -# CONFIG_CRYPTO_CAST6 is not set -CONFIG_CRYPTO_DES=y -# CONFIG_CRYPTO_FCRYPT is not set -# CONFIG_CRYPTO_KHAZAD is not set -# CONFIG_CRYPTO_SALSA20 is not set -# CONFIG_CRYPTO_SALSA20_X86_64 is not set -# CONFIG_CRYPTO_SEED is not set -# CONFIG_CRYPTO_SERPENT is not set -# CONFIG_CRYPTO_TEA is not set -# CONFIG_CRYPTO_TWOFISH is not set -# CONFIG_CRYPTO_TWOFISH_X86_64 is not set - -# -# Compression -# -# CONFIG_CRYPTO_DEFLATE is not set -# CONFIG_CRYPTO_ZLIB is not set -# CONFIG_CRYPTO_LZO is not set - -# -# Random Number Generation -# # CONFIG_CRYPTO_ANSI_CPRNG is not set -CONFIG_CRYPTO_HW=y -# CONFIG_CRYPTO_DEV_HIFN_795X is not set -CONFIG_HAVE_KVM=y -CONFIG_HAVE_KVM_IRQCHIP=y -CONFIG_VIRTUALIZATION=y -# CONFIG_KVM is not set -# CONFIG_VIRTIO_PCI is not set -# CONFIG_VIRTIO_BALLOON is not set -CONFIG_BINARY_PRINTF=y - -# -# Library routines -# -CONFIG_BITREVERSE=y -CONFIG_GENERIC_FIND_FIRST_BIT=y -CONFIG_GENERIC_FIND_NEXT_BIT=y -CONFIG_GENERIC_FIND_LAST_BIT=y -# CONFIG_CRC_CCITT is not set -# CONFIG_CRC16 is not set CONFIG_CRC_T10DIF=y -# CONFIG_CRC_ITU_T is not set -CONFIG_CRC32=y -# CONFIG_CRC7 is not set -# CONFIG_LIBCRC32C is not set -CONFIG_ZLIB_INFLATE=y -CONFIG_DECOMPRESS_GZIP=y -CONFIG_DECOMPRESS_BZIP2=y -CONFIG_DECOMPRESS_LZMA=y -CONFIG_HAS_IOMEM=y -CONFIG_HAS_IOPORT=y -CONFIG_HAS_DMA=y -CONFIG_NLATTR=y diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S index e790bc1fbfa..b86feabed69 100644 --- a/arch/x86/ia32/ia32entry.S +++ b/arch/x86/ia32/ia32entry.S @@ -842,4 +842,7 @@ ia32_sys_call_table: .quad compat_sys_rt_tgsigqueueinfo /* 335 */ .quad sys_perf_event_open .quad compat_sys_recvmmsg + .quad sys_fanotify_init + .quad sys32_fanotify_mark + .quad sys_prlimit64 /* 340 */ ia32_syscall_end: diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c index 626be156d88..849813f398e 100644 --- a/arch/x86/ia32/sys_ia32.c +++ b/arch/x86/ia32/sys_ia32.c @@ -51,7 +51,7 @@ #define AA(__x) ((unsigned long)(__x)) -asmlinkage long sys32_truncate64(char __user *filename, +asmlinkage long sys32_truncate64(const char __user *filename, unsigned long offset_low, unsigned long offset_high) { @@ -96,7 +96,7 @@ static int cp_stat64(struct stat64 __user *ubuf, struct kstat *stat) return 0; } -asmlinkage long sys32_stat64(char __user *filename, +asmlinkage long sys32_stat64(const char __user *filename, struct stat64 __user *statbuf) { struct kstat stat; @@ -107,7 +107,7 @@ asmlinkage long sys32_stat64(char __user *filename, return ret; } -asmlinkage long sys32_lstat64(char __user *filename, +asmlinkage long sys32_lstat64(const char __user *filename, struct stat64 __user *statbuf) { struct kstat stat; @@ -126,7 +126,7 @@ asmlinkage long sys32_fstat64(unsigned int fd, struct stat64 __user *statbuf) return ret; } -asmlinkage long sys32_fstatat(unsigned int dfd, char __user *filename, +asmlinkage long sys32_fstatat(unsigned int dfd, const char __user *filename, struct stat64 __user *statbuf, int flag) { struct kstat stat; @@ -408,8 +408,8 @@ asmlinkage long sys32_pread(unsigned int fd, char __user *ubuf, u32 count, ((loff_t)AA(poshi) << 32) | AA(poslo)); } -asmlinkage long sys32_pwrite(unsigned int fd, char __user *ubuf, u32 count, - u32 poslo, u32 poshi) +asmlinkage long sys32_pwrite(unsigned int fd, const char __user *ubuf, + u32 count, u32 poslo, u32 poshi) { return sys_pwrite64(fd, ubuf, count, ((loff_t)AA(poshi) << 32) | AA(poslo)); @@ -449,7 +449,7 @@ asmlinkage long sys32_sendfile(int out_fd, int in_fd, return ret; } -asmlinkage long sys32_execve(char __user *name, compat_uptr_t __user *argv, +asmlinkage long sys32_execve(const char __user *name, compat_uptr_t __user *argv, compat_uptr_t __user *envp, struct pt_regs *regs) { long error; @@ -546,3 +546,12 @@ asmlinkage long sys32_fallocate(int fd, int mode, unsigned offset_lo, return sys_fallocate(fd, mode, ((u64)offset_hi << 32) | offset_lo, ((u64)len_hi << 32) | len_lo); } + +asmlinkage long sys32_fanotify_mark(int fanotify_fd, unsigned int flags, + u32 mask_lo, u32 mask_hi, + int fd, const char __user *pathname) +{ + return sys_fanotify_mark(fanotify_fd, flags, + ((u64)mask_hi << 32) | mask_lo, + fd, pathname); +} diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild index 493092efaa3..6fa90a845e4 100644 --- a/arch/x86/include/asm/Kbuild +++ b/arch/x86/include/asm/Kbuild @@ -3,24 +3,23 @@ include include/asm-generic/Kbuild.asm header-y += boot.h header-y += bootparam.h header-y += debugreg.h +header-y += e820.h +header-y += hw_breakpoint.h +header-y += hyperv.h +header-y += ist.h header-y += ldt.h +header-y += mce.h header-y += msr-index.h +header-y += msr.h +header-y += mtrr.h +header-y += posix_types_32.h +header-y += posix_types_64.h header-y += prctl.h +header-y += processor-flags.h header-y += ptrace-abi.h header-y += sigcontext32.h header-y += ucontext.h -header-y += processor-flags.h -header-y += hw_breakpoint.h -header-y += hyperv.h - -unifdef-y += e820.h -unifdef-y += ist.h -unifdef-y += mce.h -unifdef-y += msr.h -unifdef-y += mtrr.h -unifdef-y += posix_types_32.h -unifdef-y += posix_types_64.h -unifdef-y += unistd_32.h -unifdef-y += unistd_64.h -unifdef-y += vm86.h -unifdef-y += vsyscall.h +header-y += unistd_32.h +header-y += unistd_64.h +header-y += vm86.h +header-y += vsyscall.h diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index aa2c39d968f..92091de1111 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -134,7 +134,7 @@ static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate) boot_cpu_data.x86_model <= 0x05 && boot_cpu_data.x86_mask < 0x0A) return 1; - else if (boot_cpu_has(X86_FEATURE_AMDC1E)) + else if (c1e_detected) return 1; else return max_cstate; diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h index 03b6bb5394a..bc6abb7bc7e 100644 --- a/arch/x86/include/asm/alternative.h +++ b/arch/x86/include/asm/alternative.h @@ -45,10 +45,9 @@ struct alt_instr { u8 *instr; /* original instruction */ u8 *replacement; - u8 cpuid; /* cpuid bit set for replacement */ + u16 cpuid; /* cpuid bit set for replacement */ u8 instrlen; /* length of original instruction */ u8 replacementlen; /* length of new instruction, <= instrlen */ - u8 pad1; #ifdef CONFIG_X86_64 u32 pad2; #endif @@ -86,9 +85,11 @@ static inline int alternatives_text_reserved(void *start, void *end) _ASM_ALIGN "\n" \ _ASM_PTR "661b\n" /* label */ \ _ASM_PTR "663f\n" /* new instruction */ \ - " .byte " __stringify(feature) "\n" /* feature bit */ \ + " .word " __stringify(feature) "\n" /* feature bit */ \ " .byte 662b-661b\n" /* sourcelen */ \ " .byte 664f-663f\n" /* replacementlen */ \ + ".previous\n" \ + ".section .discard,\"aw\",@progbits\n" \ " .byte 0xff + (664f-663f) - (662b-661b)\n" /* rlen <= slen */ \ ".previous\n" \ ".section .altinstr_replacement, \"ax\"\n" \ diff --git a/arch/x86/include/asm/apb_timer.h b/arch/x86/include/asm/apb_timer.h index c74a2eebe57..a69b1ac9eaf 100644 --- a/arch/x86/include/asm/apb_timer.h +++ b/arch/x86/include/asm/apb_timer.h @@ -55,7 +55,6 @@ extern unsigned long apbt_quick_calibrate(void); extern int arch_setup_apbt_irqs(int irq, int trigger, int mask, int cpu); extern void apbt_setup_secondary_clock(void); extern unsigned int boot_cpu_id; -extern int disable_apbt_percpu; extern struct sfi_timer_table_entry *sfi_get_mtmr(int hint); extern void sfi_free_mtmr(struct sfi_timer_table_entry *mtmr); diff --git a/arch/x86/include/asm/bootparam.h b/arch/x86/include/asm/bootparam.h index 6be33d83c71..8e6218550e7 100644 --- a/arch/x86/include/asm/bootparam.h +++ b/arch/x86/include/asm/bootparam.h @@ -70,6 +70,14 @@ struct sys_desc_table { __u8 table[14]; }; +/* Gleaned from OFW's set-parameters in cpu/x86/pc/linux.fth */ +struct olpc_ofw_header { + __u32 ofw_magic; /* OFW signature */ + __u32 ofw_version; + __u32 cif_handler; /* callback into OFW */ + __u32 irq_desc_table; +} __attribute__((packed)); + struct efi_info { __u32 efi_loader_signature; __u32 efi_systab; @@ -92,7 +100,8 @@ struct boot_params { __u8 hd0_info[16]; /* obsolete! */ /* 0x080 */ __u8 hd1_info[16]; /* obsolete! */ /* 0x090 */ struct sys_desc_table sys_desc_table; /* 0x0a0 */ - __u8 _pad4[144]; /* 0x0b0 */ + struct olpc_ofw_header olpc_ofw_header; /* 0x0b0 */ + __u8 _pad4[128]; /* 0x0c0 */ struct edid_info edid_info; /* 0x140 */ struct efi_info efi_info; /* 0x1c0 */ __u32 alt_mem_k; /* 0x1e0 */ diff --git a/arch/x86/include/asm/cmpxchg_32.h b/arch/x86/include/asm/cmpxchg_32.h index 8859e12dd3c..284a6e8f7ce 100644 --- a/arch/x86/include/asm/cmpxchg_32.h +++ b/arch/x86/include/asm/cmpxchg_32.h @@ -11,38 +11,42 @@ extern void __xchg_wrong_size(void); /* - * Note: no "lock" prefix even on SMP: xchg always implies lock anyway - * Note 2: xchg has side effect, so that attribute volatile is necessary, - * but generally the primitive is invalid, *ptr is output argument. --ANK + * Note: no "lock" prefix even on SMP: xchg always implies lock anyway. + * Since this is generally used to protect other memory information, we + * use "asm volatile" and "memory" clobbers to prevent gcc from moving + * information around. */ - -struct __xchg_dummy { - unsigned long a[100]; -}; -#define __xg(x) ((struct __xchg_dummy *)(x)) - #define __xchg(x, ptr, size) \ ({ \ __typeof(*(ptr)) __x = (x); \ switch (size) { \ case 1: \ - asm volatile("xchgb %b0,%1" \ - : "=q" (__x) \ - : "m" (*__xg(ptr)), "0" (__x) \ + { \ + volatile u8 *__ptr = (volatile u8 *)(ptr); \ + asm volatile("xchgb %0,%1" \ + : "=q" (__x), "+m" (*__ptr) \ + : "0" (__x) \ : "memory"); \ break; \ + } \ case 2: \ - asm volatile("xchgw %w0,%1" \ - : "=r" (__x) \ - : "m" (*__xg(ptr)), "0" (__x) \ + { \ + volatile u16 *__ptr = (volatile u16 *)(ptr); \ + asm volatile("xchgw %0,%1" \ + : "=r" (__x), "+m" (*__ptr) \ + : "0" (__x) \ : "memory"); \ break; \ + } \ case 4: \ + { \ + volatile u32 *__ptr = (volatile u32 *)(ptr); \ asm volatile("xchgl %0,%1" \ - : "=r" (__x) \ - : "m" (*__xg(ptr)), "0" (__x) \ + : "=r" (__x), "+m" (*__ptr) \ + : "0" (__x) \ : "memory"); \ break; \ + } \ default: \ __xchg_wrong_size(); \ } \ @@ -53,60 +57,33 @@ struct __xchg_dummy { __xchg((v), (ptr), sizeof(*ptr)) /* - * The semantics of XCHGCMP8B are a bit strange, this is why - * there is a loop and the loading of %%eax and %%edx has to - * be inside. This inlines well in most cases, the cached - * cost is around ~38 cycles. (in the future we might want - * to do an SIMD/3DNOW!/MMX/FPU 64-bit store here, but that - * might have an implicit FPU-save as a cost, so it's not - * clear which path to go.) + * CMPXCHG8B only writes to the target if we had the previous + * value in registers, otherwise it acts as a read and gives us the + * "new previous" value. That is why there is a loop. Preloading + * EDX:EAX is a performance optimization: in the common case it means + * we need only one locked operation. * - * cmpxchg8b must be used with the lock prefix here to allow - * the instruction to be executed atomically, see page 3-102 - * of the instruction set reference 24319102.pdf. We need - * the reader side to see the coherent 64bit value. + * A SIMD/3DNOW!/MMX/FPU 64-bit store here would require at the very + * least an FPU save and/or %cr0.ts manipulation. + * + * cmpxchg8b must be used with the lock prefix here to allow the + * instruction to be executed atomically. We need to have the reader + * side to see the coherent 64bit value. */ -static inline void __set_64bit(unsigned long long *ptr, - unsigned int low, unsigned int high) +static inline void set_64bit(volatile u64 *ptr, u64 value) { + u32 low = value; + u32 high = value >> 32; + u64 prev = *ptr; + asm volatile("\n1:\t" - "movl (%0), %%eax\n\t" - "movl 4(%0), %%edx\n\t" - LOCK_PREFIX "cmpxchg8b (%0)\n\t" + LOCK_PREFIX "cmpxchg8b %0\n\t" "jnz 1b" - : /* no outputs */ - : "D"(ptr), - "b"(low), - "c"(high) - : "ax", "dx", "memory"); -} - -static inline void __set_64bit_constant(unsigned long long *ptr, - unsigned long long value) -{ - __set_64bit(ptr, (unsigned int)value, (unsigned int)(value >> 32)); -} - -#define ll_low(x) *(((unsigned int *)&(x)) + 0) -#define ll_high(x) *(((unsigned int *)&(x)) + 1) - -static inline void __set_64bit_var(unsigned long long *ptr, - unsigned long long value) -{ - __set_64bit(ptr, ll_low(value), ll_high(value)); + : "=m" (*ptr), "+A" (prev) + : "b" (low), "c" (high) + : "memory"); } -#define set_64bit(ptr, value) \ - (__builtin_constant_p((value)) \ - ? __set_64bit_constant((ptr), (value)) \ - : __set_64bit_var((ptr), (value))) - -#define _set_64bit(ptr, value) \ - (__builtin_constant_p(value) \ - ? __set_64bit(ptr, (unsigned int)(value), \ - (unsigned int)((value) >> 32)) \ - : __set_64bit(ptr, ll_low((value)), ll_high((value)))) - extern void __cmpxchg_wrong_size(void); /* @@ -121,23 +98,32 @@ extern void __cmpxchg_wrong_size(void); __typeof__(*(ptr)) __new = (new); \ switch (size) { \ case 1: \ - asm volatile(lock "cmpxchgb %b1,%2" \ - : "=a"(__ret) \ - : "q"(__new), "m"(*__xg(ptr)), "0"(__old) \ + { \ + volatile u8 *__ptr = (volatile u8 *)(ptr); \ + asm volatile(lock "cmpxchgb %2,%1" \ + : "=a" (__ret), "+m" (*__ptr) \ + : "q" (__new), "0" (__old) \ : "memory"); \ break; \ + } \ case 2: \ - asm volatile(lock "cmpxchgw %w1,%2" \ - : "=a"(__ret) \ - : "r"(__new), "m"(*__xg(ptr)), "0"(__old) \ + { \ + volatile u16 *__ptr = (volatile u16 *)(ptr); \ + asm volatile(lock "cmpxchgw %2,%1" \ + : "=a" (__ret), "+m" (*__ptr) \ + : "r" (__new), "0" (__old) \ : "memory"); \ break; \ + } \ case 4: \ - asm volatile(lock "cmpxchgl %1,%2" \ - : "=a"(__ret) \ - : "r"(__new), "m"(*__xg(ptr)), "0"(__old) \ + { \ + volatile u32 *__ptr = (volatile u32 *)(ptr); \ + asm volatile(lock "cmpxchgl %2,%1" \ + : "=a" (__ret), "+m" (*__ptr) \ + : "r" (__new), "0" (__old) \ : "memory"); \ break; \ + } \ default: \ __cmpxchg_wrong_size(); \ } \ @@ -175,32 +161,28 @@ extern void __cmpxchg_wrong_size(void); (unsigned long long)(n))) #endif -static inline unsigned long long __cmpxchg64(volatile void *ptr, - unsigned long long old, - unsigned long long new) +static inline u64 __cmpxchg64(volatile u64 *ptr, u64 old, u64 new) { - unsigned long long prev; - asm volatile(LOCK_PREFIX "cmpxchg8b %3" - : "=A"(prev) - : "b"((unsigned long)new), - "c"((unsigned long)(new >> 32)), - "m"(*__xg(ptr)), - "0"(old) + u64 prev; + asm volatile(LOCK_PREFIX "cmpxchg8b %1" + : "=A" (prev), + "+m" (*ptr) + : "b" ((u32)new), + "c" ((u32)(new >> 32)), + "0" (old) : "memory"); return prev; } -static inline unsigned long long __cmpxchg64_local(volatile void *ptr, - unsigned long long old, - unsigned long long new) +static inline u64 __cmpxchg64_local(volatile u64 *ptr, u64 old, u64 new) { - unsigned long long prev; - asm volatile("cmpxchg8b %3" - : "=A"(prev) - : "b"((unsigned long)new), - "c"((unsigned long)(new >> 32)), - "m"(*__xg(ptr)), - "0"(old) + u64 prev; + asm volatile("cmpxchg8b %1" + : "=A" (prev), + "+m" (*ptr) + : "b" ((u32)new), + "c" ((u32)(new >> 32)), + "0" (old) : "memory"); return prev; } @@ -264,8 +246,6 @@ static inline unsigned long cmpxchg_386(volatile void *ptr, unsigned long old, * to simulate the cmpxchg8b on the 80386 and 80486 CPU. */ -extern unsigned long long cmpxchg_486_u64(volatile void *, u64, u64); - #define cmpxchg64(ptr, o, n) \ ({ \ __typeof__(*(ptr)) __ret; \ @@ -283,20 +263,20 @@ extern unsigned long long cmpxchg_486_u64(volatile void *, u64, u64); __ret; }) - -#define cmpxchg64_local(ptr, o, n) \ -({ \ - __typeof__(*(ptr)) __ret; \ - if (likely(boot_cpu_data.x86 > 4)) \ - __ret = (__typeof__(*(ptr)))__cmpxchg64_local((ptr), \ - (unsigned long long)(o), \ - (unsigned long long)(n)); \ - else \ - __ret = (__typeof__(*(ptr)))cmpxchg_486_u64((ptr), \ - (unsigned long long)(o), \ - (unsigned long long)(n)); \ - __ret; \ -}) +#define cmpxchg64_local(ptr, o, n) \ +({ \ + __typeof__(*(ptr)) __ret; \ + __typeof__(*(ptr)) __old = (o); \ + __typeof__(*(ptr)) __new = (n); \ + alternative_io("call cmpxchg8b_emu", \ + "cmpxchg8b (%%esi)" , \ + X86_FEATURE_CX8, \ + "=A" (__ret), \ + "S" ((ptr)), "0" (__old), \ + "b" ((unsigned int)__new), \ + "c" ((unsigned int)(__new>>32)) \ + : "memory"); \ + __ret; }) #endif diff --git a/arch/x86/include/asm/cmpxchg_64.h b/arch/x86/include/asm/cmpxchg_64.h index 485ae415fae..423ae58aa02 100644 --- a/arch/x86/include/asm/cmpxchg_64.h +++ b/arch/x86/include/asm/cmpxchg_64.h @@ -3,51 +3,60 @@ #include <asm/alternative.h> /* Provides LOCK_PREFIX */ -#define __xg(x) ((volatile long *)(x)) - -static inline void set_64bit(volatile unsigned long *ptr, unsigned long val) +static inline void set_64bit(volatile u64 *ptr, u64 val) { *ptr = val; } -#define _set_64bit set_64bit - extern void __xchg_wrong_size(void); extern void __cmpxchg_wrong_size(void); /* - * Note: no "lock" prefix even on SMP: xchg always implies lock anyway - * Note 2: xchg has side effect, so that attribute volatile is necessary, - * but generally the primitive is invalid, *ptr is output argument. --ANK + * Note: no "lock" prefix even on SMP: xchg always implies lock anyway. + * Since this is generally used to protect other memory information, we + * use "asm volatile" and "memory" clobbers to prevent gcc from moving + * information around. */ #define __xchg(x, ptr, size) \ ({ \ __typeof(*(ptr)) __x = (x); \ switch (size) { \ case 1: \ - asm volatile("xchgb %b0,%1" \ - : "=q" (__x) \ - : "m" (*__xg(ptr)), "0" (__x) \ + { \ + volatile u8 *__ptr = (volatile u8 *)(ptr); \ + asm volatile("xchgb %0,%1" \ + : "=q" (__x), "+m" (*__ptr) \ + : "0" (__x) \ : "memory"); \ break; \ + } \ case 2: \ - asm volatile("xchgw %w0,%1" \ - : "=r" (__x) \ - : "m" (*__xg(ptr)), "0" (__x) \ + { \ + volatile u16 *__ptr = (volatile u16 *)(ptr); \ + asm volatile("xchgw %0,%1" \ + : "=r" (__x), "+m" (*__ptr) \ + : "0" (__x) \ : "memory"); \ break; \ + } \ case 4: \ - asm volatile("xchgl %k0,%1" \ - : "=r" (__x) \ - : "m" (*__xg(ptr)), "0" (__x) \ + { \ + volatile u32 *__ptr = (volatile u32 *)(ptr); \ + asm volatile("xchgl %0,%1" \ + : "=r" (__x), "+m" (*__ptr) \ + : "0" (__x) \ : "memory"); \ break; \ + } \ case 8: \ + { \ + volatile u64 *__ptr = (volatile u64 *)(ptr); \ asm volatile("xchgq %0,%1" \ - : "=r" (__x) \ - : "m" (*__xg(ptr)), "0" (__x) \ + : "=r" (__x), "+m" (*__ptr) \ + : "0" (__x) \ : "memory"); \ break; \ + } \ default: \ __xchg_wrong_size(); \ } \ @@ -71,29 +80,41 @@ extern void __cmpxchg_wrong_size(void); __typeof__(*(ptr)) __new = (new); \ switch (size) { \ case 1: \ - asm volatile(lock "cmpxchgb %b1,%2" \ - : "=a"(__ret) \ - : "q"(__new), "m"(*__xg(ptr)), "0"(__old) \ + { \ + volatile u8 *__ptr = (volatile u8 *)(ptr); \ + asm volatile(lock "cmpxchgb %2,%1" \ + : "=a" (__ret), "+m" (*__ptr) \ + : "q" (__new), "0" (__old) \ : "memory"); \ break; \ + } \ case 2: \ - asm volatile(lock "cmpxchgw %w1,%2" \ - : "=a"(__ret) \ - : "r"(__new), "m"(*__xg(ptr)), "0"(__old) \ + { \ + volatile u16 *__ptr = (volatile u16 *)(ptr); \ + asm volatile(lock "cmpxchgw %2,%1" \ + : "=a" (__ret), "+m" (*__ptr) \ + : "r" (__new), "0" (__old) \ : "memory"); \ break; \ + } \ case 4: \ - asm volatile(lock "cmpxchgl %k1,%2" \ - : "=a"(__ret) \ - : "r"(__new), "m"(*__xg(ptr)), "0"(__old) \ + { \ + volatile u32 *__ptr = (volatile u32 *)(ptr); \ + asm volatile(lock "cmpxchgl %2,%1" \ + : "=a" (__ret), "+m" (*__ptr) \ + : "r" (__new), "0" (__old) \ : "memory"); \ break; \ + } \ case 8: \ - asm volatile(lock "cmpxchgq %1,%2" \ - : "=a"(__ret) \ - : "r"(__new), "m"(*__xg(ptr)), "0"(__old) \ + { \ + volatile u64 *__ptr = (volatile u64 *)(ptr); \ + asm volatile(lock "cmpxchgq %2,%1" \ + : "=a" (__ret), "+m" (*__ptr) \ + : "r" (__new), "0" (__old) \ : "memory"); \ break; \ + } \ default: \ __cmpxchg_wrong_size(); \ } \ diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index 46814591438..781a50b29a4 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -6,7 +6,7 @@ #include <asm/required-features.h> -#define NCAPINTS 9 /* N 32-bit words worth of info */ +#define NCAPINTS 10 /* N 32-bit words worth of info */ /* * Note: If the comment begins with a quoted string, that string is used @@ -89,7 +89,7 @@ #define X86_FEATURE_LFENCE_RDTSC (3*32+18) /* "" Lfence synchronizes RDTSC */ #define X86_FEATURE_11AP (3*32+19) /* "" Bad local APIC aka 11AP */ #define X86_FEATURE_NOPL (3*32+20) /* The NOPL (0F 1F) instructions */ -#define X86_FEATURE_AMDC1E (3*32+21) /* AMD C1E detected */ + /* 21 available, was AMD_C1E */ #define X86_FEATURE_XTOPOLOGY (3*32+22) /* cpu topology enum extensions */ #define X86_FEATURE_TSC_RELIABLE (3*32+23) /* TSC is known to be reliable */ #define X86_FEATURE_NONSTOP_TSC (3*32+24) /* TSC does not stop in C states */ @@ -124,6 +124,8 @@ #define X86_FEATURE_XSAVE (4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */ #define X86_FEATURE_OSXSAVE (4*32+27) /* "" XSAVE enabled in the OS */ #define X86_FEATURE_AVX (4*32+28) /* Advanced Vector Extensions */ +#define X86_FEATURE_F16C (4*32+29) /* 16-bit fp conversions */ +#define X86_FEATURE_RDRND (4*32+30) /* The RDRAND instruction */ #define X86_FEATURE_HYPERVISOR (4*32+31) /* Running on a hypervisor */ /* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */ @@ -157,22 +159,29 @@ /* * Auxiliary flags: Linux defined - For features scattered in various - * CPUID levels like 0x6, 0xA etc + * CPUID levels like 0x6, 0xA etc, word 7 */ #define X86_FEATURE_IDA (7*32+ 0) /* Intel Dynamic Acceleration */ #define X86_FEATURE_ARAT (7*32+ 1) /* Always Running APIC Timer */ #define X86_FEATURE_CPB (7*32+ 2) /* AMD Core Performance Boost */ +#define X86_FEATURE_EPB (7*32+ 3) /* IA32_ENERGY_PERF_BIAS support */ +#define X86_FEATURE_XSAVEOPT (7*32+ 4) /* Optimized Xsave */ +#define X86_FEATURE_PLN (7*32+ 5) /* Intel Power Limit Notification */ +#define X86_FEATURE_PTS (7*32+ 6) /* Intel Package Thermal Status */ -/* Virtualization flags: Linux defined */ +/* Virtualization flags: Linux defined, word 8 */ #define X86_FEATURE_TPR_SHADOW (8*32+ 0) /* Intel TPR Shadow */ #define X86_FEATURE_VNMI (8*32+ 1) /* Intel Virtual NMI */ #define X86_FEATURE_FLEXPRIORITY (8*32+ 2) /* Intel FlexPriority */ #define X86_FEATURE_EPT (8*32+ 3) /* Intel Extended Page Table */ #define X86_FEATURE_VPID (8*32+ 4) /* Intel Virtual Processor ID */ -#define X86_FEATURE_NPT (8*32+5) /* AMD Nested Page Table support */ -#define X86_FEATURE_LBRV (8*32+6) /* AMD LBR Virtualization support */ -#define X86_FEATURE_SVML (8*32+7) /* "svm_lock" AMD SVM locking MSR */ -#define X86_FEATURE_NRIPS (8*32+8) /* "nrip_save" AMD SVM next_rip save */ +#define X86_FEATURE_NPT (8*32+ 5) /* AMD Nested Page Table support */ +#define X86_FEATURE_LBRV (8*32+ 6) /* AMD LBR Virtualization support */ +#define X86_FEATURE_SVML (8*32+ 7) /* "svm_lock" AMD SVM locking MSR */ +#define X86_FEATURE_NRIPS (8*32+ 8) /* "nrip_save" AMD SVM next_rip save */ + +/* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 9 */ +#define X86_FEATURE_FSGSBASE (9*32+ 0) /* {RD/WR}{FS/GS}BASE instructions*/ #if defined(__KERNEL__) && !defined(__ASSEMBLY__) @@ -194,7 +203,9 @@ extern const char * const x86_power_flags[32]; (((bit)>>5)==4 && (1UL<<((bit)&31) & REQUIRED_MASK4)) || \ (((bit)>>5)==5 && (1UL<<((bit)&31) & REQUIRED_MASK5)) || \ (((bit)>>5)==6 && (1UL<<((bit)&31) & REQUIRED_MASK6)) || \ - (((bit)>>5)==7 && (1UL<<((bit)&31) & REQUIRED_MASK7)) ) \ + (((bit)>>5)==7 && (1UL<<((bit)&31) & REQUIRED_MASK7)) || \ + (((bit)>>5)==8 && (1UL<<((bit)&31) & REQUIRED_MASK8)) || \ + (((bit)>>5)==9 && (1UL<<((bit)&31) & REQUIRED_MASK9)) ) \ ? 1 : \ test_cpu_cap(c, bit)) @@ -291,7 +302,7 @@ extern const char * const x86_power_flags[32]; * patch the target code for additional performance. * */ -static __always_inline __pure bool __static_cpu_has(u8 bit) +static __always_inline __pure bool __static_cpu_has(u16 bit) { #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) asm goto("1: jmp %l[t_no]\n" @@ -300,11 +311,11 @@ static __always_inline __pure bool __static_cpu_has(u8 bit) _ASM_ALIGN "\n" _ASM_PTR "1b\n" _ASM_PTR "0\n" /* no replacement */ - " .byte %P0\n" /* feature bit */ + " .word %P0\n" /* feature bit */ " .byte 2b - 1b\n" /* source len */ " .byte 0\n" /* replacement len */ - " .byte 0xff + 0 - (2b-1b)\n" /* padding */ ".previous\n" + /* skipping size check since replacement size = 0 */ : : "i" (bit) : : t_no); return true; t_no: @@ -318,10 +329,12 @@ static __always_inline __pure bool __static_cpu_has(u8 bit) _ASM_ALIGN "\n" _ASM_PTR "1b\n" _ASM_PTR "3f\n" - " .byte %P1\n" /* feature bit */ + " .word %P1\n" /* feature bit */ " .byte 2b - 1b\n" /* source len */ " .byte 4f - 3f\n" /* replacement len */ - " .byte 0xff + (4f-3f) - (2b-1b)\n" /* padding */ + ".previous\n" + ".section .discard,\"aw\",@progbits\n" + " .byte 0xff + (4f-3f) - (2b-1b)\n" /* size check */ ".previous\n" ".section .altinstr_replacement,\"ax\"\n" "3: movb $1,%0\n" @@ -337,7 +350,7 @@ static __always_inline __pure bool __static_cpu_has(u8 bit) ( \ __builtin_constant_p(boot_cpu_has(bit)) ? \ boot_cpu_has(bit) : \ - (__builtin_constant_p(bit) && !((bit) & ~0xff)) ? \ + __builtin_constant_p(bit) ? \ __static_cpu_has(bit) : \ boot_cpu_has(bit) \ ) diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h index ac91eed2106..d4c419f883a 100644 --- a/arch/x86/include/asm/dma-mapping.h +++ b/arch/x86/include/asm/dma-mapping.h @@ -54,7 +54,6 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) -#define dma_is_consistent(d, h) (1) extern int dma_supported(struct device *hwdev, u64 mask); extern int dma_set_mask(struct device *dev, u64 mask); @@ -87,13 +86,6 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size, flush_write_buffers(); } -static inline int dma_get_cache_alignment(void) -{ - /* no easy way to get cache size on all x86, so return the - * maximum possible, to be safe */ - return boot_cpu_data.x86_clflush_size; -} - static inline unsigned long dma_alloc_coherent_mask(struct device *dev, gfp_t gfp) { diff --git a/arch/x86/include/asm/highmem.h b/arch/x86/include/asm/highmem.h index a726650fc80..8caac76ac32 100644 --- a/arch/x86/include/asm/highmem.h +++ b/arch/x86/include/asm/highmem.h @@ -61,7 +61,7 @@ void *kmap(struct page *page); void kunmap(struct page *page); void *kmap_atomic_prot(struct page *page, enum km_type type, pgprot_t prot); void *kmap_atomic(struct page *page, enum km_type type); -void kunmap_atomic(void *kvaddr, enum km_type type); +void kunmap_atomic_notypecheck(void *kvaddr, enum km_type type); void *kmap_atomic_pfn(unsigned long pfn, enum km_type type); void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t prot); struct page *kmap_atomic_to_page(void *ptr); diff --git a/arch/x86/include/asm/hw_breakpoint.h b/arch/x86/include/asm/hw_breakpoint.h index 942255310e6..528a11e8d3e 100644 --- a/arch/x86/include/asm/hw_breakpoint.h +++ b/arch/x86/include/asm/hw_breakpoint.h @@ -20,10 +20,10 @@ struct arch_hw_breakpoint { #include <linux/list.h> /* Available HW breakpoint length encodings */ +#define X86_BREAKPOINT_LEN_X 0x00 #define X86_BREAKPOINT_LEN_1 0x40 #define X86_BREAKPOINT_LEN_2 0x44 #define X86_BREAKPOINT_LEN_4 0x4c -#define X86_BREAKPOINT_LEN_EXECUTE 0x40 #ifdef CONFIG_X86_64 #define X86_BREAKPOINT_LEN_8 0x48 diff --git a/arch/x86/include/asm/hypervisor.h b/arch/x86/include/asm/hypervisor.h index 70abda7058c..ff2546ce717 100644 --- a/arch/x86/include/asm/hypervisor.h +++ b/arch/x86/include/asm/hypervisor.h @@ -45,5 +45,6 @@ extern const struct hypervisor_x86 *x86_hyper; /* Recognized hypervisors */ extern const struct hypervisor_x86 x86_hyper_vmware; extern const struct hypervisor_x86 x86_hyper_ms_hyperv; +extern const struct hypervisor_x86 x86_hyper_xen_hvm; #endif diff --git a/arch/x86/include/asm/i387.h b/arch/x86/include/asm/i387.h index 815c5b2b9f5..a73a8d5a5e6 100644 --- a/arch/x86/include/asm/i387.h +++ b/arch/x86/include/asm/i387.h @@ -31,7 +31,6 @@ extern void mxcsr_feature_mask_init(void); extern int init_fpu(struct task_struct *child); extern asmlinkage void math_state_restore(void); extern void __math_state_restore(void); -extern void init_thread_xstate(void); extern int dump_fpu(struct pt_regs *, struct user_i387_struct *); extern user_regset_active_fn fpregs_active, xfpregs_active; @@ -58,11 +57,25 @@ extern int restore_i387_xstate_ia32(void __user *buf); #define X87_FSW_ES (1 << 7) /* Exception Summary */ +static __always_inline __pure bool use_xsaveopt(void) +{ + return static_cpu_has(X86_FEATURE_XSAVEOPT); +} + static __always_inline __pure bool use_xsave(void) { return static_cpu_has(X86_FEATURE_XSAVE); } +extern void __sanitize_i387_state(struct task_struct *); + +static inline void sanitize_i387_state(struct task_struct *tsk) +{ + if (!use_xsaveopt()) + return; + __sanitize_i387_state(tsk); +} + #ifdef CONFIG_X86_64 /* Ignore delayed exceptions from user space */ @@ -127,6 +140,15 @@ static inline int fxsave_user(struct i387_fxsave_struct __user *fx) { int err; + /* + * Clear the bytes not touched by the fxsave and reserved + * for the SW usage. + */ + err = __clear_user(&fx->sw_reserved, + sizeof(struct _fpx_sw_bytes)); + if (unlikely(err)) + return -EFAULT; + asm volatile("1: rex64/fxsave (%[fx])\n\t" "2:\n" ".section .fixup,\"ax\"\n" diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h index 8767d99c4f6..e2ca3009255 100644 --- a/arch/x86/include/asm/irq_vectors.h +++ b/arch/x86/include/asm/irq_vectors.h @@ -125,6 +125,9 @@ */ #define MCE_SELF_VECTOR 0xeb +/* Xen vector callback to receive events in a HVM domain */ +#define XEN_HVM_EVTCHN_CALLBACK 0xe9 + #define NR_VECTORS 256 #define FPU_IRQ 13 diff --git a/arch/x86/include/asm/kdebug.h b/arch/x86/include/asm/kdebug.h index fa7c0b97476..5bdfca86581 100644 --- a/arch/x86/include/asm/kdebug.h +++ b/arch/x86/include/asm/kdebug.h @@ -33,5 +33,11 @@ extern void __show_regs(struct pt_regs *regs, int all); extern void show_regs(struct pt_regs *regs); extern unsigned long oops_begin(void); extern void oops_end(unsigned long, struct pt_regs *, int signr); +#ifdef CONFIG_KEXEC +extern int in_crash_kexec; +#else +/* no crash dump is ever in progress if no crash kernel can be kexec'd */ +#define in_crash_kexec 0 +#endif #endif /* _ASM_X86_KDEBUG_H */ diff --git a/arch/x86/include/asm/kgdb.h b/arch/x86/include/asm/kgdb.h index 006da3687cd..396f5b5fc4d 100644 --- a/arch/x86/include/asm/kgdb.h +++ b/arch/x86/include/asm/kgdb.h @@ -39,9 +39,11 @@ enum regnames { GDB_FS, /* 14 */ GDB_GS, /* 15 */ }; +#define GDB_ORIG_AX 41 +#define DBG_MAX_REG_NUM 16 #define NUMREGBYTES ((GDB_GS+1)*4) #else /* ! CONFIG_X86_32 */ -enum regnames64 { +enum regnames { GDB_AX, /* 0 */ GDB_BX, /* 1 */ GDB_CX, /* 2 */ @@ -59,15 +61,15 @@ enum regnames64 { GDB_R14, /* 14 */ GDB_R15, /* 15 */ GDB_PC, /* 16 */ + GDB_PS, /* 17 */ + GDB_CS, /* 18 */ + GDB_SS, /* 19 */ }; - -enum regnames32 { - GDB_PS = 34, - GDB_CS, - GDB_SS, -}; -#define NUMREGBYTES ((GDB_SS+1)*4) -#endif /* CONFIG_X86_32 */ +#define GDB_ORIG_AX 57 +#define DBG_MAX_REG_NUM 20 +/* 17 64 bit regs and 3 32 bit regs */ +#define NUMREGBYTES ((17 * 8) + (3 * 4)) +#endif /* ! CONFIG_X86_32 */ static inline void arch_kgdb_breakpoint(void) { diff --git a/arch/x86/include/asm/local64.h b/arch/x86/include/asm/local64.h new file mode 100644 index 00000000000..36c93b5cc23 --- /dev/null +++ b/arch/x86/include/asm/local64.h @@ -0,0 +1 @@ +#include <asm-generic/local64.h> diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index f32a4301c4d..c62c13cb978 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -38,6 +38,10 @@ #define MCM_ADDR_MEM 3 /* memory address */ #define MCM_ADDR_GENERIC 7 /* generic */ +/* CTL2 register defines */ +#define MCI_CTL2_CMCI_EN (1ULL << 30) +#define MCI_CTL2_CMCI_THRESHOLD_MASK 0x7fffULL + #define MCJ_CTX_MASK 3 #define MCJ_CTX(flags) ((flags) & MCJ_CTX_MASK) #define MCJ_CTX_RANDOM 0 /* inject context: random */ diff --git a/arch/x86/include/asm/mrst.h b/arch/x86/include/asm/mrst.h index 451d30e7f62..16350740edf 100644 --- a/arch/x86/include/asm/mrst.h +++ b/arch/x86/include/asm/mrst.h @@ -13,6 +13,32 @@ extern int pci_mrst_init(void); int __init sfi_parse_mrtc(struct sfi_table_header *table); +/* + * Medfield is the follow-up of Moorestown, it combines two chip solution into + * one. Other than that it also added always-on and constant tsc and lapic + * timers. Medfield is the platform name, and the chip name is called Penwell + * we treat Medfield/Penwell as a variant of Moorestown. Penwell can be + * identified via MSRs. + */ +enum mrst_cpu_type { + MRST_CPU_CHIP_LINCROFT = 1, + MRST_CPU_CHIP_PENWELL, +}; + +extern enum mrst_cpu_type __mrst_cpu_chip; +static enum mrst_cpu_type mrst_identify_cpu(void) +{ + return __mrst_cpu_chip; +} + +enum mrst_timer_options { + MRST_TIMER_DEFAULT, + MRST_TIMER_APBT_ONLY, + MRST_TIMER_LAPIC_APBT, +}; + +extern enum mrst_timer_options mrst_timer_options; + #define SFI_MTMR_MAX_NUM 8 #define SFI_MRTC_MAX 8 diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 509a42187dc..986f7790fdb 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -96,9 +96,6 @@ #define MSR_IA32_MC0_CTL2 0x00000280 #define MSR_IA32_MCx_CTL2(x) (MSR_IA32_MC0_CTL2 + (x)) -#define CMCI_EN (1ULL << 30) -#define CMCI_THRESHOLD_MASK 0xffffULL - #define MSR_P6_PERFCTR0 0x000000c1 #define MSR_P6_PERFCTR1 0x000000c2 #define MSR_P6_EVNTSEL0 0x00000186 @@ -161,8 +158,6 @@ #define MSR_K7_FID_VID_STATUS 0xc0010042 /* K6 MSRs */ -#define MSR_K6_EFER 0xc0000080 -#define MSR_K6_STAR 0xc0000081 #define MSR_K6_WHCR 0xc0000082 #define MSR_K6_UWCCR 0xc0000085 #define MSR_K6_EPMR 0xc0000086 @@ -226,12 +221,14 @@ #define MSR_IA32_THERM_CONTROL 0x0000019a #define MSR_IA32_THERM_INTERRUPT 0x0000019b -#define THERM_INT_LOW_ENABLE (1 << 0) -#define THERM_INT_HIGH_ENABLE (1 << 1) +#define THERM_INT_HIGH_ENABLE (1 << 0) +#define THERM_INT_LOW_ENABLE (1 << 1) +#define THERM_INT_PLN_ENABLE (1 << 24) #define MSR_IA32_THERM_STATUS 0x0000019c #define THERM_STATUS_PROCHOT (1 << 0) +#define THERM_STATUS_POWER_LIMIT (1 << 10) #define MSR_THERM2_CTL 0x0000019d @@ -241,6 +238,19 @@ #define MSR_IA32_TEMPERATURE_TARGET 0x000001a2 +#define MSR_IA32_ENERGY_PERF_BIAS 0x000001b0 + +#define MSR_IA32_PACKAGE_THERM_STATUS 0x000001b1 + +#define PACKAGE_THERM_STATUS_PROCHOT (1 << 0) +#define PACKAGE_THERM_STATUS_POWER_LIMIT (1 << 10) + +#define MSR_IA32_PACKAGE_THERM_INTERRUPT 0x000001b2 + +#define PACKAGE_THERM_INT_HIGH_ENABLE (1 << 0) +#define PACKAGE_THERM_INT_LOW_ENABLE (1 << 1) +#define PACKAGE_THERM_INT_PLN_ENABLE (1 << 24) + /* MISC_ENABLE bits: architectural */ #define MSR_IA32_MISC_ENABLE_FAST_STRING (1ULL << 0) #define MSR_IA32_MISC_ENABLE_TCC (1ULL << 1) diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h index c5bc4c2d33f..084ef95274c 100644 --- a/arch/x86/include/asm/msr.h +++ b/arch/x86/include/asm/msr.h @@ -148,8 +148,8 @@ static inline unsigned long long native_read_pmc(int counter) #define rdmsr(msr, val1, val2) \ do { \ u64 __val = native_read_msr((msr)); \ - (val1) = (u32)__val; \ - (val2) = (u32)(__val >> 32); \ + (void)((val1) = (u32)__val); \ + (void)((val2) = (u32)(__val >> 32)); \ } while (0) static inline void wrmsr(unsigned msr, unsigned low, unsigned high) diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h index 93da9c3f334..932f0f86b4b 100644 --- a/arch/x86/include/asm/nmi.h +++ b/arch/x86/include/asm/nmi.h @@ -17,7 +17,9 @@ int do_nmi_callback(struct pt_regs *regs, int cpu); extern void die_nmi(char *str, struct pt_regs *regs, int do_panic); extern int check_nmi_watchdog(void); +#if !defined(CONFIG_LOCKUP_DETECTOR) extern int nmi_watchdog_enabled; +#endif extern int avail_to_resrv_perfctr_nmi_bit(unsigned int); extern int reserve_perfctr_nmi(unsigned int); extern void release_perfctr_nmi(unsigned int); diff --git a/arch/x86/include/asm/olpc_ofw.h b/arch/x86/include/asm/olpc_ofw.h new file mode 100644 index 00000000000..08fde475cb3 --- /dev/null +++ b/arch/x86/include/asm/olpc_ofw.h @@ -0,0 +1,31 @@ +#ifndef _ASM_X86_OLPC_OFW_H +#define _ASM_X86_OLPC_OFW_H + +/* index into the page table containing the entry OFW occupies */ +#define OLPC_OFW_PDE_NR 1022 + +#define OLPC_OFW_SIG 0x2057464F /* aka "OFW " */ + +#ifdef CONFIG_OLPC_OPENFIRMWARE + +/* run an OFW command by calling into the firmware */ +#define olpc_ofw(name, args, res) \ + __olpc_ofw((name), ARRAY_SIZE(args), args, ARRAY_SIZE(res), res) + +extern int __olpc_ofw(const char *name, int nr_args, const void **args, int nr_res, + void **res); + +/* determine whether OFW is available and lives in the proper memory */ +extern void olpc_ofw_detect(void); + +/* install OFW's pde permanently into the kernel's pgtable */ +extern void setup_olpc_ofw_pgd(void); + +#else /* !CONFIG_OLPC_OPENFIRMWARE */ + +static inline void olpc_ofw_detect(void) { } +static inline void setup_olpc_ofw_pgd(void) { } + +#endif /* !CONFIG_OLPC_OPENFIRMWARE */ + +#endif /* _ASM_X86_OLPC_OFW_H */ diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h index 625c3f0e741..8ca82839288 100644 --- a/arch/x86/include/asm/page.h +++ b/arch/x86/include/asm/page.h @@ -37,6 +37,13 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr, #define __pa_nodebug(x) __phys_addr_nodebug((unsigned long)(x)) /* __pa_symbol should be used for C visible symbols. This seems to be the official gcc blessed way to do such arithmetic. */ +/* + * We need __phys_reloc_hide() here because gcc may assume that there is no + * overflow during __pa() calculation and can optimize it unexpectedly. + * Newer versions of gcc provide -fno-strict-overflow switch to handle this + * case properly. Once all supported versions of gcc understand it, we can + * remove this Voodoo magic stuff. (i.e. once gcc3.x is deprecated) + */ #define __pa_symbol(x) __pa(__phys_reloc_hide((unsigned long)(x))) #define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 404a880ea32..d395540ff89 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -27,6 +27,9 @@ extern struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, int node); extern struct pci_bus *pci_scan_bus_with_sysdata(int busno); +#ifdef CONFIG_PCI + +#ifdef CONFIG_PCI_DOMAINS static inline int pci_domain_nr(struct pci_bus *bus) { struct pci_sysdata *sd = bus->sysdata; @@ -37,13 +40,12 @@ static inline int pci_proc_domain(struct pci_bus *bus) { return pci_domain_nr(bus); } - +#endif /* Can be used to override the logic in pci_scan_bus for skipping already-configured bus numbers - to be used for buggy BIOSes or architectures with incomplete PCI setup by the loader */ -#ifdef CONFIG_PCI extern unsigned int pcibios_assign_all_busses(void); extern int pci_legacy_init(void); # ifdef CONFIG_ACPI diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h index cd2a31dc5fb..49c7219826f 100644 --- a/arch/x86/include/asm/pci_x86.h +++ b/arch/x86/include/asm/pci_x86.h @@ -30,6 +30,7 @@ #define PCI_HAS_IO_ECS 0x40000 #define PCI_NOASSIGN_ROMS 0x80000 #define PCI_ROOT_NO_CRS 0x100000 +#define PCI_NOASSIGN_BARS 0x200000 extern unsigned int pci_probe; extern unsigned long pirq_table_addr; diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h index 254883d0c7e..6e742cc4251 100644 --- a/arch/x86/include/asm/perf_event.h +++ b/arch/x86/include/asm/perf_event.h @@ -68,8 +68,9 @@ union cpuid10_eax { union cpuid10_edx { struct { - unsigned int num_counters_fixed:4; - unsigned int reserved:28; + unsigned int num_counters_fixed:5; + unsigned int bit_width_fixed:8; + unsigned int reserved:19; } split; unsigned int full; }; @@ -140,6 +141,19 @@ extern unsigned long perf_instruction_pointer(struct pt_regs *regs); extern unsigned long perf_misc_flags(struct pt_regs *regs); #define perf_misc_flags(regs) perf_misc_flags(regs) +#include <asm/stacktrace.h> + +/* + * We abuse bit 3 from flags to pass exact information, see perf_misc_flags + * and the comment with PERF_EFLAGS_EXACT. + */ +#define perf_arch_fetch_caller_regs(regs, __ip) { \ + (regs)->ip = (__ip); \ + (regs)->bp = caller_frame_pointer(); \ + (regs)->cs = __KERNEL_CS; \ + regs->flags = 0; \ +} + #else static inline void init_hw_perf_events(void) { } static inline void perf_events_lapic_init(void) { } diff --git a/arch/x86/include/asm/perf_event_p4.h b/arch/x86/include/asm/perf_event_p4.h index 64a8ebff06f..def500776b1 100644 --- a/arch/x86/include/asm/perf_event_p4.h +++ b/arch/x86/include/asm/perf_event_p4.h @@ -19,7 +19,6 @@ #define ARCH_P4_RESERVED_ESCR (2) /* IQ_ESCR(0,1) not always present */ #define ARCH_P4_MAX_ESCR (ARCH_P4_TOTAL_ESCR - ARCH_P4_RESERVED_ESCR) #define ARCH_P4_MAX_CCCR (18) -#define ARCH_P4_MAX_COUNTER (ARCH_P4_MAX_CCCR / 2) #define P4_ESCR_EVENT_MASK 0x7e000000U #define P4_ESCR_EVENT_SHIFT 25 @@ -71,10 +70,6 @@ #define P4_CCCR_THRESHOLD(v) ((v) << P4_CCCR_THRESHOLD_SHIFT) #define P4_CCCR_ESEL(v) ((v) << P4_CCCR_ESCR_SELECT_SHIFT) -/* Custom bits in reerved CCCR area */ -#define P4_CCCR_CACHE_OPS_MASK 0x0000003fU - - /* Non HT mask */ #define P4_CCCR_MASK \ (P4_CCCR_OVF | \ @@ -106,8 +101,7 @@ * ESCR and CCCR but rather an only packed value should * be unpacked and written to a proper addresses * - * the base idea is to pack as much info as - * possible + * the base idea is to pack as much info as possible */ #define p4_config_pack_escr(v) (((u64)(v)) << 32) #define p4_config_pack_cccr(v) (((u64)(v)) & 0xffffffffULL) @@ -130,8 +124,6 @@ t; \ }) -#define p4_config_unpack_cache_event(v) (((u64)(v)) & P4_CCCR_CACHE_OPS_MASK) - #define P4_CONFIG_HT_SHIFT 63 #define P4_CONFIG_HT (1ULL << P4_CONFIG_HT_SHIFT) @@ -214,6 +206,12 @@ static inline u32 p4_default_escr_conf(int cpu, int exclude_os, int exclude_usr) return escr; } +/* + * This are the events which should be used in "Event Select" + * field of ESCR register, they are like unique keys which allow + * the kernel to determinate which CCCR and COUNTER should be + * used to track an event + */ enum P4_EVENTS { P4_EVENT_TC_DELIVER_MODE, P4_EVENT_BPU_FETCH_REQUEST, @@ -561,7 +559,7 @@ enum P4_EVENT_OPCODES { * a caller should use P4_ESCR_EMASK_NAME helper to * pick the EventMask needed, for example * - * P4_ESCR_EMASK_NAME(P4_EVENT_TC_DELIVER_MODE, DD) + * P4_ESCR_EMASK_BIT(P4_EVENT_TC_DELIVER_MODE, DD) */ enum P4_ESCR_EMASKS { P4_GEN_ESCR_EMASK(P4_EVENT_TC_DELIVER_MODE, DD, 0), @@ -753,43 +751,50 @@ enum P4_ESCR_EMASKS { P4_GEN_ESCR_EMASK(P4_EVENT_INSTR_COMPLETED, BOGUS, 1), }; -/* P4 PEBS: stale for a while */ -#define P4_PEBS_METRIC_MASK 0x00001fffU -#define P4_PEBS_UOB_TAG 0x01000000U -#define P4_PEBS_ENABLE 0x02000000U - -/* Replay metrics for MSR_IA32_PEBS_ENABLE and MSR_P4_PEBS_MATRIX_VERT */ -#define P4_PEBS__1stl_cache_load_miss_retired 0x3000001 -#define P4_PEBS__2ndl_cache_load_miss_retired 0x3000002 -#define P4_PEBS__dtlb_load_miss_retired 0x3000004 -#define P4_PEBS__dtlb_store_miss_retired 0x3000004 -#define P4_PEBS__dtlb_all_miss_retired 0x3000004 -#define P4_PEBS__tagged_mispred_branch 0x3018000 -#define P4_PEBS__mob_load_replay_retired 0x3000200 -#define P4_PEBS__split_load_retired 0x3000400 -#define P4_PEBS__split_store_retired 0x3000400 - -#define P4_VERT__1stl_cache_load_miss_retired 0x0000001 -#define P4_VERT__2ndl_cache_load_miss_retired 0x0000001 -#define P4_VERT__dtlb_load_miss_retired 0x0000001 -#define P4_VERT__dtlb_store_miss_retired 0x0000002 -#define P4_VERT__dtlb_all_miss_retired 0x0000003 -#define P4_VERT__tagged_mispred_branch 0x0000010 -#define P4_VERT__mob_load_replay_retired 0x0000001 -#define P4_VERT__split_load_retired 0x0000001 -#define P4_VERT__split_store_retired 0x0000002 - -enum P4_CACHE_EVENTS { - P4_CACHE__NONE, - - P4_CACHE__1stl_cache_load_miss_retired, - P4_CACHE__2ndl_cache_load_miss_retired, - P4_CACHE__dtlb_load_miss_retired, - P4_CACHE__dtlb_store_miss_retired, - P4_CACHE__itlb_reference_hit, - P4_CACHE__itlb_reference_miss, - - P4_CACHE__MAX +/* + * P4 PEBS specifics (Replay Event only) + * + * Format (bits): + * 0-6: metric from P4_PEBS_METRIC enum + * 7 : reserved + * 8 : reserved + * 9-11 : reserved + * + * Note we have UOP and PEBS bits reserved for now + * just in case if we will need them once + */ +#define P4_PEBS_CONFIG_ENABLE (1 << 7) +#define P4_PEBS_CONFIG_UOP_TAG (1 << 8) +#define P4_PEBS_CONFIG_METRIC_MASK 0x3f +#define P4_PEBS_CONFIG_MASK 0xff + +/* + * mem: Only counters MSR_IQ_COUNTER4 (16) and + * MSR_IQ_COUNTER5 (17) are allowed for PEBS sampling + */ +#define P4_PEBS_ENABLE 0x02000000U +#define P4_PEBS_ENABLE_UOP_TAG 0x01000000U + +#define p4_config_unpack_metric(v) (((u64)(v)) & P4_PEBS_CONFIG_METRIC_MASK) +#define p4_config_unpack_pebs(v) (((u64)(v)) & P4_PEBS_CONFIG_MASK) + +#define p4_config_pebs_has(v, mask) (p4_config_unpack_pebs(v) & (mask)) + +enum P4_PEBS_METRIC { + P4_PEBS_METRIC__none, + + P4_PEBS_METRIC__1stl_cache_load_miss_retired, + P4_PEBS_METRIC__2ndl_cache_load_miss_retired, + P4_PEBS_METRIC__dtlb_load_miss_retired, + P4_PEBS_METRIC__dtlb_store_miss_retired, + P4_PEBS_METRIC__dtlb_all_miss_retired, + P4_PEBS_METRIC__tagged_mispred_branch, + P4_PEBS_METRIC__mob_load_replay_retired, + P4_PEBS_METRIC__split_load_retired, + P4_PEBS_METRIC__split_store_retired, + + P4_PEBS_METRIC__max }; #endif /* PERF_EVENT_P4_H */ + diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h index 2984a25ff38..f686f49e8b7 100644 --- a/arch/x86/include/asm/pgtable_32.h +++ b/arch/x86/include/asm/pgtable_32.h @@ -26,6 +26,7 @@ struct mm_struct; struct vm_area_struct; extern pgd_t swapper_pg_dir[1024]; +extern pgd_t trampoline_pg_dir[1024]; static inline void pgtable_cache_init(void) { } static inline void check_pgt_cache(void) { } diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index 181be528c61..076052cd62b 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h @@ -126,8 +126,8 @@ static inline int pgd_large(pgd_t pgd) { return 0; } /* x86-64 always has all page tables mapped. */ #define pte_offset_map(dir, address) pte_offset_kernel((dir), (address)) #define pte_offset_map_nested(dir, address) pte_offset_kernel((dir), (address)) -#define pte_unmap(pte) /* NOP */ -#define pte_unmap_nested(pte) /* NOP */ +#define pte_unmap(pte) ((void)(pte))/* NOP */ +#define pte_unmap_nested(pte) ((void)(pte)) /* NOP */ #define update_mmu_cache(vma, address, ptep) do { } while (0) diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 7e5c6a60b8e..325b7bdbeba 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -762,6 +762,7 @@ extern void init_c1e_mask(void); extern unsigned long boot_option_idle_override; extern unsigned long idle_halt; extern unsigned long idle_nomwait; +extern bool c1e_detected; /* * on systems with caches, caches must be flashed as the absolute @@ -1025,4 +1026,24 @@ unsigned long calc_aperfmperf_ratio(struct aperfmperf *old, return ratio; } +/* + * AMD errata checking + */ +#ifdef CONFIG_CPU_SUP_AMD +extern const int amd_erratum_383[]; +extern const int amd_erratum_400[]; +extern bool cpu_has_amd_erratum(const int *); + +#define AMD_LEGACY_ERRATUM(...) { -1, __VA_ARGS__, 0 } +#define AMD_OSVW_ERRATUM(osvw_id, ...) { osvw_id, __VA_ARGS__, 0 } +#define AMD_MODEL_RANGE(f, m_start, s_start, m_end, s_end) \ + ((f << 24) | (m_start << 16) | (s_start << 12) | (m_end << 4) | (s_end)) +#define AMD_MODEL_RANGE_FAMILY(range) (((range) >> 24) & 0xff) +#define AMD_MODEL_RANGE_START(range) (((range) >> 12) & 0xfff) +#define AMD_MODEL_RANGE_END(range) ((range) & 0xfff) + +#else +#define cpu_has_amd_erratum(x) (false) +#endif /* CONFIG_CPU_SUP_AMD */ + #endif /* _ASM_X86_PROCESSOR_H */ diff --git a/arch/x86/include/asm/required-features.h b/arch/x86/include/asm/required-features.h index 64cf2d24fad..6c7fc25f2c3 100644 --- a/arch/x86/include/asm/required-features.h +++ b/arch/x86/include/asm/required-features.h @@ -84,5 +84,7 @@ #define REQUIRED_MASK5 0 #define REQUIRED_MASK6 0 #define REQUIRED_MASK7 0 +#define REQUIRED_MASK8 0 +#define REQUIRED_MASK9 0 #endif /* _ASM_X86_REQUIRED_FEATURES_H */ diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h index 606ede12697..d1e41b0f9b6 100644 --- a/arch/x86/include/asm/rwsem.h +++ b/arch/x86/include/asm/rwsem.h @@ -118,7 +118,7 @@ static inline void __down_read(struct rw_semaphore *sem) { asm volatile("# beginning down_read\n\t" LOCK_PREFIX _ASM_INC "(%1)\n\t" - /* adds 0x00000001, returns the old value */ + /* adds 0x00000001 */ " jns 1f\n" " call call_rwsem_down_read_failed\n" "1:\n\t" @@ -156,11 +156,9 @@ static inline int __down_read_trylock(struct rw_semaphore *sem) static inline void __down_write_nested(struct rw_semaphore *sem, int subclass) { rwsem_count_t tmp; - - tmp = RWSEM_ACTIVE_WRITE_BIAS; asm volatile("# beginning down_write\n\t" LOCK_PREFIX " xadd %1,(%2)\n\t" - /* subtract 0x0000ffff, returns the old value */ + /* adds 0xffff0001, returns the old value */ " test %1,%1\n\t" /* was the count 0 before? */ " jz 1f\n" @@ -168,7 +166,7 @@ static inline void __down_write_nested(struct rw_semaphore *sem, int subclass) "1:\n" "# ending down_write" : "+m" (sem->count), "=d" (tmp) - : "a" (sem), "1" (tmp) + : "a" (sem), "1" (RWSEM_ACTIVE_WRITE_BIAS) : "memory", "cc"); } @@ -195,16 +193,16 @@ static inline int __down_write_trylock(struct rw_semaphore *sem) */ static inline void __up_read(struct rw_semaphore *sem) { - rwsem_count_t tmp = -RWSEM_ACTIVE_READ_BIAS; + rwsem_count_t tmp; asm volatile("# beginning __up_read\n\t" LOCK_PREFIX " xadd %1,(%2)\n\t" /* subtracts 1, returns the old value */ " jns 1f\n\t" - " call call_rwsem_wake\n" + " call call_rwsem_wake\n" /* expects old value in %edx */ "1:\n" "# ending __up_read\n" : "+m" (sem->count), "=d" (tmp) - : "a" (sem), "1" (tmp) + : "a" (sem), "1" (-RWSEM_ACTIVE_READ_BIAS) : "memory", "cc"); } @@ -216,10 +214,9 @@ static inline void __up_write(struct rw_semaphore *sem) rwsem_count_t tmp; asm volatile("# beginning __up_write\n\t" LOCK_PREFIX " xadd %1,(%2)\n\t" - /* tries to transition - 0xffff0001 -> 0x00000000 */ - " jz 1f\n" - " call call_rwsem_wake\n" + /* subtracts 0xffff0001, returns the old value */ + " jns 1f\n\t" + " call call_rwsem_wake\n" /* expects old value in %edx */ "1:\n\t" "# ending __up_write\n" : "+m" (sem->count), "=d" (tmp) diff --git a/arch/x86/include/asm/scatterlist.h b/arch/x86/include/asm/scatterlist.h index fb0b1874396..4240878b9d7 100644 --- a/arch/x86/include/asm/scatterlist.h +++ b/arch/x86/include/asm/scatterlist.h @@ -3,7 +3,6 @@ #include <asm-generic/scatterlist.h> -#define ISA_DMA_THRESHOLD (0x00ffffff) #define ARCH_HAS_SG_CHAIN #endif /* _ASM_X86_SCATTERLIST_H */ diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h index 86b1506f417..ef292c792d7 100644 --- a/arch/x86/include/asm/setup.h +++ b/arch/x86/include/asm/setup.h @@ -82,7 +82,7 @@ void *extend_brk(size_t size, size_t align); * executable.) */ #define RESERVE_BRK(name,sz) \ - static void __section(.discard) __used \ + static void __section(.discard.text) __used \ __brk_reservation_fn_##name##__(void) { \ asm volatile ( \ ".pushsection .brk_reservation,\"aw\",@nobits;" \ diff --git a/arch/x86/include/asm/stacktrace.h b/arch/x86/include/asm/stacktrace.h index 4dab78edbad..2b16a2ad23d 100644 --- a/arch/x86/include/asm/stacktrace.h +++ b/arch/x86/include/asm/stacktrace.h @@ -1,6 +1,13 @@ +/* + * Copyright (C) 1991, 1992 Linus Torvalds + * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs + */ + #ifndef _ASM_X86_STACKTRACE_H #define _ASM_X86_STACKTRACE_H +#include <linux/uaccess.h> + extern int kstack_depth_to_print; struct thread_info; @@ -42,4 +49,46 @@ void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long *stack, unsigned long bp, const struct stacktrace_ops *ops, void *data); +#ifdef CONFIG_X86_32 +#define STACKSLOTS_PER_LINE 8 +#define get_bp(bp) asm("movl %%ebp, %0" : "=r" (bp) :) +#else +#define STACKSLOTS_PER_LINE 4 +#define get_bp(bp) asm("movq %%rbp, %0" : "=r" (bp) :) +#endif + +extern void +show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs, + unsigned long *stack, unsigned long bp, char *log_lvl); + +extern void +show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, + unsigned long *sp, unsigned long bp, char *log_lvl); + +extern unsigned int code_bytes; + +/* The form of the top of the frame on the stack */ +struct stack_frame { + struct stack_frame *next_frame; + unsigned long return_address; +}; + +struct stack_frame_ia32 { + u32 next_frame; + u32 return_address; +}; + +static inline unsigned long caller_frame_pointer(void) +{ + struct stack_frame *frame; + + get_bp(frame); + +#ifdef CONFIG_FRAME_POINTER + frame = frame->next_frame; +#endif + + return (unsigned long)frame; +} + #endif /* _ASM_X86_STACKTRACE_H */ diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h index 3ad421784ae..cb238526a9f 100644 --- a/arch/x86/include/asm/sys_ia32.h +++ b/arch/x86/include/asm/sys_ia32.h @@ -18,13 +18,13 @@ #include <asm/ia32.h> /* ia32/sys_ia32.c */ -asmlinkage long sys32_truncate64(char __user *, unsigned long, unsigned long); +asmlinkage long sys32_truncate64(const char __user *, unsigned long, unsigned long); asmlinkage long sys32_ftruncate64(unsigned int, unsigned long, unsigned long); -asmlinkage long sys32_stat64(char __user *, struct stat64 __user *); -asmlinkage long sys32_lstat64(char __user *, struct stat64 __user *); +asmlinkage long sys32_stat64(const char __user *, struct stat64 __user *); +asmlinkage long sys32_lstat64(const char __user *, struct stat64 __user *); asmlinkage long sys32_fstat64(unsigned int, struct stat64 __user *); -asmlinkage long sys32_fstatat(unsigned int, char __user *, +asmlinkage long sys32_fstatat(unsigned int, const char __user *, struct stat64 __user *, int); struct mmap_arg_struct32; asmlinkage long sys32_mmap(struct mmap_arg_struct32 __user *); @@ -49,12 +49,12 @@ asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *, compat_size_t); asmlinkage long sys32_rt_sigqueueinfo(int, int, compat_siginfo_t __user *); asmlinkage long sys32_pread(unsigned int, char __user *, u32, u32, u32); -asmlinkage long sys32_pwrite(unsigned int, char __user *, u32, u32, u32); +asmlinkage long sys32_pwrite(unsigned int, const char __user *, u32, u32, u32); asmlinkage long sys32_personality(unsigned long); asmlinkage long sys32_sendfile(int, int, compat_off_t __user *, s32); -asmlinkage long sys32_execve(char __user *, compat_uptr_t __user *, +asmlinkage long sys32_execve(const char __user *, compat_uptr_t __user *, compat_uptr_t __user *, struct pt_regs *); asmlinkage long sys32_clone(unsigned int, unsigned int, struct pt_regs *); @@ -80,4 +80,7 @@ asmlinkage long sys32_rt_sigreturn(struct pt_regs *); /* ia32/ipc32.c */ asmlinkage long sys32_ipc(u32, int, int, int, compat_uptr_t, u32); + +asmlinkage long sys32_fanotify_mark(int, unsigned int, u32, u32, int, + const char __user *); #endif /* _ASM_X86_SYS_IA32_H */ diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index 5c044b43e9a..f1d8b441fc7 100644 --- a/arch/x86/include/asm/syscalls.h +++ b/arch/x86/include/asm/syscalls.h @@ -23,8 +23,9 @@ long sys_iopl(unsigned int, struct pt_regs *); /* kernel/process.c */ int sys_fork(struct pt_regs *); int sys_vfork(struct pt_regs *); -long sys_execve(char __user *, char __user * __user *, - char __user * __user *, struct pt_regs *); +long sys_execve(const char __user *, + const char __user *const __user *, + const char __user *const __user *, struct pt_regs *); long sys_clone(unsigned long, unsigned long, void __user *, void __user *, struct pt_regs *); diff --git a/arch/x86/include/asm/trampoline.h b/arch/x86/include/asm/trampoline.h index cb507bb05d7..4dde797c057 100644 --- a/arch/x86/include/asm/trampoline.h +++ b/arch/x86/include/asm/trampoline.h @@ -13,14 +13,17 @@ extern unsigned char *trampoline_base; extern unsigned long init_rsp; extern unsigned long initial_code; +extern unsigned long initial_page_table; extern unsigned long initial_gs; #define TRAMPOLINE_SIZE roundup(trampoline_end - trampoline_data, PAGE_SIZE) extern unsigned long setup_trampoline(void); +extern void __init setup_trampoline_page_table(void); extern void __init reserve_trampoline_memory(void); #else -static inline void reserve_trampoline_memory(void) {}; +static inline void setup_trampoline_page_table(void) {} +static inline void reserve_trampoline_memory(void) {} #endif /* CONFIG_X86_TRAMPOLINE */ #endif /* __ASSEMBLY__ */ diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h index c0427295e8f..1ca132fc0d0 100644 --- a/arch/x86/include/asm/tsc.h +++ b/arch/x86/include/asm/tsc.h @@ -59,5 +59,7 @@ extern void check_tsc_sync_source(int cpu); extern void check_tsc_sync_target(void); extern int notsc_setup(char *); +extern void save_sched_clock_state(void); +extern void restore_sched_clock_state(void); #endif /* _ASM_X86_TSC_H */ diff --git a/arch/x86/include/asm/unistd_32.h b/arch/x86/include/asm/unistd_32.h index beb9b5f8f8a..b766a5e8ba0 100644 --- a/arch/x86/include/asm/unistd_32.h +++ b/arch/x86/include/asm/unistd_32.h @@ -343,10 +343,13 @@ #define __NR_rt_tgsigqueueinfo 335 #define __NR_perf_event_open 336 #define __NR_recvmmsg 337 +#define __NR_fanotify_init 338 +#define __NR_fanotify_mark 339 +#define __NR_prlimit64 340 #ifdef __KERNEL__ -#define NR_syscalls 338 +#define NR_syscalls 341 #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h index ff4307b0e81..363e9b8a715 100644 --- a/arch/x86/include/asm/unistd_64.h +++ b/arch/x86/include/asm/unistd_64.h @@ -663,6 +663,12 @@ __SYSCALL(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo) __SYSCALL(__NR_perf_event_open, sys_perf_event_open) #define __NR_recvmmsg 299 __SYSCALL(__NR_recvmmsg, sys_recvmmsg) +#define __NR_fanotify_init 300 +__SYSCALL(__NR_fanotify_init, sys_fanotify_init) +#define __NR_fanotify_mark 301 +__SYSCALL(__NR_fanotify_mark, sys_fanotify_mark) +#define __NR_prlimit64 302 +__SYSCALL(__NR_prlimit64, sys_prlimit64) #ifndef __NO_STUBS #define __ARCH_WANT_OLD_READDIR diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h index aa558ac0306..42d412fd8b0 100644 --- a/arch/x86/include/asm/uv/uv_bau.h +++ b/arch/x86/include/asm/uv/uv_bau.h @@ -34,6 +34,7 @@ */ #define UV_ITEMS_PER_DESCRIPTOR 8 +/* the 'throttle' to prevent the hardware stay-busy bug */ #define MAX_BAU_CONCURRENT 3 #define UV_CPUS_PER_ACT_STATUS 32 #define UV_ACT_STATUS_MASK 0x3 @@ -45,10 +46,26 @@ #define UV_DESC_BASE_PNODE_SHIFT 49 #define UV_PAYLOADQ_PNODE_SHIFT 49 #define UV_PTC_BASENAME "sgi_uv/ptc_statistics" +#define UV_BAU_BASENAME "sgi_uv/bau_tunables" +#define UV_BAU_TUNABLES_DIR "sgi_uv" +#define UV_BAU_TUNABLES_FILE "bau_tunables" +#define WHITESPACE " \t\n" #define uv_physnodeaddr(x) ((__pa((unsigned long)(x)) & uv_mmask)) #define UV_ENABLE_INTD_SOFT_ACK_MODE_SHIFT 15 #define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD_SHIFT 16 -#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD 0x000000000bUL +#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD 0x0000000009UL +/* [19:16] SOFT_ACK timeout period 19: 1 is urgency 7 17:16 1 is multiplier */ +#define BAU_MISC_CONTROL_MULT_MASK 3 + +#define UVH_AGING_PRESCALE_SEL 0x000000b000UL +/* [30:28] URGENCY_7 an index into a table of times */ +#define BAU_URGENCY_7_SHIFT 28 +#define BAU_URGENCY_7_MASK 7 + +#define UVH_TRANSACTION_TIMEOUT 0x000000b200UL +/* [45:40] BAU - BAU transaction timeout select - a multiplier */ +#define BAU_TRANS_SHIFT 40 +#define BAU_TRANS_MASK 0x3f /* * bits in UVH_LB_BAU_SB_ACTIVATION_STATUS_0/1 @@ -59,24 +76,21 @@ #define DESC_STATUS_SOURCE_TIMEOUT 3 /* - * source side threshholds at which message retries print a warning - */ -#define SOURCE_TIMEOUT_LIMIT 20 -#define DESTINATION_TIMEOUT_LIMIT 20 - -/* - * misc. delays, in microseconds + * delay for 'plugged' timeout retries, in microseconds */ -#define THROTTLE_DELAY 10 -#define TIMEOUT_DELAY 10 -#define BIOS_TO 1000 -/* BIOS is assumed to set the destination timeout to 1003520 nanoseconds */ +#define PLUGGED_DELAY 10 /* * threshholds at which to use IPI to free resources */ +/* after this # consecutive 'plugged' timeouts, use IPI to release resources */ #define PLUGSB4RESET 100 -#define TIMEOUTSB4RESET 100 +/* after this many consecutive timeouts, use IPI to release resources */ +#define TIMEOUTSB4RESET 1 +/* at this number uses of IPI to release resources, giveup the request */ +#define IPI_RESET_LIMIT 1 +/* after this # consecutive successes, bump up the throttle if it was lowered */ +#define COMPLETE_THRESHOLD 5 /* * number of entries in the destination side payload queue @@ -96,6 +110,13 @@ #define FLUSH_COMPLETE 4 /* + * tuning the action when the numalink network is extremely delayed + */ +#define CONGESTED_RESPONSE_US 1000 /* 'long' response time, in microseconds */ +#define CONGESTED_REPS 10 /* long delays averaged over this many broadcasts */ +#define CONGESTED_PERIOD 30 /* time for the bau to be disabled, in seconds */ + +/* * Distribution: 32 bytes (256 bits) (bytes 0-0x1f of descriptor) * If the 'multilevel' flag in the header portion of the descriptor * has been set to 0, then endpoint multi-unicast mode is selected. @@ -300,37 +321,16 @@ struct bau_payload_queue_entry { /* bytes 24-31 */ }; -/* - * one per-cpu; to locate the software tables - */ -struct bau_control { - struct bau_desc *descriptor_base; +struct msg_desc { + struct bau_payload_queue_entry *msg; + int msg_slot; + int sw_ack_slot; struct bau_payload_queue_entry *va_queue_first; struct bau_payload_queue_entry *va_queue_last; - struct bau_payload_queue_entry *bau_msg_head; - struct bau_control *uvhub_master; - struct bau_control *socket_master; - unsigned long timeout_interval; - atomic_t active_descriptor_count; - int max_concurrent; - int max_concurrent_constant; - int retry_message_scans; - int plugged_tries; - int timeout_tries; - int ipi_attempts; - int conseccompletes; - short cpu; - short uvhub_cpu; - short uvhub; - short cpus_in_socket; - short cpus_in_uvhub; - unsigned short message_number; - unsigned short uvhub_quiesce; - short socket_acknowledge_count[DEST_Q_SIZE]; - cycles_t send_message; - spinlock_t masks_lock; - spinlock_t uvhub_lock; - spinlock_t queue_lock; +}; + +struct reset_args { + int sender; }; /* @@ -344,18 +344,25 @@ struct ptc_stats { unsigned long s_dtimeout; /* destination side timeouts */ unsigned long s_time; /* time spent in sending side */ unsigned long s_retriesok; /* successful retries */ - unsigned long s_ntargcpu; /* number of cpus targeted */ - unsigned long s_ntarguvhub; /* number of uvhubs targeted */ - unsigned long s_ntarguvhub16; /* number of times >= 16 target hubs */ - unsigned long s_ntarguvhub8; /* number of times >= 8 target hubs */ - unsigned long s_ntarguvhub4; /* number of times >= 4 target hubs */ - unsigned long s_ntarguvhub2; /* number of times >= 2 target hubs */ - unsigned long s_ntarguvhub1; /* number of times == 1 target hub */ + unsigned long s_ntargcpu; /* total number of cpu's targeted */ + unsigned long s_ntargself; /* times the sending cpu was targeted */ + unsigned long s_ntarglocals; /* targets of cpus on the local blade */ + unsigned long s_ntargremotes; /* targets of cpus on remote blades */ + unsigned long s_ntarglocaluvhub; /* targets of the local hub */ + unsigned long s_ntargremoteuvhub; /* remotes hubs targeted */ + unsigned long s_ntarguvhub; /* total number of uvhubs targeted */ + unsigned long s_ntarguvhub16; /* number of times target hubs >= 16*/ + unsigned long s_ntarguvhub8; /* number of times target hubs >= 8 */ + unsigned long s_ntarguvhub4; /* number of times target hubs >= 4 */ + unsigned long s_ntarguvhub2; /* number of times target hubs >= 2 */ + unsigned long s_ntarguvhub1; /* number of times target hubs == 1 */ unsigned long s_resets_plug; /* ipi-style resets from plug state */ unsigned long s_resets_timeout; /* ipi-style resets from timeouts */ unsigned long s_busy; /* status stayed busy past s/w timer */ unsigned long s_throttles; /* waits in throttle */ unsigned long s_retry_messages; /* retry broadcasts */ + unsigned long s_bau_reenabled; /* for bau enable/disable */ + unsigned long s_bau_disabled; /* for bau enable/disable */ /* destination statistics */ unsigned long d_alltlb; /* times all tlb's on this cpu were flushed */ unsigned long d_onetlb; /* times just one tlb on this cpu was flushed */ @@ -370,6 +377,52 @@ struct ptc_stats { unsigned long d_rcanceled; /* number of messages canceled by resets */ }; +/* + * one per-cpu; to locate the software tables + */ +struct bau_control { + struct bau_desc *descriptor_base; + struct bau_payload_queue_entry *va_queue_first; + struct bau_payload_queue_entry *va_queue_last; + struct bau_payload_queue_entry *bau_msg_head; + struct bau_control *uvhub_master; + struct bau_control *socket_master; + struct ptc_stats *statp; + unsigned long timeout_interval; + unsigned long set_bau_on_time; + atomic_t active_descriptor_count; + int plugged_tries; + int timeout_tries; + int ipi_attempts; + int conseccompletes; + int baudisabled; + int set_bau_off; + short cpu; + short uvhub_cpu; + short uvhub; + short cpus_in_socket; + short cpus_in_uvhub; + unsigned short message_number; + unsigned short uvhub_quiesce; + short socket_acknowledge_count[DEST_Q_SIZE]; + cycles_t send_message; + spinlock_t uvhub_lock; + spinlock_t queue_lock; + /* tunables */ + int max_bau_concurrent; + int max_bau_concurrent_constant; + int plugged_delay; + int plugsb4reset; + int timeoutsb4reset; + int ipi_reset_limit; + int complete_threshold; + int congested_response_us; + int congested_reps; + int congested_period; + cycles_t period_time; + long period_requests; +}; + static inline int bau_uvhub_isset(int uvhub, struct bau_target_uvhubmask *dstp) { return constant_test_bit(uvhub, &dstp->bits[0]); diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h index 9c371e4a9fa..7fda040a76c 100644 --- a/arch/x86/include/asm/xen/hypercall.h +++ b/arch/x86/include/asm/xen/hypercall.h @@ -417,6 +417,12 @@ HYPERVISOR_nmi_op(unsigned long op, unsigned long arg) return _hypercall2(int, nmi_op, op, arg); } +static inline unsigned long __must_check +HYPERVISOR_hvm_op(int op, void *arg) +{ + return _hypercall2(unsigned long, hvm_op, op, arg); +} + static inline void MULTI_fpu_taskswitch(struct multicall_entry *mcl, int set) { diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h index 018a0a40079..bf5f7d32bd0 100644 --- a/arch/x86/include/asm/xen/page.h +++ b/arch/x86/include/asm/xen/page.h @@ -112,13 +112,9 @@ static inline xpaddr_t machine_to_phys(xmaddr_t machine) */ static inline unsigned long mfn_to_local_pfn(unsigned long mfn) { - extern unsigned long max_mapnr; unsigned long pfn = mfn_to_pfn(mfn); - if ((pfn < max_mapnr) - && !xen_feature(XENFEAT_auto_translated_physmap) - && (get_phys_to_machine(pfn) != mfn)) - return max_mapnr; /* force !pfn_valid() */ - /* XXX fixme; not true with sparsemem */ + if (get_phys_to_machine(pfn) != mfn) + return -1; /* force !pfn_valid() */ return pfn; } diff --git a/arch/x86/include/asm/xen/swiotlb-xen.h b/arch/x86/include/asm/xen/swiotlb-xen.h new file mode 100644 index 00000000000..1be1ab7d6a4 --- /dev/null +++ b/arch/x86/include/asm/xen/swiotlb-xen.h @@ -0,0 +1,14 @@ +#ifndef _ASM_X86_SWIOTLB_XEN_H +#define _ASM_X86_SWIOTLB_XEN_H + +#ifdef CONFIG_SWIOTLB_XEN +extern int xen_swiotlb; +extern int __init pci_xen_swiotlb_detect(void); +extern void __init pci_xen_swiotlb_init(void); +#else +#define xen_swiotlb (0) +static inline int __init pci_xen_swiotlb_detect(void) { return 0; } +static inline void __init pci_xen_swiotlb_init(void) { } +#endif + +#endif /* _ASM_X86_SWIOTLB_XEN_H */ diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h index 32c36668fa7..c6ce2452f10 100644 --- a/arch/x86/include/asm/xsave.h +++ b/arch/x86/include/asm/xsave.h @@ -3,7 +3,8 @@ #include <linux/types.h> #include <asm/processor.h> -#include <asm/i387.h> + +#define XSTATE_CPUID 0x0000000d #define XSTATE_FP 0x1 #define XSTATE_SSE 0x2 @@ -32,10 +33,8 @@ extern unsigned int xstate_size; extern u64 pcntxt_mask; -extern struct xsave_struct *init_xstate_buf; extern u64 xstate_fx_sw_bytes[USER_XSTATE_FX_SW_WORDS]; -extern void xsave_cntxt_init(void); extern void xsave_init(void); extern void update_regset_xstate_info(unsigned int size, u64 xstate_mask); extern int init_fpu(struct task_struct *child); @@ -65,6 +64,16 @@ static inline int fpu_xrstor_checking(struct fpu *fpu) static inline int xsave_user(struct xsave_struct __user *buf) { int err; + + /* + * Clear the xsave header first, so that reserved fields are + * initialized to zero. + */ + err = __clear_user(&buf->xsave_hdr, + sizeof(struct xsave_hdr_struct)); + if (unlikely(err)) + return -EFAULT; + __asm__ __volatile__("1: .byte " REX_PREFIX "0x0f,0xae,0x27\n" "2:\n" ".section .fixup,\"ax\"\n" @@ -117,12 +126,25 @@ static inline void xrstor_state(struct xsave_struct *fx, u64 mask) : "memory"); } +static inline void xsave_state(struct xsave_struct *fx, u64 mask) +{ + u32 lmask = mask; + u32 hmask = mask >> 32; + + asm volatile(".byte " REX_PREFIX "0x0f,0xae,0x27\n\t" + : : "D" (fx), "m" (*fx), "a" (lmask), "d" (hmask) + : "memory"); +} + static inline void fpu_xsave(struct fpu *fpu) { /* This, however, we can work around by forcing the compiler to select an addressing mode that doesn't require extended registers. */ - __asm__ __volatile__(".byte " REX_PREFIX "0x0f,0xae,0x27" - : : "D" (&(fpu->state->xsave)), - "a" (-1), "d"(-1) : "memory"); + alternative_input( + ".byte " REX_PREFIX "0x0f,0xae,0x27", + ".byte " REX_PREFIX "0x0f,0xae,0x37", + X86_FEATURE_XSAVEOPT, + [fx] "D" (&fpu->state->xsave), "a" (-1), "d" (-1) : + "memory"); } #endif diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index e77b2208372..0925676266b 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -104,6 +104,7 @@ obj-$(CONFIG_SCx200) += scx200.o scx200-y += scx200_32.o obj-$(CONFIG_OLPC) += olpc.o +obj-$(CONFIG_OLPC_OPENFIRMWARE) += olpc_ofw.o obj-$(CONFIG_X86_MRST) += mrst.o microcode-y := microcode_core.o diff --git a/arch/x86/kernel/acpi/realmode/wakeup.S b/arch/x86/kernel/acpi/realmode/wakeup.S index 580b4e29601..28595d6df47 100644 --- a/arch/x86/kernel/acpi/realmode/wakeup.S +++ b/arch/x86/kernel/acpi/realmode/wakeup.S @@ -104,7 +104,7 @@ _start: movl %eax, %ecx orl %edx, %ecx jz 1f - movl $0xc0000080, %ecx + movl $MSR_EFER, %ecx wrmsr 1: diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index 70237732a6c..f65ab8b014c 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -214,6 +214,7 @@ void __init_or_module apply_alternatives(struct alt_instr *start, u8 *instr = a->instr; BUG_ON(a->replacementlen > a->instrlen); BUG_ON(a->instrlen > sizeof(insnbuf)); + BUG_ON(a->cpuid >= NCAPINTS*32); if (!boot_cpu_has(a->cpuid)) continue; #ifdef CONFIG_X86_64 diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 0d20286d78c..fa044e1e30a 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -2572,6 +2572,11 @@ static phys_addr_t amd_iommu_iova_to_phys(struct iommu_domain *dom, static int amd_iommu_domain_has_cap(struct iommu_domain *domain, unsigned long cap) { + switch (cap) { + case IOMMU_CAP_CACHE_COHERENCY: + return 1; + } + return 0; } @@ -2609,8 +2614,7 @@ int __init amd_iommu_init_passthrough(void) pt_domain->mode |= PAGE_MODE_NONE; - while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { - + for_each_pci_dev(dev) { if (!check_device(&dev->dev)) continue; diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c index a35347501d3..8dd77800ff5 100644 --- a/arch/x86/kernel/apb_timer.c +++ b/arch/x86/kernel/apb_timer.c @@ -43,10 +43,11 @@ #include <asm/fixmap.h> #include <asm/apb_timer.h> +#include <asm/mrst.h> #define APBT_MASK CLOCKSOURCE_MASK(32) #define APBT_SHIFT 22 -#define APBT_CLOCKEVENT_RATING 150 +#define APBT_CLOCKEVENT_RATING 110 #define APBT_CLOCKSOURCE_RATING 250 #define APBT_MIN_DELTA_USEC 200 @@ -83,8 +84,6 @@ struct apbt_dev { char name[10]; }; -int disable_apbt_percpu __cpuinitdata; - static DEFINE_PER_CPU(struct apbt_dev, cpu_apbt_dev); #ifdef CONFIG_SMP @@ -195,29 +194,6 @@ static struct clock_event_device apbt_clockevent = { }; /* - * if user does not want to use per CPU apb timer, just give it a lower rating - * than local apic timer and skip the late per cpu timer init. - */ -static inline int __init setup_x86_mrst_timer(char *arg) -{ - if (!arg) - return -EINVAL; - - if (strcmp("apbt_only", arg) == 0) - disable_apbt_percpu = 0; - else if (strcmp("lapic_and_apbt", arg) == 0) - disable_apbt_percpu = 1; - else { - pr_warning("X86 MRST timer option %s not recognised" - " use x86_mrst_timer=apbt_only or lapic_and_apbt\n", - arg); - return -EINVAL; - } - return 0; -} -__setup("x86_mrst_timer=", setup_x86_mrst_timer); - -/* * start count down from 0xffff_ffff. this is done by toggling the enable bit * then load initial load count to ~0. */ @@ -335,7 +311,7 @@ static int __init apbt_clockevent_register(void) adev->num = smp_processor_id(); memcpy(&adev->evt, &apbt_clockevent, sizeof(struct clock_event_device)); - if (disable_apbt_percpu) { + if (mrst_timer_options == MRST_TIMER_LAPIC_APBT) { apbt_clockevent.rating = APBT_CLOCKEVENT_RATING - 100; global_clock_event = &adev->evt; printk(KERN_DEBUG "%s clockevent registered as global\n", @@ -429,7 +405,8 @@ static int apbt_cpuhp_notify(struct notifier_block *n, static __init int apbt_late_init(void) { - if (disable_apbt_percpu || !apb_timer_block_enabled) + if (mrst_timer_options == MRST_TIMER_LAPIC_APBT || + !apb_timer_block_enabled) return 0; /* This notifier should be called after workqueue is ready */ hotcpu_notifier(apbt_cpuhp_notify, -20); @@ -450,6 +427,8 @@ static void apbt_set_mode(enum clock_event_mode mode, int timer_num; struct apbt_dev *adev = EVT_TO_APBT_DEV(evt); + BUG_ON(!apbt_virt_address); + timer_num = adev->num; pr_debug("%s CPU %d timer %d mode=%d\n", __func__, first_cpu(*evt->cpumask), timer_num, mode); @@ -676,7 +655,7 @@ void __init apbt_time_init(void) } #ifdef CONFIG_SMP /* kernel cmdline disable apb timer, so we will use lapic timers */ - if (disable_apbt_percpu) { + if (mrst_timer_options == MRST_TIMER_LAPIC_APBT) { printk(KERN_INFO "apbt: disabled per cpu timer\n"); return; } diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c index b5d8b0bcf23..a2e0caf26e1 100644 --- a/arch/x86/kernel/aperture_64.c +++ b/arch/x86/kernel/aperture_64.c @@ -280,7 +280,7 @@ void __init early_gart_iommu_check(void) * or BIOS forget to put that in reserved. * try to update e820 to make that region as reserved. */ - u32 agp_aper_base = 0, agp_aper_order = 0; + u32 agp_aper_order = 0; int i, fix, slot, valid_agp = 0; u32 ctl; u32 aper_size = 0, aper_order = 0, last_aper_order = 0; @@ -291,7 +291,7 @@ void __init early_gart_iommu_check(void) return; /* This is mostly duplicate of iommu_hole_init */ - agp_aper_base = search_agp_bridge(&agp_aper_order, &valid_agp); + search_agp_bridge(&agp_aper_order, &valid_agp); fix = 0; for (i = 0; i < ARRAY_SIZE(bus_dev_ranges); i++) { diff --git a/arch/x86/kernel/apic/Makefile b/arch/x86/kernel/apic/Makefile index 565c1bfc507..910f20b457c 100644 --- a/arch/x86/kernel/apic/Makefile +++ b/arch/x86/kernel/apic/Makefile @@ -2,7 +2,12 @@ # Makefile for local APIC drivers and for the IO-APIC code # -obj-$(CONFIG_X86_LOCAL_APIC) += apic.o apic_noop.o probe_$(BITS).o ipi.o nmi.o +obj-$(CONFIG_X86_LOCAL_APIC) += apic.o apic_noop.o probe_$(BITS).o ipi.o +ifneq ($(CONFIG_HARDLOCKUP_DETECTOR),y) +obj-$(CONFIG_X86_LOCAL_APIC) += nmi.o +endif +obj-$(CONFIG_HARDLOCKUP_DETECTOR) += hw_nmi.o + obj-$(CONFIG_X86_IO_APIC) += io_apic.o obj-$(CONFIG_SMP) += ipi.o diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 980508c7908..e3b534cda49 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1606,7 +1606,7 @@ void __init init_apic_mappings(void) * acpi lapic path already maps that address in * acpi_register_lapic_address() */ - if (!acpi_lapic) + if (!acpi_lapic && !smp_found_config) set_fixmap_nocache(FIX_APIC_BASE, apic_phys); apic_printk(APIC_VERBOSE, "mapped APIC to %08lx (%08lx)\n", diff --git a/arch/x86/kernel/apic/es7000_32.c b/arch/x86/kernel/apic/es7000_32.c index 425e53a87fe..8593582d802 100644 --- a/arch/x86/kernel/apic/es7000_32.c +++ b/arch/x86/kernel/apic/es7000_32.c @@ -129,7 +129,6 @@ int es7000_plat; * GSI override for ES7000 platforms. */ -static unsigned int base; static int __cpuinit wakeup_secondary_cpu_via_mip(int cpu, unsigned long eip) { diff --git a/arch/x86/kernel/apic/hw_nmi.c b/arch/x86/kernel/apic/hw_nmi.c new file mode 100644 index 00000000000..cefd6942f0e --- /dev/null +++ b/arch/x86/kernel/apic/hw_nmi.c @@ -0,0 +1,107 @@ +/* + * HW NMI watchdog support + * + * started by Don Zickus, Copyright (C) 2010 Red Hat, Inc. + * + * Arch specific calls to support NMI watchdog + * + * Bits copied from original nmi.c file + * + */ +#include <asm/apic.h> + +#include <linux/cpumask.h> +#include <linux/kdebug.h> +#include <linux/notifier.h> +#include <linux/kprobes.h> +#include <linux/nmi.h> +#include <linux/module.h> + +/* For reliability, we're prepared to waste bits here. */ +static DECLARE_BITMAP(backtrace_mask, NR_CPUS) __read_mostly; + +u64 hw_nmi_get_sample_period(void) +{ + return (u64)(cpu_khz) * 1000 * 60; +} + +#ifdef ARCH_HAS_NMI_WATCHDOG +void arch_trigger_all_cpu_backtrace(void) +{ + int i; + + cpumask_copy(to_cpumask(backtrace_mask), cpu_online_mask); + + printk(KERN_INFO "sending NMI to all CPUs:\n"); + apic->send_IPI_all(NMI_VECTOR); + + /* Wait for up to 10 seconds for all CPUs to do the backtrace */ + for (i = 0; i < 10 * 1000; i++) { + if (cpumask_empty(to_cpumask(backtrace_mask))) + break; + mdelay(1); + } +} + +static int __kprobes +arch_trigger_all_cpu_backtrace_handler(struct notifier_block *self, + unsigned long cmd, void *__args) +{ + struct die_args *args = __args; + struct pt_regs *regs; + int cpu = smp_processor_id(); + + switch (cmd) { + case DIE_NMI: + case DIE_NMI_IPI: + break; + + default: + return NOTIFY_DONE; + } + + regs = args->regs; + + if (cpumask_test_cpu(cpu, to_cpumask(backtrace_mask))) { + static arch_spinlock_t lock = __ARCH_SPIN_LOCK_UNLOCKED; + + arch_spin_lock(&lock); + printk(KERN_WARNING "NMI backtrace for cpu %d\n", cpu); + show_regs(regs); + dump_stack(); + arch_spin_unlock(&lock); + cpumask_clear_cpu(cpu, to_cpumask(backtrace_mask)); + return NOTIFY_STOP; + } + + return NOTIFY_DONE; +} + +static __read_mostly struct notifier_block backtrace_notifier = { + .notifier_call = arch_trigger_all_cpu_backtrace_handler, + .next = NULL, + .priority = 1 +}; + +static int __init register_trigger_all_cpu_backtrace(void) +{ + register_die_notifier(&backtrace_notifier); + return 0; +} +early_initcall(register_trigger_all_cpu_backtrace); +#endif + +/* STUB calls to mimic old nmi_watchdog behaviour */ +#if defined(CONFIG_X86_LOCAL_APIC) +unsigned int nmi_watchdog = NMI_NONE; +EXPORT_SYMBOL(nmi_watchdog); +void acpi_nmi_enable(void) { return; } +void acpi_nmi_disable(void) { return; } +#endif +atomic_t nmi_active = ATOMIC_INIT(0); /* oprofile uses this */ +EXPORT_SYMBOL(nmi_active); +int unknown_nmi_panic; +void cpu_nmi_set_wd_enabled(void) { return; } +void stop_apic_nmi_watchdog(void *unused) { return; } +void setup_apic_nmi_watchdog(void *unused) { return; } +int __init check_nmi_watchdog(void) { return 0; } diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index e41ed24ab26..f1efebaf551 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -1728,6 +1728,8 @@ __apicdebuginit(void) print_IO_APIC(void) struct irq_pin_list *entry; cfg = desc->chip_data; + if (!cfg) + continue; entry = cfg->irq_2_pin; if (!entry) continue; @@ -3397,7 +3399,7 @@ static int set_msi_irq_affinity(unsigned int irq, const struct cpumask *mask) cfg = desc->chip_data; - read_msi_msg_desc(desc, &msg); + get_cached_msi_msg_desc(desc, &msg); msg.data &= ~MSI_DATA_VECTOR_MASK; msg.data |= MSI_DATA_VECTOR(cfg->vector); diff --git a/arch/x86/kernel/apic/nmi.c b/arch/x86/kernel/apic/nmi.c index 1edaf15c0b8..a43f71cb30f 100644 --- a/arch/x86/kernel/apic/nmi.c +++ b/arch/x86/kernel/apic/nmi.c @@ -401,13 +401,6 @@ nmi_watchdog_tick(struct pt_regs *regs, unsigned reason) int cpu = smp_processor_id(); int rc = 0; - /* check for other users first */ - if (notify_die(DIE_NMI, "nmi", regs, reason, 2, SIGINT) - == NOTIFY_STOP) { - rc = 1; - touched = 1; - } - sum = get_timer_irqs(cpu); if (__get_cpu_var(nmi_touch)) { diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index e46f98f36e3..7b598b84c90 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -604,6 +604,10 @@ int uv_handle_nmi(struct notifier_block *self, unsigned long reason, void *data) { if (reason != DIE_NMI_IPI) return NOTIFY_OK; + + if (in_crash_kexec) + /* do nothing if entering the crash kernel */ + return NOTIFY_OK; /* * Use a lock so only one cpu prints at a time * to prevent intermixed output. diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile index 3a785da34b6..3f0ebe429a0 100644 --- a/arch/x86/kernel/cpu/Makefile +++ b/arch/x86/kernel/cpu/Makefile @@ -12,11 +12,11 @@ endif nostackp := $(call cc-option, -fno-stack-protector) CFLAGS_common.o := $(nostackp) -obj-y := intel_cacheinfo.o addon_cpuid_features.o +obj-y := intel_cacheinfo.o scattered.o topology.o obj-y += proc.o capflags.o powerflags.o common.o obj-y += vmware.o hypervisor.o sched.o mshyperv.o -obj-$(CONFIG_X86_32) += bugs.o cmpxchg.o +obj-$(CONFIG_X86_32) += bugs.o obj-$(CONFIG_X86_64) += bugs_64.o obj-$(CONFIG_CPU_SUP_INTEL) += intel.o diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index e485825130d..ba5f62f45f0 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -466,7 +466,7 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) } } - if (c->x86 == 0x10 || c->x86 == 0x11) + if (c->x86 >= 0x10) set_cpu_cap(c, X86_FEATURE_REP_GOOD); /* get apicid instead of initial apic id from cpuid */ @@ -529,7 +529,7 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) num_cache_leaves = 3; } - if (c->x86 >= 0xf && c->x86 <= 0x11) + if (c->x86 >= 0xf) set_cpu_cap(c, X86_FEATURE_K8); if (cpu_has_xmm2) { @@ -546,7 +546,7 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) fam10h_check_enable_mmcfg(); } - if (c == &boot_cpu_data && c->x86 >= 0xf && c->x86 <= 0x11) { + if (c == &boot_cpu_data && c->x86 >= 0xf) { unsigned long long tseg; /* @@ -609,3 +609,74 @@ static const struct cpu_dev __cpuinitconst amd_cpu_dev = { }; cpu_dev_register(amd_cpu_dev); + +/* + * AMD errata checking + * + * Errata are defined as arrays of ints using the AMD_LEGACY_ERRATUM() or + * AMD_OSVW_ERRATUM() macros. The latter is intended for newer errata that + * have an OSVW id assigned, which it takes as first argument. Both take a + * variable number of family-specific model-stepping ranges created by + * AMD_MODEL_RANGE(). Each erratum also has to be declared as extern const + * int[] in arch/x86/include/asm/processor.h. + * + * Example: + * + * const int amd_erratum_319[] = + * AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x10, 0x2, 0x1, 0x4, 0x2), + * AMD_MODEL_RANGE(0x10, 0x8, 0x0, 0x8, 0x0), + * AMD_MODEL_RANGE(0x10, 0x9, 0x0, 0x9, 0x0)); + */ + +const int amd_erratum_400[] = + AMD_OSVW_ERRATUM(1, AMD_MODEL_RANGE(0xf, 0x41, 0x2, 0xff, 0xf), + AMD_MODEL_RANGE(0x10, 0x2, 0x1, 0xff, 0xf)); +EXPORT_SYMBOL_GPL(amd_erratum_400); + +const int amd_erratum_383[] = + AMD_OSVW_ERRATUM(3, AMD_MODEL_RANGE(0x10, 0, 0, 0xff, 0xf)); +EXPORT_SYMBOL_GPL(amd_erratum_383); + +bool cpu_has_amd_erratum(const int *erratum) +{ + struct cpuinfo_x86 *cpu = ¤t_cpu_data; + int osvw_id = *erratum++; + u32 range; + u32 ms; + + /* + * If called early enough that current_cpu_data hasn't been initialized + * yet, fall back to boot_cpu_data. + */ + if (cpu->x86 == 0) + cpu = &boot_cpu_data; + + if (cpu->x86_vendor != X86_VENDOR_AMD) + return false; + + if (osvw_id >= 0 && osvw_id < 65536 && + cpu_has(cpu, X86_FEATURE_OSVW)) { + u64 osvw_len; + + rdmsrl(MSR_AMD64_OSVW_ID_LENGTH, osvw_len); + if (osvw_id < osvw_len) { + u64 osvw_bits; + + rdmsrl(MSR_AMD64_OSVW_STATUS + (osvw_id >> 6), + osvw_bits); + return osvw_bits & (1ULL << (osvw_id & 0x3f)); + } + } + + /* OSVW unavailable or ID unknown, match family-model-stepping range */ + ms = (cpu->x86_model << 4) | cpu->x86_mask; + while ((range = *erratum++)) + if ((cpu->x86 == AMD_MODEL_RANGE_FAMILY(range)) && + (ms >= AMD_MODEL_RANGE_START(range)) && + (ms <= AMD_MODEL_RANGE_END(range))) + return true; + + return false; +} + +EXPORT_SYMBOL_GPL(cpu_has_amd_erratum); diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 68e4a6f2211..490dac63c2d 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -140,10 +140,18 @@ EXPORT_PER_CPU_SYMBOL_GPL(gdt_page); static int __init x86_xsave_setup(char *s) { setup_clear_cpu_cap(X86_FEATURE_XSAVE); + setup_clear_cpu_cap(X86_FEATURE_XSAVEOPT); return 1; } __setup("noxsave", x86_xsave_setup); +static int __init x86_xsaveopt_setup(char *s) +{ + setup_clear_cpu_cap(X86_FEATURE_XSAVEOPT); + return 1; +} +__setup("noxsaveopt", x86_xsaveopt_setup); + #ifdef CONFIG_X86_32 static int cachesize_override __cpuinitdata = -1; static int disable_x86_serial_nr __cpuinitdata = 1; @@ -551,6 +559,16 @@ static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c) c->x86_capability[4] = excap; } + /* Additional Intel-defined flags: level 0x00000007 */ + if (c->cpuid_level >= 0x00000007) { + u32 eax, ebx, ecx, edx; + + cpuid_count(0x00000007, 0, &eax, &ebx, &ecx, &edx); + + if (eax > 0) + c->x86_capability[9] = ebx; + } + /* AMD-defined flags: level 0x80000001 */ xlvl = cpuid_eax(0x80000000); c->extended_cpuid_level = xlvl; @@ -576,6 +594,7 @@ static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c) if (c->extended_cpuid_level >= 0x80000007) c->x86_power = cpuid_edx(0x80000007); + init_scattered_cpuid_features(c); } static void __cpuinit identify_cpu_without_cpuid(struct cpuinfo_x86 *c) @@ -731,7 +750,6 @@ static void __cpuinit generic_identify(struct cpuinfo_x86 *c) get_model_name(c); /* Default name */ - init_scattered_cpuid_features(c); detect_nopl(c); } @@ -1192,6 +1210,7 @@ void __cpuinit cpu_init(void) dbg_restore_debug_regs(); fpu_init(); + xsave_init(); raw_local_save_flags(kernel_eflags); @@ -1252,12 +1271,7 @@ void __cpuinit cpu_init(void) clear_used_math(); mxcsr_feature_mask_init(); - /* - * Boot processor to setup the FP and extended state context info. - */ - if (smp_processor_id() == boot_cpu_id) - init_thread_xstate(); - + fpu_init(); xsave_init(); } #endif diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c index 246cd3afbb5..cd8da247dda 100644 --- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c +++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c @@ -72,7 +72,7 @@ struct acpi_cpufreq_data { static DEFINE_PER_CPU(struct acpi_cpufreq_data *, acfreq_data); /* acpi_perf_data is a pointer to percpu data. */ -static struct acpi_processor_performance *acpi_perf_data; +static struct acpi_processor_performance __percpu *acpi_perf_data; static struct cpufreq_driver acpi_cpufreq_driver; diff --git a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c index a36de5bbb62..994230d4dc4 100644 --- a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c +++ b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c @@ -110,7 +110,7 @@ struct pcc_cpu { u32 output_offset; }; -static struct pcc_cpu *pcc_cpu_info; +static struct pcc_cpu __percpu *pcc_cpu_info; static int pcc_cpufreq_verify(struct cpufreq_policy *policy) { diff --git a/arch/x86/kernel/cpu/hypervisor.c b/arch/x86/kernel/cpu/hypervisor.c index dd531cc56a8..8095f8611f8 100644 --- a/arch/x86/kernel/cpu/hypervisor.c +++ b/arch/x86/kernel/cpu/hypervisor.c @@ -34,6 +34,9 @@ static const __initconst struct hypervisor_x86 * const hypervisors[] = { &x86_hyper_vmware, &x86_hyper_ms_hyperv, +#ifdef CONFIG_XEN_PVHVM + &x86_hyper_xen_hvm, +#endif }; const struct hypervisor_x86 *x86_hyper; diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index 33eae2062cf..898c2f4eab8 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -347,8 +347,8 @@ static struct amd_l3_cache * __cpuinit amd_init_l3_cache(int node) return l3; } -static void __cpuinit -amd_check_l3_disable(int index, struct _cpuid4_info_regs *this_leaf) +static void __cpuinit amd_check_l3_disable(struct _cpuid4_info_regs *this_leaf, + int index) { int node; @@ -396,20 +396,39 @@ amd_check_l3_disable(int index, struct _cpuid4_info_regs *this_leaf) this_leaf->l3 = l3_caches[node]; } +/* + * check whether a slot used for disabling an L3 index is occupied. + * @l3: L3 cache descriptor + * @slot: slot number (0..1) + * + * @returns: the disabled index if used or negative value if slot free. + */ +int amd_get_l3_disable_slot(struct amd_l3_cache *l3, unsigned slot) +{ + unsigned int reg = 0; + + pci_read_config_dword(l3->dev, 0x1BC + slot * 4, ®); + + /* check whether this slot is activated already */ + if (reg & (3UL << 30)) + return reg & 0xfff; + + return -1; +} + static ssize_t show_cache_disable(struct _cpuid4_info *this_leaf, char *buf, unsigned int slot) { - struct pci_dev *dev = this_leaf->l3->dev; - unsigned int reg = 0; + int index; if (!this_leaf->l3 || !this_leaf->l3->can_disable) return -EINVAL; - if (!dev) - return -EINVAL; + index = amd_get_l3_disable_slot(this_leaf->l3, slot); + if (index >= 0) + return sprintf(buf, "%d\n", index); - pci_read_config_dword(dev, 0x1BC + slot * 4, ®); - return sprintf(buf, "0x%08x\n", reg); + return sprintf(buf, "FREE\n"); } #define SHOW_CACHE_DISABLE(slot) \ @@ -451,37 +470,74 @@ static void amd_l3_disable_index(struct amd_l3_cache *l3, int cpu, } } - -static ssize_t store_cache_disable(struct _cpuid4_info *this_leaf, - const char *buf, size_t count, - unsigned int slot) +/* + * disable a L3 cache index by using a disable-slot + * + * @l3: L3 cache descriptor + * @cpu: A CPU on the node containing the L3 cache + * @slot: slot number (0..1) + * @index: index to disable + * + * @return: 0 on success, error status on failure + */ +int amd_set_l3_disable_slot(struct amd_l3_cache *l3, int cpu, unsigned slot, + unsigned long index) { - struct pci_dev *dev = this_leaf->l3->dev; - int cpu = cpumask_first(to_cpumask(this_leaf->shared_cpu_map)); - unsigned long val = 0; + int ret = 0; #define SUBCACHE_MASK (3UL << 20) #define SUBCACHE_INDEX 0xfff - if (!this_leaf->l3 || !this_leaf->l3->can_disable) + /* + * check whether this slot is already used or + * the index is already disabled + */ + ret = amd_get_l3_disable_slot(l3, slot); + if (ret >= 0) return -EINVAL; + /* + * check whether the other slot has disabled the + * same index already + */ + if (index == amd_get_l3_disable_slot(l3, !slot)) + return -EINVAL; + + /* do not allow writes outside of allowed bits */ + if ((index & ~(SUBCACHE_MASK | SUBCACHE_INDEX)) || + ((index & SUBCACHE_INDEX) > l3->indices)) + return -EINVAL; + + amd_l3_disable_index(l3, cpu, slot, index); + + return 0; +} + +static ssize_t store_cache_disable(struct _cpuid4_info *this_leaf, + const char *buf, size_t count, + unsigned int slot) +{ + unsigned long val = 0; + int cpu, err = 0; + if (!capable(CAP_SYS_ADMIN)) return -EPERM; - if (!dev) + if (!this_leaf->l3 || !this_leaf->l3->can_disable) return -EINVAL; - if (strict_strtoul(buf, 10, &val) < 0) - return -EINVAL; + cpu = cpumask_first(to_cpumask(this_leaf->shared_cpu_map)); - /* do not allow writes outside of allowed bits */ - if ((val & ~(SUBCACHE_MASK | SUBCACHE_INDEX)) || - ((val & SUBCACHE_INDEX) > this_leaf->l3->indices)) + if (strict_strtoul(buf, 10, &val) < 0) return -EINVAL; - amd_l3_disable_index(this_leaf->l3, cpu, slot, val); - + err = amd_set_l3_disable_slot(this_leaf->l3, cpu, slot, val); + if (err) { + if (err == -EEXIST) + printk(KERN_WARNING "L3 disable slot %d in use!\n", + slot); + return err; + } return count; } @@ -502,7 +558,7 @@ static struct _cache_attr cache_disable_1 = __ATTR(cache_disable_1, 0644, #else /* CONFIG_CPU_SUP_AMD */ static void __cpuinit -amd_check_l3_disable(int index, struct _cpuid4_info_regs *this_leaf) +amd_check_l3_disable(struct _cpuid4_info_regs *this_leaf, int index) { }; #endif /* CONFIG_CPU_SUP_AMD */ @@ -518,7 +574,7 @@ __cpuinit cpuid4_cache_lookup_regs(int index, if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) { amd_cpuid4(index, &eax, &ebx, &ecx); - amd_check_l3_disable(index, this_leaf); + amd_check_l3_disable(this_leaf, index); } else { cpuid_count(4, index, &eax.full, &ebx.full, &ecx.full, &edx); } diff --git a/arch/x86/kernel/cpu/mcheck/mce-apei.c b/arch/x86/kernel/cpu/mcheck/mce-apei.c index 745b54f9be8..8209472b27a 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-apei.c +++ b/arch/x86/kernel/cpu/mcheck/mce-apei.c @@ -80,7 +80,7 @@ int apei_write_mce(struct mce *m) rcd.hdr.revision = CPER_RECORD_REV; rcd.hdr.signature_end = CPER_SIG_END; rcd.hdr.section_count = 1; - rcd.hdr.error_severity = CPER_SER_FATAL; + rcd.hdr.error_severity = CPER_SEV_FATAL; /* timestamp, platform_id, partition_id are all invalid */ rcd.hdr.validation_bits = 0; rcd.hdr.record_length = sizeof(rcd); @@ -96,7 +96,7 @@ int apei_write_mce(struct mce *m) rcd.sec_hdr.validation_bits = 0; rcd.sec_hdr.flags = CPER_SEC_PRIMARY; rcd.sec_hdr.section_type = CPER_SECTION_TYPE_MCE; - rcd.sec_hdr.section_severity = CPER_SER_FATAL; + rcd.sec_hdr.section_severity = CPER_SEV_FATAL; memcpy(&rcd.mce, m, sizeof(*m)); diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 1970ef911c9..ed41562909f 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -51,7 +51,7 @@ static DEFINE_MUTEX(mce_read_mutex); #define rcu_dereference_check_mce(p) \ - rcu_dereference_check((p), \ + rcu_dereference_index_check((p), \ rcu_read_lock_sched_held() || \ lockdep_is_held(&mce_read_mutex)) @@ -107,8 +107,8 @@ EXPORT_SYMBOL_GPL(x86_mce_decoder_chain); static int default_decode_mce(struct notifier_block *nb, unsigned long val, void *data) { - pr_emerg("No human readable MCE decoding support on this CPU type.\n"); - pr_emerg("Run the message through 'mcelog --ascii' to decode.\n"); + pr_emerg(HW_ERR "No human readable MCE decoding support on this CPU type.\n"); + pr_emerg(HW_ERR "Run the message through 'mcelog --ascii' to decode.\n"); return NOTIFY_STOP; } @@ -211,11 +211,11 @@ void mce_log(struct mce *mce) static void print_mce(struct mce *m) { - pr_emerg("CPU %d: Machine Check Exception: %16Lx Bank %d: %016Lx\n", + pr_emerg(HW_ERR "CPU %d: Machine Check Exception: %Lx Bank %d: %016Lx\n", m->extcpu, m->mcgstatus, m->bank, m->status); if (m->ip) { - pr_emerg("RIP%s %02x:<%016Lx> ", + pr_emerg(HW_ERR "RIP%s %02x:<%016Lx> ", !(m->mcgstatus & MCG_STATUS_EIPV) ? " !INEXACT!" : "", m->cs, m->ip); @@ -224,14 +224,14 @@ static void print_mce(struct mce *m) pr_cont("\n"); } - pr_emerg("TSC %llx ", m->tsc); + pr_emerg(HW_ERR "TSC %llx ", m->tsc); if (m->addr) pr_cont("ADDR %llx ", m->addr); if (m->misc) pr_cont("MISC %llx ", m->misc); pr_cont("\n"); - pr_emerg("PROCESSOR %u:%x TIME %llu SOCKET %u APIC %x\n", + pr_emerg(HW_ERR "PROCESSOR %u:%x TIME %llu SOCKET %u APIC %x\n", m->cpuvendor, m->cpuid, m->time, m->socketid, m->apicid); /* @@ -241,16 +241,6 @@ static void print_mce(struct mce *m) atomic_notifier_call_chain(&x86_mce_decoder_chain, 0, m); } -static void print_mce_head(void) -{ - pr_emerg("\nHARDWARE ERROR\n"); -} - -static void print_mce_tail(void) -{ - pr_emerg("This is not a software problem!\n"); -} - #define PANIC_TIMEOUT 5 /* 5 seconds */ static atomic_t mce_paniced; @@ -291,7 +281,6 @@ static void mce_panic(char *msg, struct mce *final, char *exp) if (atomic_inc_return(&mce_fake_paniced) > 1) return; } - print_mce_head(); /* First print corrected ones that are still unlogged */ for (i = 0; i < MCE_LOG_LEN; i++) { struct mce *m = &mcelog.entry[i]; @@ -322,16 +311,15 @@ static void mce_panic(char *msg, struct mce *final, char *exp) apei_err = apei_write_mce(final); } if (cpu_missing) - printk(KERN_EMERG "Some CPUs didn't answer in synchronization\n"); - print_mce_tail(); + pr_emerg(HW_ERR "Some CPUs didn't answer in synchronization\n"); if (exp) - printk(KERN_EMERG "Machine check: %s\n", exp); + pr_emerg(HW_ERR "Machine check: %s\n", exp); if (!fake_panic) { if (panic_timeout == 0) panic_timeout = mce_panic_timeout; panic(msg); } else - printk(KERN_EMERG "Fake kernel panic: %s\n", msg); + pr_emerg(HW_ERR "Fake kernel panic: %s\n", msg); } /* Support code for software error injection */ @@ -1221,7 +1209,7 @@ int mce_notify_irq(void) schedule_work(&mce_trigger_work); if (__ratelimit(&ratelimit)) - printk(KERN_INFO "Machine check events logged\n"); + pr_info(HW_ERR "Machine check events logged\n"); return 1; } diff --git a/arch/x86/kernel/cpu/mcheck/mce_intel.c b/arch/x86/kernel/cpu/mcheck/mce_intel.c index 62b48e40920..6fcd0936194 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_intel.c +++ b/arch/x86/kernel/cpu/mcheck/mce_intel.c @@ -95,19 +95,20 @@ static void cmci_discover(int banks, int boot) rdmsrl(MSR_IA32_MCx_CTL2(i), val); /* Already owned by someone else? */ - if (val & CMCI_EN) { + if (val & MCI_CTL2_CMCI_EN) { if (test_and_clear_bit(i, owned) && !boot) print_update("SHD", &hdr, i); __clear_bit(i, __get_cpu_var(mce_poll_banks)); continue; } - val |= CMCI_EN | CMCI_THRESHOLD; + val &= ~MCI_CTL2_CMCI_THRESHOLD_MASK; + val |= MCI_CTL2_CMCI_EN | CMCI_THRESHOLD; wrmsrl(MSR_IA32_MCx_CTL2(i), val); rdmsrl(MSR_IA32_MCx_CTL2(i), val); /* Did the enable bit stick? -- the bank supports CMCI */ - if (val & CMCI_EN) { + if (val & MCI_CTL2_CMCI_EN) { if (!test_and_set_bit(i, owned) && !boot) print_update("CMCI", &hdr, i); __clear_bit(i, __get_cpu_var(mce_poll_banks)); @@ -155,7 +156,7 @@ void cmci_clear(void) continue; /* Disable CMCI */ rdmsrl(MSR_IA32_MCx_CTL2(i), val); - val &= ~(CMCI_EN|CMCI_THRESHOLD_MASK); + val &= ~(MCI_CTL2_CMCI_EN|MCI_CTL2_CMCI_THRESHOLD_MASK); wrmsrl(MSR_IA32_MCx_CTL2(i), val); __clear_bit(i, __get_cpu_var(mce_banks_owned)); } diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c index e1a0a3bf971..c2a8b26d4fe 100644 --- a/arch/x86/kernel/cpu/mcheck/therm_throt.c +++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c @@ -34,15 +34,25 @@ /* How long to wait between reporting thermal events */ #define CHECK_INTERVAL (300 * HZ) +#define THERMAL_THROTTLING_EVENT 0 +#define POWER_LIMIT_EVENT 1 + /* - * Current thermal throttling state: + * Current thermal event state: */ -struct thermal_state { - bool is_throttled; - +struct _thermal_state { + bool new_event; + int event; u64 next_check; - unsigned long throttle_count; - unsigned long last_throttle_count; + unsigned long count; + unsigned long last_count; +}; + +struct thermal_state { + struct _thermal_state core_throttle; + struct _thermal_state core_power_limit; + struct _thermal_state package_throttle; + struct _thermal_state package_power_limit; }; static DEFINE_PER_CPU(struct thermal_state, thermal_state); @@ -53,11 +63,13 @@ static u32 lvtthmr_init __read_mostly; #ifdef CONFIG_SYSFS #define define_therm_throt_sysdev_one_ro(_name) \ - static SYSDEV_ATTR(_name, 0444, therm_throt_sysdev_show_##_name, NULL) + static SYSDEV_ATTR(_name, 0444, \ + therm_throt_sysdev_show_##_name, \ + NULL) \ -#define define_therm_throt_sysdev_show_func(name) \ +#define define_therm_throt_sysdev_show_func(event, name) \ \ -static ssize_t therm_throt_sysdev_show_##name( \ +static ssize_t therm_throt_sysdev_show_##event##_##name( \ struct sys_device *dev, \ struct sysdev_attribute *attr, \ char *buf) \ @@ -66,30 +78,42 @@ static ssize_t therm_throt_sysdev_show_##name( \ ssize_t ret; \ \ preempt_disable(); /* CPU hotplug */ \ - if (cpu_online(cpu)) \ + if (cpu_online(cpu)) { \ ret = sprintf(buf, "%lu\n", \ - per_cpu(thermal_state, cpu).name); \ - else \ + per_cpu(thermal_state, cpu).event.name); \ + } else \ ret = 0; \ preempt_enable(); \ \ return ret; \ } -define_therm_throt_sysdev_show_func(throttle_count); -define_therm_throt_sysdev_one_ro(throttle_count); +define_therm_throt_sysdev_show_func(core_throttle, count); +define_therm_throt_sysdev_one_ro(core_throttle_count); + +define_therm_throt_sysdev_show_func(core_power_limit, count); +define_therm_throt_sysdev_one_ro(core_power_limit_count); + +define_therm_throt_sysdev_show_func(package_throttle, count); +define_therm_throt_sysdev_one_ro(package_throttle_count); + +define_therm_throt_sysdev_show_func(package_power_limit, count); +define_therm_throt_sysdev_one_ro(package_power_limit_count); static struct attribute *thermal_throttle_attrs[] = { - &attr_throttle_count.attr, + &attr_core_throttle_count.attr, NULL }; -static struct attribute_group thermal_throttle_attr_group = { +static struct attribute_group thermal_attr_group = { .attrs = thermal_throttle_attrs, .name = "thermal_throttle" }; #endif /* CONFIG_SYSFS */ +#define CORE_LEVEL 0 +#define PACKAGE_LEVEL 1 + /*** * therm_throt_process - Process thermal throttling event from interrupt * @curr: Whether the condition is current or not (boolean), since the @@ -106,39 +130,70 @@ static struct attribute_group thermal_throttle_attr_group = { * 1 : Event should be logged further, and a message has been * printed to the syslog. */ -static int therm_throt_process(bool is_throttled) +static int therm_throt_process(bool new_event, int event, int level) { - struct thermal_state *state; - unsigned int this_cpu; - bool was_throttled; + struct _thermal_state *state; + unsigned int this_cpu = smp_processor_id(); + bool old_event; u64 now; + struct thermal_state *pstate = &per_cpu(thermal_state, this_cpu); - this_cpu = smp_processor_id(); now = get_jiffies_64(); - state = &per_cpu(thermal_state, this_cpu); + if (level == CORE_LEVEL) { + if (event == THERMAL_THROTTLING_EVENT) + state = &pstate->core_throttle; + else if (event == POWER_LIMIT_EVENT) + state = &pstate->core_power_limit; + else + return 0; + } else if (level == PACKAGE_LEVEL) { + if (event == THERMAL_THROTTLING_EVENT) + state = &pstate->package_throttle; + else if (event == POWER_LIMIT_EVENT) + state = &pstate->package_power_limit; + else + return 0; + } else + return 0; - was_throttled = state->is_throttled; - state->is_throttled = is_throttled; + old_event = state->new_event; + state->new_event = new_event; - if (is_throttled) - state->throttle_count++; + if (new_event) + state->count++; if (time_before64(now, state->next_check) && - state->throttle_count != state->last_throttle_count) + state->count != state->last_count) return 0; state->next_check = now + CHECK_INTERVAL; - state->last_throttle_count = state->throttle_count; + state->last_count = state->count; /* if we just entered the thermal event */ - if (is_throttled) { - printk(KERN_CRIT "CPU%d: Temperature above threshold, cpu clock throttled (total events = %lu)\n", this_cpu, state->throttle_count); + if (new_event) { + if (event == THERMAL_THROTTLING_EVENT) + printk(KERN_CRIT "CPU%d: %s temperature above threshold, cpu clock throttled (total events = %lu)\n", + this_cpu, + level == CORE_LEVEL ? "Core" : "Package", + state->count); + else + printk(KERN_CRIT "CPU%d: %s power limit notification (total events = %lu)\n", + this_cpu, + level == CORE_LEVEL ? "Core" : "Package", + state->count); add_taint(TAINT_MACHINE_CHECK); return 1; } - if (was_throttled) { - printk(KERN_INFO "CPU%d: Temperature/speed normal\n", this_cpu); + if (old_event) { + if (event == THERMAL_THROTTLING_EVENT) + printk(KERN_INFO "CPU%d: %s temperature/speed normal\n", + this_cpu, + level == CORE_LEVEL ? "Core" : "Package"); + else + printk(KERN_INFO "CPU%d: %s power limit normal\n", + this_cpu, + level == CORE_LEVEL ? "Core" : "Package"); return 1; } @@ -149,13 +204,32 @@ static int therm_throt_process(bool is_throttled) /* Add/Remove thermal_throttle interface for CPU device: */ static __cpuinit int thermal_throttle_add_dev(struct sys_device *sys_dev) { - return sysfs_create_group(&sys_dev->kobj, - &thermal_throttle_attr_group); + int err; + struct cpuinfo_x86 *c = &cpu_data(smp_processor_id()); + + err = sysfs_create_group(&sys_dev->kobj, &thermal_attr_group); + if (err) + return err; + + if (cpu_has(c, X86_FEATURE_PLN)) + err = sysfs_add_file_to_group(&sys_dev->kobj, + &attr_core_power_limit_count.attr, + thermal_attr_group.name); + if (cpu_has(c, X86_FEATURE_PTS)) + err = sysfs_add_file_to_group(&sys_dev->kobj, + &attr_package_throttle_count.attr, + thermal_attr_group.name); + if (cpu_has(c, X86_FEATURE_PLN)) + err = sysfs_add_file_to_group(&sys_dev->kobj, + &attr_package_power_limit_count.attr, + thermal_attr_group.name); + + return err; } static __cpuinit void thermal_throttle_remove_dev(struct sys_device *sys_dev) { - sysfs_remove_group(&sys_dev->kobj, &thermal_throttle_attr_group); + sysfs_remove_group(&sys_dev->kobj, &thermal_attr_group); } /* Mutex protecting device creation against CPU hotplug: */ @@ -226,14 +300,50 @@ device_initcall(thermal_throttle_init_device); #endif /* CONFIG_SYSFS */ +/* + * Set up the most two significant bit to notify mce log that this thermal + * event type. + * This is a temp solution. May be changed in the future with mce log + * infrasture. + */ +#define CORE_THROTTLED (0) +#define CORE_POWER_LIMIT ((__u64)1 << 62) +#define PACKAGE_THROTTLED ((__u64)2 << 62) +#define PACKAGE_POWER_LIMIT ((__u64)3 << 62) + /* Thermal transition interrupt handler */ static void intel_thermal_interrupt(void) { __u64 msr_val; + struct cpuinfo_x86 *c = &cpu_data(smp_processor_id()); rdmsrl(MSR_IA32_THERM_STATUS, msr_val); - if (therm_throt_process((msr_val & THERM_STATUS_PROCHOT) != 0)) - mce_log_therm_throt_event(msr_val); + + if (therm_throt_process(msr_val & THERM_STATUS_PROCHOT, + THERMAL_THROTTLING_EVENT, + CORE_LEVEL) != 0) + mce_log_therm_throt_event(CORE_THROTTLED | msr_val); + + if (cpu_has(c, X86_FEATURE_PLN)) + if (therm_throt_process(msr_val & THERM_STATUS_POWER_LIMIT, + POWER_LIMIT_EVENT, + CORE_LEVEL) != 0) + mce_log_therm_throt_event(CORE_POWER_LIMIT | msr_val); + + if (cpu_has(c, X86_FEATURE_PTS)) { + rdmsrl(MSR_IA32_PACKAGE_THERM_STATUS, msr_val); + if (therm_throt_process(msr_val & PACKAGE_THERM_STATUS_PROCHOT, + THERMAL_THROTTLING_EVENT, + PACKAGE_LEVEL) != 0) + mce_log_therm_throt_event(PACKAGE_THROTTLED | msr_val); + if (cpu_has(c, X86_FEATURE_PLN)) + if (therm_throt_process(msr_val & + PACKAGE_THERM_STATUS_POWER_LIMIT, + POWER_LIMIT_EVENT, + PACKAGE_LEVEL) != 0) + mce_log_therm_throt_event(PACKAGE_POWER_LIMIT + | msr_val); + } } static void unexpected_thermal_interrupt(void) @@ -335,8 +445,26 @@ void intel_init_thermal(struct cpuinfo_x86 *c) apic_write(APIC_LVTTHMR, h); rdmsr(MSR_IA32_THERM_INTERRUPT, l, h); - wrmsr(MSR_IA32_THERM_INTERRUPT, - l | (THERM_INT_LOW_ENABLE | THERM_INT_HIGH_ENABLE), h); + if (cpu_has(c, X86_FEATURE_PLN)) + wrmsr(MSR_IA32_THERM_INTERRUPT, + l | (THERM_INT_LOW_ENABLE + | THERM_INT_HIGH_ENABLE | THERM_INT_PLN_ENABLE), h); + else + wrmsr(MSR_IA32_THERM_INTERRUPT, + l | (THERM_INT_LOW_ENABLE | THERM_INT_HIGH_ENABLE), h); + + if (cpu_has(c, X86_FEATURE_PTS)) { + rdmsr(MSR_IA32_PACKAGE_THERM_INTERRUPT, l, h); + if (cpu_has(c, X86_FEATURE_PLN)) + wrmsr(MSR_IA32_PACKAGE_THERM_INTERRUPT, + l | (PACKAGE_THERM_INT_LOW_ENABLE + | PACKAGE_THERM_INT_HIGH_ENABLE + | PACKAGE_THERM_INT_PLN_ENABLE), h); + else + wrmsr(MSR_IA32_PACKAGE_THERM_INTERRUPT, + l | (PACKAGE_THERM_INT_LOW_ENABLE + | PACKAGE_THERM_INT_HIGH_ENABLE), h); + } smp_thermal_vector = intel_thermal_interrupt; diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index 16f41bbe46b..d944bf6c50e 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -18,6 +18,7 @@ #include <asm/mshyperv.h> struct ms_hyperv_info ms_hyperv; +EXPORT_SYMBOL_GPL(ms_hyperv); static bool __init ms_hyperv_platform(void) { diff --git a/arch/x86/kernel/cpu/mtrr/cleanup.c b/arch/x86/kernel/cpu/mtrr/cleanup.c index 06130b52f01..c5f59d07142 100644 --- a/arch/x86/kernel/cpu/mtrr/cleanup.c +++ b/arch/x86/kernel/cpu/mtrr/cleanup.c @@ -632,9 +632,9 @@ static void __init mtrr_print_out_one_result(int i) unsigned long gran_base, chunk_base, lose_base; char gran_factor, chunk_factor, lose_factor; - gran_base = to_size_factor(result[i].gran_sizek, &gran_factor), - chunk_base = to_size_factor(result[i].chunk_sizek, &chunk_factor), - lose_base = to_size_factor(result[i].lose_cover_sizek, &lose_factor), + gran_base = to_size_factor(result[i].gran_sizek, &gran_factor); + chunk_base = to_size_factor(result[i].chunk_sizek, &chunk_factor); + lose_base = to_size_factor(result[i].lose_cover_sizek, &lose_factor); pr_info("%sgran_size: %ld%c \tchunk_size: %ld%c \t", result[i].bad ? "*BAD*" : " ", diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c index fd31a441c61..7d28d7d0388 100644 --- a/arch/x86/kernel/cpu/mtrr/generic.c +++ b/arch/x86/kernel/cpu/mtrr/generic.c @@ -433,13 +433,12 @@ static void generic_get_mtrr(unsigned int reg, unsigned long *base, { unsigned int mask_lo, mask_hi, base_lo, base_hi; unsigned int tmp, hi; - int cpu; /* * get_mtrr doesn't need to update mtrr_state, also it could be called * from any cpu, so try to print it out directly. */ - cpu = get_cpu(); + get_cpu(); rdmsr(MTRRphysMask_MSR(reg), mask_lo, mask_hi); diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c index 79556bd9b60..01c0f3ee6cc 100644 --- a/arch/x86/kernel/cpu/mtrr/main.c +++ b/arch/x86/kernel/cpu/mtrr/main.c @@ -35,6 +35,7 @@ #include <linux/types.h> /* FIXME: kvm_para.h needs this */ +#include <linux/stop_machine.h> #include <linux/kvm_para.h> #include <linux/uaccess.h> #include <linux/module.h> @@ -143,22 +144,28 @@ struct set_mtrr_data { mtrr_type smp_type; }; +static DEFINE_PER_CPU(struct cpu_stop_work, mtrr_work); + /** - * ipi_handler - Synchronisation handler. Executed by "other" CPUs. + * mtrr_work_handler - Synchronisation handler. Executed by "other" CPUs. * @info: pointer to mtrr configuration data * * Returns nothing. */ -static void ipi_handler(void *info) +static int mtrr_work_handler(void *info) { #ifdef CONFIG_SMP struct set_mtrr_data *data = info; unsigned long flags; + atomic_dec(&data->count); + while (!atomic_read(&data->gate)) + cpu_relax(); + local_irq_save(flags); atomic_dec(&data->count); - while (!atomic_read(&data->gate)) + while (atomic_read(&data->gate)) cpu_relax(); /* The master has cleared me to execute */ @@ -173,12 +180,13 @@ static void ipi_handler(void *info) } atomic_dec(&data->count); - while (atomic_read(&data->gate)) + while (!atomic_read(&data->gate)) cpu_relax(); atomic_dec(&data->count); local_irq_restore(flags); #endif + return 0; } static inline int types_compatible(mtrr_type type1, mtrr_type type2) @@ -198,7 +206,7 @@ static inline int types_compatible(mtrr_type type1, mtrr_type type2) * * This is kinda tricky, but fortunately, Intel spelled it out for us cleanly: * - * 1. Send IPI to do the following: + * 1. Queue work to do the following on all processors: * 2. Disable Interrupts * 3. Wait for all procs to do so * 4. Enter no-fill cache mode @@ -215,14 +223,17 @@ static inline int types_compatible(mtrr_type type1, mtrr_type type2) * 15. Enable interrupts. * * What does that mean for us? Well, first we set data.count to the number - * of CPUs. As each CPU disables interrupts, it'll decrement it once. We wait - * until it hits 0 and proceed. We set the data.gate flag and reset data.count. - * Meanwhile, they are waiting for that flag to be set. Once it's set, each + * of CPUs. As each CPU announces that it started the rendezvous handler by + * decrementing the count, We reset data.count and set the data.gate flag + * allowing all the cpu's to proceed with the work. As each cpu disables + * interrupts, it'll decrement data.count once. We wait until it hits 0 and + * proceed. We clear the data.gate flag and reset data.count. Meanwhile, they + * are waiting for that flag to be cleared. Once it's cleared, each * CPU goes through the transition of updating MTRRs. * The CPU vendors may each do it differently, * so we call mtrr_if->set() callback and let them take care of it. * When they're done, they again decrement data->count and wait for data.gate - * to be reset. + * to be set. * When we finish, we wait for data.count to hit 0 and toggle the data.gate flag * Everyone then enables interrupts and we all continue on. * @@ -234,6 +245,9 @@ set_mtrr(unsigned int reg, unsigned long base, unsigned long size, mtrr_type typ { struct set_mtrr_data data; unsigned long flags; + int cpu; + + preempt_disable(); data.smp_reg = reg; data.smp_base = base; @@ -246,10 +260,15 @@ set_mtrr(unsigned int reg, unsigned long base, unsigned long size, mtrr_type typ atomic_set(&data.gate, 0); /* Start the ball rolling on other CPUs */ - if (smp_call_function(ipi_handler, &data, 0) != 0) - panic("mtrr: timed out waiting for other CPUs\n"); + for_each_online_cpu(cpu) { + struct cpu_stop_work *work = &per_cpu(mtrr_work, cpu); + + if (cpu == smp_processor_id()) + continue; + + stop_one_cpu_nowait(cpu, mtrr_work_handler, &data, work); + } - local_irq_save(flags); while (atomic_read(&data.count)) cpu_relax(); @@ -259,6 +278,16 @@ set_mtrr(unsigned int reg, unsigned long base, unsigned long size, mtrr_type typ smp_wmb(); atomic_set(&data.gate, 1); + local_irq_save(flags); + + while (atomic_read(&data.count)) + cpu_relax(); + + /* Ok, reset count and toggle gate */ + atomic_set(&data.count, num_booting_cpus() - 1); + smp_wmb(); + atomic_set(&data.gate, 0); + /* Do our MTRR business */ /* @@ -279,7 +308,7 @@ set_mtrr(unsigned int reg, unsigned long base, unsigned long size, mtrr_type typ atomic_set(&data.count, num_booting_cpus() - 1); smp_wmb(); - atomic_set(&data.gate, 0); + atomic_set(&data.gate, 1); /* * Wait here for everyone to have seen the gate change @@ -289,6 +318,7 @@ set_mtrr(unsigned int reg, unsigned long base, unsigned long size, mtrr_type typ cpu_relax(); local_irq_restore(flags); + preempt_enable(); } /** diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 5db5b7d65a1..f2da20fda02 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -220,6 +220,7 @@ struct x86_pmu { struct perf_event *event); struct event_constraint *event_constraints; void (*quirks)(void); + int perfctr_second_write; int (*cpu_prepare)(int cpu); void (*cpu_starting)(int cpu); @@ -295,10 +296,10 @@ x86_perf_event_update(struct perf_event *event) * count to the generic event atomically: */ again: - prev_raw_count = atomic64_read(&hwc->prev_count); + prev_raw_count = local64_read(&hwc->prev_count); rdmsrl(hwc->event_base + idx, new_raw_count); - if (atomic64_cmpxchg(&hwc->prev_count, prev_raw_count, + if (local64_cmpxchg(&hwc->prev_count, prev_raw_count, new_raw_count) != prev_raw_count) goto again; @@ -313,8 +314,8 @@ again: delta = (new_raw_count << shift) - (prev_raw_count << shift); delta >>= shift; - atomic64_add(delta, &event->count); - atomic64_sub(delta, &hwc->period_left); + local64_add(delta, &event->count); + local64_sub(delta, &hwc->period_left); return new_raw_count; } @@ -438,7 +439,7 @@ static int x86_setup_perfctr(struct perf_event *event) if (!hwc->sample_period) { hwc->sample_period = x86_pmu.max_period; hwc->last_period = hwc->sample_period; - atomic64_set(&hwc->period_left, hwc->sample_period); + local64_set(&hwc->period_left, hwc->sample_period); } else { /* * If we have a PMU initialized but no APIC @@ -885,7 +886,7 @@ static int x86_perf_event_set_period(struct perf_event *event) { struct hw_perf_event *hwc = &event->hw; - s64 left = atomic64_read(&hwc->period_left); + s64 left = local64_read(&hwc->period_left); s64 period = hwc->sample_period; int ret = 0, idx = hwc->idx; @@ -897,14 +898,14 @@ x86_perf_event_set_period(struct perf_event *event) */ if (unlikely(left <= -period)) { left = period; - atomic64_set(&hwc->period_left, left); + local64_set(&hwc->period_left, left); hwc->last_period = period; ret = 1; } if (unlikely(left <= 0)) { left += period; - atomic64_set(&hwc->period_left, left); + local64_set(&hwc->period_left, left); hwc->last_period = period; ret = 1; } @@ -923,10 +924,19 @@ x86_perf_event_set_period(struct perf_event *event) * The hw event starts counting from this event offset, * mark it to be able to extra future deltas: */ - atomic64_set(&hwc->prev_count, (u64)-left); + local64_set(&hwc->prev_count, (u64)-left); - wrmsrl(hwc->event_base + idx, + wrmsrl(hwc->event_base + idx, (u64)(-left) & x86_pmu.cntval_mask); + + /* + * Due to erratum on certan cpu we need + * a second write to be sure the register + * is updated properly + */ + if (x86_pmu.perfctr_second_write) { + wrmsrl(hwc->event_base + idx, (u64)(-left) & x86_pmu.cntval_mask); + } perf_event_update_userpage(event); @@ -969,7 +979,7 @@ static int x86_pmu_enable(struct perf_event *event) * skip the schedulability test here, it will be peformed * at commit time(->commit_txn) as a whole */ - if (cpuc->group_flag & PERF_EVENT_TXN_STARTED) + if (cpuc->group_flag & PERF_EVENT_TXN) goto out; ret = x86_pmu.schedule_events(cpuc, n, assign); @@ -1096,7 +1106,7 @@ static void x86_pmu_disable(struct perf_event *event) * The events never got scheduled and ->cancel_txn will truncate * the event_list. */ - if (cpuc->group_flag & PERF_EVENT_TXN_STARTED) + if (cpuc->group_flag & PERF_EVENT_TXN) return; x86_pmu_stop(event); @@ -1388,7 +1398,7 @@ static void x86_pmu_start_txn(const struct pmu *pmu) { struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); - cpuc->group_flag |= PERF_EVENT_TXN_STARTED; + cpuc->group_flag |= PERF_EVENT_TXN; cpuc->n_txn = 0; } @@ -1401,7 +1411,7 @@ static void x86_pmu_cancel_txn(const struct pmu *pmu) { struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); - cpuc->group_flag &= ~PERF_EVENT_TXN_STARTED; + cpuc->group_flag &= ~PERF_EVENT_TXN; /* * Truncate the collected events. */ @@ -1435,11 +1445,7 @@ static int x86_pmu_commit_txn(const struct pmu *pmu) */ memcpy(cpuc->assign, assign, n*sizeof(int)); - /* - * Clear out the txn count so that ->cancel_txn() which gets - * run after ->commit_txn() doesn't undo things. - */ - cpuc->n_txn = 0; + cpuc->group_flag &= ~PERF_EVENT_TXN; return 0; } @@ -1607,8 +1613,6 @@ static const struct stacktrace_ops backtrace_ops = { .walk_stack = print_context_stack_bp, }; -#include "../dumpstack.h" - static void perf_callchain_kernel(struct pt_regs *regs, struct perf_callchain_entry *entry) { @@ -1730,22 +1734,6 @@ struct perf_callchain_entry *perf_callchain(struct pt_regs *regs) return entry; } -void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip) -{ - regs->ip = ip; - /* - * perf_arch_fetch_caller_regs adds another call, we need to increment - * the skip level - */ - regs->bp = rewind_frame_pointer(skip + 1); - regs->cs = __KERNEL_CS; - /* - * We abuse bit 3 to pass exact information, see perf_misc_flags - * and the comment with PERF_EFLAGS_EXACT. - */ - regs->flags = 0; -} - unsigned long perf_instruction_pointer(struct pt_regs *regs) { unsigned long ip; diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index 214ac860ebe..d8d86d01400 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -491,33 +491,78 @@ static void intel_pmu_enable_all(int added) * Intel Errata AAP53 (model 30) * Intel Errata BD53 (model 44) * - * These chips need to be 'reset' when adding counters by programming - * the magic three (non counting) events 0x4300D2, 0x4300B1 and 0x4300B5 - * either in sequence on the same PMC or on different PMCs. + * The official story: + * These chips need to be 'reset' when adding counters by programming the + * magic three (non-counting) events 0x4300B5, 0x4300D2, and 0x4300B1 either + * in sequence on the same PMC or on different PMCs. + * + * In practise it appears some of these events do in fact count, and + * we need to programm all 4 events. */ -static void intel_pmu_nhm_enable_all(int added) +static void intel_pmu_nhm_workaround(void) { - if (added) { - struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); - int i; + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + static const unsigned long nhm_magic[4] = { + 0x4300B5, + 0x4300D2, + 0x4300B1, + 0x4300B1 + }; + struct perf_event *event; + int i; + + /* + * The Errata requires below steps: + * 1) Clear MSR_IA32_PEBS_ENABLE and MSR_CORE_PERF_GLOBAL_CTRL; + * 2) Configure 4 PERFEVTSELx with the magic events and clear + * the corresponding PMCx; + * 3) set bit0~bit3 of MSR_CORE_PERF_GLOBAL_CTRL; + * 4) Clear MSR_CORE_PERF_GLOBAL_CTRL; + * 5) Clear 4 pairs of ERFEVTSELx and PMCx; + */ + + /* + * The real steps we choose are a little different from above. + * A) To reduce MSR operations, we don't run step 1) as they + * are already cleared before this function is called; + * B) Call x86_perf_event_update to save PMCx before configuring + * PERFEVTSELx with magic number; + * C) With step 5), we do clear only when the PERFEVTSELx is + * not used currently. + * D) Call x86_perf_event_set_period to restore PMCx; + */ - wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + 0, 0x4300D2); - wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + 1, 0x4300B1); - wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + 2, 0x4300B5); + /* We always operate 4 pairs of PERF Counters */ + for (i = 0; i < 4; i++) { + event = cpuc->events[i]; + if (event) + x86_perf_event_update(event); + } - wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0x3); - wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0x0); + for (i = 0; i < 4; i++) { + wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, nhm_magic[i]); + wrmsrl(MSR_ARCH_PERFMON_PERFCTR0 + i, 0x0); + } - for (i = 0; i < 3; i++) { - struct perf_event *event = cpuc->events[i]; + wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0xf); + wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0x0); - if (!event) - continue; + for (i = 0; i < 4; i++) { + event = cpuc->events[i]; + if (event) { + x86_perf_event_set_period(event); __x86_pmu_enable_event(&event->hw, - ARCH_PERFMON_EVENTSEL_ENABLE); - } + ARCH_PERFMON_EVENTSEL_ENABLE); + } else + wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, 0x0); } +} + +static void intel_pmu_nhm_enable_all(int added) +{ + if (added) + intel_pmu_nhm_workaround(); intel_pmu_enable_all(added); } diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c index ae85d69644d..7e578e9cc58 100644 --- a/arch/x86/kernel/cpu/perf_event_p4.c +++ b/arch/x86/kernel/cpu/perf_event_p4.c @@ -21,22 +21,36 @@ struct p4_event_bind { char cntr[2][P4_CNTR_LIMIT]; /* counter index (offset), -1 on abscence */ }; -struct p4_cache_event_bind { +struct p4_pebs_bind { unsigned int metric_pebs; unsigned int metric_vert; }; -#define P4_GEN_CACHE_EVENT_BIND(name) \ - [P4_CACHE__##name] = { \ - .metric_pebs = P4_PEBS__##name, \ - .metric_vert = P4_VERT__##name, \ +/* it sets P4_PEBS_ENABLE_UOP_TAG as well */ +#define P4_GEN_PEBS_BIND(name, pebs, vert) \ + [P4_PEBS_METRIC__##name] = { \ + .metric_pebs = pebs | P4_PEBS_ENABLE_UOP_TAG, \ + .metric_vert = vert, \ } -static struct p4_cache_event_bind p4_cache_event_bind_map[] = { - P4_GEN_CACHE_EVENT_BIND(1stl_cache_load_miss_retired), - P4_GEN_CACHE_EVENT_BIND(2ndl_cache_load_miss_retired), - P4_GEN_CACHE_EVENT_BIND(dtlb_load_miss_retired), - P4_GEN_CACHE_EVENT_BIND(dtlb_store_miss_retired), +/* + * note we have P4_PEBS_ENABLE_UOP_TAG always set here + * + * it's needed for mapping P4_PEBS_CONFIG_METRIC_MASK bits of + * event configuration to find out which values are to be + * written into MSR_IA32_PEBS_ENABLE and MSR_P4_PEBS_MATRIX_VERT + * resgisters + */ +static struct p4_pebs_bind p4_pebs_bind_map[] = { + P4_GEN_PEBS_BIND(1stl_cache_load_miss_retired, 0x0000001, 0x0000001), + P4_GEN_PEBS_BIND(2ndl_cache_load_miss_retired, 0x0000002, 0x0000001), + P4_GEN_PEBS_BIND(dtlb_load_miss_retired, 0x0000004, 0x0000001), + P4_GEN_PEBS_BIND(dtlb_store_miss_retired, 0x0000004, 0x0000002), + P4_GEN_PEBS_BIND(dtlb_all_miss_retired, 0x0000004, 0x0000003), + P4_GEN_PEBS_BIND(tagged_mispred_branch, 0x0018000, 0x0000010), + P4_GEN_PEBS_BIND(mob_load_replay_retired, 0x0000200, 0x0000001), + P4_GEN_PEBS_BIND(split_load_retired, 0x0000400, 0x0000001), + P4_GEN_PEBS_BIND(split_store_retired, 0x0000400, 0x0000002), }; /* @@ -281,10 +295,10 @@ static struct p4_event_bind p4_event_bind_map[] = { }, }; -#define P4_GEN_CACHE_EVENT(event, bit, cache_event) \ +#define P4_GEN_CACHE_EVENT(event, bit, metric) \ p4_config_pack_escr(P4_ESCR_EVENT(event) | \ P4_ESCR_EMASK_BIT(event, bit)) | \ - p4_config_pack_cccr(cache_event | \ + p4_config_pack_cccr(metric | \ P4_CCCR_ESEL(P4_OPCODE_ESEL(P4_OPCODE(event)))) static __initconst const u64 p4_hw_cache_event_ids @@ -296,34 +310,34 @@ static __initconst const u64 p4_hw_cache_event_ids [ C(OP_READ) ] = { [ C(RESULT_ACCESS) ] = 0x0, [ C(RESULT_MISS) ] = P4_GEN_CACHE_EVENT(P4_EVENT_REPLAY_EVENT, NBOGUS, - P4_CACHE__1stl_cache_load_miss_retired), + P4_PEBS_METRIC__1stl_cache_load_miss_retired), }, }, [ C(LL ) ] = { [ C(OP_READ) ] = { [ C(RESULT_ACCESS) ] = 0x0, [ C(RESULT_MISS) ] = P4_GEN_CACHE_EVENT(P4_EVENT_REPLAY_EVENT, NBOGUS, - P4_CACHE__2ndl_cache_load_miss_retired), + P4_PEBS_METRIC__2ndl_cache_load_miss_retired), }, }, [ C(DTLB) ] = { [ C(OP_READ) ] = { [ C(RESULT_ACCESS) ] = 0x0, [ C(RESULT_MISS) ] = P4_GEN_CACHE_EVENT(P4_EVENT_REPLAY_EVENT, NBOGUS, - P4_CACHE__dtlb_load_miss_retired), + P4_PEBS_METRIC__dtlb_load_miss_retired), }, [ C(OP_WRITE) ] = { [ C(RESULT_ACCESS) ] = 0x0, [ C(RESULT_MISS) ] = P4_GEN_CACHE_EVENT(P4_EVENT_REPLAY_EVENT, NBOGUS, - P4_CACHE__dtlb_store_miss_retired), + P4_PEBS_METRIC__dtlb_store_miss_retired), }, }, [ C(ITLB) ] = { [ C(OP_READ) ] = { [ C(RESULT_ACCESS) ] = P4_GEN_CACHE_EVENT(P4_EVENT_ITLB_REFERENCE, HIT, - P4_CACHE__itlb_reference_hit), + P4_PEBS_METRIC__none), [ C(RESULT_MISS) ] = P4_GEN_CACHE_EVENT(P4_EVENT_ITLB_REFERENCE, MISS, - P4_CACHE__itlb_reference_miss), + P4_PEBS_METRIC__none), }, [ C(OP_WRITE) ] = { [ C(RESULT_ACCESS) ] = -1, @@ -414,11 +428,37 @@ static u64 p4_pmu_event_map(int hw_event) return config; } +static int p4_validate_raw_event(struct perf_event *event) +{ + unsigned int v; + + /* user data may have out-of-bound event index */ + v = p4_config_unpack_event(event->attr.config); + if (v >= ARRAY_SIZE(p4_event_bind_map)) { + pr_warning("P4 PMU: Unknown event code: %d\n", v); + return -EINVAL; + } + + /* + * it may have some screwed PEBS bits + */ + if (p4_config_pebs_has(event->attr.config, P4_PEBS_CONFIG_ENABLE)) { + pr_warning("P4 PMU: PEBS are not supported yet\n"); + return -EINVAL; + } + v = p4_config_unpack_metric(event->attr.config); + if (v >= ARRAY_SIZE(p4_pebs_bind_map)) { + pr_warning("P4 PMU: Unknown metric code: %d\n", v); + return -EINVAL; + } + + return 0; +} + static int p4_hw_config(struct perf_event *event) { int cpu = get_cpu(); int rc = 0; - unsigned int evnt; u32 escr, cccr; /* @@ -438,12 +478,9 @@ static int p4_hw_config(struct perf_event *event) if (event->attr.type == PERF_TYPE_RAW) { - /* user data may have out-of-bound event index */ - evnt = p4_config_unpack_event(event->attr.config); - if (evnt >= ARRAY_SIZE(p4_event_bind_map)) { - rc = -EINVAL; + rc = p4_validate_raw_event(event); + if (rc) goto out; - } /* * We don't control raw events so it's up to the caller @@ -451,12 +488,17 @@ static int p4_hw_config(struct perf_event *event) * on HT machine but allow HT-compatible specifics to be * passed on) * + * Note that for RAW events we allow user to use P4_CCCR_RESERVED + * bits since we keep additional info here (for cache events and etc) + * * XXX: HT wide things should check perf_paranoid_cpu() && * CAP_SYS_ADMIN */ event->hw.config |= event->attr.config & (p4_config_pack_escr(P4_ESCR_MASK_HT) | - p4_config_pack_cccr(P4_CCCR_MASK_HT)); + p4_config_pack_cccr(P4_CCCR_MASK_HT | P4_CCCR_RESERVED)); + + event->hw.config &= ~P4_CCCR_FORCE_OVF; } rc = x86_setup_perfctr(event); @@ -482,6 +524,29 @@ static inline int p4_pmu_clear_cccr_ovf(struct hw_perf_event *hwc) return overflow; } +static void p4_pmu_disable_pebs(void) +{ + /* + * FIXME + * + * It's still allowed that two threads setup same cache + * events so we can't simply clear metrics until we knew + * noone is depending on us, so we need kind of counter + * for "ReplayEvent" users. + * + * What is more complex -- RAW events, if user (for some + * reason) will pass some cache event metric with improper + * event opcode -- it's fine from hardware point of view + * but completely nonsence from "meaning" of such action. + * + * So at moment let leave metrics turned on forever -- it's + * ok for now but need to be revisited! + * + * (void)checking_wrmsrl(MSR_IA32_PEBS_ENABLE, (u64)0); + * (void)checking_wrmsrl(MSR_P4_PEBS_MATRIX_VERT, (u64)0); + */ +} + static inline void p4_pmu_disable_event(struct perf_event *event) { struct hw_perf_event *hwc = &event->hw; @@ -507,6 +572,26 @@ static void p4_pmu_disable_all(void) continue; p4_pmu_disable_event(event); } + + p4_pmu_disable_pebs(); +} + +/* configuration must be valid */ +static void p4_pmu_enable_pebs(u64 config) +{ + struct p4_pebs_bind *bind; + unsigned int idx; + + BUILD_BUG_ON(P4_PEBS_METRIC__max > P4_PEBS_CONFIG_METRIC_MASK); + + idx = p4_config_unpack_metric(config); + if (idx == P4_PEBS_METRIC__none) + return; + + bind = &p4_pebs_bind_map[idx]; + + (void)checking_wrmsrl(MSR_IA32_PEBS_ENABLE, (u64)bind->metric_pebs); + (void)checking_wrmsrl(MSR_P4_PEBS_MATRIX_VERT, (u64)bind->metric_vert); } static void p4_pmu_enable_event(struct perf_event *event) @@ -515,9 +600,7 @@ static void p4_pmu_enable_event(struct perf_event *event) int thread = p4_ht_config_thread(hwc->config); u64 escr_conf = p4_config_unpack_escr(p4_clear_ht_bit(hwc->config)); unsigned int idx = p4_config_unpack_event(hwc->config); - unsigned int idx_cache = p4_config_unpack_cache_event(hwc->config); struct p4_event_bind *bind; - struct p4_cache_event_bind *bind_cache; u64 escr_addr, cccr; bind = &p4_event_bind_map[idx]; @@ -537,16 +620,10 @@ static void p4_pmu_enable_event(struct perf_event *event) cccr = p4_config_unpack_cccr(hwc->config); /* - * it could be Cache event so that we need to - * set metrics into additional MSRs + * it could be Cache event so we need to write metrics + * into additional MSRs */ - BUILD_BUG_ON(P4_CACHE__MAX > P4_CCCR_CACHE_OPS_MASK); - if (idx_cache > P4_CACHE__NONE && - idx_cache < ARRAY_SIZE(p4_cache_event_bind_map)) { - bind_cache = &p4_cache_event_bind_map[idx_cache]; - (void)checking_wrmsrl(MSR_IA32_PEBS_ENABLE, (u64)bind_cache->metric_pebs); - (void)checking_wrmsrl(MSR_P4_PEBS_MATRIX_VERT, (u64)bind_cache->metric_vert); - } + p4_pmu_enable_pebs(hwc->config); (void)checking_wrmsrl(escr_addr, escr_conf); (void)checking_wrmsrl(hwc->config_base + hwc->idx, @@ -581,6 +658,7 @@ static int p4_pmu_handle_irq(struct pt_regs *regs) cpuc = &__get_cpu_var(cpu_hw_events); for (idx = 0; idx < x86_pmu.num_counters; idx++) { + int overflow; if (!test_bit(idx, cpuc->active_mask)) continue; @@ -591,12 +669,14 @@ static int p4_pmu_handle_irq(struct pt_regs *regs) WARN_ON_ONCE(hwc->idx != idx); /* it might be unflagged overflow */ - handled = p4_pmu_clear_cccr_ovf(hwc); + overflow = p4_pmu_clear_cccr_ovf(hwc); val = x86_perf_event_update(event); - if (!handled && (val & (1ULL << (x86_pmu.cntval_bits - 1)))) + if (!overflow && (val & (1ULL << (x86_pmu.cntval_bits - 1)))) continue; + handled += overflow; + /* event overflow for sure */ data.period = event->hw.last_period; @@ -612,7 +692,7 @@ static int p4_pmu_handle_irq(struct pt_regs *regs) inc_irq_stat(apic_perf_irqs); } - return handled; + return handled > 0; } /* @@ -829,6 +909,15 @@ static __initconst const struct x86_pmu p4_pmu = { .max_period = (1ULL << 39) - 1, .hw_config = p4_hw_config, .schedule_events = p4_pmu_schedule_events, + /* + * This handles erratum N15 in intel doc 249199-029, + * the counter may not be updated correctly on write + * so we need a second write operation to do the trick + * (the official workaround didn't work) + * + * the former idea is taken from OProfile code + */ + .perfctr_second_write = 1, }; static __init int p4_pmu_init(void) diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c new file mode 100644 index 00000000000..34b4dad6f0b --- /dev/null +++ b/arch/x86/kernel/cpu/scattered.c @@ -0,0 +1,63 @@ +/* + * Routines to indentify additional cpu features that are scattered in + * cpuid space. + */ +#include <linux/cpu.h> + +#include <asm/pat.h> +#include <asm/processor.h> + +#include <asm/apic.h> + +struct cpuid_bit { + u16 feature; + u8 reg; + u8 bit; + u32 level; + u32 sub_leaf; +}; + +enum cpuid_regs { + CR_EAX = 0, + CR_ECX, + CR_EDX, + CR_EBX +}; + +void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c) +{ + u32 max_level; + u32 regs[4]; + const struct cpuid_bit *cb; + + static const struct cpuid_bit __cpuinitconst cpuid_bits[] = { + { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006, 0 }, + { X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006, 0 }, + { X86_FEATURE_PLN, CR_EAX, 4, 0x00000006, 0 }, + { X86_FEATURE_PTS, CR_EAX, 6, 0x00000006, 0 }, + { X86_FEATURE_APERFMPERF, CR_ECX, 0, 0x00000006, 0 }, + { X86_FEATURE_EPB, CR_ECX, 3, 0x00000006, 0 }, + { X86_FEATURE_XSAVEOPT, CR_EAX, 0, 0x0000000d, 1 }, + { X86_FEATURE_CPB, CR_EDX, 9, 0x80000007, 0 }, + { X86_FEATURE_NPT, CR_EDX, 0, 0x8000000a, 0 }, + { X86_FEATURE_LBRV, CR_EDX, 1, 0x8000000a, 0 }, + { X86_FEATURE_SVML, CR_EDX, 2, 0x8000000a, 0 }, + { X86_FEATURE_NRIPS, CR_EDX, 3, 0x8000000a, 0 }, + { 0, 0, 0, 0, 0 } + }; + + for (cb = cpuid_bits; cb->feature; cb++) { + + /* Verify that the level is valid */ + max_level = cpuid_eax(cb->level & 0xffff0000); + if (max_level < cb->level || + max_level > (cb->level | 0xffff)) + continue; + + cpuid_count(cb->level, cb->sub_leaf, ®s[CR_EAX], + ®s[CR_EBX], ®s[CR_ECX], ®s[CR_EDX]); + + if (regs[cb->reg] & (1 << cb->bit)) + set_cpu_cap(c, cb->feature); + } +} diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/topology.c index 10fa5684a66..4397e987a1c 100644 --- a/arch/x86/kernel/cpu/addon_cpuid_features.c +++ b/arch/x86/kernel/cpu/topology.c @@ -1,62 +1,14 @@ /* - * Routines to indentify additional cpu features that are scattered in - * cpuid space. + * Check for extended topology enumeration cpuid leaf 0xb and if it + * exists, use it for populating initial_apicid and cpu topology + * detection. */ -#include <linux/cpu.h> +#include <linux/cpu.h> +#include <asm/apic.h> #include <asm/pat.h> #include <asm/processor.h> -#include <asm/apic.h> - -struct cpuid_bit { - u16 feature; - u8 reg; - u8 bit; - u32 level; -}; - -enum cpuid_regs { - CR_EAX = 0, - CR_ECX, - CR_EDX, - CR_EBX -}; - -void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c) -{ - u32 max_level; - u32 regs[4]; - const struct cpuid_bit *cb; - - static const struct cpuid_bit __cpuinitconst cpuid_bits[] = { - { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006 }, - { X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006 }, - { X86_FEATURE_APERFMPERF, CR_ECX, 0, 0x00000006 }, - { X86_FEATURE_CPB, CR_EDX, 9, 0x80000007 }, - { X86_FEATURE_NPT, CR_EDX, 0, 0x8000000a }, - { X86_FEATURE_LBRV, CR_EDX, 1, 0x8000000a }, - { X86_FEATURE_SVML, CR_EDX, 2, 0x8000000a }, - { X86_FEATURE_NRIPS, CR_EDX, 3, 0x8000000a }, - { 0, 0, 0, 0 } - }; - - for (cb = cpuid_bits; cb->feature; cb++) { - - /* Verify that the level is valid */ - max_level = cpuid_eax(cb->level & 0xffff0000); - if (max_level < cb->level || - max_level > (cb->level | 0xffff)) - continue; - - cpuid(cb->level, ®s[CR_EAX], ®s[CR_EBX], - ®s[CR_ECX], ®s[CR_EDX]); - - if (regs[cb->reg] & (1 << cb->bit)) - set_cpu_cap(c, cb->feature); - } -} - /* leaf 0xb SMT level */ #define SMT_LEVEL 0 diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c index b9d1ff58844..227b0448960 100644 --- a/arch/x86/kernel/cpu/vmware.c +++ b/arch/x86/kernel/cpu/vmware.c @@ -51,7 +51,7 @@ static inline int __vmware_platform(void) static unsigned long vmware_get_tsc_khz(void) { - uint64_t tsc_hz; + uint64_t tsc_hz, lpj; uint32_t eax, ebx, ecx, edx; VMWARE_PORT(GETHZ, eax, ebx, ecx, edx); @@ -62,6 +62,13 @@ static unsigned long vmware_get_tsc_khz(void) printk(KERN_INFO "TSC freq read from hypervisor : %lu.%03lu MHz\n", (unsigned long) tsc_hz / 1000, (unsigned long) tsc_hz % 1000); + + if (!preset_lpj) { + lpj = ((u64)tsc_hz * 1000); + do_div(lpj, HZ); + preset_lpj = lpj; + } + return tsc_hz; } diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c index ebd4c51d096..764c7c2b181 100644 --- a/arch/x86/kernel/crash.c +++ b/arch/x86/kernel/crash.c @@ -28,6 +28,8 @@ #include <asm/reboot.h> #include <asm/virtext.h> +int in_crash_kexec; + #if defined(CONFIG_SMP) && defined(CONFIG_X86_LOCAL_APIC) static void kdump_nmi_callback(int cpu, struct die_args *args) @@ -61,6 +63,7 @@ static void kdump_nmi_callback(int cpu, struct die_args *args) static void kdump_nmi_shootdown_cpus(void) { + in_crash_kexec = 1; nmi_shootdown_cpus(kdump_nmi_callback); disable_local_APIC(); diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index c89a386930b..6e8752c1bd5 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -18,7 +18,6 @@ #include <asm/stacktrace.h> -#include "dumpstack.h" int panic_on_unrecovered_nmi; int panic_on_io_nmi; diff --git a/arch/x86/kernel/dumpstack.h b/arch/x86/kernel/dumpstack.h deleted file mode 100644 index e1a93be4fd4..00000000000 --- a/arch/x86/kernel/dumpstack.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Copyright (C) 1991, 1992 Linus Torvalds - * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs - */ - -#ifndef DUMPSTACK_H -#define DUMPSTACK_H - -#ifdef CONFIG_X86_32 -#define STACKSLOTS_PER_LINE 8 -#define get_bp(bp) asm("movl %%ebp, %0" : "=r" (bp) :) -#else -#define STACKSLOTS_PER_LINE 4 -#define get_bp(bp) asm("movq %%rbp, %0" : "=r" (bp) :) -#endif - -#include <linux/uaccess.h> - -extern void -show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs, - unsigned long *stack, unsigned long bp, char *log_lvl); - -extern void -show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, - unsigned long *sp, unsigned long bp, char *log_lvl); - -extern unsigned int code_bytes; - -/* The form of the top of the frame on the stack */ -struct stack_frame { - struct stack_frame *next_frame; - unsigned long return_address; -}; - -struct stack_frame_ia32 { - u32 next_frame; - u32 return_address; -}; - -static inline unsigned long rewind_frame_pointer(int n) -{ - struct stack_frame *frame; - - get_bp(frame); - -#ifdef CONFIG_FRAME_POINTER - while (n--) { - if (probe_kernel_address(&frame->next_frame, frame)) - break; - } -#endif - - return (unsigned long)frame; -} - -#endif /* DUMPSTACK_H */ diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index 11540a189d9..0f6376ffa2d 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -16,8 +16,6 @@ #include <asm/stacktrace.h> -#include "dumpstack.h" - void dump_trace(struct task_struct *task, struct pt_regs *regs, unsigned long *stack, unsigned long bp, diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c index 272c9f1f05f..57a21f11c79 100644 --- a/arch/x86/kernel/dumpstack_64.c +++ b/arch/x86/kernel/dumpstack_64.c @@ -16,7 +16,6 @@ #include <asm/stacktrace.h> -#include "dumpstack.h" #define N_EXCEPTION_STACKS_END \ (N_EXCEPTION_STACKS + DEBUG_STKSZ/EXCEPTION_STKSZ - 2) diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index cd49141cf15..227d00920d2 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -611,14 +611,14 @@ ldt_ss: * compensating for the offset by changing to the ESPFIX segment with * a base address that matches for the difference. */ +#define GDT_ESPFIX_SS PER_CPU_VAR(gdt_page) + (GDT_ENTRY_ESPFIX_SS * 8) mov %esp, %edx /* load kernel esp */ mov PT_OLDESP(%esp), %eax /* load userspace esp */ mov %dx, %ax /* eax: new kernel esp */ sub %eax, %edx /* offset (low word is 0) */ - PER_CPU(gdt_page, %ebx) shr $16, %edx - mov %dl, GDT_ENTRY_ESPFIX_SS * 8 + 4(%ebx) /* bits 16..23 */ - mov %dh, GDT_ENTRY_ESPFIX_SS * 8 + 7(%ebx) /* bits 24..31 */ + mov %dl, GDT_ESPFIX_SS + 4 /* bits 16..23 */ + mov %dh, GDT_ESPFIX_SS + 7 /* bits 24..31 */ pushl $__ESPFIX_SS CFI_ADJUST_CFA_OFFSET 4 push %eax /* new kernel esp */ @@ -791,9 +791,8 @@ ptregs_clone: * normal stack and adjusts ESP with the matching offset. */ /* fixup the stack */ - PER_CPU(gdt_page, %ebx) - mov GDT_ENTRY_ESPFIX_SS * 8 + 4(%ebx), %al /* bits 16..23 */ - mov GDT_ENTRY_ESPFIX_SS * 8 + 7(%ebx), %ah /* bits 24..31 */ + mov GDT_ESPFIX_SS + 4, %al /* bits 16..23 */ + mov GDT_ESPFIX_SS + 7, %ah /* bits 24..31 */ shl $16, %eax addl %esp, %eax /* the adjusted stack pointer */ pushl $__KERNEL_DS @@ -914,7 +913,7 @@ ENTRY(simd_coprocessor_error) .balign 4 .long 661b .long 663f - .byte X86_FEATURE_XMM + .word X86_FEATURE_XMM .byte 662b-661b .byte 664f-663f .previous @@ -1166,6 +1165,9 @@ ENTRY(xen_failsafe_callback) .previous ENDPROC(xen_failsafe_callback) +BUILD_INTERRUPT3(xen_hvm_callback_vector, XEN_HVM_EVTCHN_CALLBACK, + xen_evtchn_do_upcall) + #endif /* CONFIG_XEN */ #ifdef CONFIG_FUNCTION_TRACER diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 4db7c4d12ff..17be5ec7cbb 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -1065,6 +1065,7 @@ ENTRY(\sym) END(\sym) .endm +#define INIT_TSS_IST(x) PER_CPU_VAR(init_tss) + (TSS_ist + ((x) - 1) * 8) .macro paranoidzeroentry_ist sym do_sym ist ENTRY(\sym) INTR_FRAME @@ -1076,10 +1077,9 @@ ENTRY(\sym) TRACE_IRQS_OFF movq %rsp,%rdi /* pt_regs pointer */ xorl %esi,%esi /* no error code */ - PER_CPU(init_tss, %r12) - subq $EXCEPTION_STKSZ, TSS_ist + (\ist - 1) * 8(%r12) + subq $EXCEPTION_STKSZ, INIT_TSS_IST(\ist) call \do_sym - addq $EXCEPTION_STKSZ, TSS_ist + (\ist - 1) * 8(%r12) + addq $EXCEPTION_STKSZ, INIT_TSS_IST(\ist) jmp paranoid_exit /* %ebx: no swapgs flag */ CFI_ENDPROC END(\sym) @@ -1185,13 +1185,13 @@ END(kernel_thread_helper) * execve(). This function needs to use IRET, not SYSRET, to set up all state properly. * * C extern interface: - * extern long execve(char *name, char **argv, char **envp) + * extern long execve(const char *name, char **argv, char **envp) * * asm input arguments: * rdi: name, rsi: argv, rdx: envp * * We want to fallback into: - * extern long sys_execve(char *name, char **argv,char **envp, struct pt_regs *regs) + * extern long sys_execve(const char *name, char **argv,char **envp, struct pt_regs *regs) * * do_sys_execve asm fallback arguments: * rdi: name, rsi: argv, rdx: envp, rcx: fake frame on the stack @@ -1329,6 +1329,9 @@ ENTRY(xen_failsafe_callback) CFI_ENDPROC END(xen_failsafe_callback) +apicinterrupt XEN_HVM_EVTCHN_CALLBACK \ + xen_hvm_callback_vector xen_evtchn_do_upcall + #endif /* CONFIG_XEN */ /* diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 37c3d4b17d8..fa8c1b8e09f 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -131,6 +131,12 @@ ENTRY(startup_32) movsl 1: +#ifdef CONFIG_OLPC_OPENFIRMWARE + /* save OFW's pgdir table for later use when calling into OFW */ + movl %cr3, %eax + movl %eax, pa(olpc_ofw_pgd) +#endif + #ifdef CONFIG_PARAVIRT /* This is can only trip for a broken bootloader... */ cmpw $0x207, pa(boot_params + BP_version) @@ -328,7 +334,7 @@ ENTRY(startup_32_smp) /* * Enable paging */ - movl $pa(swapper_pg_dir),%eax + movl pa(initial_page_table), %eax movl %eax,%cr3 /* set the page table pointer.. */ movl %cr0,%eax orl $X86_CR0_PG,%eax @@ -608,6 +614,8 @@ ignore_int: .align 4 ENTRY(initial_code) .long i386_start_kernel +ENTRY(initial_page_table) + .long pa(swapper_pg_dir) /* * BSS section @@ -623,6 +631,10 @@ ENTRY(swapper_pg_dir) #endif swapper_pg_fixmap: .fill 1024,4,0 +#ifdef CONFIG_X86_TRAMPOLINE +ENTRY(trampoline_pg_dir) + .fill 1024,4,0 +#endif ENTRY(empty_zero_page) .fill 4096,1,0 diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 3d1e6f16b7a..239046bd447 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -234,9 +234,8 @@ ENTRY(secondary_startup_64) * init data section till per cpu areas are set up. */ movl $MSR_GS_BASE,%ecx - movq initial_gs(%rip),%rax - movq %rax,%rdx - shrq $32,%rdx + movl initial_gs(%rip),%eax + movl initial_gs+4(%rip),%edx wrmsr /* esi is pointer to real mode structure with interesting info. diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index ba390d73117..351f9c0fea1 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -16,7 +16,6 @@ #include <asm/hpet.h> #define HPET_MASK CLOCKSOURCE_MASK(32) -#define HPET_SHIFT 22 /* FSEC = 10^-15 NSEC = 10^-9 */ @@ -583,7 +582,7 @@ static void init_one_hpet_msi_clockevent(struct hpet_dev *hdev, int cpu) * scaled math multiplication factor for nanosecond to hpet tick * conversion. */ - hpet_freq = 1000000000000000ULL; + hpet_freq = FSEC_PER_SEC; do_div(hpet_freq, hpet_period); evt->mult = div_sc((unsigned long) hpet_freq, NSEC_PER_SEC, evt->shift); @@ -787,7 +786,6 @@ static struct clocksource clocksource_hpet = { .rating = 250, .read = read_hpet, .mask = HPET_MASK, - .shift = HPET_SHIFT, .flags = CLOCK_SOURCE_IS_CONTINUOUS, .resume = hpet_resume_counter, #ifdef CONFIG_X86_64 @@ -798,6 +796,7 @@ static struct clocksource clocksource_hpet = { static int hpet_clocksource_register(void) { u64 start, now; + u64 hpet_freq; cycle_t t1; /* Start the counter */ @@ -832,9 +831,15 @@ static int hpet_clocksource_register(void) * mult = (hpet_period * 2^shift)/10^6 * mult = (hpet_period << shift)/FSEC_PER_NSEC */ - clocksource_hpet.mult = div_sc(hpet_period, FSEC_PER_NSEC, HPET_SHIFT); - clocksource_register(&clocksource_hpet); + /* Need to convert hpet_period (fsec/cyc) to cyc/sec: + * + * cyc/sec = FSEC_PER_SEC/hpet_period(fsec/cyc) + * cyc/sec = (FSEC_PER_NSEC * NSEC_PER_SEC)/hpet_period + */ + hpet_freq = FSEC_PER_SEC; + do_div(hpet_freq, hpet_period); + clocksource_register_hz(&clocksource_hpet, (u32)hpet_freq); return 0; } diff --git a/arch/x86/kernel/hw_breakpoint.c b/arch/x86/kernel/hw_breakpoint.c index a8f1b803d2f..a474ec37c32 100644 --- a/arch/x86/kernel/hw_breakpoint.c +++ b/arch/x86/kernel/hw_breakpoint.c @@ -208,6 +208,9 @@ int arch_bp_generic_fields(int x86_len, int x86_type, { /* Len */ switch (x86_len) { + case X86_BREAKPOINT_LEN_X: + *gen_len = sizeof(long); + break; case X86_BREAKPOINT_LEN_1: *gen_len = HW_BREAKPOINT_LEN_1; break; @@ -251,6 +254,29 @@ static int arch_build_bp_info(struct perf_event *bp) info->address = bp->attr.bp_addr; + /* Type */ + switch (bp->attr.bp_type) { + case HW_BREAKPOINT_W: + info->type = X86_BREAKPOINT_WRITE; + break; + case HW_BREAKPOINT_W | HW_BREAKPOINT_R: + info->type = X86_BREAKPOINT_RW; + break; + case HW_BREAKPOINT_X: + info->type = X86_BREAKPOINT_EXECUTE; + /* + * x86 inst breakpoints need to have a specific undefined len. + * But we still need to check userspace is not trying to setup + * an unsupported length, to get a range breakpoint for example. + */ + if (bp->attr.bp_len == sizeof(long)) { + info->len = X86_BREAKPOINT_LEN_X; + return 0; + } + default: + return -EINVAL; + } + /* Len */ switch (bp->attr.bp_len) { case HW_BREAKPOINT_LEN_1: @@ -271,21 +297,6 @@ static int arch_build_bp_info(struct perf_event *bp) return -EINVAL; } - /* Type */ - switch (bp->attr.bp_type) { - case HW_BREAKPOINT_W: - info->type = X86_BREAKPOINT_WRITE; - break; - case HW_BREAKPOINT_W | HW_BREAKPOINT_R: - info->type = X86_BREAKPOINT_RW; - break; - case HW_BREAKPOINT_X: - info->type = X86_BREAKPOINT_EXECUTE; - break; - default: - return -EINVAL; - } - return 0; } /* @@ -305,6 +316,9 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp) ret = -EINVAL; switch (info->len) { + case X86_BREAKPOINT_LEN_X: + align = sizeof(long) -1; + break; case X86_BREAKPOINT_LEN_1: align = 0; break; @@ -466,6 +480,13 @@ static int __kprobes hw_breakpoint_handler(struct die_args *args) perf_bp_event(bp, args->regs); + /* + * Set up resume flag to avoid breakpoint recursion when + * returning back to origin. + */ + if (bp->hw.info.type == X86_BREAKPOINT_EXECUTE) + args->regs->flags |= X86_EFLAGS_RF; + rcu_read_unlock(); } /* diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c index c4444bce846..a46cb3522c0 100644 --- a/arch/x86/kernel/i387.c +++ b/arch/x86/kernel/i387.c @@ -40,6 +40,7 @@ static unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu; unsigned int xstate_size; +EXPORT_SYMBOL_GPL(xstate_size); unsigned int sig_xstate_ia32_size = sizeof(struct _fpstate_ia32); static struct i387_fxsave_struct fx_scratch __cpuinitdata; @@ -59,18 +60,18 @@ void __cpuinit mxcsr_feature_mask_init(void) stts(); } -void __cpuinit init_thread_xstate(void) +static void __cpuinit init_thread_xstate(void) { + /* + * Note that xstate_size might be overwriten later during + * xsave_init(). + */ + if (!HAVE_HWFP) { xstate_size = sizeof(struct i387_soft_struct); return; } - if (cpu_has_xsave) { - xsave_cntxt_init(); - return; - } - if (cpu_has_fxsr) xstate_size = sizeof(struct i387_fxsave_struct); #ifdef CONFIG_X86_32 @@ -84,6 +85,7 @@ void __cpuinit init_thread_xstate(void) * Called at bootup to set up the initial FPU state that is later cloned * into all processes. */ + void __cpuinit fpu_init(void) { unsigned long oldcr0 = read_cr0(); @@ -93,19 +95,24 @@ void __cpuinit fpu_init(void) write_cr0(oldcr0 & ~(X86_CR0_TS|X86_CR0_EM)); /* clear TS and EM */ - /* - * Boot processor to setup the FP and extended state context info. - */ if (!smp_processor_id()) init_thread_xstate(); - xsave_init(); mxcsr_feature_mask_init(); /* clean state in init */ current_thread_info()->status = 0; clear_used_math(); } -#endif /* CONFIG_X86_64 */ + +#else /* CONFIG_X86_64 */ + +void __cpuinit fpu_init(void) +{ + if (!smp_processor_id()) + init_thread_xstate(); +} + +#endif /* CONFIG_X86_32 */ void fpu_finit(struct fpu *fpu) { @@ -191,6 +198,8 @@ int xfpregs_get(struct task_struct *target, const struct user_regset *regset, if (ret) return ret; + sanitize_i387_state(target); + return user_regset_copyout(&pos, &count, &kbuf, &ubuf, &target->thread.fpu.state->fxsave, 0, -1); } @@ -208,6 +217,8 @@ int xfpregs_set(struct task_struct *target, const struct user_regset *regset, if (ret) return ret; + sanitize_i387_state(target); + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &target->thread.fpu.state->fxsave, 0, -1); @@ -447,6 +458,8 @@ int fpregs_get(struct task_struct *target, const struct user_regset *regset, -1); } + sanitize_i387_state(target); + if (kbuf && pos == 0 && count == sizeof(env)) { convert_from_fxsr(kbuf, target); return 0; @@ -468,6 +481,8 @@ int fpregs_set(struct task_struct *target, const struct user_regset *regset, if (ret) return ret; + sanitize_i387_state(target); + if (!HAVE_HWFP) return fpregs_soft_set(target, regset, pos, count, kbuf, ubuf); @@ -534,6 +549,9 @@ static int save_i387_xsave(void __user *buf) struct _fpstate_ia32 __user *fx = buf; int err = 0; + + sanitize_i387_state(tsk); + /* * For legacy compatible, we always set FP/SSE bits in the bit * vector while saving the state to the user context. diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index 01ab17ae2ae..852b81967a3 100644 --- a/arch/x86/kernel/kgdb.c +++ b/arch/x86/kernel/kgdb.c @@ -49,55 +49,94 @@ #include <asm/system.h> #include <asm/apic.h> -/** - * pt_regs_to_gdb_regs - Convert ptrace regs to GDB regs - * @gdb_regs: A pointer to hold the registers in the order GDB wants. - * @regs: The &struct pt_regs of the current process. - * - * Convert the pt_regs in @regs into the format for registers that - * GDB expects, stored in @gdb_regs. - */ -void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs) +struct dbg_reg_def_t dbg_reg_def[DBG_MAX_REG_NUM] = { -#ifndef CONFIG_X86_32 - u32 *gdb_regs32 = (u32 *)gdb_regs; +#ifdef CONFIG_X86_32 + { "ax", 4, offsetof(struct pt_regs, ax) }, + { "cx", 4, offsetof(struct pt_regs, cx) }, + { "dx", 4, offsetof(struct pt_regs, dx) }, + { "bx", 4, offsetof(struct pt_regs, bx) }, + { "sp", 4, offsetof(struct pt_regs, sp) }, + { "bp", 4, offsetof(struct pt_regs, bp) }, + { "si", 4, offsetof(struct pt_regs, si) }, + { "di", 4, offsetof(struct pt_regs, di) }, + { "ip", 4, offsetof(struct pt_regs, ip) }, + { "flags", 4, offsetof(struct pt_regs, flags) }, + { "cs", 4, offsetof(struct pt_regs, cs) }, + { "ss", 4, offsetof(struct pt_regs, ss) }, + { "ds", 4, offsetof(struct pt_regs, ds) }, + { "es", 4, offsetof(struct pt_regs, es) }, + { "fs", 4, -1 }, + { "gs", 4, -1 }, +#else + { "ax", 8, offsetof(struct pt_regs, ax) }, + { "bx", 8, offsetof(struct pt_regs, bx) }, + { "cx", 8, offsetof(struct pt_regs, cx) }, + { "dx", 8, offsetof(struct pt_regs, dx) }, + { "si", 8, offsetof(struct pt_regs, dx) }, + { "di", 8, offsetof(struct pt_regs, di) }, + { "bp", 8, offsetof(struct pt_regs, bp) }, + { "sp", 8, offsetof(struct pt_regs, sp) }, + { "r8", 8, offsetof(struct pt_regs, r8) }, + { "r9", 8, offsetof(struct pt_regs, r9) }, + { "r10", 8, offsetof(struct pt_regs, r10) }, + { "r11", 8, offsetof(struct pt_regs, r11) }, + { "r12", 8, offsetof(struct pt_regs, r12) }, + { "r13", 8, offsetof(struct pt_regs, r13) }, + { "r14", 8, offsetof(struct pt_regs, r14) }, + { "r15", 8, offsetof(struct pt_regs, r15) }, + { "ip", 8, offsetof(struct pt_regs, ip) }, + { "flags", 4, offsetof(struct pt_regs, flags) }, + { "cs", 4, offsetof(struct pt_regs, cs) }, + { "ss", 4, offsetof(struct pt_regs, ss) }, #endif - gdb_regs[GDB_AX] = regs->ax; - gdb_regs[GDB_BX] = regs->bx; - gdb_regs[GDB_CX] = regs->cx; - gdb_regs[GDB_DX] = regs->dx; - gdb_regs[GDB_SI] = regs->si; - gdb_regs[GDB_DI] = regs->di; - gdb_regs[GDB_BP] = regs->bp; - gdb_regs[GDB_PC] = regs->ip; +}; + +int dbg_set_reg(int regno, void *mem, struct pt_regs *regs) +{ + if ( #ifdef CONFIG_X86_32 - gdb_regs[GDB_PS] = regs->flags; - gdb_regs[GDB_DS] = regs->ds; - gdb_regs[GDB_ES] = regs->es; - gdb_regs[GDB_CS] = regs->cs; - gdb_regs[GDB_FS] = 0xFFFF; - gdb_regs[GDB_GS] = 0xFFFF; - if (user_mode_vm(regs)) { - gdb_regs[GDB_SS] = regs->ss; - gdb_regs[GDB_SP] = regs->sp; - } else { - gdb_regs[GDB_SS] = __KERNEL_DS; - gdb_regs[GDB_SP] = kernel_stack_pointer(regs); + regno == GDB_SS || regno == GDB_FS || regno == GDB_GS || +#endif + regno == GDB_SP || regno == GDB_ORIG_AX) + return 0; + + if (dbg_reg_def[regno].offset != -1) + memcpy((void *)regs + dbg_reg_def[regno].offset, mem, + dbg_reg_def[regno].size); + return 0; +} + +char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs) +{ + if (regno == GDB_ORIG_AX) { + memcpy(mem, ®s->orig_ax, sizeof(regs->orig_ax)); + return "orig_ax"; } -#else - gdb_regs[GDB_R8] = regs->r8; - gdb_regs[GDB_R9] = regs->r9; - gdb_regs[GDB_R10] = regs->r10; - gdb_regs[GDB_R11] = regs->r11; - gdb_regs[GDB_R12] = regs->r12; - gdb_regs[GDB_R13] = regs->r13; - gdb_regs[GDB_R14] = regs->r14; - gdb_regs[GDB_R15] = regs->r15; - gdb_regs32[GDB_PS] = regs->flags; - gdb_regs32[GDB_CS] = regs->cs; - gdb_regs32[GDB_SS] = regs->ss; - gdb_regs[GDB_SP] = kernel_stack_pointer(regs); + if (regno >= DBG_MAX_REG_NUM || regno < 0) + return NULL; + + if (dbg_reg_def[regno].offset != -1) + memcpy(mem, (void *)regs + dbg_reg_def[regno].offset, + dbg_reg_def[regno].size); + + switch (regno) { +#ifdef CONFIG_X86_32 + case GDB_SS: + if (!user_mode_vm(regs)) + *(unsigned long *)mem = __KERNEL_DS; + break; + case GDB_SP: + if (!user_mode_vm(regs)) + *(unsigned long *)mem = kernel_stack_pointer(regs); + break; + case GDB_GS: + case GDB_FS: + *(unsigned long *)mem = 0xFFFF; + break; #endif + } + return dbg_reg_def[regno].name; } /** @@ -150,54 +189,13 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) gdb_regs[GDB_SP] = p->thread.sp; } -/** - * gdb_regs_to_pt_regs - Convert GDB regs to ptrace regs. - * @gdb_regs: A pointer to hold the registers we've received from GDB. - * @regs: A pointer to a &struct pt_regs to hold these values in. - * - * Convert the GDB regs in @gdb_regs into the pt_regs, and store them - * in @regs. - */ -void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs) -{ -#ifndef CONFIG_X86_32 - u32 *gdb_regs32 = (u32 *)gdb_regs; -#endif - regs->ax = gdb_regs[GDB_AX]; - regs->bx = gdb_regs[GDB_BX]; - regs->cx = gdb_regs[GDB_CX]; - regs->dx = gdb_regs[GDB_DX]; - regs->si = gdb_regs[GDB_SI]; - regs->di = gdb_regs[GDB_DI]; - regs->bp = gdb_regs[GDB_BP]; - regs->ip = gdb_regs[GDB_PC]; -#ifdef CONFIG_X86_32 - regs->flags = gdb_regs[GDB_PS]; - regs->ds = gdb_regs[GDB_DS]; - regs->es = gdb_regs[GDB_ES]; - regs->cs = gdb_regs[GDB_CS]; -#else - regs->r8 = gdb_regs[GDB_R8]; - regs->r9 = gdb_regs[GDB_R9]; - regs->r10 = gdb_regs[GDB_R10]; - regs->r11 = gdb_regs[GDB_R11]; - regs->r12 = gdb_regs[GDB_R12]; - regs->r13 = gdb_regs[GDB_R13]; - regs->r14 = gdb_regs[GDB_R14]; - regs->r15 = gdb_regs[GDB_R15]; - regs->flags = gdb_regs32[GDB_PS]; - regs->cs = gdb_regs32[GDB_CS]; - regs->ss = gdb_regs32[GDB_SS]; -#endif -} - static struct hw_breakpoint { unsigned enabled; unsigned long addr; int len; int type; - struct perf_event **pev; -} breakinfo[4]; + struct perf_event * __percpu *pev; +} breakinfo[HBP_NUM]; static unsigned long early_dr7; @@ -205,7 +203,7 @@ static void kgdb_correct_hw_break(void) { int breakno; - for (breakno = 0; breakno < 4; breakno++) { + for (breakno = 0; breakno < HBP_NUM; breakno++) { struct perf_event *bp; struct arch_hw_breakpoint *info; int val; @@ -292,10 +290,10 @@ kgdb_remove_hw_break(unsigned long addr, int len, enum kgdb_bptype bptype) { int i; - for (i = 0; i < 4; i++) + for (i = 0; i < HBP_NUM; i++) if (breakinfo[i].addr == addr && breakinfo[i].enabled) break; - if (i == 4) + if (i == HBP_NUM) return -1; if (hw_break_release_slot(i)) { @@ -313,7 +311,7 @@ static void kgdb_remove_all_hw_break(void) int cpu = raw_smp_processor_id(); struct perf_event *bp; - for (i = 0; i < 4; i++) { + for (i = 0; i < HBP_NUM; i++) { if (!breakinfo[i].enabled) continue; bp = *per_cpu_ptr(breakinfo[i].pev, cpu); @@ -333,10 +331,10 @@ kgdb_set_hw_break(unsigned long addr, int len, enum kgdb_bptype bptype) { int i; - for (i = 0; i < 4; i++) + for (i = 0; i < HBP_NUM; i++) if (!breakinfo[i].enabled) break; - if (i == 4) + if (i == HBP_NUM) return -1; switch (bptype) { @@ -397,7 +395,7 @@ void kgdb_disable_hw_debug(struct pt_regs *regs) /* Disable hardware debugging while we are in kgdb: */ set_debugreg(0UL, 7); - for (i = 0; i < 4; i++) { + for (i = 0; i < HBP_NUM; i++) { if (!breakinfo[i].enabled) continue; if (dbg_is_early) { @@ -458,7 +456,6 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code, { unsigned long addr; char *ptr; - int newPC; switch (remcomInBuffer[0]) { case 'c': @@ -469,8 +466,6 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code, linux_regs->ip = addr; case 'D': case 'k': - newPC = linux_regs->ip; - /* clear the trace bit */ linux_regs->flags &= ~X86_EFLAGS_TF; atomic_set(&kgdb_cpu_doing_single_step, -1); @@ -645,7 +640,7 @@ void kgdb_arch_late(void) attr.bp_len = HW_BREAKPOINT_LEN_1; attr.bp_type = HW_BREAKPOINT_W; attr.disabled = 1; - for (i = 0; i < 4; i++) { + for (i = 0; i < HBP_NUM; i++) { if (breakinfo[i].pev) continue; breakinfo[i].pev = register_wide_hw_breakpoint(&attr, NULL); diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c index 675879b65ce..770ebfb349e 100644 --- a/arch/x86/kernel/kprobes.c +++ b/arch/x86/kernel/kprobes.c @@ -126,16 +126,22 @@ static void __kprobes synthesize_reljump(void *from, void *to) } /* - * Check for the REX prefix which can only exist on X86_64 - * X86_32 always returns 0 + * Skip the prefixes of the instruction. */ -static int __kprobes is_REX_prefix(kprobe_opcode_t *insn) +static kprobe_opcode_t *__kprobes skip_prefixes(kprobe_opcode_t *insn) { + insn_attr_t attr; + + attr = inat_get_opcode_attribute((insn_byte_t)*insn); + while (inat_is_legacy_prefix(attr)) { + insn++; + attr = inat_get_opcode_attribute((insn_byte_t)*insn); + } #ifdef CONFIG_X86_64 - if ((*insn & 0xf0) == 0x40) - return 1; + if (inat_is_rex_prefix(attr)) + insn++; #endif - return 0; + return insn; } /* @@ -272,6 +278,9 @@ static int __kprobes can_probe(unsigned long paddr) */ static int __kprobes is_IF_modifier(kprobe_opcode_t *insn) { + /* Skip prefixes */ + insn = skip_prefixes(insn); + switch (*insn) { case 0xfa: /* cli */ case 0xfb: /* sti */ @@ -280,13 +289,6 @@ static int __kprobes is_IF_modifier(kprobe_opcode_t *insn) return 1; } - /* - * on X86_64, 0x40-0x4f are REX prefixes so we need to look - * at the next byte instead.. but of course not recurse infinitely - */ - if (is_REX_prefix(insn)) - return is_IF_modifier(++insn); - return 0; } @@ -707,6 +709,7 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) struct hlist_node *node, *tmp; unsigned long flags, orig_ret_address = 0; unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline; + kprobe_opcode_t *correct_ret_addr = NULL; INIT_HLIST_HEAD(&empty_rp); kretprobe_hash_lock(current, &head, &flags); @@ -738,14 +741,34 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) /* another task is sharing our hash bucket */ continue; + orig_ret_address = (unsigned long)ri->ret_addr; + + if (orig_ret_address != trampoline_address) + /* + * This is the real return address. Any other + * instances associated with this task are for + * other calls deeper on the call stack + */ + break; + } + + kretprobe_assert(ri, orig_ret_address, trampoline_address); + + correct_ret_addr = ri->ret_addr; + hlist_for_each_entry_safe(ri, node, tmp, head, hlist) { + if (ri->task != current) + /* another task is sharing our hash bucket */ + continue; + + orig_ret_address = (unsigned long)ri->ret_addr; if (ri->rp && ri->rp->handler) { __get_cpu_var(current_kprobe) = &ri->rp->kp; get_kprobe_ctlblk()->kprobe_status = KPROBE_HIT_ACTIVE; + ri->ret_addr = correct_ret_addr; ri->rp->handler(ri, regs); __get_cpu_var(current_kprobe) = NULL; } - orig_ret_address = (unsigned long)ri->ret_addr; recycle_rp_inst(ri, &empty_rp); if (orig_ret_address != trampoline_address) @@ -757,8 +780,6 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) break; } - kretprobe_assert(ri, orig_ret_address, trampoline_address); - kretprobe_hash_unlock(current, &flags); hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) { @@ -803,9 +824,8 @@ static void __kprobes resume_execution(struct kprobe *p, unsigned long orig_ip = (unsigned long)p->addr; kprobe_opcode_t *insn = p->ainsn.insn; - /*skip the REX prefix*/ - if (is_REX_prefix(insn)) - insn++; + /* Skip prefixes */ + insn = skip_prefixes(insn); regs->flags &= ~X86_EFLAGS_TF; switch (*insn) { diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index d86dbf7e54b..d7b6f7fb4fe 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -274,6 +274,18 @@ static void __init smp_dump_mptable(struct mpc_table *mpc, unsigned char *mpt) void __init default_smp_read_mpc_oem(struct mpc_table *mpc) { } +static void __init smp_register_lapic_address(unsigned long address) +{ + mp_lapic_addr = address; + + set_fixmap_nocache(FIX_APIC_BASE, address); + if (boot_cpu_physical_apicid == -1U) { + boot_cpu_physical_apicid = read_apic_id(); + apic_version[boot_cpu_physical_apicid] = + GET_APIC_VERSION(apic_read(APIC_LVR)); + } +} + static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early) { char str[16]; @@ -295,6 +307,10 @@ static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early) if (early) return 1; + /* Initialize the lapic mapping */ + if (!acpi_lapic) + smp_register_lapic_address(mpc->lapic); + if (mpc->oemptr) x86_init.mpparse.smp_read_mpc_oem(mpc); diff --git a/arch/x86/kernel/mrst.c b/arch/x86/kernel/mrst.c index 5915e0b3330..79ae68154e8 100644 --- a/arch/x86/kernel/mrst.c +++ b/arch/x86/kernel/mrst.c @@ -25,8 +25,34 @@ #include <asm/i8259.h> #include <asm/apb_timer.h> +/* + * the clockevent devices on Moorestown/Medfield can be APBT or LAPIC clock, + * cmdline option x86_mrst_timer can be used to override the configuration + * to prefer one or the other. + * at runtime, there are basically three timer configurations: + * 1. per cpu apbt clock only + * 2. per cpu always-on lapic clocks only, this is Penwell/Medfield only + * 3. per cpu lapic clock (C3STOP) and one apbt clock, with broadcast. + * + * by default (without cmdline option), platform code first detects cpu type + * to see if we are on lincroft or penwell, then set up both lapic or apbt + * clocks accordingly. + * i.e. by default, medfield uses configuration #2, moorestown uses #1. + * config #3 is supported but not recommended on medfield. + * + * rating and feature summary: + * lapic (with C3STOP) --------- 100 + * apbt (always-on) ------------ 110 + * lapic (always-on,ARAT) ------ 150 + */ + +__cpuinitdata enum mrst_timer_options mrst_timer_options; + static u32 sfi_mtimer_usage[SFI_MTMR_MAX_NUM]; static struct sfi_timer_table_entry sfi_mtimer_array[SFI_MTMR_MAX_NUM]; +enum mrst_cpu_type __mrst_cpu_chip; +EXPORT_SYMBOL_GPL(__mrst_cpu_chip); + int sfi_mtimer_num; struct sfi_rtc_table_entry sfi_mrtc_array[SFI_MRTC_MAX]; @@ -167,18 +193,6 @@ int __init sfi_parse_mrtc(struct sfi_table_header *table) return 0; } -/* - * the secondary clock in Moorestown can be APBT or LAPIC clock, default to - * APBT but cmdline option can also override it. - */ -static void __cpuinit mrst_setup_secondary_clock(void) -{ - /* restore default lapic clock if disabled by cmdline */ - if (disable_apbt_percpu) - return setup_secondary_APIC_clock(); - apbt_setup_secondary_clock(); -} - static unsigned long __init mrst_calibrate_tsc(void) { unsigned long flags, fast_calibrate; @@ -195,6 +209,21 @@ static unsigned long __init mrst_calibrate_tsc(void) void __init mrst_time_init(void) { + switch (mrst_timer_options) { + case MRST_TIMER_APBT_ONLY: + break; + case MRST_TIMER_LAPIC_APBT: + x86_init.timers.setup_percpu_clockev = setup_boot_APIC_clock; + x86_cpuinit.setup_percpu_clockev = setup_secondary_APIC_clock; + break; + default: + if (!boot_cpu_has(X86_FEATURE_ARAT)) + break; + x86_init.timers.setup_percpu_clockev = setup_boot_APIC_clock; + x86_cpuinit.setup_percpu_clockev = setup_secondary_APIC_clock; + return; + } + /* we need at least one APB timer */ sfi_table_parse(SFI_SIG_MTMR, NULL, NULL, sfi_parse_mtmr); pre_init_apic_IRQ0(); apbt_time_init(); @@ -205,16 +234,21 @@ void __init mrst_rtc_init(void) sfi_table_parse(SFI_SIG_MRTC, NULL, NULL, sfi_parse_mrtc); } -/* - * if we use per cpu apb timer, the bootclock already setup. if we use lapic - * timer and one apbt timer for broadcast, we need to set up lapic boot clock. - */ -static void __init mrst_setup_boot_clock(void) +void __cpuinit mrst_arch_setup(void) { - pr_info("%s: per cpu apbt flag %d \n", __func__, disable_apbt_percpu); - if (disable_apbt_percpu) - setup_boot_APIC_clock(); -}; + if (boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model == 0x27) + __mrst_cpu_chip = MRST_CPU_CHIP_PENWELL; + else if (boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model == 0x26) + __mrst_cpu_chip = MRST_CPU_CHIP_LINCROFT; + else { + pr_err("Unknown Moorestown CPU (%d:%d), default to Lincroft\n", + boot_cpu_data.x86, boot_cpu_data.x86_model); + __mrst_cpu_chip = MRST_CPU_CHIP_LINCROFT; + } + pr_debug("Moorestown CPU %s identified\n", + (__mrst_cpu_chip == MRST_CPU_CHIP_LINCROFT) ? + "Lincroft" : "Penwell"); +} /* MID systems don't have i8042 controller */ static int mrst_i8042_detect(void) @@ -232,11 +266,13 @@ void __init x86_mrst_early_setup(void) x86_init.resources.reserve_resources = x86_init_noop; x86_init.timers.timer_init = mrst_time_init; - x86_init.timers.setup_percpu_clockev = mrst_setup_boot_clock; + x86_init.timers.setup_percpu_clockev = x86_init_noop; x86_init.irqs.pre_vector_init = x86_init_noop; - x86_cpuinit.setup_percpu_clockev = mrst_setup_secondary_clock; + x86_init.oem.arch_setup = mrst_arch_setup; + + x86_cpuinit.setup_percpu_clockev = apbt_setup_secondary_clock; x86_platform.calibrate_tsc = mrst_calibrate_tsc; x86_platform.i8042_detect = mrst_i8042_detect; @@ -250,3 +286,26 @@ void __init x86_mrst_early_setup(void) x86_init.mpparse.get_smp_config = x86_init_uint_noop; } + +/* + * if user does not want to use per CPU apb timer, just give it a lower rating + * than local apic timer and skip the late per cpu timer init. + */ +static inline int __init setup_x86_mrst_timer(char *arg) +{ + if (!arg) + return -EINVAL; + + if (strcmp("apbt_only", arg) == 0) + mrst_timer_options = MRST_TIMER_APBT_ONLY; + else if (strcmp("lapic_and_apbt", arg) == 0) + mrst_timer_options = MRST_TIMER_LAPIC_APBT; + else { + pr_warning("X86 MRST timer option %s not recognised" + " use x86_mrst_timer=apbt_only or lapic_and_apbt\n", + arg); + return -EINVAL; + } + return 0; +} +__setup("x86_mrst_timer=", setup_x86_mrst_timer); diff --git a/arch/x86/kernel/olpc.c b/arch/x86/kernel/olpc.c index 8297160c41b..0e0cdde519b 100644 --- a/arch/x86/kernel/olpc.c +++ b/arch/x86/kernel/olpc.c @@ -21,10 +21,7 @@ #include <asm/geode.h> #include <asm/setup.h> #include <asm/olpc.h> - -#ifdef CONFIG_OPEN_FIRMWARE -#include <asm/ofw.h> -#endif +#include <asm/olpc_ofw.h> struct olpc_platform_t olpc_platform_info; EXPORT_SYMBOL_GPL(olpc_platform_info); @@ -145,7 +142,7 @@ restart: * The OBF flag will sometimes misbehave due to what we believe * is a hardware quirk.. */ - printk(KERN_DEBUG "olpc-ec: running cmd 0x%x\n", cmd); + pr_devel("olpc-ec: running cmd 0x%x\n", cmd); outb(cmd, 0x6c); if (wait_on_ibf(0x6c, 0)) { @@ -162,8 +159,7 @@ restart: " EC accept data!\n"); goto err; } - printk(KERN_DEBUG "olpc-ec: sending cmd arg 0x%x\n", - inbuf[i]); + pr_devel("olpc-ec: sending cmd arg 0x%x\n", inbuf[i]); outb(inbuf[i], 0x68); } } @@ -176,8 +172,7 @@ restart: goto restart; } outbuf[i] = inb(0x68); - printk(KERN_DEBUG "olpc-ec: received 0x%x\n", - outbuf[i]); + pr_devel("olpc-ec: received 0x%x\n", outbuf[i]); } } @@ -188,14 +183,15 @@ err: } EXPORT_SYMBOL_GPL(olpc_ec_cmd); -#ifdef CONFIG_OPEN_FIRMWARE +#ifdef CONFIG_OLPC_OPENFIRMWARE static void __init platform_detect(void) { size_t propsize; __be32 rev; + const void *args[] = { NULL, "board-revision-int", &rev, (void *)4 }; + void *res[] = { &propsize }; - if (ofw("getprop", 4, 1, NULL, "board-revision-int", &rev, 4, - &propsize) || propsize != 4) { + if (olpc_ofw("getprop", args, res) || propsize != 4) { printk(KERN_ERR "ofw: getprop call failed!\n"); rev = cpu_to_be32(0); } diff --git a/arch/x86/kernel/olpc_ofw.c b/arch/x86/kernel/olpc_ofw.c new file mode 100644 index 00000000000..3218aa71ab5 --- /dev/null +++ b/arch/x86/kernel/olpc_ofw.c @@ -0,0 +1,106 @@ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <asm/page.h> +#include <asm/setup.h> +#include <asm/io.h> +#include <asm/pgtable.h> +#include <asm/olpc_ofw.h> + +/* address of OFW callback interface; will be NULL if OFW isn't found */ +static int (*olpc_ofw_cif)(int *); + +/* page dir entry containing OFW's pgdir table; filled in by head_32.S */ +u32 olpc_ofw_pgd __initdata; + +static DEFINE_SPINLOCK(ofw_lock); + +#define MAXARGS 10 + +void __init setup_olpc_ofw_pgd(void) +{ + pgd_t *base, *ofw_pde; + + if (!olpc_ofw_cif) + return; + + /* fetch OFW's PDE */ + base = early_ioremap(olpc_ofw_pgd, sizeof(olpc_ofw_pgd) * PTRS_PER_PGD); + if (!base) { + printk(KERN_ERR "failed to remap OFW's pgd - disabling OFW!\n"); + olpc_ofw_cif = NULL; + return; + } + ofw_pde = &base[OLPC_OFW_PDE_NR]; + + /* install OFW's PDE permanently into the kernel's pgtable */ + set_pgd(&swapper_pg_dir[OLPC_OFW_PDE_NR], *ofw_pde); + /* implicit optimization barrier here due to uninline function return */ + + early_iounmap(base, sizeof(olpc_ofw_pgd) * PTRS_PER_PGD); +} + +int __olpc_ofw(const char *name, int nr_args, const void **args, int nr_res, + void **res) +{ + int ofw_args[MAXARGS + 3]; + unsigned long flags; + int ret, i, *p; + + BUG_ON(nr_args + nr_res > MAXARGS); + + if (!olpc_ofw_cif) + return -EIO; + + ofw_args[0] = (int)name; + ofw_args[1] = nr_args; + ofw_args[2] = nr_res; + + p = &ofw_args[3]; + for (i = 0; i < nr_args; i++, p++) + *p = (int)args[i]; + + /* call into ofw */ + spin_lock_irqsave(&ofw_lock, flags); + ret = olpc_ofw_cif(ofw_args); + spin_unlock_irqrestore(&ofw_lock, flags); + + if (!ret) { + for (i = 0; i < nr_res; i++, p++) + *((int *)res[i]) = *p; + } + + return ret; +} +EXPORT_SYMBOL_GPL(__olpc_ofw); + +/* OFW cif _should_ be above this address */ +#define OFW_MIN 0xff000000 + +/* OFW starts on a 1MB boundary */ +#define OFW_BOUND (1<<20) + +void __init olpc_ofw_detect(void) +{ + struct olpc_ofw_header *hdr = &boot_params.olpc_ofw_header; + unsigned long start; + + /* ensure OFW booted us by checking for "OFW " string */ + if (hdr->ofw_magic != OLPC_OFW_SIG) + return; + + olpc_ofw_cif = (int (*)(int *))hdr->cif_handler; + + if ((unsigned long)olpc_ofw_cif < OFW_MIN) { + printk(KERN_ERR "OFW detected, but cif has invalid address 0x%lx - disabling.\n", + (unsigned long)olpc_ofw_cif); + olpc_ofw_cif = NULL; + return; + } + + /* determine where OFW starts in memory */ + start = round_down((unsigned long)olpc_ofw_cif, OFW_BOUND); + printk(KERN_INFO "OFW detected in memory, cif @ 0x%lx (reserving top %ldMB)\n", + (unsigned long)olpc_ofw_cif, (-start) >> 20); + reserve_top_address(-start); +} diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 4b7e3d8b01d..9f07cfcbd3a 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -13,6 +13,7 @@ #include <asm/calgary.h> #include <asm/amd_iommu.h> #include <asm/x86_init.h> +#include <asm/xen/swiotlb-xen.h> static int forbid_dac __read_mostly; @@ -132,7 +133,7 @@ void __init pci_iommu_alloc(void) /* free the range so iommu could get some range less than 4G */ dma32_free_bootmem(); - if (pci_swiotlb_detect()) + if (pci_xen_swiotlb_detect() || pci_swiotlb_detect()) goto out; gart_iommu_hole_init(); @@ -144,6 +145,8 @@ void __init pci_iommu_alloc(void) /* needs to be called after gart_iommu_hole_init */ amd_iommu_detect(); out: + pci_xen_swiotlb_init(); + pci_swiotlb_init(); } @@ -296,7 +299,7 @@ static int __init pci_iommu_init(void) #endif x86_init.iommu.iommu_init(); - if (swiotlb) { + if (swiotlb || xen_swiotlb) { printk(KERN_INFO "PCI-DMA: " "Using software bounce buffering for IO (SWIOTLB)\n"); swiotlb_print_info(); diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index cbcf013a0ec..57d1868a86a 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -301,8 +301,9 @@ EXPORT_SYMBOL(kernel_thread); /* * sys_execve() executes a new program. */ -long sys_execve(char __user *name, char __user * __user *argv, - char __user * __user *envp, struct pt_regs *regs) +long sys_execve(const char __user *name, + const char __user *const __user *argv, + const char __user *const __user *envp, struct pt_regs *regs) { long error; char *filename; @@ -526,44 +527,10 @@ static int __cpuinit mwait_usable(const struct cpuinfo_x86 *c) return (edx & MWAIT_EDX_C1); } -/* - * Check for AMD CPUs, where APIC timer interrupt does not wake up CPU from C1e. - * For more information see - * - Erratum #400 for NPT family 0xf and family 0x10 CPUs - * - Erratum #365 for family 0x11 (not affected because C1e not in use) - */ -static int __cpuinit check_c1e_idle(const struct cpuinfo_x86 *c) -{ - u64 val; - if (c->x86_vendor != X86_VENDOR_AMD) - goto no_c1e_idle; - - /* Family 0x0f models < rev F do not have C1E */ - if (c->x86 == 0x0F && c->x86_model >= 0x40) - return 1; - - if (c->x86 == 0x10) { - /* - * check OSVW bit for CPUs that are not affected - * by erratum #400 - */ - if (cpu_has(c, X86_FEATURE_OSVW)) { - rdmsrl(MSR_AMD64_OSVW_ID_LENGTH, val); - if (val >= 2) { - rdmsrl(MSR_AMD64_OSVW_STATUS, val); - if (!(val & BIT(1))) - goto no_c1e_idle; - } - } - return 1; - } - -no_c1e_idle: - return 0; -} +bool c1e_detected; +EXPORT_SYMBOL(c1e_detected); static cpumask_var_t c1e_mask; -static int c1e_detected; void c1e_remove_cpu(int cpu) { @@ -585,12 +552,12 @@ static void c1e_idle(void) u32 lo, hi; rdmsr(MSR_K8_INT_PENDING_MSG, lo, hi); + if (lo & K8_INTP_C1E_ACTIVE_MASK) { - c1e_detected = 1; + c1e_detected = true; if (!boot_cpu_has(X86_FEATURE_NONSTOP_TSC)) mark_tsc_unstable("TSC halt in AMD C1E"); printk(KERN_INFO "System has AMD C1E enabled\n"); - set_cpu_cap(&boot_cpu_data, X86_FEATURE_AMDC1E); } } @@ -639,7 +606,8 @@ void __cpuinit select_idle_routine(const struct cpuinfo_x86 *c) */ printk(KERN_INFO "using mwait in idle threads.\n"); pm_idle = mwait_idle; - } else if (check_c1e_idle(c)) { + } else if (cpu_has_amd_erratum(amd_erratum_400)) { + /* E400: APIC timer interrupt does not wake up CPU from C1e */ printk(KERN_INFO "using C1E aware idle routine\n"); pm_idle = c1e_idle; } else diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 8d128783af4..96586c3cbbb 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -57,6 +57,8 @@ #include <asm/syscalls.h> #include <asm/debugreg.h> +#include <trace/events/power.h> + asmlinkage void ret_from_fork(void) __asm__("ret_from_fork"); /* @@ -111,6 +113,8 @@ void cpu_idle(void) stop_critical_timings(); pm_idle(); start_critical_timings(); + + trace_power_end(smp_processor_id()); } tick_nohz_restart_sched_tick(); preempt_enable_no_resched(); diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 3c2422a99f1..3d9ea531ddd 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -51,6 +51,8 @@ #include <asm/syscalls.h> #include <asm/debugreg.h> +#include <trace/events/power.h> + asmlinkage extern void ret_from_fork(void); DEFINE_PER_CPU(unsigned long, old_rsp); @@ -138,6 +140,9 @@ void cpu_idle(void) stop_critical_timings(); pm_idle(); start_critical_timings(); + + trace_power_end(smp_processor_id()); + /* In many cases the interrupt that ended idle has already called exit_idle. But some idle loops can be woken up without interrupt. */ diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index b4ae4acbd03..c3a4fbb2b99 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -102,6 +102,7 @@ #include <asm/paravirt.h> #include <asm/hypervisor.h> +#include <asm/olpc_ofw.h> #include <asm/percpu.h> #include <asm/topology.h> @@ -736,10 +737,15 @@ void __init setup_arch(char **cmdline_p) /* VMI may relocate the fixmap; do this before touching ioremap area */ vmi_init(); + /* OFW also may relocate the fixmap */ + olpc_ofw_detect(); + early_trap_init(); early_cpu_init(); early_ioremap_init(); + setup_olpc_ofw_pgd(); + ROOT_DEV = old_decode_dev(boot_params.hdr.root_dev); screen_info = boot_params.screen_info; edid_info = boot_params.edid_info; @@ -1008,6 +1014,8 @@ void __init setup_arch(char **cmdline_p) paging_init(); x86_init.paging.pagetable_setup_done(swapper_pg_dir); + setup_trampoline_page_table(); + tboot_probe(); #ifdef CONFIG_X86_64 diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index c4f33b2e77d..8b3bfc4dd70 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -73,7 +73,6 @@ #ifdef CONFIG_X86_32 u8 apicid_2_node[MAX_APICID]; -static int low_mappings; #endif /* State of each CPU */ @@ -91,6 +90,25 @@ DEFINE_PER_CPU(int, cpu_state) = { 0 }; static DEFINE_PER_CPU(struct task_struct *, idle_thread_array); #define get_idle_for_cpu(x) (per_cpu(idle_thread_array, x)) #define set_idle_for_cpu(x, p) (per_cpu(idle_thread_array, x) = (p)) + +/* + * We need this for trampoline_base protection from concurrent accesses when + * off- and onlining cores wildly. + */ +static DEFINE_MUTEX(x86_cpu_hotplug_driver_mutex); + +void cpu_hotplug_driver_lock() +{ + mutex_lock(&x86_cpu_hotplug_driver_mutex); +} + +void cpu_hotplug_driver_unlock() +{ + mutex_unlock(&x86_cpu_hotplug_driver_mutex); +} + +ssize_t arch_cpu_probe(const char *buf, size_t count) { return -1; } +ssize_t arch_cpu_release(const char *buf, size_t count) { return -1; } #else static struct task_struct *idle_thread_array[NR_CPUS] __cpuinitdata ; #define get_idle_for_cpu(x) (idle_thread_array[(x)]) @@ -281,6 +299,18 @@ notrace static void __cpuinit start_secondary(void *unused) * fragile that we want to limit the things done here to the * most necessary things. */ + +#ifdef CONFIG_X86_32 + /* + * Switch away from the trampoline page-table + * + * Do this before cpu_init() because it needs to access per-cpu + * data which may not be mapped in the trampoline page-table. + */ + load_cr3(swapper_pg_dir); + __flush_tlb_all(); +#endif + vmi_bringup(); cpu_init(); preempt_disable(); @@ -299,12 +329,6 @@ notrace static void __cpuinit start_secondary(void *unused) legacy_pic->chip->unmask(0); } -#ifdef CONFIG_X86_32 - while (low_mappings) - cpu_relax(); - __flush_tlb_all(); -#endif - /* This must be done before setting cpu_online_mask */ set_cpu_sibling_map(raw_smp_processor_id()); wmb(); @@ -735,12 +759,8 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu) goto do_rest; } - if (!keventd_up() || current_is_keventd()) - c_idle.work.func(&c_idle.work); - else { - schedule_work(&c_idle.work); - wait_for_completion(&c_idle.done); - } + schedule_work(&c_idle.work); + wait_for_completion(&c_idle.done); if (IS_ERR(c_idle.idle)) { printk("failed fork for CPU %d\n", cpu); @@ -754,6 +774,7 @@ do_rest: #ifdef CONFIG_X86_32 /* Stack for startup_32 can be just as for start_secondary onwards */ irq_ctx_init(cpu); + initial_page_table = __pa(&trampoline_pg_dir); #else clear_tsk_thread_flag(c_idle.idle, TIF_FORK); initial_gs = per_cpu_offset(cpu); @@ -816,6 +837,13 @@ do_rest: if (cpumask_test_cpu(cpu, cpu_callin_mask)) break; /* It has booted */ udelay(100); + /* + * Allow other tasks to run while we wait for the + * AP to come online. This also gives a chance + * for the MTRR work(triggered by the AP coming online) + * to be completed in the stop machine context. + */ + schedule(); } if (cpumask_test_cpu(cpu, cpu_callin_mask)) @@ -894,20 +922,8 @@ int __cpuinit native_cpu_up(unsigned int cpu) per_cpu(cpu_state, cpu) = CPU_UP_PREPARE; -#ifdef CONFIG_X86_32 - /* init low mem mapping */ - clone_pgd_range(swapper_pg_dir, swapper_pg_dir + KERNEL_PGD_BOUNDARY, - min_t(unsigned long, KERNEL_PGD_PTRS, KERNEL_PGD_BOUNDARY)); - flush_tlb_all(); - low_mappings = 1; - err = do_boot_cpu(apicid, cpu); - zap_low_mappings(false); - low_mappings = 0; -#else - err = do_boot_cpu(apicid, cpu); -#endif if (err) { pr_debug("do_boot_cpu failed %d\n", err); return -EIO; diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c index 922eefbb3f6..b53c525368a 100644 --- a/arch/x86/kernel/stacktrace.c +++ b/arch/x86/kernel/stacktrace.c @@ -23,11 +23,16 @@ static int save_stack_stack(void *data, char *name) return 0; } -static void save_stack_address(void *data, unsigned long addr, int reliable) +static void +__save_stack_address(void *data, unsigned long addr, bool reliable, bool nosched) { struct stack_trace *trace = data; +#ifdef CONFIG_FRAME_POINTER if (!reliable) return; +#endif + if (nosched && in_sched_functions(addr)) + return; if (trace->skip > 0) { trace->skip--; return; @@ -36,20 +41,15 @@ static void save_stack_address(void *data, unsigned long addr, int reliable) trace->entries[trace->nr_entries++] = addr; } +static void save_stack_address(void *data, unsigned long addr, int reliable) +{ + return __save_stack_address(data, addr, reliable, false); +} + static void save_stack_address_nosched(void *data, unsigned long addr, int reliable) { - struct stack_trace *trace = (struct stack_trace *)data; - if (!reliable) - return; - if (in_sched_functions(addr)) - return; - if (trace->skip > 0) { - trace->skip--; - return; - } - if (trace->nr_entries < trace->max_entries) - trace->entries[trace->nr_entries++] = addr; + return __save_stack_address(data, addr, reliable, true); } static const struct stacktrace_ops save_stack_ops = { @@ -96,12 +96,13 @@ EXPORT_SYMBOL_GPL(save_stack_trace_tsk); /* Userspace stacktrace - based on kernel/trace/trace_sysprof.c */ -struct stack_frame { +struct stack_frame_user { const void __user *next_fp; unsigned long ret_addr; }; -static int copy_stack_frame(const void __user *fp, struct stack_frame *frame) +static int +copy_stack_frame(const void __user *fp, struct stack_frame_user *frame) { int ret; @@ -126,7 +127,7 @@ static inline void __save_stack_trace_user(struct stack_trace *trace) trace->entries[trace->nr_entries++] = regs->ip; while (trace->nr_entries < trace->max_entries) { - struct stack_frame frame; + struct stack_frame_user frame; frame.next_fp = NULL; frame.ret_addr = 0; diff --git a/arch/x86/kernel/sys_i386_32.c b/arch/x86/kernel/sys_i386_32.c index 196552bb412..d5e06624e34 100644 --- a/arch/x86/kernel/sys_i386_32.c +++ b/arch/x86/kernel/sys_i386_32.c @@ -28,7 +28,9 @@ * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. */ -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { long __res; asm volatile ("push %%ebx ; movl %2,%%ebx ; int $0x80 ; pop %%ebx" diff --git a/arch/x86/kernel/syscall_table_32.S b/arch/x86/kernel/syscall_table_32.S index 8b372934121..b35786dc9b8 100644 --- a/arch/x86/kernel/syscall_table_32.S +++ b/arch/x86/kernel/syscall_table_32.S @@ -337,3 +337,6 @@ ENTRY(sys_call_table) .long sys_rt_tgsigqueueinfo /* 335 */ .long sys_perf_event_open .long sys_recvmmsg + .long sys_fanotify_init + .long sys_fanotify_mark + .long sys_prlimit64 /* 340 */ diff --git a/arch/x86/kernel/tlb_uv.c b/arch/x86/kernel/tlb_uv.c index 7fea555929e..312ef029281 100644 --- a/arch/x86/kernel/tlb_uv.c +++ b/arch/x86/kernel/tlb_uv.c @@ -8,6 +8,7 @@ */ #include <linux/seq_file.h> #include <linux/proc_fs.h> +#include <linux/debugfs.h> #include <linux/kernel.h> #include <linux/slab.h> @@ -22,19 +23,37 @@ #include <asm/irq_vectors.h> #include <asm/timer.h> -struct msg_desc { - struct bau_payload_queue_entry *msg; - int msg_slot; - int sw_ack_slot; - struct bau_payload_queue_entry *va_queue_first; - struct bau_payload_queue_entry *va_queue_last; +/* timeouts in nanoseconds (indexed by UVH_AGING_PRESCALE_SEL urgency7 30:28) */ +static int timeout_base_ns[] = { + 20, + 160, + 1280, + 10240, + 81920, + 655360, + 5242880, + 167772160 }; - -#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD 0x000000000bUL - -static int uv_bau_max_concurrent __read_mostly; - +static int timeout_us; static int nobau; +static int baudisabled; +static spinlock_t disable_lock; +static cycles_t congested_cycles; + +/* tunables: */ +static int max_bau_concurrent = MAX_BAU_CONCURRENT; +static int max_bau_concurrent_constant = MAX_BAU_CONCURRENT; +static int plugged_delay = PLUGGED_DELAY; +static int plugsb4reset = PLUGSB4RESET; +static int timeoutsb4reset = TIMEOUTSB4RESET; +static int ipi_reset_limit = IPI_RESET_LIMIT; +static int complete_threshold = COMPLETE_THRESHOLD; +static int congested_response_us = CONGESTED_RESPONSE_US; +static int congested_reps = CONGESTED_REPS; +static int congested_period = CONGESTED_PERIOD; +static struct dentry *tunables_dir; +static struct dentry *tunables_file; + static int __init setup_nobau(char *arg) { nobau = 1; @@ -52,10 +71,6 @@ static DEFINE_PER_CPU(struct ptc_stats, ptcstats); static DEFINE_PER_CPU(struct bau_control, bau_control); static DEFINE_PER_CPU(cpumask_var_t, uv_flush_tlb_mask); -struct reset_args { - int sender; -}; - /* * Determine the first node on a uvhub. 'Nodes' are used for kernel * memory allocation. @@ -126,7 +141,7 @@ static inline void uv_bau_process_retry_msg(struct msg_desc *mdp, struct ptc_stats *stat; msg = mdp->msg; - stat = &per_cpu(ptcstats, bcp->cpu); + stat = bcp->statp; stat->d_retries++; /* * cancel any message from msg+1 to the retry itself @@ -146,15 +161,14 @@ static inline void uv_bau_process_retry_msg(struct msg_desc *mdp, slot2 = msg2 - mdp->va_queue_first; mmr = uv_read_local_mmr (UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE); - msg_res = ((msg2->sw_ack_vector << 8) | - msg2->sw_ack_vector); + msg_res = msg2->sw_ack_vector; /* * This is a message retry; clear the resources held * by the previous message only if they timed out. * If it has not timed out we have an unexpected * situation to report. */ - if (mmr & (msg_res << 8)) { + if (mmr & (msg_res << UV_SW_ACK_NPENDING)) { /* * is the resource timed out? * make everyone ignore the cancelled message. @@ -164,9 +178,9 @@ static inline void uv_bau_process_retry_msg(struct msg_desc *mdp, cancel_count++; uv_write_local_mmr( UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE_ALIAS, - (msg_res << 8) | msg_res); - } else - printk(KERN_INFO "note bau retry: no effect\n"); + (msg_res << UV_SW_ACK_NPENDING) | + msg_res); + } } } if (!cancel_count) @@ -190,7 +204,7 @@ static void uv_bau_process_message(struct msg_desc *mdp, * This must be a normal message, or retry of a normal message */ msg = mdp->msg; - stat = &per_cpu(ptcstats, bcp->cpu); + stat = bcp->statp; if (msg->address == TLB_FLUSH_ALL) { local_flush_tlb(); stat->d_alltlb++; @@ -274,7 +288,7 @@ uv_do_reset(void *ptr) bcp = &per_cpu(bau_control, smp_processor_id()); rap = (struct reset_args *)ptr; - stat = &per_cpu(ptcstats, bcp->cpu); + stat = bcp->statp; stat->d_resets++; /* @@ -302,13 +316,13 @@ uv_do_reset(void *ptr) */ mmr = uv_read_local_mmr (UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE); - msg_res = ((msg->sw_ack_vector << 8) | - msg->sw_ack_vector); + msg_res = msg->sw_ack_vector; if (mmr & msg_res) { stat->d_rcanceled++; uv_write_local_mmr( UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE_ALIAS, - msg_res); + (msg_res << UV_SW_ACK_NPENDING) | + msg_res); } } } @@ -386,17 +400,12 @@ static int uv_wait_completion(struct bau_desc *bau_desc, unsigned long mmr_offset, int right_shift, int this_cpu, struct bau_control *bcp, struct bau_control *smaster, long try) { - int relaxes = 0; unsigned long descriptor_status; - unsigned long mmr; - unsigned long mask; cycles_t ttime; - cycles_t timeout_time; - struct ptc_stats *stat = &per_cpu(ptcstats, this_cpu); + struct ptc_stats *stat = bcp->statp; struct bau_control *hmaster; hmaster = bcp->uvhub_master; - timeout_time = get_cycles() + bcp->timeout_interval; /* spin on the status MMR, waiting for it to go idle */ while ((descriptor_status = (((unsigned long) @@ -423,7 +432,8 @@ static int uv_wait_completion(struct bau_desc *bau_desc, * pending. In that case hardware returns the * ERROR that looks like a destination timeout. */ - if (cycles_2_us(ttime - bcp->send_message) < BIOS_TO) { + if (cycles_2_us(ttime - bcp->send_message) < + timeout_us) { bcp->conseccompletes = 0; return FLUSH_RETRY_PLUGGED; } @@ -435,26 +445,6 @@ static int uv_wait_completion(struct bau_desc *bau_desc, * descriptor_status is still BUSY */ cpu_relax(); - relaxes++; - if (relaxes >= 10000) { - relaxes = 0; - if (get_cycles() > timeout_time) { - quiesce_local_uvhub(hmaster); - - /* single-thread the register change */ - spin_lock(&hmaster->masks_lock); - mmr = uv_read_local_mmr(mmr_offset); - mask = 0UL; - mask |= (3UL < right_shift); - mask = ~mask; - mmr &= mask; - uv_write_local_mmr(mmr_offset, mmr); - spin_unlock(&hmaster->masks_lock); - end_uvhub_quiesce(hmaster); - stat->s_busy++; - return FLUSH_GIVEUP; - } - } } } bcp->conseccompletes++; @@ -494,56 +484,116 @@ static inline int atomic_inc_unless_ge(spinlock_t *lock, atomic_t *v, int u) return 1; } +/* + * Our retries are blocked by all destination swack resources being + * in use, and a timeout is pending. In that case hardware immediately + * returns the ERROR that looks like a destination timeout. + */ +static void +destination_plugged(struct bau_desc *bau_desc, struct bau_control *bcp, + struct bau_control *hmaster, struct ptc_stats *stat) +{ + udelay(bcp->plugged_delay); + bcp->plugged_tries++; + if (bcp->plugged_tries >= bcp->plugsb4reset) { + bcp->plugged_tries = 0; + quiesce_local_uvhub(hmaster); + spin_lock(&hmaster->queue_lock); + uv_reset_with_ipi(&bau_desc->distribution, bcp->cpu); + spin_unlock(&hmaster->queue_lock); + end_uvhub_quiesce(hmaster); + bcp->ipi_attempts++; + stat->s_resets_plug++; + } +} + +static void +destination_timeout(struct bau_desc *bau_desc, struct bau_control *bcp, + struct bau_control *hmaster, struct ptc_stats *stat) +{ + hmaster->max_bau_concurrent = 1; + bcp->timeout_tries++; + if (bcp->timeout_tries >= bcp->timeoutsb4reset) { + bcp->timeout_tries = 0; + quiesce_local_uvhub(hmaster); + spin_lock(&hmaster->queue_lock); + uv_reset_with_ipi(&bau_desc->distribution, bcp->cpu); + spin_unlock(&hmaster->queue_lock); + end_uvhub_quiesce(hmaster); + bcp->ipi_attempts++; + stat->s_resets_timeout++; + } +} + +/* + * Completions are taking a very long time due to a congested numalink + * network. + */ +static void +disable_for_congestion(struct bau_control *bcp, struct ptc_stats *stat) +{ + int tcpu; + struct bau_control *tbcp; + + /* let only one cpu do this disabling */ + spin_lock(&disable_lock); + if (!baudisabled && bcp->period_requests && + ((bcp->period_time / bcp->period_requests) > congested_cycles)) { + /* it becomes this cpu's job to turn on the use of the + BAU again */ + baudisabled = 1; + bcp->set_bau_off = 1; + bcp->set_bau_on_time = get_cycles() + + sec_2_cycles(bcp->congested_period); + stat->s_bau_disabled++; + for_each_present_cpu(tcpu) { + tbcp = &per_cpu(bau_control, tcpu); + tbcp->baudisabled = 1; + } + } + spin_unlock(&disable_lock); +} + /** * uv_flush_send_and_wait * * Send a broadcast and wait for it to complete. * - * The flush_mask contains the cpus the broadcast is to be sent to, plus + * The flush_mask contains the cpus the broadcast is to be sent to including * cpus that are on the local uvhub. * - * Returns NULL if all flushing represented in the mask was done. The mask - * is zeroed. - * Returns @flush_mask if some remote flushing remains to be done. The - * mask will have some bits still set, representing any cpus on the local - * uvhub (not current cpu) and any on remote uvhubs if the broadcast failed. + * Returns 0 if all flushing represented in the mask was done. + * Returns 1 if it gives up entirely and the original cpu mask is to be + * returned to the kernel. */ -const struct cpumask *uv_flush_send_and_wait(struct bau_desc *bau_desc, - struct cpumask *flush_mask, - struct bau_control *bcp) +int uv_flush_send_and_wait(struct bau_desc *bau_desc, + struct cpumask *flush_mask, struct bau_control *bcp) { int right_shift; - int uvhub; - int bit; int completion_status = 0; int seq_number = 0; long try = 0; int cpu = bcp->uvhub_cpu; int this_cpu = bcp->cpu; - int this_uvhub = bcp->uvhub; unsigned long mmr_offset; unsigned long index; cycles_t time1; cycles_t time2; - struct ptc_stats *stat = &per_cpu(ptcstats, bcp->cpu); + cycles_t elapsed; + struct ptc_stats *stat = bcp->statp; struct bau_control *smaster = bcp->socket_master; struct bau_control *hmaster = bcp->uvhub_master; - /* - * Spin here while there are hmaster->max_concurrent or more active - * descriptors. This is the per-uvhub 'throttle'. - */ if (!atomic_inc_unless_ge(&hmaster->uvhub_lock, &hmaster->active_descriptor_count, - hmaster->max_concurrent)) { + hmaster->max_bau_concurrent)) { stat->s_throttles++; do { cpu_relax(); } while (!atomic_inc_unless_ge(&hmaster->uvhub_lock, &hmaster->active_descriptor_count, - hmaster->max_concurrent)); + hmaster->max_bau_concurrent)); } - while (hmaster->uvhub_quiesce) cpu_relax(); @@ -557,23 +607,10 @@ const struct cpumask *uv_flush_send_and_wait(struct bau_desc *bau_desc, } time1 = get_cycles(); do { - /* - * Every message from any given cpu gets a unique message - * sequence number. But retries use that same number. - * Our message may have timed out at the destination because - * all sw-ack resources are in use and there is a timeout - * pending there. In that case, our last send never got - * placed into the queue and we need to persist until it - * does. - * - * Make any retry a type MSG_RETRY so that the destination will - * free any resource held by a previous message from this cpu. - */ if (try == 0) { - /* use message type set by the caller the first time */ + bau_desc->header.msg_type = MSG_REGULAR; seq_number = bcp->message_number++; } else { - /* use RETRY type on all the rest; same sequence */ bau_desc->header.msg_type = MSG_RETRY; stat->s_retry_messages++; } @@ -581,50 +618,17 @@ const struct cpumask *uv_flush_send_and_wait(struct bau_desc *bau_desc, index = (1UL << UVH_LB_BAU_SB_ACTIVATION_CONTROL_PUSH_SHFT) | bcp->uvhub_cpu; bcp->send_message = get_cycles(); - uv_write_local_mmr(UVH_LB_BAU_SB_ACTIVATION_CONTROL, index); - try++; completion_status = uv_wait_completion(bau_desc, mmr_offset, right_shift, this_cpu, bcp, smaster, try); if (completion_status == FLUSH_RETRY_PLUGGED) { - /* - * Our retries may be blocked by all destination swack - * resources being consumed, and a timeout pending. In - * that case hardware immediately returns the ERROR - * that looks like a destination timeout. - */ - udelay(TIMEOUT_DELAY); - bcp->plugged_tries++; - if (bcp->plugged_tries >= PLUGSB4RESET) { - bcp->plugged_tries = 0; - quiesce_local_uvhub(hmaster); - spin_lock(&hmaster->queue_lock); - uv_reset_with_ipi(&bau_desc->distribution, - this_cpu); - spin_unlock(&hmaster->queue_lock); - end_uvhub_quiesce(hmaster); - bcp->ipi_attempts++; - stat->s_resets_plug++; - } + destination_plugged(bau_desc, bcp, hmaster, stat); } else if (completion_status == FLUSH_RETRY_TIMEOUT) { - hmaster->max_concurrent = 1; - bcp->timeout_tries++; - udelay(TIMEOUT_DELAY); - if (bcp->timeout_tries >= TIMEOUTSB4RESET) { - bcp->timeout_tries = 0; - quiesce_local_uvhub(hmaster); - spin_lock(&hmaster->queue_lock); - uv_reset_with_ipi(&bau_desc->distribution, - this_cpu); - spin_unlock(&hmaster->queue_lock); - end_uvhub_quiesce(hmaster); - bcp->ipi_attempts++; - stat->s_resets_timeout++; - } + destination_timeout(bau_desc, bcp, hmaster, stat); } - if (bcp->ipi_attempts >= 3) { + if (bcp->ipi_attempts >= bcp->ipi_reset_limit) { bcp->ipi_attempts = 0; completion_status = FLUSH_GIVEUP; break; @@ -633,49 +637,36 @@ const struct cpumask *uv_flush_send_and_wait(struct bau_desc *bau_desc, } while ((completion_status == FLUSH_RETRY_PLUGGED) || (completion_status == FLUSH_RETRY_TIMEOUT)); time2 = get_cycles(); - - if ((completion_status == FLUSH_COMPLETE) && (bcp->conseccompletes > 5) - && (hmaster->max_concurrent < hmaster->max_concurrent_constant)) - hmaster->max_concurrent++; - - /* - * hold any cpu not timing out here; no other cpu currently held by - * the 'throttle' should enter the activation code - */ + bcp->plugged_tries = 0; + bcp->timeout_tries = 0; + if ((completion_status == FLUSH_COMPLETE) && + (bcp->conseccompletes > bcp->complete_threshold) && + (hmaster->max_bau_concurrent < + hmaster->max_bau_concurrent_constant)) + hmaster->max_bau_concurrent++; while (hmaster->uvhub_quiesce) cpu_relax(); atomic_dec(&hmaster->active_descriptor_count); - - /* guard against cycles wrap */ - if (time2 > time1) - stat->s_time += (time2 - time1); - else - stat->s_requestor--; /* don't count this one */ + if (time2 > time1) { + elapsed = time2 - time1; + stat->s_time += elapsed; + if ((completion_status == FLUSH_COMPLETE) && (try == 1)) { + bcp->period_requests++; + bcp->period_time += elapsed; + if ((elapsed > congested_cycles) && + (bcp->period_requests > bcp->congested_reps)) { + disable_for_congestion(bcp, stat); + } + } + } else + stat->s_requestor--; if (completion_status == FLUSH_COMPLETE && try > 1) stat->s_retriesok++; else if (completion_status == FLUSH_GIVEUP) { - /* - * Cause the caller to do an IPI-style TLB shootdown on - * the target cpu's, all of which are still in the mask. - */ stat->s_giveup++; - return flush_mask; - } - - /* - * Success, so clear the remote cpu's from the mask so we don't - * use the IPI method of shootdown on them. - */ - for_each_cpu(bit, flush_mask) { - uvhub = uv_cpu_to_blade_id(bit); - if (uvhub == this_uvhub) - continue; - cpumask_clear_cpu(bit, flush_mask); + return 1; } - if (!cpumask_empty(flush_mask)) - return flush_mask; - - return NULL; + return 0; } /** @@ -707,70 +698,89 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask, struct mm_struct *mm, unsigned long va, unsigned int cpu) { - int remotes; int tcpu; int uvhub; int locals = 0; + int remotes = 0; + int hubs = 0; struct bau_desc *bau_desc; struct cpumask *flush_mask; struct ptc_stats *stat; struct bau_control *bcp; + struct bau_control *tbcp; + /* kernel was booted 'nobau' */ if (nobau) return cpumask; bcp = &per_cpu(bau_control, cpu); + stat = bcp->statp; + + /* bau was disabled due to slow response */ + if (bcp->baudisabled) { + /* the cpu that disabled it must re-enable it */ + if (bcp->set_bau_off) { + if (get_cycles() >= bcp->set_bau_on_time) { + stat->s_bau_reenabled++; + baudisabled = 0; + for_each_present_cpu(tcpu) { + tbcp = &per_cpu(bau_control, tcpu); + tbcp->baudisabled = 0; + tbcp->period_requests = 0; + tbcp->period_time = 0; + } + } + } + return cpumask; + } + /* * Each sending cpu has a per-cpu mask which it fills from the caller's - * cpu mask. Only remote cpus are converted to uvhubs and copied. + * cpu mask. All cpus are converted to uvhubs and copied to the + * activation descriptor. */ flush_mask = (struct cpumask *)per_cpu(uv_flush_tlb_mask, cpu); - /* - * copy cpumask to flush_mask, removing current cpu - * (current cpu should already have been flushed by the caller and - * should never be returned if we return flush_mask) - */ + /* don't actually do a shootdown of the local cpu */ cpumask_andnot(flush_mask, cpumask, cpumask_of(cpu)); if (cpu_isset(cpu, *cpumask)) - locals++; /* current cpu was targeted */ + stat->s_ntargself++; bau_desc = bcp->descriptor_base; bau_desc += UV_ITEMS_PER_DESCRIPTOR * bcp->uvhub_cpu; - bau_uvhubs_clear(&bau_desc->distribution, UV_DISTRIBUTION_SIZE); - remotes = 0; + + /* cpu statistics */ for_each_cpu(tcpu, flush_mask) { uvhub = uv_cpu_to_blade_id(tcpu); - if (uvhub == bcp->uvhub) { - locals++; - continue; - } bau_uvhub_set(uvhub, &bau_desc->distribution); - remotes++; - } - if (remotes == 0) { - /* - * No off_hub flushing; return status for local hub. - * Return the caller's mask if all were local (the current - * cpu may be in that mask). - */ - if (locals) - return cpumask; + if (uvhub == bcp->uvhub) + locals++; else - return NULL; + remotes++; } - stat = &per_cpu(ptcstats, cpu); + if ((locals + remotes) == 0) + return NULL; stat->s_requestor++; - stat->s_ntargcpu += remotes; + stat->s_ntargcpu += remotes + locals; + stat->s_ntargremotes += remotes; + stat->s_ntarglocals += locals; remotes = bau_uvhub_weight(&bau_desc->distribution); - stat->s_ntarguvhub += remotes; - if (remotes >= 16) + + /* uvhub statistics */ + hubs = bau_uvhub_weight(&bau_desc->distribution); + if (locals) { + stat->s_ntarglocaluvhub++; + stat->s_ntargremoteuvhub += (hubs - 1); + } else + stat->s_ntargremoteuvhub += hubs; + stat->s_ntarguvhub += hubs; + if (hubs >= 16) stat->s_ntarguvhub16++; - else if (remotes >= 8) + else if (hubs >= 8) stat->s_ntarguvhub8++; - else if (remotes >= 4) + else if (hubs >= 4) stat->s_ntarguvhub4++; - else if (remotes >= 2) + else if (hubs >= 2) stat->s_ntarguvhub2++; else stat->s_ntarguvhub1++; @@ -779,10 +789,13 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask, bau_desc->payload.sending_cpu = cpu; /* - * uv_flush_send_and_wait returns null if all cpu's were messaged, or - * the adjusted flush_mask if any cpu's were not messaged. + * uv_flush_send_and_wait returns 0 if all cpu's were messaged, + * or 1 if it gave up and the original cpumask should be returned. */ - return uv_flush_send_and_wait(bau_desc, flush_mask, bcp); + if (!uv_flush_send_and_wait(bau_desc, flush_mask, bcp)) + return NULL; + else + return cpumask; } /* @@ -810,7 +823,7 @@ void uv_bau_message_interrupt(struct pt_regs *regs) time_start = get_cycles(); bcp = &per_cpu(bau_control, smp_processor_id()); - stat = &per_cpu(ptcstats, smp_processor_id()); + stat = bcp->statp; msgdesc.va_queue_first = bcp->va_queue_first; msgdesc.va_queue_last = bcp->va_queue_last; msg = bcp->bau_msg_head; @@ -908,12 +921,12 @@ static void uv_ptc_seq_stop(struct seq_file *file, void *data) } static inline unsigned long long -millisec_2_cycles(unsigned long millisec) +microsec_2_cycles(unsigned long microsec) { unsigned long ns; unsigned long long cyc; - ns = millisec * 1000; + ns = microsec * 1000; cyc = (ns << CYC2NS_SCALE_FACTOR)/(per_cpu(cyc2ns, smp_processor_id())); return cyc; } @@ -931,15 +944,19 @@ static int uv_ptc_seq_show(struct seq_file *file, void *data) if (!cpu) { seq_printf(file, - "# cpu sent stime numuvhubs numuvhubs16 numuvhubs8 "); + "# cpu sent stime self locals remotes ncpus localhub "); + seq_printf(file, + "remotehub numuvhubs numuvhubs16 numuvhubs8 "); seq_printf(file, - "numuvhubs4 numuvhubs2 numuvhubs1 numcpus dto "); + "numuvhubs4 numuvhubs2 numuvhubs1 dto "); seq_printf(file, "retries rok resetp resett giveup sto bz throt "); seq_printf(file, "sw_ack recv rtime all "); seq_printf(file, - "one mult none retry canc nocan reset rcan\n"); + "one mult none retry canc nocan reset rcan "); + seq_printf(file, + "disable enable\n"); } if (cpu < num_possible_cpus() && cpu_online(cpu)) { stat = &per_cpu(ptcstats, cpu); @@ -947,18 +964,23 @@ static int uv_ptc_seq_show(struct seq_file *file, void *data) seq_printf(file, "cpu %d %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld ", cpu, stat->s_requestor, cycles_2_us(stat->s_time), - stat->s_ntarguvhub, stat->s_ntarguvhub16, + stat->s_ntargself, stat->s_ntarglocals, + stat->s_ntargremotes, stat->s_ntargcpu, + stat->s_ntarglocaluvhub, stat->s_ntargremoteuvhub, + stat->s_ntarguvhub, stat->s_ntarguvhub16); + seq_printf(file, "%ld %ld %ld %ld %ld ", stat->s_ntarguvhub8, stat->s_ntarguvhub4, stat->s_ntarguvhub2, stat->s_ntarguvhub1, - stat->s_ntargcpu, stat->s_dtimeout); + stat->s_dtimeout); seq_printf(file, "%ld %ld %ld %ld %ld %ld %ld %ld ", stat->s_retry_messages, stat->s_retriesok, stat->s_resets_plug, stat->s_resets_timeout, stat->s_giveup, stat->s_stimeout, stat->s_busy, stat->s_throttles); + /* destination side statistics */ seq_printf(file, - "%lx %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld\n", + "%lx %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld ", uv_read_global_mmr64(uv_cpu_to_pnode(cpu), UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE), stat->d_requestee, cycles_2_us(stat->d_time), @@ -966,15 +988,36 @@ static int uv_ptc_seq_show(struct seq_file *file, void *data) stat->d_nomsg, stat->d_retries, stat->d_canceled, stat->d_nocanceled, stat->d_resets, stat->d_rcanceled); + seq_printf(file, "%ld %ld\n", + stat->s_bau_disabled, stat->s_bau_reenabled); } return 0; } /* + * Display the tunables thru debugfs + */ +static ssize_t tunables_read(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + char buf[300]; + int ret; + + ret = snprintf(buf, 300, "%s %s %s\n%d %d %d %d %d %d %d %d %d\n", + "max_bau_concurrent plugged_delay plugsb4reset", + "timeoutsb4reset ipi_reset_limit complete_threshold", + "congested_response_us congested_reps congested_period", + max_bau_concurrent, plugged_delay, plugsb4reset, + timeoutsb4reset, ipi_reset_limit, complete_threshold, + congested_response_us, congested_reps, congested_period); + + return simple_read_from_buffer(userbuf, count, ppos, buf, ret); +} + +/* * -1: resetf the statistics * 0: display meaning of the statistics - * >0: maximum concurrent active descriptors per uvhub (throttle) */ static ssize_t uv_ptc_proc_write(struct file *file, const char __user *user, size_t count, loff_t *data) @@ -983,7 +1026,6 @@ static ssize_t uv_ptc_proc_write(struct file *file, const char __user *user, long input_arg; char optstr[64]; struct ptc_stats *stat; - struct bau_control *bcp; if (count == 0 || count > sizeof(optstr)) return -EINVAL; @@ -1059,29 +1101,158 @@ static ssize_t uv_ptc_proc_write(struct file *file, const char __user *user, "reset: number of ipi-style reset requests processed\n"); printk(KERN_DEBUG "rcan: number messages canceled by reset requests\n"); + printk(KERN_DEBUG + "disable: number times use of the BAU was disabled\n"); + printk(KERN_DEBUG + "enable: number times use of the BAU was re-enabled\n"); } else if (input_arg == -1) { for_each_present_cpu(cpu) { stat = &per_cpu(ptcstats, cpu); memset(stat, 0, sizeof(struct ptc_stats)); } - } else { - uv_bau_max_concurrent = input_arg; - bcp = &per_cpu(bau_control, smp_processor_id()); - if (uv_bau_max_concurrent < 1 || - uv_bau_max_concurrent > bcp->cpus_in_uvhub) { - printk(KERN_DEBUG - "Error: BAU max concurrent %d; %d is invalid\n", - bcp->max_concurrent, uv_bau_max_concurrent); - return -EINVAL; - } - printk(KERN_DEBUG "Set BAU max concurrent:%d\n", - uv_bau_max_concurrent); - for_each_present_cpu(cpu) { - bcp = &per_cpu(bau_control, cpu); - bcp->max_concurrent = uv_bau_max_concurrent; + } + + return count; +} + +static int local_atoi(const char *name) +{ + int val = 0; + + for (;; name++) { + switch (*name) { + case '0' ... '9': + val = 10*val+(*name-'0'); + break; + default: + return val; } } +} + +/* + * set the tunables + * 0 values reset them to defaults + */ +static ssize_t tunables_write(struct file *file, const char __user *user, + size_t count, loff_t *data) +{ + int cpu; + int cnt = 0; + int val; + char *p; + char *q; + char instr[64]; + struct bau_control *bcp; + + if (count == 0 || count > sizeof(instr)-1) + return -EINVAL; + if (copy_from_user(instr, user, count)) + return -EFAULT; + instr[count] = '\0'; + /* count the fields */ + p = instr + strspn(instr, WHITESPACE); + q = p; + for (; *p; p = q + strspn(q, WHITESPACE)) { + q = p + strcspn(p, WHITESPACE); + cnt++; + if (q == p) + break; + } + if (cnt != 9) { + printk(KERN_INFO "bau tunable error: should be 9 numbers\n"); + return -EINVAL; + } + + p = instr + strspn(instr, WHITESPACE); + q = p; + for (cnt = 0; *p; p = q + strspn(q, WHITESPACE), cnt++) { + q = p + strcspn(p, WHITESPACE); + val = local_atoi(p); + switch (cnt) { + case 0: + if (val == 0) { + max_bau_concurrent = MAX_BAU_CONCURRENT; + max_bau_concurrent_constant = + MAX_BAU_CONCURRENT; + continue; + } + bcp = &per_cpu(bau_control, smp_processor_id()); + if (val < 1 || val > bcp->cpus_in_uvhub) { + printk(KERN_DEBUG + "Error: BAU max concurrent %d is invalid\n", + val); + return -EINVAL; + } + max_bau_concurrent = val; + max_bau_concurrent_constant = val; + continue; + case 1: + if (val == 0) + plugged_delay = PLUGGED_DELAY; + else + plugged_delay = val; + continue; + case 2: + if (val == 0) + plugsb4reset = PLUGSB4RESET; + else + plugsb4reset = val; + continue; + case 3: + if (val == 0) + timeoutsb4reset = TIMEOUTSB4RESET; + else + timeoutsb4reset = val; + continue; + case 4: + if (val == 0) + ipi_reset_limit = IPI_RESET_LIMIT; + else + ipi_reset_limit = val; + continue; + case 5: + if (val == 0) + complete_threshold = COMPLETE_THRESHOLD; + else + complete_threshold = val; + continue; + case 6: + if (val == 0) + congested_response_us = CONGESTED_RESPONSE_US; + else + congested_response_us = val; + continue; + case 7: + if (val == 0) + congested_reps = CONGESTED_REPS; + else + congested_reps = val; + continue; + case 8: + if (val == 0) + congested_period = CONGESTED_PERIOD; + else + congested_period = val; + continue; + } + if (q == p) + break; + } + for_each_present_cpu(cpu) { + bcp = &per_cpu(bau_control, cpu); + bcp->max_bau_concurrent = max_bau_concurrent; + bcp->max_bau_concurrent_constant = max_bau_concurrent; + bcp->plugged_delay = plugged_delay; + bcp->plugsb4reset = plugsb4reset; + bcp->timeoutsb4reset = timeoutsb4reset; + bcp->ipi_reset_limit = ipi_reset_limit; + bcp->complete_threshold = complete_threshold; + bcp->congested_response_us = congested_response_us; + bcp->congested_reps = congested_reps; + bcp->congested_period = congested_period; + } return count; } @@ -1097,6 +1268,11 @@ static int uv_ptc_proc_open(struct inode *inode, struct file *file) return seq_open(file, &uv_ptc_seq_ops); } +static int tunables_open(struct inode *inode, struct file *file) +{ + return 0; +} + static const struct file_operations proc_uv_ptc_operations = { .open = uv_ptc_proc_open, .read = seq_read, @@ -1105,6 +1281,12 @@ static const struct file_operations proc_uv_ptc_operations = { .release = seq_release, }; +static const struct file_operations tunables_fops = { + .open = tunables_open, + .read = tunables_read, + .write = tunables_write, +}; + static int __init uv_ptc_init(void) { struct proc_dir_entry *proc_uv_ptc; @@ -1119,6 +1301,20 @@ static int __init uv_ptc_init(void) UV_PTC_BASENAME); return -EINVAL; } + + tunables_dir = debugfs_create_dir(UV_BAU_TUNABLES_DIR, NULL); + if (!tunables_dir) { + printk(KERN_ERR "unable to create debugfs directory %s\n", + UV_BAU_TUNABLES_DIR); + return -EINVAL; + } + tunables_file = debugfs_create_file(UV_BAU_TUNABLES_FILE, 0600, + tunables_dir, NULL, &tunables_fops); + if (!tunables_file) { + printk(KERN_ERR "unable to create debugfs file %s\n", + UV_BAU_TUNABLES_FILE); + return -EINVAL; + } return 0; } @@ -1259,15 +1455,45 @@ static void __init uv_init_uvhub(int uvhub, int vector) } /* + * We will set BAU_MISC_CONTROL with a timeout period. + * But the BIOS has set UVH_AGING_PRESCALE_SEL and UVH_TRANSACTION_TIMEOUT. + * So the destination timeout period has be be calculated from them. + */ +static int +calculate_destination_timeout(void) +{ + unsigned long mmr_image; + int mult1; + int mult2; + int index; + int base; + int ret; + unsigned long ts_ns; + + mult1 = UV_INTD_SOFT_ACK_TIMEOUT_PERIOD & BAU_MISC_CONTROL_MULT_MASK; + mmr_image = uv_read_local_mmr(UVH_AGING_PRESCALE_SEL); + index = (mmr_image >> BAU_URGENCY_7_SHIFT) & BAU_URGENCY_7_MASK; + mmr_image = uv_read_local_mmr(UVH_TRANSACTION_TIMEOUT); + mult2 = (mmr_image >> BAU_TRANS_SHIFT) & BAU_TRANS_MASK; + base = timeout_base_ns[index]; + ts_ns = base * mult1 * mult2; + ret = ts_ns / 1000; + return ret; +} + +/* * initialize the bau_control structure for each cpu */ -static void uv_init_per_cpu(int nuvhubs) +static void __init uv_init_per_cpu(int nuvhubs) { - int i, j, k; + int i; int cpu; int pnode; int uvhub; + int have_hmaster; short socket = 0; + unsigned short socket_mask; + unsigned char *uvhub_mask; struct bau_control *bcp; struct uvhub_desc *bdp; struct socket_desc *sdp; @@ -1278,7 +1504,7 @@ static void uv_init_per_cpu(int nuvhubs) short cpu_number[16]; }; struct uvhub_desc { - short num_sockets; + unsigned short socket_mask; short num_cpus; short uvhub; short pnode; @@ -1286,57 +1512,84 @@ static void uv_init_per_cpu(int nuvhubs) }; struct uvhub_desc *uvhub_descs; + timeout_us = calculate_destination_timeout(); + uvhub_descs = (struct uvhub_desc *) kmalloc(nuvhubs * sizeof(struct uvhub_desc), GFP_KERNEL); memset(uvhub_descs, 0, nuvhubs * sizeof(struct uvhub_desc)); + uvhub_mask = kzalloc((nuvhubs+7)/8, GFP_KERNEL); for_each_present_cpu(cpu) { bcp = &per_cpu(bau_control, cpu); memset(bcp, 0, sizeof(struct bau_control)); - spin_lock_init(&bcp->masks_lock); - bcp->max_concurrent = uv_bau_max_concurrent; pnode = uv_cpu_hub_info(cpu)->pnode; uvhub = uv_cpu_hub_info(cpu)->numa_blade_id; + *(uvhub_mask + (uvhub/8)) |= (1 << (uvhub%8)); bdp = &uvhub_descs[uvhub]; bdp->num_cpus++; bdp->uvhub = uvhub; bdp->pnode = pnode; - /* time interval to catch a hardware stay-busy bug */ - bcp->timeout_interval = millisec_2_cycles(3); - /* kludge: assume uv_hub.h is constant */ - socket = (cpu_physical_id(cpu)>>5)&1; - if (socket >= bdp->num_sockets) - bdp->num_sockets = socket+1; + /* kludge: 'assuming' one node per socket, and assuming that + disabling a socket just leaves a gap in node numbers */ + socket = (cpu_to_node(cpu) & 1); + bdp->socket_mask |= (1 << socket); sdp = &bdp->socket[socket]; sdp->cpu_number[sdp->num_cpus] = cpu; sdp->num_cpus++; } - socket = 0; - for_each_possible_blade(uvhub) { + for (uvhub = 0; uvhub < nuvhubs; uvhub++) { + if (!(*(uvhub_mask + (uvhub/8)) & (1 << (uvhub%8)))) + continue; + have_hmaster = 0; bdp = &uvhub_descs[uvhub]; - for (i = 0; i < bdp->num_sockets; i++) { - sdp = &bdp->socket[i]; - for (j = 0; j < sdp->num_cpus; j++) { - cpu = sdp->cpu_number[j]; + socket_mask = bdp->socket_mask; + socket = 0; + while (socket_mask) { + if (!(socket_mask & 1)) + goto nextsocket; + sdp = &bdp->socket[socket]; + for (i = 0; i < sdp->num_cpus; i++) { + cpu = sdp->cpu_number[i]; bcp = &per_cpu(bau_control, cpu); bcp->cpu = cpu; - if (j == 0) { + if (i == 0) { smaster = bcp; - if (i == 0) + if (!have_hmaster) { + have_hmaster++; hmaster = bcp; + } } bcp->cpus_in_uvhub = bdp->num_cpus; bcp->cpus_in_socket = sdp->num_cpus; bcp->socket_master = smaster; + bcp->uvhub = bdp->uvhub; bcp->uvhub_master = hmaster; - for (k = 0; k < DEST_Q_SIZE; k++) - bcp->socket_acknowledge_count[k] = 0; - bcp->uvhub_cpu = - uv_cpu_hub_info(cpu)->blade_processor_id; + bcp->uvhub_cpu = uv_cpu_hub_info(cpu)-> + blade_processor_id; } +nextsocket: socket++; + socket_mask = (socket_mask >> 1); } } kfree(uvhub_descs); + kfree(uvhub_mask); + for_each_present_cpu(cpu) { + bcp = &per_cpu(bau_control, cpu); + bcp->baudisabled = 0; + bcp->statp = &per_cpu(ptcstats, cpu); + /* time interval to catch a hardware stay-busy bug */ + bcp->timeout_interval = microsec_2_cycles(2*timeout_us); + bcp->max_bau_concurrent = max_bau_concurrent; + bcp->max_bau_concurrent_constant = max_bau_concurrent; + bcp->plugged_delay = plugged_delay; + bcp->plugsb4reset = plugsb4reset; + bcp->timeoutsb4reset = timeoutsb4reset; + bcp->ipi_reset_limit = ipi_reset_limit; + bcp->complete_threshold = complete_threshold; + bcp->congested_response_us = congested_response_us; + bcp->congested_reps = congested_reps; + bcp->congested_period = congested_period; + } } /* @@ -1361,10 +1614,11 @@ static int __init uv_bau_init(void) zalloc_cpumask_var_node(&per_cpu(uv_flush_tlb_mask, cur_cpu), GFP_KERNEL, cpu_to_node(cur_cpu)); - uv_bau_max_concurrent = MAX_BAU_CONCURRENT; uv_nshift = uv_hub_info->m_val; uv_mmask = (1UL << uv_hub_info->m_val) - 1; nuvhubs = uv_num_possible_blades(); + spin_lock_init(&disable_lock); + congested_cycles = microsec_2_cycles(congested_response_us); uv_init_per_cpu(nuvhubs); @@ -1383,15 +1637,19 @@ static int __init uv_bau_init(void) alloc_intr_gate(vector, uv_bau_message_intr1); for_each_possible_blade(uvhub) { - pnode = uv_blade_to_pnode(uvhub); - /* INIT the bau */ - uv_write_global_mmr64(pnode, UVH_LB_BAU_SB_ACTIVATION_CONTROL, - ((unsigned long)1 << 63)); - mmr = 1; /* should be 1 to broadcast to both sockets */ - uv_write_global_mmr64(pnode, UVH_BAU_DATA_BROADCAST, mmr); + if (uv_blade_nr_possible_cpus(uvhub)) { + pnode = uv_blade_to_pnode(uvhub); + /* INIT the bau */ + uv_write_global_mmr64(pnode, + UVH_LB_BAU_SB_ACTIVATION_CONTROL, + ((unsigned long)1 << 63)); + mmr = 1; /* should be 1 to broadcast to both sockets */ + uv_write_global_mmr64(pnode, UVH_BAU_DATA_BROADCAST, + mmr); + } } return 0; } core_initcall(uv_bau_init); -core_initcall(uv_ptc_init); +fs_initcall(uv_ptc_init); diff --git a/arch/x86/kernel/trampoline.c b/arch/x86/kernel/trampoline.c index c652ef62742..a874495b367 100644 --- a/arch/x86/kernel/trampoline.c +++ b/arch/x86/kernel/trampoline.c @@ -1,6 +1,7 @@ #include <linux/io.h> #include <asm/trampoline.h> +#include <asm/pgtable.h> #include <asm/e820.h> #if defined(CONFIG_X86_64) && defined(CONFIG_ACPI_SLEEP) @@ -37,3 +38,20 @@ unsigned long __trampinit setup_trampoline(void) memcpy(trampoline_base, trampoline_data, TRAMPOLINE_SIZE); return virt_to_phys(trampoline_base); } + +void __init setup_trampoline_page_table(void) +{ +#ifdef CONFIG_X86_32 + /* Copy kernel address range */ + clone_pgd_range(trampoline_pg_dir + KERNEL_PGD_BOUNDARY, + swapper_pg_dir + KERNEL_PGD_BOUNDARY, + min_t(unsigned long, KERNEL_PGD_PTRS, + KERNEL_PGD_BOUNDARY)); + + /* Initialize low mappings */ + clone_pgd_range(trampoline_pg_dir, + swapper_pg_dir + KERNEL_PGD_BOUNDARY, + min_t(unsigned long, KERNEL_PGD_PTRS, + KERNEL_PGD_BOUNDARY)); +#endif +} diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 725ef4d17cd..60788dee0f8 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -392,7 +392,13 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs) if (notify_die(DIE_NMI_IPI, "nmi_ipi", regs, reason, 2, SIGINT) == NOTIFY_STOP) return; + #ifdef CONFIG_X86_LOCAL_APIC + if (notify_die(DIE_NMI, "nmi", regs, reason, 2, SIGINT) + == NOTIFY_STOP) + return; + +#ifndef CONFIG_LOCKUP_DETECTOR /* * Ok, so this is none of the documented NMI sources, * so it must be the NMI watchdog. @@ -400,6 +406,7 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs) if (nmi_watchdog_tick(regs, reason)) return; if (!do_nmi_callback(regs, cpu)) +#endif /* !CONFIG_LOCKUP_DETECTOR */ unknown_nmi_error(reason, regs); #else unknown_nmi_error(reason, regs); diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index 9faf91ae184..d632934cb63 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -626,6 +626,44 @@ static void set_cyc2ns_scale(unsigned long cpu_khz, int cpu) local_irq_restore(flags); } +static unsigned long long cyc2ns_suspend; + +void save_sched_clock_state(void) +{ + if (!sched_clock_stable) + return; + + cyc2ns_suspend = sched_clock(); +} + +/* + * Even on processors with invariant TSC, TSC gets reset in some the + * ACPI system sleep states. And in some systems BIOS seem to reinit TSC to + * arbitrary value (still sync'd across cpu's) during resume from such sleep + * states. To cope up with this, recompute the cyc2ns_offset for each cpu so + * that sched_clock() continues from the point where it was left off during + * suspend. + */ +void restore_sched_clock_state(void) +{ + unsigned long long offset; + unsigned long flags; + int cpu; + + if (!sched_clock_stable) + return; + + local_irq_save(flags); + + get_cpu_var(cyc2ns_offset) = 0; + offset = cyc2ns_suspend - sched_clock(); + + for_each_possible_cpu(cpu) + per_cpu(cyc2ns_offset, cpu) = offset; + + local_irq_restore(flags); +} + #ifdef CONFIG_CPU_FREQ /* Frequency scaling support. Adjust the TSC based timer when the cpu frequency @@ -751,7 +789,6 @@ static struct clocksource clocksource_tsc = { .read = read_tsc, .resume = resume_tsc, .mask = CLOCKSOURCE_MASK(64), - .shift = 22, .flags = CLOCK_SOURCE_IS_CONTINUOUS | CLOCK_SOURCE_MUST_VERIFY, #ifdef CONFIG_X86_64 @@ -845,8 +882,6 @@ __cpuinit int unsynchronized_tsc(void) static void __init init_tsc_clocksource(void) { - clocksource_tsc.mult = clocksource_khz2mult(tsc_khz, - clocksource_tsc.shift); if (tsc_clocksource_reliable) clocksource_tsc.flags &= ~CLOCK_SOURCE_MUST_VERIFY; /* lower the rating if we already know its unstable: */ @@ -854,7 +889,7 @@ static void __init init_tsc_clocksource(void) clocksource_tsc.rating = 0; clocksource_tsc.flags &= ~CLOCK_SOURCE_IS_CONTINUOUS; } - clocksource_register(&clocksource_tsc); + clocksource_register_khz(&clocksource_tsc, tsc_khz); } #ifdef CONFIG_X86_64 diff --git a/arch/x86/kernel/verify_cpu_64.S b/arch/x86/kernel/verify_cpu_64.S index 45b6f8a975a..56a8c2a867d 100644 --- a/arch/x86/kernel/verify_cpu_64.S +++ b/arch/x86/kernel/verify_cpu_64.S @@ -31,6 +31,7 @@ */ #include <asm/cpufeature.h> +#include <asm/msr-index.h> verify_cpu: pushfl # Save caller passed flags @@ -88,7 +89,7 @@ verify_cpu_sse_test: je verify_cpu_sse_ok test %di,%di jz verify_cpu_no_longmode # only try to force SSE on AMD - movl $0xc0010015,%ecx # HWCR + movl $MSR_K7_HWCR,%ecx rdmsr btr $15,%eax # enable SSE wrmsr diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index 1c0c6ab9c60..dcbb28c4b69 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -73,8 +73,8 @@ void update_vsyscall_tz(void) write_sequnlock_irqrestore(&vsyscall_gtod_data.lock, flags); } -void update_vsyscall(struct timespec *wall_time, struct clocksource *clock, - u32 mult) +void update_vsyscall(struct timespec *wall_time, struct timespec *wtm, + struct clocksource *clock, u32 mult) { unsigned long flags; @@ -87,7 +87,7 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock, vsyscall_gtod_data.clock.shift = clock->shift; vsyscall_gtod_data.wall_time_sec = wall_time->tv_sec; vsyscall_gtod_data.wall_time_nsec = wall_time->tv_nsec; - vsyscall_gtod_data.wall_to_monotonic = wall_to_monotonic; + vsyscall_gtod_data.wall_to_monotonic = *wtm; vsyscall_gtod_data.wall_time_coarse = __current_kernel_time(); write_sequnlock_irqrestore(&vsyscall_gtod_data.lock, flags); } @@ -169,13 +169,18 @@ int __vsyscall(0) vgettimeofday(struct timeval * tv, struct timezone * tz) * unlikely */ time_t __vsyscall(1) vtime(time_t *t) { - struct timeval tv; + unsigned seq; time_t result; if (unlikely(!__vsyscall_gtod_data.sysctl_enabled)) return time_syscall(t); - vgettimeofday(&tv, NULL); - result = tv.tv_sec; + do { + seq = read_seqbegin(&__vsyscall_gtod_data.lock); + + result = __vsyscall_gtod_data.wall_time_sec; + + } while (read_seqretry(&__vsyscall_gtod_data.lock, seq)); + if (t) *t = result; return result; diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c index 37e68fc5e24..9c253bd65e2 100644 --- a/arch/x86/kernel/xsave.c +++ b/arch/x86/kernel/xsave.c @@ -16,11 +16,88 @@ */ u64 pcntxt_mask; +/* + * Represents init state for the supported extended state. + */ +static struct xsave_struct *init_xstate_buf; + struct _fpx_sw_bytes fx_sw_reserved; #ifdef CONFIG_IA32_EMULATION struct _fpx_sw_bytes fx_sw_reserved_ia32; #endif +static unsigned int *xstate_offsets, *xstate_sizes, xstate_features; + +/* + * If a processor implementation discern that a processor state component is + * in its initialized state it may modify the corresponding bit in the + * xsave_hdr.xstate_bv as '0', with out modifying the corresponding memory + * layout in the case of xsaveopt. While presenting the xstate information to + * the user, we always ensure that the memory layout of a feature will be in + * the init state if the corresponding header bit is zero. This is to ensure + * that the user doesn't see some stale state in the memory layout during + * signal handling, debugging etc. + */ +void __sanitize_i387_state(struct task_struct *tsk) +{ + u64 xstate_bv; + int feature_bit = 0x2; + struct i387_fxsave_struct *fx = &tsk->thread.fpu.state->fxsave; + + if (!fx) + return; + + BUG_ON(task_thread_info(tsk)->status & TS_USEDFPU); + + xstate_bv = tsk->thread.fpu.state->xsave.xsave_hdr.xstate_bv; + + /* + * None of the feature bits are in init state. So nothing else + * to do for us, as the memory layout is upto date. + */ + if ((xstate_bv & pcntxt_mask) == pcntxt_mask) + return; + + /* + * FP is in init state + */ + if (!(xstate_bv & XSTATE_FP)) { + fx->cwd = 0x37f; + fx->swd = 0; + fx->twd = 0; + fx->fop = 0; + fx->rip = 0; + fx->rdp = 0; + memset(&fx->st_space[0], 0, 128); + } + + /* + * SSE is in init state + */ + if (!(xstate_bv & XSTATE_SSE)) + memset(&fx->xmm_space[0], 0, 256); + + xstate_bv = (pcntxt_mask & ~xstate_bv) >> 2; + + /* + * Update all the other memory layouts for which the corresponding + * header bit is in the init state. + */ + while (xstate_bv) { + if (xstate_bv & 0x1) { + int offset = xstate_offsets[feature_bit]; + int size = xstate_sizes[feature_bit]; + + memcpy(((void *) fx) + offset, + ((void *) init_xstate_buf) + offset, + size); + } + + xstate_bv >>= 1; + feature_bit++; + } +} + /* * Check for the presence of extended state information in the * user fpstate pointer in the sigcontext. @@ -36,15 +113,14 @@ int check_for_xstate(struct i387_fxsave_struct __user *buf, err = __copy_from_user(fx_sw_user, &buf->sw_reserved[0], sizeof(struct _fpx_sw_bytes)); - if (err) - return err; + return -EFAULT; /* * First Magic check failed. */ if (fx_sw_user->magic1 != FP_XSTATE_MAGIC1) - return -1; + return -EINVAL; /* * Check for error scenarios. @@ -52,19 +128,21 @@ int check_for_xstate(struct i387_fxsave_struct __user *buf, if (fx_sw_user->xstate_size < min_xstate_size || fx_sw_user->xstate_size > xstate_size || fx_sw_user->xstate_size > fx_sw_user->extended_size) - return -1; + return -EINVAL; err = __get_user(magic2, (__u32 *) (((void *)fpstate) + fx_sw_user->extended_size - FP_XSTATE_MAGIC2_SIZE)); + if (err) + return err; /* * Check for the presence of second magic word at the end of memory * layout. This detects the case where the user just copied the legacy * fpstate layout with out copying the extended state information * in the memory layout. */ - if (err || magic2 != FP_XSTATE_MAGIC2) - return -1; + if (magic2 != FP_XSTATE_MAGIC2) + return -EFAULT; return 0; } @@ -91,14 +169,6 @@ int save_i387_xstate(void __user *buf) return 0; if (task_thread_info(tsk)->status & TS_USEDFPU) { - /* - * Start with clearing the user buffer. This will present a - * clean context for the bytes not touched by the fxsave/xsave. - */ - err = __clear_user(buf, sig_xstate_size); - if (err) - return err; - if (use_xsave()) err = xsave_user(buf); else @@ -109,6 +179,7 @@ int save_i387_xstate(void __user *buf) task_thread_info(tsk)->status &= ~TS_USEDFPU; stts(); } else { + sanitize_i387_state(tsk); if (__copy_to_user(buf, &tsk->thread.fpu.state->fxsave, xstate_size)) return -1; @@ -184,8 +255,8 @@ static int restore_user_xstate(void __user *buf) * init the state skipped by the user. */ mask = pcntxt_mask & ~mask; - - xrstor_state(init_xstate_buf, mask); + if (unlikely(mask)) + xrstor_state(init_xstate_buf, mask); return 0; @@ -274,11 +345,6 @@ static void prepare_fx_sw_frame(void) #endif } -/* - * Represents init state for the supported extended state. - */ -struct xsave_struct *init_xstate_buf; - #ifdef CONFIG_X86_64 unsigned int sig_xstate_size = sizeof(struct _fpstate); #endif @@ -286,37 +352,77 @@ unsigned int sig_xstate_size = sizeof(struct _fpstate); /* * Enable the extended processor state save/restore feature */ -void __cpuinit xsave_init(void) +static inline void xstate_enable(void) { - if (!cpu_has_xsave) - return; - set_in_cr4(X86_CR4_OSXSAVE); - - /* - * Enable all the features that the HW is capable of - * and the Linux kernel is aware of. - */ xsetbv(XCR_XFEATURE_ENABLED_MASK, pcntxt_mask); } /* + * Record the offsets and sizes of different state managed by the xsave + * memory layout. + */ +static void __init setup_xstate_features(void) +{ + int eax, ebx, ecx, edx, leaf = 0x2; + + xstate_features = fls64(pcntxt_mask); + xstate_offsets = alloc_bootmem(xstate_features * sizeof(int)); + xstate_sizes = alloc_bootmem(xstate_features * sizeof(int)); + + do { + cpuid_count(XSTATE_CPUID, leaf, &eax, &ebx, &ecx, &edx); + + if (eax == 0) + break; + + xstate_offsets[leaf] = ebx; + xstate_sizes[leaf] = eax; + + leaf++; + } while (1); +} + +/* * setup the xstate image representing the init state */ static void __init setup_xstate_init(void) { + setup_xstate_features(); + + /* + * Setup init_xstate_buf to represent the init state of + * all the features managed by the xsave + */ init_xstate_buf = alloc_bootmem(xstate_size); init_xstate_buf->i387.mxcsr = MXCSR_DEFAULT; + + clts(); + /* + * Init all the features state with header_bv being 0x0 + */ + xrstor_state(init_xstate_buf, -1); + /* + * Dump the init state again. This is to identify the init state + * of any feature which is not represented by all zero's. + */ + xsave_state(init_xstate_buf, -1); + stts(); } /* * Enable and initialize the xsave feature. */ -void __ref xsave_cntxt_init(void) +static void __init xstate_enable_boot_cpu(void) { unsigned int eax, ebx, ecx, edx; - cpuid_count(0xd, 0, &eax, &ebx, &ecx, &edx); + if (boot_cpu_data.cpuid_level < XSTATE_CPUID) { + WARN(1, KERN_ERR "XSTATE_CPUID missing\n"); + return; + } + + cpuid_count(XSTATE_CPUID, 0, &eax, &ebx, &ecx, &edx); pcntxt_mask = eax + ((u64)edx << 32); if ((pcntxt_mask & XSTATE_FPSSE) != XSTATE_FPSSE) { @@ -329,12 +435,13 @@ void __ref xsave_cntxt_init(void) * Support only the state known to OS. */ pcntxt_mask = pcntxt_mask & XCNTXT_MASK; - xsave_init(); + + xstate_enable(); /* * Recompute the context size for enabled features */ - cpuid_count(0xd, 0, &eax, &ebx, &ecx, &edx); + cpuid_count(XSTATE_CPUID, 0, &eax, &ebx, &ecx, &edx); xstate_size = ebx; update_regset_xstate_info(xstate_size, pcntxt_mask); @@ -346,3 +453,23 @@ void __ref xsave_cntxt_init(void) "cntxt size 0x%x\n", pcntxt_mask, xstate_size); } + +/* + * For the very first instance, this calls xstate_enable_boot_cpu(); + * for all subsequent instances, this calls xstate_enable(). + * + * This is somewhat obfuscated due to the lack of powerful enough + * overrides for the section checks. + */ +void __cpuinit xsave_init(void) +{ + static __refdata void (*next_func)(void) = xstate_enable_boot_cpu; + void (*this_func)(void); + + if (!cpu_has_xsave) + return; + + this_func = next_func; + next_func = xstate_enable; + this_func(); +} diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 0fd6378981f..ddeb2314b52 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -697,6 +697,7 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags) pit->wq = create_singlethread_workqueue("kvm-pit-wq"); if (!pit->wq) { mutex_unlock(&pit->pit_state.lock); + kvm_free_irq_source_id(kvm, pit->irq_source_id); kfree(pit); return NULL; } @@ -742,7 +743,7 @@ fail: kvm_unregister_irq_mask_notifier(kvm, 0, &pit->mask_notifier); kvm_unregister_irq_ack_notifier(kvm, &pit_state->irq_ack_notifier); kvm_free_irq_source_id(kvm, pit->irq_source_id); - + destroy_workqueue(pit->wq); kfree(pit); return NULL; } diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 0dcc95e0987..311f6dad895 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -281,11 +281,7 @@ static gfn_t pse36_gfn_delta(u32 gpte) static void __set_spte(u64 *sptep, u64 spte) { -#ifdef CONFIG_X86_64 - set_64bit((unsigned long *)sptep, spte); -#else - set_64bit((unsigned long long *)sptep, spte); -#endif + set_64bit(sptep, spte); } static u64 __xchg_spte(u64 *sptep, u64 new_spte) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 56c9b6bd765..bc5b9b8d4a3 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -131,7 +131,7 @@ static struct svm_direct_access_msrs { u32 index; /* Index of the MSR */ bool always; /* True if intercept is always on */ } direct_access_msrs[] = { - { .index = MSR_K6_STAR, .always = true }, + { .index = MSR_STAR, .always = true }, { .index = MSR_IA32_SYSENTER_CS, .always = true }, #ifdef CONFIG_X86_64 { .index = MSR_GS_BASE, .always = true }, @@ -384,8 +384,7 @@ static void svm_init_erratum_383(void) int err; u64 val; - /* Only Fam10h is affected */ - if (boot_cpu_data.x86 != 0x10) + if (!cpu_has_amd_erratum(amd_erratum_383)) return; /* Use _safe variants to not break nested virtualization */ @@ -2433,7 +2432,7 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data) *data = tsc_offset + native_read_tsc(); break; } - case MSR_K6_STAR: + case MSR_STAR: *data = svm->vmcb->save.star; break; #ifdef CONFIG_X86_64 @@ -2557,7 +2556,7 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data) break; } - case MSR_K6_STAR: + case MSR_STAR: svm->vmcb->save.star = data; break; #ifdef CONFIG_X86_64 diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 27a0222c294..49b25eee25a 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -240,14 +240,14 @@ static u64 host_efer; static void ept_save_pdptrs(struct kvm_vcpu *vcpu); /* - * Keep MSR_K6_STAR at the end, as setup_msrs() will try to optimize it + * Keep MSR_STAR at the end, as setup_msrs() will try to optimize it * away by decrementing the array size. */ static const u32 vmx_msr_index[] = { #ifdef CONFIG_X86_64 MSR_SYSCALL_MASK, MSR_LSTAR, MSR_CSTAR, #endif - MSR_EFER, MSR_TSC_AUX, MSR_K6_STAR, + MSR_EFER, MSR_TSC_AUX, MSR_STAR, }; #define NR_VMX_MSR ARRAY_SIZE(vmx_msr_index) @@ -1117,10 +1117,10 @@ static void setup_msrs(struct vcpu_vmx *vmx) if (index >= 0 && vmx->rdtscp_enabled) move_msr_up(vmx, index, save_nmsrs++); /* - * MSR_K6_STAR is only needed on long mode guests, and only + * MSR_STAR is only needed on long mode guests, and only * if efer.sce is enabled. */ - index = __find_msr_index(vmx, MSR_K6_STAR); + index = __find_msr_index(vmx, MSR_STAR); if ((index >= 0) && (vmx->vcpu.arch.efer & EFER_SCE)) move_msr_up(vmx, index, save_nmsrs++); } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 97aab036dab..3a09c625d52 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -733,7 +733,7 @@ static u32 msrs_to_save[] = { HV_X64_MSR_GUEST_OS_ID, HV_X64_MSR_HYPERCALL, HV_X64_MSR_APIC_ASSIST_PAGE, MSR_IA32_SYSENTER_CS, MSR_IA32_SYSENTER_ESP, MSR_IA32_SYSENTER_EIP, - MSR_K6_STAR, + MSR_STAR, #ifdef CONFIG_X86_64 MSR_CSTAR, MSR_KERNEL_GS_BASE, MSR_SYSCALL_MASK, MSR_LSTAR, #endif @@ -2387,7 +2387,7 @@ static void kvm_vcpu_ioctl_x86_get_xsave(struct kvm_vcpu *vcpu, if (cpu_has_xsave) memcpy(guest_xsave->region, &vcpu->arch.guest_fpu.state->xsave, - sizeof(struct xsave_struct)); + xstate_size); else { memcpy(guest_xsave->region, &vcpu->arch.guest_fpu.state->fxsave, @@ -2405,7 +2405,7 @@ static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu, if (cpu_has_xsave) memcpy(&vcpu->arch.guest_fpu.state->xsave, - guest_xsave->region, sizeof(struct xsave_struct)); + guest_xsave->region, xstate_size); else { if (xstate_bv & ~XSTATE_FPSSE) return -EINVAL; diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index f871e04b696..e10cf070ede 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -30,6 +30,7 @@ ifeq ($(CONFIG_X86_32),y) lib-y += checksum_32.o lib-y += strstr_32.o lib-y += semaphore_32.o string_32.o + lib-y += cmpxchg.o ifneq ($(CONFIG_X86_CMPXCHG64),y) lib-y += cmpxchg8b_emu.o atomic64_386_32.o endif diff --git a/arch/x86/lib/atomic64_386_32.S b/arch/x86/lib/atomic64_386_32.S index 4a5979aa688..2cda60a06e6 100644 --- a/arch/x86/lib/atomic64_386_32.S +++ b/arch/x86/lib/atomic64_386_32.S @@ -25,150 +25,172 @@ CFI_ADJUST_CFA_OFFSET -4 .endm -.macro BEGIN func reg -$v = \reg - -ENTRY(atomic64_\func\()_386) - CFI_STARTPROC - LOCK $v - -.macro RETURN - UNLOCK $v +#define BEGIN(op) \ +.macro endp; \ + CFI_ENDPROC; \ +ENDPROC(atomic64_##op##_386); \ +.purgem endp; \ +.endm; \ +ENTRY(atomic64_##op##_386); \ + CFI_STARTPROC; \ + LOCK v; + +#define ENDP endp + +#define RET \ + UNLOCK v; \ ret -.endm - -.macro END_ - CFI_ENDPROC -ENDPROC(atomic64_\func\()_386) -.purgem RETURN -.purgem END_ -.purgem END -.endm - -.macro END -RETURN -END_ -.endm -.endm -BEGIN read %ecx - movl ($v), %eax - movl 4($v), %edx -END - -BEGIN set %esi - movl %ebx, ($v) - movl %ecx, 4($v) -END - -BEGIN xchg %esi - movl ($v), %eax - movl 4($v), %edx - movl %ebx, ($v) - movl %ecx, 4($v) -END - -BEGIN add %ecx - addl %eax, ($v) - adcl %edx, 4($v) -END - -BEGIN add_return %ecx - addl ($v), %eax - adcl 4($v), %edx - movl %eax, ($v) - movl %edx, 4($v) -END - -BEGIN sub %ecx - subl %eax, ($v) - sbbl %edx, 4($v) -END - -BEGIN sub_return %ecx +#define RET_ENDP \ + RET; \ + ENDP + +#define v %ecx +BEGIN(read) + movl (v), %eax + movl 4(v), %edx +RET_ENDP +#undef v + +#define v %esi +BEGIN(set) + movl %ebx, (v) + movl %ecx, 4(v) +RET_ENDP +#undef v + +#define v %esi +BEGIN(xchg) + movl (v), %eax + movl 4(v), %edx + movl %ebx, (v) + movl %ecx, 4(v) +RET_ENDP +#undef v + +#define v %ecx +BEGIN(add) + addl %eax, (v) + adcl %edx, 4(v) +RET_ENDP +#undef v + +#define v %ecx +BEGIN(add_return) + addl (v), %eax + adcl 4(v), %edx + movl %eax, (v) + movl %edx, 4(v) +RET_ENDP +#undef v + +#define v %ecx +BEGIN(sub) + subl %eax, (v) + sbbl %edx, 4(v) +RET_ENDP +#undef v + +#define v %ecx +BEGIN(sub_return) negl %edx negl %eax sbbl $0, %edx - addl ($v), %eax - adcl 4($v), %edx - movl %eax, ($v) - movl %edx, 4($v) -END - -BEGIN inc %esi - addl $1, ($v) - adcl $0, 4($v) -END - -BEGIN inc_return %esi - movl ($v), %eax - movl 4($v), %edx + addl (v), %eax + adcl 4(v), %edx + movl %eax, (v) + movl %edx, 4(v) +RET_ENDP +#undef v + +#define v %esi +BEGIN(inc) + addl $1, (v) + adcl $0, 4(v) +RET_ENDP +#undef v + +#define v %esi +BEGIN(inc_return) + movl (v), %eax + movl 4(v), %edx addl $1, %eax adcl $0, %edx - movl %eax, ($v) - movl %edx, 4($v) -END - -BEGIN dec %esi - subl $1, ($v) - sbbl $0, 4($v) -END - -BEGIN dec_return %esi - movl ($v), %eax - movl 4($v), %edx + movl %eax, (v) + movl %edx, 4(v) +RET_ENDP +#undef v + +#define v %esi +BEGIN(dec) + subl $1, (v) + sbbl $0, 4(v) +RET_ENDP +#undef v + +#define v %esi +BEGIN(dec_return) + movl (v), %eax + movl 4(v), %edx subl $1, %eax sbbl $0, %edx - movl %eax, ($v) - movl %edx, 4($v) -END + movl %eax, (v) + movl %edx, 4(v) +RET_ENDP +#undef v -BEGIN add_unless %ecx +#define v %ecx +BEGIN(add_unless) addl %eax, %esi adcl %edx, %edi - addl ($v), %eax - adcl 4($v), %edx + addl (v), %eax + adcl 4(v), %edx cmpl %eax, %esi je 3f 1: - movl %eax, ($v) - movl %edx, 4($v) + movl %eax, (v) + movl %edx, 4(v) movl $1, %eax 2: -RETURN + RET 3: cmpl %edx, %edi jne 1b xorl %eax, %eax jmp 2b -END_ +ENDP +#undef v -BEGIN inc_not_zero %esi - movl ($v), %eax - movl 4($v), %edx +#define v %esi +BEGIN(inc_not_zero) + movl (v), %eax + movl 4(v), %edx testl %eax, %eax je 3f 1: addl $1, %eax adcl $0, %edx - movl %eax, ($v) - movl %edx, 4($v) + movl %eax, (v) + movl %edx, 4(v) movl $1, %eax 2: -RETURN + RET 3: testl %edx, %edx jne 1b jmp 2b -END_ +ENDP +#undef v -BEGIN dec_if_positive %esi - movl ($v), %eax - movl 4($v), %edx +#define v %esi +BEGIN(dec_if_positive) + movl (v), %eax + movl 4(v), %edx subl $1, %eax sbbl $0, %edx js 1f - movl %eax, ($v) - movl %edx, 4($v) + movl %eax, (v) + movl %edx, 4(v) 1: -END +RET_ENDP +#undef v diff --git a/arch/x86/lib/clear_page_64.S b/arch/x86/lib/clear_page_64.S index ebeafcce04a..aa4326bfb24 100644 --- a/arch/x86/lib/clear_page_64.S +++ b/arch/x86/lib/clear_page_64.S @@ -52,7 +52,7 @@ ENDPROC(clear_page) .align 8 .quad clear_page .quad 1b - .byte X86_FEATURE_REP_GOOD + .word X86_FEATURE_REP_GOOD .byte .Lclear_page_end - clear_page .byte 2b - 1b .previous diff --git a/arch/x86/kernel/cpu/cmpxchg.c b/arch/x86/lib/cmpxchg.c index 2056ccf572c..5d619f6df3e 100644 --- a/arch/x86/kernel/cpu/cmpxchg.c +++ b/arch/x86/lib/cmpxchg.c @@ -52,21 +52,3 @@ unsigned long cmpxchg_386_u32(volatile void *ptr, u32 old, u32 new) } EXPORT_SYMBOL(cmpxchg_386_u32); #endif - -#ifndef CONFIG_X86_CMPXCHG64 -unsigned long long cmpxchg_486_u64(volatile void *ptr, u64 old, u64 new) -{ - u64 prev; - unsigned long flags; - - /* Poor man's cmpxchg8b for 386 and 486. Unsuitable for SMP */ - local_irq_save(flags); - prev = *(u64 *)ptr; - if (prev == old) - *(u64 *)ptr = new; - local_irq_restore(flags); - return prev; -} -EXPORT_SYMBOL(cmpxchg_486_u64); -#endif - diff --git a/arch/x86/lib/copy_page_64.S b/arch/x86/lib/copy_page_64.S index 727a5d46d2f..6fec2d1cebe 100644 --- a/arch/x86/lib/copy_page_64.S +++ b/arch/x86/lib/copy_page_64.S @@ -113,7 +113,7 @@ ENDPROC(copy_page) .align 8 .quad copy_page .quad 1b - .byte X86_FEATURE_REP_GOOD + .word X86_FEATURE_REP_GOOD .byte .Lcopy_page_end - copy_page .byte 2b - 1b .previous diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S index 71100c98e33..a460158b5ac 100644 --- a/arch/x86/lib/copy_user_64.S +++ b/arch/x86/lib/copy_user_64.S @@ -29,7 +29,7 @@ .align 8 .quad 0b .quad 2b - .byte \feature /* when feature is set */ + .word \feature /* when feature is set */ .byte 5 .byte 5 .previous diff --git a/arch/x86/lib/memcpy_64.S b/arch/x86/lib/memcpy_64.S index f82e884928a..bcbcd1e0f7d 100644 --- a/arch/x86/lib/memcpy_64.S +++ b/arch/x86/lib/memcpy_64.S @@ -131,7 +131,7 @@ ENDPROC(__memcpy) .align 8 .quad memcpy .quad .Lmemcpy_c - .byte X86_FEATURE_REP_GOOD + .word X86_FEATURE_REP_GOOD /* * Replace only beginning, memcpy is used to apply alternatives, diff --git a/arch/x86/lib/memset_64.S b/arch/x86/lib/memset_64.S index e88d3b81644..09d34426965 100644 --- a/arch/x86/lib/memset_64.S +++ b/arch/x86/lib/memset_64.S @@ -121,7 +121,7 @@ ENDPROC(__memset) .align 8 .quad memset .quad .Lmemset_c - .byte X86_FEATURE_REP_GOOD + .word X86_FEATURE_REP_GOOD .byte .Lfinal - memset .byte .Lmemset_e - .Lmemset_c .previous diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c index a725b7f760a..0002a3a3308 100644 --- a/arch/x86/mm/dump_pagetables.c +++ b/arch/x86/mm/dump_pagetables.c @@ -37,6 +37,28 @@ struct addr_marker { const char *name; }; +/* indices for address_markers; keep sync'd w/ address_markers below */ +enum address_markers_idx { + USER_SPACE_NR = 0, +#ifdef CONFIG_X86_64 + KERNEL_SPACE_NR, + LOW_KERNEL_NR, + VMALLOC_START_NR, + VMEMMAP_START_NR, + HIGH_KERNEL_NR, + MODULES_VADDR_NR, + MODULES_END_NR, +#else + KERNEL_SPACE_NR, + VMALLOC_START_NR, + VMALLOC_END_NR, +# ifdef CONFIG_HIGHMEM + PKMAP_BASE_NR, +# endif + FIXADDR_START_NR, +#endif +}; + /* Address space markers hints */ static struct addr_marker address_markers[] = { { 0, "User Space" }, @@ -331,14 +353,12 @@ static int pt_dump_init(void) #ifdef CONFIG_X86_32 /* Not a compile-time constant on x86-32 */ - address_markers[2].start_address = VMALLOC_START; - address_markers[3].start_address = VMALLOC_END; + address_markers[VMALLOC_START_NR].start_address = VMALLOC_START; + address_markers[VMALLOC_END_NR].start_address = VMALLOC_END; # ifdef CONFIG_HIGHMEM - address_markers[4].start_address = PKMAP_BASE; - address_markers[5].start_address = FIXADDR_START; -# else - address_markers[4].start_address = FIXADDR_START; + address_markers[PKMAP_BASE_NR].start_address = PKMAP_BASE; # endif + address_markers[FIXADDR_START_NR].start_address = FIXADDR_START; #endif pe = debugfs_create_file("kernel_page_tables", 0600, NULL, NULL, diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index f62777940df..4c4508e8a20 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -802,8 +802,10 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address, up_read(&mm->mmap_sem); /* Kernel mode? Handle exceptions or die: */ - if (!(error_code & PF_USER)) + if (!(error_code & PF_USER)) { no_context(regs, error_code, address); + return; + } /* User-space => ok to do another page fault: */ if (is_prefetch(regs, error_code, address)) diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c index 63a6ba66cbe..5e8fa12ef86 100644 --- a/arch/x86/mm/highmem_32.c +++ b/arch/x86/mm/highmem_32.c @@ -53,7 +53,7 @@ void *kmap_atomic(struct page *page, enum km_type type) return kmap_atomic_prot(page, type, kmap_prot); } -void kunmap_atomic(void *kvaddr, enum km_type type) +void kunmap_atomic_notypecheck(void *kvaddr, enum km_type type) { unsigned long vaddr = (unsigned long) kvaddr & PAGE_MASK; enum fixed_addresses idx = type + KM_TYPE_NR*smp_processor_id(); @@ -102,7 +102,7 @@ struct page *kmap_atomic_to_page(void *ptr) EXPORT_SYMBOL(kmap); EXPORT_SYMBOL(kunmap); EXPORT_SYMBOL(kmap_atomic); -EXPORT_SYMBOL(kunmap_atomic); +EXPORT_SYMBOL(kunmap_atomic_notypecheck); EXPORT_SYMBOL(kmap_atomic_prot); EXPORT_SYMBOL(kmap_atomic_to_page); diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 12e4d2d3c11..3ba6e0608c5 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -62,8 +62,8 @@ int ioremap_change_attr(unsigned long vaddr, unsigned long size, static void __iomem *__ioremap_caller(resource_size_t phys_addr, unsigned long size, unsigned long prot_val, void *caller) { - unsigned long pfn, offset, vaddr; - resource_size_t last_addr; + unsigned long offset, vaddr; + resource_size_t pfn, last_pfn, last_addr; const resource_size_t unaligned_phys_addr = phys_addr; const unsigned long unaligned_size = size; struct vm_struct *area; @@ -100,10 +100,8 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, /* * Don't allow anybody to remap normal RAM that we're using.. */ - for (pfn = phys_addr >> PAGE_SHIFT; - (pfn << PAGE_SHIFT) < (last_addr & PAGE_MASK); - pfn++) { - + last_pfn = last_addr >> PAGE_SHIFT; + for (pfn = phys_addr >> PAGE_SHIFT; pfn <= last_pfn; pfn++) { int is_ram = page_is_ram(pfn); if (is_ram && pfn_valid(pfn) && !PageReserved(pfn_to_page(pfn))) @@ -115,7 +113,7 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, * Mappings have to be page-aligned */ offset = phys_addr & ~PAGE_MASK; - phys_addr &= PAGE_MASK; + phys_addr &= PHYSICAL_PAGE_MASK; size = PAGE_ALIGN(last_addr+1) - phys_addr; retval = reserve_memtype(phys_addr, (u64)phys_addr + size, @@ -613,7 +611,7 @@ void __init early_iounmap(void __iomem *addr, unsigned long size) return; } offset = virt_addr & ~PAGE_MASK; - nrpages = PAGE_ALIGN(offset + size - 1) >> PAGE_SHIFT; + nrpages = PAGE_ALIGN(offset + size) >> PAGE_SHIFT; idx = FIX_BTMAP_BEGIN - NR_FIX_BTMAPS*slot; while (nrpages > 0) { diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c index 5d0e67fff1a..e5d5e2ce9f7 100644 --- a/arch/x86/mm/kmmio.c +++ b/arch/x86/mm/kmmio.c @@ -45,6 +45,8 @@ struct kmmio_fault_page { * Protected by kmmio_lock, when linked into kmmio_page_table. */ int count; + + bool scheduled_for_release; }; struct kmmio_delayed_release { @@ -398,8 +400,11 @@ static void release_kmmio_fault_page(unsigned long page, BUG_ON(f->count < 0); if (!f->count) { disarm_kmmio_fault_page(f); - f->release_next = *release_list; - *release_list = f; + if (!f->scheduled_for_release) { + f->release_next = *release_list; + *release_list = f; + f->scheduled_for_release = true; + } } } @@ -471,8 +476,10 @@ static void remove_kmmio_fault_pages(struct rcu_head *head) prevp = &f->release_next; } else { *prevp = f->release_next; + f->release_next = NULL; + f->scheduled_for_release = false; } - f = f->release_next; + f = *prevp; } spin_unlock_irqrestore(&kmmio_lock, flags); @@ -510,6 +517,9 @@ void unregister_kmmio_probe(struct kmmio_probe *p) kmmio_count--; spin_unlock_irqrestore(&kmmio_lock, flags); + if (!release_list) + return; + drelease = kmalloc(sizeof(*drelease), GFP_ATOMIC); if (!drelease) { pr_crit("leaking kmmio_fault_page objects.\n"); diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index 64121a18b8c..f6ff57b7efa 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -158,7 +158,7 @@ static unsigned long pat_x_mtrr_type(u64 start, u64 end, unsigned long req_type) return req_type; } -static int pat_pagerange_is_ram(unsigned long start, unsigned long end) +static int pat_pagerange_is_ram(resource_size_t start, resource_size_t end) { int ram_page = 0, not_rampage = 0; unsigned long page_nr; diff --git a/arch/x86/mm/pf_in.c b/arch/x86/mm/pf_in.c index 308e32570d8..38e6d174c49 100644 --- a/arch/x86/mm/pf_in.c +++ b/arch/x86/mm/pf_in.c @@ -40,16 +40,16 @@ static unsigned char prefix_codes[] = { static unsigned int reg_rop[] = { 0x8A, 0x8B, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F }; -static unsigned int reg_wop[] = { 0x88, 0x89 }; +static unsigned int reg_wop[] = { 0x88, 0x89, 0xAA, 0xAB }; static unsigned int imm_wop[] = { 0xC6, 0xC7 }; /* IA32 Manual 3, 3-432*/ -static unsigned int rw8[] = { 0x88, 0x8A, 0xC6 }; +static unsigned int rw8[] = { 0x88, 0x8A, 0xC6, 0xAA }; static unsigned int rw32[] = { - 0x89, 0x8B, 0xC7, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F + 0x89, 0x8B, 0xC7, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F, 0xAB }; -static unsigned int mw8[] = { 0x88, 0x8A, 0xC6, 0xB60F, 0xBE0F }; +static unsigned int mw8[] = { 0x88, 0x8A, 0xC6, 0xB60F, 0xBE0F, 0xAA }; static unsigned int mw16[] = { 0xB70F, 0xBF0F }; -static unsigned int mw32[] = { 0x89, 0x8B, 0xC7 }; +static unsigned int mw32[] = { 0x89, 0x8B, 0xC7, 0xAB }; static unsigned int mw64[] = {}; #else /* not __i386__ */ static unsigned char prefix_codes[] = { @@ -63,20 +63,20 @@ static unsigned char prefix_codes[] = { static unsigned int reg_rop[] = { 0x8A, 0x8B, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F }; -static unsigned int reg_wop[] = { 0x88, 0x89 }; +static unsigned int reg_wop[] = { 0x88, 0x89, 0xAA, 0xAB }; static unsigned int imm_wop[] = { 0xC6, 0xC7 }; -static unsigned int rw8[] = { 0xC6, 0x88, 0x8A }; +static unsigned int rw8[] = { 0xC6, 0x88, 0x8A, 0xAA }; static unsigned int rw32[] = { - 0xC7, 0x89, 0x8B, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F + 0xC7, 0x89, 0x8B, 0xB60F, 0xB70F, 0xBE0F, 0xBF0F, 0xAB }; /* 8 bit only */ -static unsigned int mw8[] = { 0xC6, 0x88, 0x8A, 0xB60F, 0xBE0F }; +static unsigned int mw8[] = { 0xC6, 0x88, 0x8A, 0xB60F, 0xBE0F, 0xAA }; /* 16 bit only */ static unsigned int mw16[] = { 0xB70F, 0xBF0F }; /* 16 or 32 bit */ static unsigned int mw32[] = { 0xC7 }; /* 16, 32 or 64 bit */ -static unsigned int mw64[] = { 0x89, 0x8B }; +static unsigned int mw64[] = { 0x89, 0x8B, 0xAB }; #endif /* not __i386__ */ struct prefix_bits { @@ -410,7 +410,6 @@ static unsigned long *get_reg_w32(int no, struct pt_regs *regs) unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs) { unsigned int opcode; - unsigned char mod_rm; int reg; unsigned char *p; struct prefix_bits prf; @@ -437,8 +436,13 @@ unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs) goto err; do_work: - mod_rm = *p; - reg = ((mod_rm >> 3) & 0x7) | (prf.rexr << 3); + /* for STOS, source register is fixed */ + if (opcode == 0xAA || opcode == 0xAB) { + reg = arg_AX; + } else { + unsigned char mod_rm = *p; + reg = ((mod_rm >> 3) & 0x7) | (prf.rexr << 3); + } switch (get_ins_reg_width(ins_addr)) { case 1: return *get_reg_w8(reg, prf.rex, regs); diff --git a/arch/x86/mm/testmmiotrace.c b/arch/x86/mm/testmmiotrace.c index 8565d944f7c..38868adf07e 100644 --- a/arch/x86/mm/testmmiotrace.c +++ b/arch/x86/mm/testmmiotrace.c @@ -90,6 +90,27 @@ static void do_test(unsigned long size) iounmap(p); } +/* + * Tests how mmiotrace behaves in face of multiple ioremap / iounmaps in + * a short time. We had a bug in deferred freeing procedure which tried + * to free this region multiple times (ioremap can reuse the same address + * for many mappings). + */ +static void do_test_bulk_ioremapping(void) +{ + void __iomem *p; + int i; + + for (i = 0; i < 10; ++i) { + p = ioremap_nocache(mmio_address, PAGE_SIZE); + if (p) + iounmap(p); + } + + /* Force freeing. If it will crash we will know why. */ + synchronize_rcu(); +} + static int __init init(void) { unsigned long size = (read_far) ? (8 << 20) : (16 << 10); @@ -104,6 +125,7 @@ static int __init init(void) "and writing 16 kB of rubbish in there.\n", size >> 10, mmio_address); do_test(size); + do_test_bulk_ioremapping(); pr_info("All done.\n"); return 0; } diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 426f3a1a64d..c03f14ab666 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -278,11 +278,9 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long va) static void do_flush_tlb_all(void *info) { - unsigned long cpu = smp_processor_id(); - __flush_tlb_all(); if (percpu_read(cpu_tlbstate.state) == TLBSTATE_LAZY) - leave_mm(cpu); + leave_mm(smp_processor_id()); } void flush_tlb_all(void) diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index b28d2f1253b..f6b48f6c595 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -634,6 +634,18 @@ static int __init ppro_init(char **cpu_type) if (force_arch_perfmon && cpu_has_arch_perfmon) return 0; + /* + * Documentation on identifying Intel processors by CPU family + * and model can be found in the Intel Software Developer's + * Manuals (SDM): + * + * http://www.intel.com/products/processor/manuals/ + * + * As of May 2010 the documentation for this was in the: + * "Intel 64 and IA-32 Architectures Software Developer's + * Manual Volume 3B: System Programming Guide", "Table B-1 + * CPUID Signature Values of DisplayFamily_DisplayModel". + */ switch (cpu_model) { case 0 ... 2: *cpu_type = "i386/ppro"; @@ -655,12 +667,13 @@ static int __init ppro_init(char **cpu_type) case 15: case 23: *cpu_type = "i386/core_2"; break; + case 0x1a: + case 0x1e: case 0x2e: - case 26: spec = &op_arch_perfmon_spec; *cpu_type = "i386/core_i7"; break; - case 28: + case 0x1c: *cpu_type = "i386/atom"; break; default: diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 2ec04c424a6..15466c096ba 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -34,6 +34,15 @@ static const struct dmi_system_id pci_use_crs_table[] __initconst = { DMI_MATCH(DMI_PRODUCT_NAME, "x3800"), }, }, + /* https://bugzilla.kernel.org/show_bug.cgi?id=16007 */ + /* 2006 AMD HT/VIA system with two host bridges */ + { + .callback = set_use_crs, + .ident = "ASRock ALiveSATA2-GLAN", + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "ALiveSATA2-GLAN"), + }, + }, {} }; diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 215a27ae050..a0772af64ef 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -125,6 +125,23 @@ void __init dmi_check_skip_isa_align(void) static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev) { struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE]; + struct resource *bar_r; + int bar; + + if (pci_probe & PCI_NOASSIGN_BARS) { + /* + * If the BIOS did not assign the BAR, zero out the + * resource so the kernel doesn't attmept to assign + * it later on in pci_assign_unassigned_resources + */ + for (bar = 0; bar <= PCI_STD_RESOURCE_END; bar++) { + bar_r = &dev->resource[bar]; + if (bar_r->start == 0 && bar_r->end != 0) { + bar_r->flags = 0; + bar_r->end = 0; + } + } + } if (pci_probe & PCI_NOASSIGN_ROMS) { if (rom_r->parent) @@ -509,6 +526,9 @@ char * __devinit pcibios_setup(char *str) } else if (!strcmp(str, "norom")) { pci_probe |= PCI_NOASSIGN_ROMS; return NULL; + } else if (!strcmp(str, "nobar")) { + pci_probe |= PCI_NOASSIGN_BARS; + return NULL; } else if (!strcmp(str, "assign-busses")) { pci_probe |= PCI_ASSIGN_ALL_BUSSES; return NULL; diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c index 9810a0f76c9..f547ee05f71 100644 --- a/arch/x86/pci/irq.c +++ b/arch/x86/pci/irq.c @@ -989,7 +989,7 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign) dev_info(&dev->dev, "%s PCI INT %c -> IRQ %d\n", msg, 'A' + pin - 1, irq); /* Update IRQ for all devices with the same pirq value */ - while ((dev2 = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev2)) != NULL) { + for_each_pci_dev(dev2) { pci_read_config_byte(dev2, PCI_INTERRUPT_PIN, &pin); if (!pin) continue; @@ -1028,7 +1028,7 @@ void __init pcibios_fixup_irqs(void) u8 pin; DBG(KERN_DEBUG "PCI: IRQ fixup\n"); - while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { + for_each_pci_dev(dev) { /* * If the BIOS has set an out of range IRQ number, just * ignore it. Also keep track of which IRQ's are @@ -1052,7 +1052,7 @@ void __init pcibios_fixup_irqs(void) return; dev = NULL; - while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { + for_each_pci_dev(dev) { pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); if (!pin) continue; diff --git a/arch/x86/pci/legacy.c b/arch/x86/pci/legacy.c index 8d460eaf524..c89266be604 100644 --- a/arch/x86/pci/legacy.c +++ b/arch/x86/pci/legacy.c @@ -36,7 +36,7 @@ int __init pci_legacy_init(void) return 0; } -void pcibios_scan_specific_bus(int busn) +void __devinit pcibios_scan_specific_bus(int busn) { int devfn; long node; diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c index e7e8c5f5495..87bb35e34ef 100644 --- a/arch/x86/power/cpu.c +++ b/arch/x86/power/cpu.c @@ -113,6 +113,7 @@ static void __save_processor_state(struct saved_context *ctxt) void save_processor_state(void) { __save_processor_state(&saved_context); + save_sched_clock_state(); } #ifdef CONFIG_X86_32 EXPORT_SYMBOL(save_processor_state); @@ -229,6 +230,7 @@ static void __restore_processor_state(struct saved_context *ctxt) void restore_processor_state(void) { __restore_processor_state(&saved_context); + restore_sched_clock_state(); } #ifdef CONFIG_X86_32 EXPORT_SYMBOL(restore_processor_state); diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile index 6b4ffedb93c..4a2afa1bac5 100644 --- a/arch/x86/vdso/Makefile +++ b/arch/x86/vdso/Makefile @@ -120,7 +120,8 @@ $(obj)/vdso32-syms.lds: $(vdso32.so-y:%=$(obj)/vdso32-%-syms.lds) FORCE quiet_cmd_vdso = VDSO $@ cmd_vdso = $(CC) -nostdlib -o $@ \ $(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \ - -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) + -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) && \ + sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@' VDSO_LDFLAGS = -fPIC -shared $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) GCOV_PROFILE := n diff --git a/arch/x86/vdso/checkundef.sh b/arch/x86/vdso/checkundef.sh new file mode 100755 index 00000000000..7ee90a9b549 --- /dev/null +++ b/arch/x86/vdso/checkundef.sh @@ -0,0 +1,10 @@ +#!/bin/sh +nm="$1" +file="$2" +$nm "$file" | grep '^ *U' > /dev/null 2>&1 +if [ $? -eq 1 ]; then + exit 0 +else + echo "$file: undefined symbols found" >&2 + exit 1 +fi diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c index 02b442e9200..36df991985b 100644 --- a/arch/x86/vdso/vdso32-setup.c +++ b/arch/x86/vdso/vdso32-setup.c @@ -374,7 +374,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) #ifdef CONFIG_X86_64 -__initcall(sysenter_setup); +subsys_initcall(sysenter_setup); #ifdef CONFIG_SYSCTL /* Register vsyscall32 into the ABI table */ diff --git a/arch/x86/vdso/vma.c b/arch/x86/vdso/vma.c index ac74869b814..4b5d26f108b 100644 --- a/arch/x86/vdso/vma.c +++ b/arch/x86/vdso/vma.c @@ -67,6 +67,7 @@ static int __init init_vdso_vars(void) *(typeof(__ ## x) **) var_ref(VDSO64_SYMBOL(vbase, x), #x) = &__ ## x; #include "vextern.h" #undef VEXTERN + vunmap(vbase); return 0; oom: @@ -74,7 +75,7 @@ static int __init init_vdso_vars(void) vdso_enabled = 0; return -ENOMEM; } -__initcall(init_vdso_vars); +subsys_initcall(init_vdso_vars); struct linux_binprm; diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig index b83e119fbeb..68128a1b401 100644 --- a/arch/x86/xen/Kconfig +++ b/arch/x86/xen/Kconfig @@ -13,6 +13,11 @@ config XEN kernel to boot in a paravirtualized environment under the Xen hypervisor. +config XEN_PVHVM + def_bool y + depends on XEN + depends on X86_LOCAL_APIC + config XEN_MAX_DOMAIN_MEMORY int "Maximum allowed size of a domain in gigabytes" default 8 if X86_32 diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile index 3bb4fc21f4f..77938515891 100644 --- a/arch/x86/xen/Makefile +++ b/arch/x86/xen/Makefile @@ -12,9 +12,10 @@ CFLAGS_mmu.o := $(nostackp) obj-y := enlighten.o setup.o multicalls.o mmu.o irq.o \ time.o xen-asm.o xen-asm_$(BITS).o \ - grant-table.o suspend.o + grant-table.o suspend.o platform-pci-unplug.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= spinlock.o obj-$(CONFIG_XEN_DEBUG_FS) += debugfs.o +obj-$(CONFIG_SWIOTLB_XEN) += pci-swiotlb-xen.o diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 65d8d79b46a..7d46c844141 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -11,6 +11,7 @@ * Jeremy Fitzhardinge <jeremy@xensource.com>, XenSource Inc, 2007 */ +#include <linux/cpu.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/smp.h> @@ -35,8 +36,10 @@ #include <xen/interface/version.h> #include <xen/interface/physdev.h> #include <xen/interface/vcpu.h> +#include <xen/interface/memory.h> #include <xen/features.h> #include <xen/page.h> +#include <xen/hvm.h> #include <xen/hvc-console.h> #include <asm/paravirt.h> @@ -55,7 +58,9 @@ #include <asm/pgtable.h> #include <asm/tlbflush.h> #include <asm/reboot.h> +#include <asm/setup.h> #include <asm/stackprotector.h> +#include <asm/hypervisor.h> #include "xen-ops.h" #include "mmu.h" @@ -76,6 +81,10 @@ struct shared_info xen_dummy_shared_info; void *xen_initial_gdt; +RESERVE_BRK(shared_info_page_brk, PAGE_SIZE); +__read_mostly int xen_have_vector_callback; +EXPORT_SYMBOL_GPL(xen_have_vector_callback); + /* * Point at some empty memory to start with. We map the real shared_info * page as soon as fixmap is up and running. @@ -97,6 +106,14 @@ struct shared_info *HYPERVISOR_shared_info = (void *)&xen_dummy_shared_info; */ static int have_vcpu_info_placement = 1; +static void clamp_max_cpus(void) +{ +#ifdef CONFIG_SMP + if (setup_max_cpus > MAX_VIRT_CPUS) + setup_max_cpus = MAX_VIRT_CPUS; +#endif +} + static void xen_vcpu_setup(int cpu) { struct vcpu_register_vcpu_info info; @@ -104,13 +121,17 @@ static void xen_vcpu_setup(int cpu) struct vcpu_info *vcpup; BUG_ON(HYPERVISOR_shared_info == &xen_dummy_shared_info); - per_cpu(xen_vcpu, cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu]; - if (!have_vcpu_info_placement) - return; /* already tested, not available */ + if (cpu < MAX_VIRT_CPUS) + per_cpu(xen_vcpu,cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu]; - vcpup = &per_cpu(xen_vcpu_info, cpu); + if (!have_vcpu_info_placement) { + if (cpu >= MAX_VIRT_CPUS) + clamp_max_cpus(); + return; + } + vcpup = &per_cpu(xen_vcpu_info, cpu); info.mfn = arbitrary_virt_to_mfn(vcpup); info.offset = offset_in_page(vcpup); @@ -125,6 +146,7 @@ static void xen_vcpu_setup(int cpu) if (err) { printk(KERN_DEBUG "register_vcpu_info failed: err=%d\n", err); have_vcpu_info_placement = 0; + clamp_max_cpus(); } else { /* This cpu is using the registered vcpu info, even if later ones fail to. */ @@ -731,7 +753,6 @@ static void set_xen_basic_apic_ops(void) #endif - static void xen_clts(void) { struct multicall_space mcs; @@ -926,10 +947,6 @@ static const struct pv_init_ops xen_init_ops __initdata = { .patch = xen_patch, }; -static const struct pv_time_ops xen_time_ops __initdata = { - .sched_clock = xen_sched_clock, -}; - static const struct pv_cpu_ops xen_cpu_ops __initdata = { .cpuid = xen_cpuid, @@ -1028,6 +1045,23 @@ static void xen_crash_shutdown(struct pt_regs *regs) xen_reboot(SHUTDOWN_crash); } +static int +xen_panic_event(struct notifier_block *this, unsigned long event, void *ptr) +{ + xen_reboot(SHUTDOWN_crash); + return NOTIFY_DONE; +} + +static struct notifier_block xen_panic_block = { + .notifier_call= xen_panic_event, +}; + +int xen_panic_handler_init(void) +{ + atomic_notifier_chain_register(&panic_notifier_list, &xen_panic_block); + return 0; +} + static const struct machine_ops __initdata xen_machine_ops = { .restart = xen_restart, .halt = xen_machine_halt, @@ -1067,7 +1101,6 @@ asmlinkage void __init xen_start_kernel(void) /* Install Xen paravirt ops */ pv_info = xen_info; pv_init_ops = xen_init_ops; - pv_time_ops = xen_time_ops; pv_cpu_ops = xen_cpu_ops; pv_apic_ops = xen_apic_ops; @@ -1075,13 +1108,7 @@ asmlinkage void __init xen_start_kernel(void) x86_init.oem.arch_setup = xen_arch_setup; x86_init.oem.banner = xen_banner; - x86_init.timers.timer_init = xen_time_init; - x86_init.timers.setup_percpu_clockev = x86_init_noop; - x86_cpuinit.setup_percpu_clockev = x86_init_noop; - - x86_platform.calibrate_tsc = xen_tsc_khz; - x86_platform.get_wallclock = xen_get_wallclock; - x86_platform.set_wallclock = xen_set_wallclock; + xen_init_time_ops(); /* * Set up some pagetable state before starting to set any ptes. @@ -1145,6 +1172,10 @@ asmlinkage void __init xen_start_kernel(void) pgd = (pgd_t *)xen_start_info->pt_base; + if (!xen_initial_domain()) + __supported_pte_mask &= ~(_PAGE_PWT | _PAGE_PCD); + + __supported_pte_mask |= _PAGE_IOMAP; /* Don't do the full vcpu_info placement stuff until we have a possible map and a non-dummy shared_info. */ per_cpu(xen_vcpu, 0) = &HYPERVISOR_shared_info->vcpu_info[0]; @@ -1206,3 +1237,139 @@ asmlinkage void __init xen_start_kernel(void) x86_64_start_reservations((char *)__pa_symbol(&boot_params)); #endif } + +static uint32_t xen_cpuid_base(void) +{ + uint32_t base, eax, ebx, ecx, edx; + char signature[13]; + + for (base = 0x40000000; base < 0x40010000; base += 0x100) { + cpuid(base, &eax, &ebx, &ecx, &edx); + *(uint32_t *)(signature + 0) = ebx; + *(uint32_t *)(signature + 4) = ecx; + *(uint32_t *)(signature + 8) = edx; + signature[12] = 0; + + if (!strcmp("XenVMMXenVMM", signature) && ((eax - base) >= 2)) + return base; + } + + return 0; +} + +static int init_hvm_pv_info(int *major, int *minor) +{ + uint32_t eax, ebx, ecx, edx, pages, msr, base; + u64 pfn; + + base = xen_cpuid_base(); + cpuid(base + 1, &eax, &ebx, &ecx, &edx); + + *major = eax >> 16; + *minor = eax & 0xffff; + printk(KERN_INFO "Xen version %d.%d.\n", *major, *minor); + + cpuid(base + 2, &pages, &msr, &ecx, &edx); + + pfn = __pa(hypercall_page); + wrmsr_safe(msr, (u32)pfn, (u32)(pfn >> 32)); + + xen_setup_features(); + + pv_info = xen_info; + pv_info.kernel_rpl = 0; + + xen_domain_type = XEN_HVM_DOMAIN; + + return 0; +} + +void xen_hvm_init_shared_info(void) +{ + int cpu; + struct xen_add_to_physmap xatp; + static struct shared_info *shared_info_page = 0; + + if (!shared_info_page) + shared_info_page = (struct shared_info *) + extend_brk(PAGE_SIZE, PAGE_SIZE); + xatp.domid = DOMID_SELF; + xatp.idx = 0; + xatp.space = XENMAPSPACE_shared_info; + xatp.gpfn = __pa(shared_info_page) >> PAGE_SHIFT; + if (HYPERVISOR_memory_op(XENMEM_add_to_physmap, &xatp)) + BUG(); + + HYPERVISOR_shared_info = (struct shared_info *)shared_info_page; + + /* xen_vcpu is a pointer to the vcpu_info struct in the shared_info + * page, we use it in the event channel upcall and in some pvclock + * related functions. We don't need the vcpu_info placement + * optimizations because we don't use any pv_mmu or pv_irq op on + * HVM. + * When xen_hvm_init_shared_info is run at boot time only vcpu 0 is + * online but xen_hvm_init_shared_info is run at resume time too and + * in that case multiple vcpus might be online. */ + for_each_online_cpu(cpu) { + per_cpu(xen_vcpu, cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu]; + } +} + +#ifdef CONFIG_XEN_PVHVM +static int __cpuinit xen_hvm_cpu_notify(struct notifier_block *self, + unsigned long action, void *hcpu) +{ + int cpu = (long)hcpu; + switch (action) { + case CPU_UP_PREPARE: + per_cpu(xen_vcpu, cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu]; + break; + default: + break; + } + return NOTIFY_OK; +} + +static struct notifier_block __cpuinitdata xen_hvm_cpu_notifier = { + .notifier_call = xen_hvm_cpu_notify, +}; + +static void __init xen_hvm_guest_init(void) +{ + int r; + int major, minor; + + r = init_hvm_pv_info(&major, &minor); + if (r < 0) + return; + + xen_hvm_init_shared_info(); + + if (xen_feature(XENFEAT_hvm_callback_vector)) + xen_have_vector_callback = 1; + register_cpu_notifier(&xen_hvm_cpu_notifier); + xen_unplug_emulated_devices(); + have_vcpu_info_placement = 0; + x86_init.irqs.intr_init = xen_init_IRQ; + xen_hvm_init_time_ops(); + xen_hvm_init_mmu_ops(); +} + +static bool __init xen_hvm_platform(void) +{ + if (xen_pv_domain()) + return false; + + if (!xen_cpuid_base()) + return false; + + return true; +} + +const __refconst struct hypervisor_x86 x86_hyper_xen_hvm = { + .name = "Xen HVM", + .detect = xen_hvm_platform, + .init_platform = xen_hvm_guest_init, +}; +EXPORT_SYMBOL(x86_hyper_xen_hvm); +#endif diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 914f04695ce..42086ac406a 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -42,6 +42,7 @@ #include <linux/highmem.h> #include <linux/debugfs.h> #include <linux/bug.h> +#include <linux/vmalloc.h> #include <linux/module.h> #include <linux/gfp.h> @@ -51,14 +52,19 @@ #include <asm/mmu_context.h> #include <asm/setup.h> #include <asm/paravirt.h> +#include <asm/e820.h> #include <asm/linkage.h> +#include <asm/page.h> #include <asm/xen/hypercall.h> #include <asm/xen/hypervisor.h> +#include <xen/xen.h> #include <xen/page.h> #include <xen/interface/xen.h> +#include <xen/interface/hvm/hvm_op.h> #include <xen/interface/version.h> +#include <xen/interface/memory.h> #include <xen/hvc-console.h> #include "multicalls.h" @@ -67,6 +73,13 @@ #define MMU_UPDATE_HISTO 30 +/* + * Protects atomic reservation decrease/increase against concurrent increases. + * Also protects non-atomic updates of current_pages and driver_pages, and + * balloon lists. + */ +DEFINE_SPINLOCK(xen_reservation_lock); + #ifdef CONFIG_XEN_DEBUG_FS static struct { @@ -377,6 +390,28 @@ static bool xen_page_pinned(void *ptr) return PagePinned(page); } +static bool xen_iomap_pte(pte_t pte) +{ + return pte_flags(pte) & _PAGE_IOMAP; +} + +static void xen_set_iomap_pte(pte_t *ptep, pte_t pteval) +{ + struct multicall_space mcs; + struct mmu_update *u; + + mcs = xen_mc_entry(sizeof(*u)); + u = mcs.args; + + /* ptep might be kmapped when using 32-bit HIGHPTE */ + u->ptr = arbitrary_virt_to_machine(ptep).maddr; + u->val = pte_val_ma(pteval); + + MULTI_mmu_update(mcs.mc, mcs.args, 1, NULL, DOMID_IO); + + xen_mc_issue(PARAVIRT_LAZY_MMU); +} + static void xen_extend_mmu_update(const struct mmu_update *update) { struct multicall_space mcs; @@ -453,6 +488,11 @@ void set_pte_mfn(unsigned long vaddr, unsigned long mfn, pgprot_t flags) void xen_set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pteval) { + if (xen_iomap_pte(pteval)) { + xen_set_iomap_pte(ptep, pteval); + goto out; + } + ADD_STATS(set_pte_at, 1); // ADD_STATS(set_pte_at_pinned, xen_page_pinned(ptep)); ADD_STATS(set_pte_at_current, mm == current->mm); @@ -523,8 +563,25 @@ static pteval_t pte_pfn_to_mfn(pteval_t val) return val; } +static pteval_t iomap_pte(pteval_t val) +{ + if (val & _PAGE_PRESENT) { + unsigned long pfn = (val & PTE_PFN_MASK) >> PAGE_SHIFT; + pteval_t flags = val & PTE_FLAGS_MASK; + + /* We assume the pte frame number is a MFN, so + just use it as-is. */ + val = ((pteval_t)pfn << PAGE_SHIFT) | flags; + } + + return val; +} + pteval_t xen_pte_val(pte_t pte) { + if (xen_initial_domain() && (pte.pte & _PAGE_IOMAP)) + return pte.pte; + return pte_mfn_to_pfn(pte.pte); } PV_CALLEE_SAVE_REGS_THUNK(xen_pte_val); @@ -537,7 +594,22 @@ PV_CALLEE_SAVE_REGS_THUNK(xen_pgd_val); pte_t xen_make_pte(pteval_t pte) { - pte = pte_pfn_to_mfn(pte); + phys_addr_t addr = (pte & PTE_PFN_MASK); + + /* + * Unprivileged domains are allowed to do IOMAPpings for + * PCI passthrough, but not map ISA space. The ISA + * mappings are just dummy local mappings to keep other + * parts of the kernel happy. + */ + if (unlikely(pte & _PAGE_IOMAP) && + (xen_initial_domain() || addr >= ISA_END_ADDRESS)) { + pte = iomap_pte(pte); + } else { + pte &= ~_PAGE_IOMAP; + pte = pte_pfn_to_mfn(pte); + } + return native_make_pte(pte); } PV_CALLEE_SAVE_REGS_THUNK(xen_make_pte); @@ -593,6 +665,11 @@ void xen_set_pud(pud_t *ptr, pud_t val) void xen_set_pte(pte_t *ptep, pte_t pte) { + if (xen_iomap_pte(pte)) { + xen_set_iomap_pte(ptep, pte); + return; + } + ADD_STATS(pte_update, 1); // ADD_STATS(pte_update_pinned, xen_page_pinned(ptep)); ADD_STATS(pte_update_batched, paravirt_get_lazy_mode() == PARAVIRT_LAZY_MMU); @@ -609,6 +686,11 @@ void xen_set_pte(pte_t *ptep, pte_t pte) #ifdef CONFIG_X86_PAE void xen_set_pte_atomic(pte_t *ptep, pte_t pte) { + if (xen_iomap_pte(pte)) { + xen_set_iomap_pte(ptep, pte); + return; + } + set_64bit((u64 *)ptep, native_pte_val(pte)); } @@ -935,8 +1017,6 @@ static int xen_pin_page(struct mm_struct *mm, struct page *page, read-only, and can be pinned. */ static void __xen_pgd_pin(struct mm_struct *mm, pgd_t *pgd) { - vm_unmap_aliases(); - xen_mc_batch(); if (__xen_pgd_walk(mm, pgd, xen_pin_page, USER_LIMIT)) { @@ -1500,7 +1580,6 @@ static void xen_alloc_ptpage(struct mm_struct *mm, unsigned long pfn, unsigned l if (PagePinned(virt_to_page(mm->pgd))) { SetPagePinned(page); - vm_unmap_aliases(); if (!PageHighMem(page)) { make_lowmem_page_readonly(__va(PFN_PHYS((unsigned long)pfn))); if (level == PT_PTE && USE_SPLIT_PTLOCKS) @@ -1811,9 +1890,16 @@ static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot) pte = pfn_pte(phys, prot); break; - default: + case FIX_PARAVIRT_BOOTMAP: + /* This is an MFN, but it isn't an IO mapping from the + IO domain */ pte = mfn_pte(phys, prot); break; + + default: + /* By default, set_fixmap is used for hardware mappings */ + pte = mfn_pte(phys, __pgprot(pgprot_val(prot) | _PAGE_IOMAP)); + break; } __native_set_fixmap(idx, pte); @@ -1939,8 +2025,240 @@ void __init xen_init_mmu_ops(void) x86_init.paging.pagetable_setup_start = xen_pagetable_setup_start; x86_init.paging.pagetable_setup_done = xen_pagetable_setup_done; pv_mmu_ops = xen_mmu_ops; + + vmap_lazy_unmap = false; +} + +/* Protected by xen_reservation_lock. */ +#define MAX_CONTIG_ORDER 9 /* 2MB */ +static unsigned long discontig_frames[1<<MAX_CONTIG_ORDER]; + +#define VOID_PTE (mfn_pte(0, __pgprot(0))) +static void xen_zap_pfn_range(unsigned long vaddr, unsigned int order, + unsigned long *in_frames, + unsigned long *out_frames) +{ + int i; + struct multicall_space mcs; + + xen_mc_batch(); + for (i = 0; i < (1UL<<order); i++, vaddr += PAGE_SIZE) { + mcs = __xen_mc_entry(0); + + if (in_frames) + in_frames[i] = virt_to_mfn(vaddr); + + MULTI_update_va_mapping(mcs.mc, vaddr, VOID_PTE, 0); + set_phys_to_machine(virt_to_pfn(vaddr), INVALID_P2M_ENTRY); + + if (out_frames) + out_frames[i] = virt_to_pfn(vaddr); + } + xen_mc_issue(0); +} + +/* + * Update the pfn-to-mfn mappings for a virtual address range, either to + * point to an array of mfns, or contiguously from a single starting + * mfn. + */ +static void xen_remap_exchanged_ptes(unsigned long vaddr, int order, + unsigned long *mfns, + unsigned long first_mfn) +{ + unsigned i, limit; + unsigned long mfn; + + xen_mc_batch(); + + limit = 1u << order; + for (i = 0; i < limit; i++, vaddr += PAGE_SIZE) { + struct multicall_space mcs; + unsigned flags; + + mcs = __xen_mc_entry(0); + if (mfns) + mfn = mfns[i]; + else + mfn = first_mfn + i; + + if (i < (limit - 1)) + flags = 0; + else { + if (order == 0) + flags = UVMF_INVLPG | UVMF_ALL; + else + flags = UVMF_TLB_FLUSH | UVMF_ALL; + } + + MULTI_update_va_mapping(mcs.mc, vaddr, + mfn_pte(mfn, PAGE_KERNEL), flags); + + set_phys_to_machine(virt_to_pfn(vaddr), mfn); + } + + xen_mc_issue(0); +} + +/* + * Perform the hypercall to exchange a region of our pfns to point to + * memory with the required contiguous alignment. Takes the pfns as + * input, and populates mfns as output. + * + * Returns a success code indicating whether the hypervisor was able to + * satisfy the request or not. + */ +static int xen_exchange_memory(unsigned long extents_in, unsigned int order_in, + unsigned long *pfns_in, + unsigned long extents_out, + unsigned int order_out, + unsigned long *mfns_out, + unsigned int address_bits) +{ + long rc; + int success; + + struct xen_memory_exchange exchange = { + .in = { + .nr_extents = extents_in, + .extent_order = order_in, + .extent_start = pfns_in, + .domid = DOMID_SELF + }, + .out = { + .nr_extents = extents_out, + .extent_order = order_out, + .extent_start = mfns_out, + .address_bits = address_bits, + .domid = DOMID_SELF + } + }; + + BUG_ON(extents_in << order_in != extents_out << order_out); + + rc = HYPERVISOR_memory_op(XENMEM_exchange, &exchange); + success = (exchange.nr_exchanged == extents_in); + + BUG_ON(!success && ((exchange.nr_exchanged != 0) || (rc == 0))); + BUG_ON(success && (rc != 0)); + + return success; } +int xen_create_contiguous_region(unsigned long vstart, unsigned int order, + unsigned int address_bits) +{ + unsigned long *in_frames = discontig_frames, out_frame; + unsigned long flags; + int success; + + /* + * Currently an auto-translated guest will not perform I/O, nor will + * it require PAE page directories below 4GB. Therefore any calls to + * this function are redundant and can be ignored. + */ + + if (xen_feature(XENFEAT_auto_translated_physmap)) + return 0; + + if (unlikely(order > MAX_CONTIG_ORDER)) + return -ENOMEM; + + memset((void *) vstart, 0, PAGE_SIZE << order); + + spin_lock_irqsave(&xen_reservation_lock, flags); + + /* 1. Zap current PTEs, remembering MFNs. */ + xen_zap_pfn_range(vstart, order, in_frames, NULL); + + /* 2. Get a new contiguous memory extent. */ + out_frame = virt_to_pfn(vstart); + success = xen_exchange_memory(1UL << order, 0, in_frames, + 1, order, &out_frame, + address_bits); + + /* 3. Map the new extent in place of old pages. */ + if (success) + xen_remap_exchanged_ptes(vstart, order, NULL, out_frame); + else + xen_remap_exchanged_ptes(vstart, order, in_frames, 0); + + spin_unlock_irqrestore(&xen_reservation_lock, flags); + + return success ? 0 : -ENOMEM; +} +EXPORT_SYMBOL_GPL(xen_create_contiguous_region); + +void xen_destroy_contiguous_region(unsigned long vstart, unsigned int order) +{ + unsigned long *out_frames = discontig_frames, in_frame; + unsigned long flags; + int success; + + if (xen_feature(XENFEAT_auto_translated_physmap)) + return; + + if (unlikely(order > MAX_CONTIG_ORDER)) + return; + + memset((void *) vstart, 0, PAGE_SIZE << order); + + spin_lock_irqsave(&xen_reservation_lock, flags); + + /* 1. Find start MFN of contiguous extent. */ + in_frame = virt_to_mfn(vstart); + + /* 2. Zap current PTEs. */ + xen_zap_pfn_range(vstart, order, NULL, out_frames); + + /* 3. Do the exchange for non-contiguous MFNs. */ + success = xen_exchange_memory(1, order, &in_frame, 1UL << order, + 0, out_frames, 0); + + /* 4. Map new pages in place of old pages. */ + if (success) + xen_remap_exchanged_ptes(vstart, order, out_frames, 0); + else + xen_remap_exchanged_ptes(vstart, order, NULL, in_frame); + + spin_unlock_irqrestore(&xen_reservation_lock, flags); +} +EXPORT_SYMBOL_GPL(xen_destroy_contiguous_region); + +#ifdef CONFIG_XEN_PVHVM +static void xen_hvm_exit_mmap(struct mm_struct *mm) +{ + struct xen_hvm_pagetable_dying a; + int rc; + + a.domid = DOMID_SELF; + a.gpa = __pa(mm->pgd); + rc = HYPERVISOR_hvm_op(HVMOP_pagetable_dying, &a); + WARN_ON_ONCE(rc < 0); +} + +static int is_pagetable_dying_supported(void) +{ + struct xen_hvm_pagetable_dying a; + int rc = 0; + + a.domid = DOMID_SELF; + a.gpa = 0x00; + rc = HYPERVISOR_hvm_op(HVMOP_pagetable_dying, &a); + if (rc < 0) { + printk(KERN_DEBUG "HVMOP_pagetable_dying not supported\n"); + return 0; + } + return 1; +} + +void __init xen_hvm_init_mmu_ops(void) +{ + if (is_pagetable_dying_supported()) + pv_mmu_ops.exit_mmap = xen_hvm_exit_mmap; +} +#endif + #ifdef CONFIG_XEN_DEBUG_FS static struct dentry *d_mmu_debug; diff --git a/arch/x86/xen/mmu.h b/arch/x86/xen/mmu.h index 5fe6bc7f5ec..fa938c4aa2f 100644 --- a/arch/x86/xen/mmu.h +++ b/arch/x86/xen/mmu.h @@ -60,4 +60,5 @@ void xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr, unsigned long xen_read_cr2_direct(void); extern void xen_init_mmu_ops(void); +extern void xen_hvm_init_mmu_ops(void); #endif /* _XEN_MMU_H */ diff --git a/arch/x86/xen/pci-swiotlb-xen.c b/arch/x86/xen/pci-swiotlb-xen.c new file mode 100644 index 00000000000..a013ec9d0c5 --- /dev/null +++ b/arch/x86/xen/pci-swiotlb-xen.c @@ -0,0 +1,58 @@ +/* Glue code to lib/swiotlb-xen.c */ + +#include <linux/dma-mapping.h> +#include <xen/swiotlb-xen.h> + +#include <asm/xen/hypervisor.h> +#include <xen/xen.h> + +int xen_swiotlb __read_mostly; + +static struct dma_map_ops xen_swiotlb_dma_ops = { + .mapping_error = xen_swiotlb_dma_mapping_error, + .alloc_coherent = xen_swiotlb_alloc_coherent, + .free_coherent = xen_swiotlb_free_coherent, + .sync_single_for_cpu = xen_swiotlb_sync_single_for_cpu, + .sync_single_for_device = xen_swiotlb_sync_single_for_device, + .sync_sg_for_cpu = xen_swiotlb_sync_sg_for_cpu, + .sync_sg_for_device = xen_swiotlb_sync_sg_for_device, + .map_sg = xen_swiotlb_map_sg_attrs, + .unmap_sg = xen_swiotlb_unmap_sg_attrs, + .map_page = xen_swiotlb_map_page, + .unmap_page = xen_swiotlb_unmap_page, + .dma_supported = xen_swiotlb_dma_supported, +}; + +/* + * pci_xen_swiotlb_detect - set xen_swiotlb to 1 if necessary + * + * This returns non-zero if we are forced to use xen_swiotlb (by the boot + * option). + */ +int __init pci_xen_swiotlb_detect(void) +{ + + /* If running as PV guest, either iommu=soft, or swiotlb=force will + * activate this IOMMU. If running as PV privileged, activate it + * irregardlesss. + */ + if ((xen_initial_domain() || swiotlb || swiotlb_force) && + (xen_pv_domain())) + xen_swiotlb = 1; + + /* If we are running under Xen, we MUST disable the native SWIOTLB. + * Don't worry about swiotlb_force flag activating the native, as + * the 'swiotlb' flag is the only one turning it on. */ + if (xen_pv_domain()) + swiotlb = 0; + + return xen_swiotlb; +} + +void __init pci_xen_swiotlb_init(void) +{ + if (xen_swiotlb) { + xen_swiotlb_init(1); + dma_ops = &xen_swiotlb_dma_ops; + } +} diff --git a/arch/x86/xen/platform-pci-unplug.c b/arch/x86/xen/platform-pci-unplug.c new file mode 100644 index 00000000000..0f456386cce --- /dev/null +++ b/arch/x86/xen/platform-pci-unplug.c @@ -0,0 +1,143 @@ +/****************************************************************************** + * platform-pci-unplug.c + * + * Xen platform PCI device driver + * Copyright (c) 2010, Citrix + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + */ + +#include <linux/init.h> +#include <linux/io.h> +#include <linux/module.h> + +#include <xen/platform_pci.h> + +#define XEN_PLATFORM_ERR_MAGIC -1 +#define XEN_PLATFORM_ERR_PROTOCOL -2 +#define XEN_PLATFORM_ERR_BLACKLIST -3 + +/* store the value of xen_emul_unplug after the unplug is done */ +int xen_platform_pci_unplug; +EXPORT_SYMBOL_GPL(xen_platform_pci_unplug); +#ifdef CONFIG_XEN_PVHVM +static int xen_emul_unplug; + +static int __init check_platform_magic(void) +{ + short magic; + char protocol; + + magic = inw(XEN_IOPORT_MAGIC); + if (magic != XEN_IOPORT_MAGIC_VAL) { + printk(KERN_ERR "Xen Platform PCI: unrecognised magic value\n"); + return XEN_PLATFORM_ERR_MAGIC; + } + + protocol = inb(XEN_IOPORT_PROTOVER); + + printk(KERN_DEBUG "Xen Platform PCI: I/O protocol version %d\n", + protocol); + + switch (protocol) { + case 1: + outw(XEN_IOPORT_LINUX_PRODNUM, XEN_IOPORT_PRODNUM); + outl(XEN_IOPORT_LINUX_DRVVER, XEN_IOPORT_DRVVER); + if (inw(XEN_IOPORT_MAGIC) != XEN_IOPORT_MAGIC_VAL) { + printk(KERN_ERR "Xen Platform: blacklisted by host\n"); + return XEN_PLATFORM_ERR_BLACKLIST; + } + break; + default: + printk(KERN_WARNING "Xen Platform PCI: unknown I/O protocol version"); + return XEN_PLATFORM_ERR_PROTOCOL; + } + + return 0; +} + +void __init xen_unplug_emulated_devices(void) +{ + int r; + + /* user explicitly requested no unplug */ + if (xen_emul_unplug & XEN_UNPLUG_NEVER) + return; + /* check the version of the xen platform PCI device */ + r = check_platform_magic(); + /* If the version matches enable the Xen platform PCI driver. + * Also enable the Xen platform PCI driver if the host does + * not support the unplug protocol (XEN_PLATFORM_ERR_MAGIC) + * but the user told us that unplugging is unnecessary. */ + if (r && !(r == XEN_PLATFORM_ERR_MAGIC && + (xen_emul_unplug & XEN_UNPLUG_UNNECESSARY))) + return; + /* Set the default value of xen_emul_unplug depending on whether or + * not the Xen PV frontends and the Xen platform PCI driver have + * been compiled for this kernel (modules or built-in are both OK). */ + if (!xen_emul_unplug) { + if (xen_must_unplug_nics()) { + printk(KERN_INFO "Netfront and the Xen platform PCI driver have " + "been compiled for this kernel: unplug emulated NICs.\n"); + xen_emul_unplug |= XEN_UNPLUG_ALL_NICS; + } + if (xen_must_unplug_disks()) { + printk(KERN_INFO "Blkfront and the Xen platform PCI driver have " + "been compiled for this kernel: unplug emulated disks.\n" + "You might have to change the root device\n" + "from /dev/hd[a-d] to /dev/xvd[a-d]\n" + "in your root= kernel command line option\n"); + xen_emul_unplug |= XEN_UNPLUG_ALL_IDE_DISKS; + } + } + /* Now unplug the emulated devices */ + if (!(xen_emul_unplug & XEN_UNPLUG_UNNECESSARY)) + outw(xen_emul_unplug, XEN_IOPORT_UNPLUG); + xen_platform_pci_unplug = xen_emul_unplug; +} + +static int __init parse_xen_emul_unplug(char *arg) +{ + char *p, *q; + int l; + + for (p = arg; p; p = q) { + q = strchr(p, ','); + if (q) { + l = q - p; + q++; + } else { + l = strlen(p); + } + if (!strncmp(p, "all", l)) + xen_emul_unplug |= XEN_UNPLUG_ALL; + else if (!strncmp(p, "ide-disks", l)) + xen_emul_unplug |= XEN_UNPLUG_ALL_IDE_DISKS; + else if (!strncmp(p, "aux-ide-disks", l)) + xen_emul_unplug |= XEN_UNPLUG_AUX_IDE_DISKS; + else if (!strncmp(p, "nics", l)) + xen_emul_unplug |= XEN_UNPLUG_ALL_NICS; + else if (!strncmp(p, "unnecessary", l)) + xen_emul_unplug |= XEN_UNPLUG_UNNECESSARY; + else if (!strncmp(p, "never", l)) + xen_emul_unplug |= XEN_UNPLUG_NEVER; + else + printk(KERN_WARNING "unrecognised option '%s' " + "in parameter 'xen_emul_unplug'\n", p); + } + return 0; +} +early_param("xen_emul_unplug", parse_xen_emul_unplug); +#endif diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index ad0047f47cd..328b0030542 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -20,6 +20,7 @@ #include <xen/page.h> #include <xen/interface/callback.h> #include <xen/interface/physdev.h> +#include <xen/interface/memory.h> #include <xen/features.h> #include "xen-ops.h" @@ -32,6 +33,73 @@ extern void xen_sysenter_target(void); extern void xen_syscall_target(void); extern void xen_syscall32_target(void); +static unsigned long __init xen_release_chunk(phys_addr_t start_addr, + phys_addr_t end_addr) +{ + struct xen_memory_reservation reservation = { + .address_bits = 0, + .extent_order = 0, + .domid = DOMID_SELF + }; + unsigned long start, end; + unsigned long len = 0; + unsigned long pfn; + int ret; + + start = PFN_UP(start_addr); + end = PFN_DOWN(end_addr); + + if (end <= start) + return 0; + + printk(KERN_INFO "xen_release_chunk: looking at area pfn %lx-%lx: ", + start, end); + for(pfn = start; pfn < end; pfn++) { + unsigned long mfn = pfn_to_mfn(pfn); + + /* Make sure pfn exists to start with */ + if (mfn == INVALID_P2M_ENTRY || mfn_to_pfn(mfn) != pfn) + continue; + + set_xen_guest_handle(reservation.extent_start, &mfn); + reservation.nr_extents = 1; + + ret = HYPERVISOR_memory_op(XENMEM_decrease_reservation, + &reservation); + WARN(ret != 1, "Failed to release memory %lx-%lx err=%d\n", + start, end, ret); + if (ret == 1) { + set_phys_to_machine(pfn, INVALID_P2M_ENTRY); + len++; + } + } + printk(KERN_CONT "%ld pages freed\n", len); + + return len; +} + +static unsigned long __init xen_return_unused_memory(unsigned long max_pfn, + const struct e820map *e820) +{ + phys_addr_t max_addr = PFN_PHYS(max_pfn); + phys_addr_t last_end = 0; + unsigned long released = 0; + int i; + + for (i = 0; i < e820->nr_map && last_end < max_addr; i++) { + phys_addr_t end = e820->map[i].addr; + end = min(max_addr, end); + + released += xen_release_chunk(last_end, end); + last_end = e820->map[i].addr + e820->map[i].size; + } + + if (last_end < max_addr) + released += xen_release_chunk(last_end, max_addr); + + printk(KERN_INFO "released %ld pages of unused memory\n", released); + return released; +} /** * machine_specific_memory_setup - Hook for machine specific memory setup. @@ -67,6 +135,8 @@ char * __init xen_memory_setup(void) sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map); + xen_return_unused_memory(xen_start_info->nr_pages, &e820); + return "Xen"; } @@ -156,6 +226,8 @@ void __init xen_arch_setup(void) struct physdev_set_iopl set_iopl; int rc; + xen_panic_handler_init(); + HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_4gb_segments); HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_writable_pagetables); diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index a29693fd313..25f232b18a8 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -394,6 +394,8 @@ static void stop_self(void *v) load_cr3(swapper_pg_dir); /* should set up a minimal gdt */ + set_cpu_online(cpu, false); + HYPERVISOR_vcpu_op(VCPUOP_down, cpu, NULL); BUG(); } diff --git a/arch/x86/xen/suspend.c b/arch/x86/xen/suspend.c index a9c66110803..1d789d56877 100644 --- a/arch/x86/xen/suspend.c +++ b/arch/x86/xen/suspend.c @@ -26,6 +26,18 @@ void xen_pre_suspend(void) BUG(); } +void xen_hvm_post_suspend(int suspend_cancelled) +{ + int cpu; + xen_hvm_init_shared_info(); + xen_callback_vector(); + if (xen_feature(XENFEAT_hvm_safe_pvclock)) { + for_each_online_cpu(cpu) { + xen_setup_runstate_info(cpu); + } + } +} + void xen_post_suspend(int suspend_cancelled) { xen_build_mfn_list_list(); diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index b3c6c59ed30..1a5353a753f 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -20,6 +20,7 @@ #include <asm/xen/hypercall.h> #include <xen/events.h> +#include <xen/features.h> #include <xen/interface/xen.h> #include <xen/interface/vcpu.h> @@ -155,47 +156,8 @@ static void do_stolen_accounting(void) account_idle_ticks(ticks); } -/* - * Xen sched_clock implementation. Returns the number of unstolen - * nanoseconds, which is nanoseconds the VCPU spent in RUNNING+BLOCKED - * states. - */ -unsigned long long xen_sched_clock(void) -{ - struct vcpu_runstate_info state; - cycle_t now; - u64 ret; - s64 offset; - - /* - * Ideally sched_clock should be called on a per-cpu basis - * anyway, so preempt should already be disabled, but that's - * not current practice at the moment. - */ - preempt_disable(); - - now = xen_clocksource_read(); - - get_runstate_snapshot(&state); - - WARN_ON(state.state != RUNSTATE_running); - - offset = now - state.state_entry_time; - if (offset < 0) - offset = 0; - - ret = state.time[RUNSTATE_blocked] + - state.time[RUNSTATE_running] + - offset; - - preempt_enable(); - - return ret; -} - - /* Get the TSC speed from Xen */ -unsigned long xen_tsc_khz(void) +static unsigned long xen_tsc_khz(void) { struct pvclock_vcpu_time_info *info = &HYPERVISOR_shared_info->vcpu_info[0].time; @@ -230,7 +192,7 @@ static void xen_read_wallclock(struct timespec *ts) put_cpu_var(xen_vcpu); } -unsigned long xen_get_wallclock(void) +static unsigned long xen_get_wallclock(void) { struct timespec ts; @@ -238,7 +200,7 @@ unsigned long xen_get_wallclock(void) return ts.tv_sec; } -int xen_set_wallclock(unsigned long now) +static int xen_set_wallclock(unsigned long now) { /* do nothing for domU */ return -1; @@ -473,7 +435,11 @@ void xen_timer_resume(void) } } -__init void xen_time_init(void) +static const struct pv_time_ops xen_time_ops __initdata = { + .sched_clock = xen_clocksource_read, +}; + +static __init void xen_time_init(void) { int cpu = smp_processor_id(); struct timespec tp; @@ -497,3 +463,47 @@ __init void xen_time_init(void) xen_setup_timer(cpu); xen_setup_cpu_clockevents(); } + +__init void xen_init_time_ops(void) +{ + pv_time_ops = xen_time_ops; + + x86_init.timers.timer_init = xen_time_init; + x86_init.timers.setup_percpu_clockev = x86_init_noop; + x86_cpuinit.setup_percpu_clockev = x86_init_noop; + + x86_platform.calibrate_tsc = xen_tsc_khz; + x86_platform.get_wallclock = xen_get_wallclock; + x86_platform.set_wallclock = xen_set_wallclock; +} + +#ifdef CONFIG_XEN_PVHVM +static void xen_hvm_setup_cpu_clockevents(void) +{ + int cpu = smp_processor_id(); + xen_setup_runstate_info(cpu); + xen_setup_timer(cpu); + xen_setup_cpu_clockevents(); +} + +__init void xen_hvm_init_time_ops(void) +{ + /* vector callback is needed otherwise we cannot receive interrupts + * on cpu > 0 */ + if (!xen_have_vector_callback && num_present_cpus() > 1) + return; + if (!xen_feature(XENFEAT_hvm_safe_pvclock)) { + printk(KERN_INFO "Xen doesn't support pvclock on HVM," + "disable pv timer\n"); + return; + } + + pv_time_ops = xen_time_ops; + x86_init.timers.setup_percpu_clockev = xen_time_init; + x86_cpuinit.setup_percpu_clockev = xen_hvm_setup_cpu_clockevents; + + x86_platform.calibrate_tsc = xen_tsc_khz; + x86_platform.get_wallclock = xen_get_wallclock; + x86_platform.set_wallclock = xen_set_wallclock; +} +#endif diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index f9153a300bc..7c8ab86163e 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -38,6 +38,10 @@ void xen_enable_sysenter(void); void xen_enable_syscall(void); void xen_vcpu_restore(void); +void xen_callback_vector(void); +void xen_hvm_init_shared_info(void); +void __init xen_unplug_emulated_devices(void); + void __init xen_build_dynamic_phys_to_machine(void); void xen_init_irq_ops(void); @@ -46,11 +50,8 @@ void xen_setup_runstate_info(int cpu); void xen_teardown_timer(int cpu); cycle_t xen_clocksource_read(void); void xen_setup_cpu_clockevents(void); -unsigned long xen_tsc_khz(void); -void __init xen_time_init(void); -unsigned long xen_get_wallclock(void); -int xen_set_wallclock(unsigned long time); -unsigned long long xen_sched_clock(void); +void __init xen_init_time_ops(void); +void __init xen_hvm_init_time_ops(void); irqreturn_t xen_debug_interrupt(int irq, void *dev_id); @@ -101,4 +102,6 @@ void xen_sysret32(void); void xen_sysret64(void); void xen_adjust_exception_frame(void); +extern int xen_panic_handler_init(void); + #endif /* XEN_OPS_H */ |