diff options
128 files changed, 930 insertions, 655 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 16a5c5f2c6a..69f19f10314 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2813,38 +2813,19 @@ F: Documentation/gpio.txt F: drivers/gpio/ F: include/linux/gpio* +GRE DEMULTIPLEXER DRIVER +M: Dmitry Kozlov <xeb@mail.ru> +L: netdev@vger.kernel.org +S: Maintained +F: net/ipv4/gre.c +F: include/net/gre.h + GRETH 10/100/1G Ethernet MAC device driver M: Kristoffer Glembo <kristoffer@gaisler.com> L: netdev@vger.kernel.org S: Maintained F: drivers/net/greth* -HARD DRIVE ACTIVE PROTECTION SYSTEM (HDAPS) DRIVER -M: Frank Seidel <frank@f-seidel.de> -L: platform-driver-x86@vger.kernel.org -W: http://www.kernel.org/pub/linux/kernel/people/fseidel/hdaps/ -S: Maintained -F: drivers/platform/x86/hdaps.c - -HWPOISON MEMORY FAILURE HANDLING -M: Andi Kleen <andi@firstfloor.org> -L: linux-mm@kvack.org -T: git git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6.git hwpoison -S: Maintained -F: mm/memory-failure.c -F: mm/hwpoison-inject.c - -HYPERVISOR VIRTUAL CONSOLE DRIVER -L: linuxppc-dev@lists.ozlabs.org -S: Odd Fixes -F: drivers/tty/hvc/ - -iSCSI BOOT FIRMWARE TABLE (iBFT) DRIVER -M: Peter Jones <pjones@redhat.com> -M: Konrad Rzeszutek Wilk <konrad@kernel.org> -S: Maintained -F: drivers/firmware/iscsi_ibft* - GSPCA FINEPIX SUBDRIVER M: Frank Zago <frank@zago.net> L: linux-media@vger.kernel.org @@ -2895,6 +2876,26 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6.git S: Maintained F: drivers/media/video/gspca/ +HARD DRIVE ACTIVE PROTECTION SYSTEM (HDAPS) DRIVER +M: Frank Seidel <frank@f-seidel.de> +L: platform-driver-x86@vger.kernel.org +W: http://www.kernel.org/pub/linux/kernel/people/fseidel/hdaps/ +S: Maintained +F: drivers/platform/x86/hdaps.c + +HWPOISON MEMORY FAILURE HANDLING +M: Andi Kleen <andi@firstfloor.org> +L: linux-mm@kvack.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6.git hwpoison +S: Maintained +F: mm/memory-failure.c +F: mm/hwpoison-inject.c + +HYPERVISOR VIRTUAL CONSOLE DRIVER +L: linuxppc-dev@lists.ozlabs.org +S: Odd Fixes +F: drivers/tty/hvc/ + HARDWARE MONITORING M: Jean Delvare <khali@linux-fr.org> M: Guenter Roeck <guenter.roeck@ericsson.com> @@ -3478,6 +3479,12 @@ F: Documentation/isapnp.txt F: drivers/pnp/isapnp/ F: include/linux/isapnp.h +iSCSI BOOT FIRMWARE TABLE (iBFT) DRIVER +M: Peter Jones <pjones@redhat.com> +M: Konrad Rzeszutek Wilk <konrad@kernel.org> +S: Maintained +F: drivers/firmware/iscsi_ibft* + ISCSI M: Mike Christie <michaelc@cs.wisc.edu> L: open-iscsi@googlegroups.com @@ -4989,6 +4996,13 @@ F: Documentation/pps/ F: drivers/pps/ F: include/linux/pps*.h +PPTP DRIVER +M: Dmitry Kozlov <xeb@mail.ru> +L: netdev@vger.kernel.org +S: Maintained +F: drivers/net/pptp.c +W: http://sourceforge.net/projects/accel-pptp + PREEMPTIBLE KERNEL M: Robert Love <rml@tech9.net> L: kpreempt-tech@lists.sourceforge.net @@ -7024,20 +7038,6 @@ M: "Maciej W. Rozycki" <macro@linux-mips.org> S: Maintained F: drivers/tty/serial/zs.* -GRE DEMULTIPLEXER DRIVER -M: Dmitry Kozlov <xeb@mail.ru> -L: netdev@vger.kernel.org -S: Maintained -F: net/ipv4/gre.c -F: include/net/gre.h - -PPTP DRIVER -M: Dmitry Kozlov <xeb@mail.ru> -L: netdev@vger.kernel.org -S: Maintained -F: drivers/net/pptp.c -W: http://sourceforge.net/projects/accel-pptp - THE REST M: Linus Torvalds <torvalds@linux-foundation.org> L: linux-kernel@vger.kernel.org diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index 8ebbb511c78..0c6852d9350 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -74,7 +74,7 @@ ZTEXTADDR := $(CONFIG_ZBOOT_ROM_TEXT) ZBSSADDR := $(CONFIG_ZBOOT_ROM_BSS) else ZTEXTADDR := 0 -ZBSSADDR := ALIGN(4) +ZBSSADDR := ALIGN(8) endif SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/ diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index adf583cd0c3..49f5b2eaaa8 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -179,15 +179,14 @@ not_angel: bl cache_on restart: adr r0, LC0 - ldmia r0, {r1, r2, r3, r5, r6, r9, r11, r12} - ldr sp, [r0, #32] + ldmia r0, {r1, r2, r3, r6, r9, r11, r12} + ldr sp, [r0, #28] /* * We might be running at a different address. We need * to fix up various pointers. */ sub r0, r0, r1 @ calculate the delta offset - add r5, r5, r0 @ _start add r6, r6, r0 @ _edata #ifndef CONFIG_ZBOOT_ROM @@ -206,31 +205,40 @@ restart: adr r0, LC0 /* * Check to see if we will overwrite ourselves. * r4 = final kernel address - * r5 = start of this image * r9 = size of decompressed image * r10 = end of this image, including bss/stack/malloc space if non XIP * We basically want: - * r4 >= r10 -> OK - * r4 + image length <= r5 -> OK + * r4 - 16k page directory >= r10 -> OK + * r4 + image length <= current position (pc) -> OK */ + add r10, r10, #16384 cmp r4, r10 bhs wont_overwrite add r10, r4, r9 - cmp r10, r5 + ARM( cmp r10, pc ) + THUMB( mov lr, pc ) + THUMB( cmp r10, lr ) bls wont_overwrite /* * Relocate ourselves past the end of the decompressed kernel. - * r5 = start of this image * r6 = _edata * r10 = end of the decompressed kernel * Because we always copy ahead, we need to do it from the end and go * backward in case the source and destination overlap. */ - /* Round up to next 256-byte boundary. */ - add r10, r10, #256 + /* + * Bump to the next 256-byte boundary with the size of + * the relocation code added. This avoids overwriting + * ourself when the offset is small. + */ + add r10, r10, #((reloc_code_end - restart + 256) & ~255) bic r10, r10, #255 + /* Get start of code we want to copy and align it down. */ + adr r5, restart + bic r5, r5, #31 + sub r9, r6, r5 @ size to copy add r9, r9, #31 @ rounded up to a multiple bic r9, r9, #31 @ ... of 32 bytes @@ -245,6 +253,11 @@ restart: adr r0, LC0 /* Preserve offset to relocated code. */ sub r6, r9, r6 +#ifndef CONFIG_ZBOOT_ROM + /* cache_clean_flush may use the stack, so relocate it */ + add sp, sp, r6 +#endif + bl cache_clean_flush adr r0, BSYM(restart) @@ -333,7 +346,6 @@ not_relocated: mov r0, #0 LC0: .word LC0 @ r1 .word __bss_start @ r2 .word _end @ r3 - .word _start @ r5 .word _edata @ r6 .word _image_size @ r9 .word _got_start @ r11 @@ -1062,6 +1074,7 @@ memdump: mov r12, r0 #endif .ltorg +reloc_code_end: .align .section ".stack", "aw", %nobits diff --git a/arch/arm/boot/compressed/vmlinux.lds.in b/arch/arm/boot/compressed/vmlinux.lds.in index 5309909d728..ea80abe7884 100644 --- a/arch/arm/boot/compressed/vmlinux.lds.in +++ b/arch/arm/boot/compressed/vmlinux.lds.in @@ -54,6 +54,7 @@ SECTIONS .bss : { *(.bss) } _end = .; + . = ALIGN(8); /* the stack must be 64-bit aligned */ .stack : { *(.stack) } .stab 0 : { *(.stab) } diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index 885be097769..832888d0c20 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -159,7 +159,7 @@ extern unsigned int user_debug; #include <mach/barriers.h> #elif defined(CONFIG_ARM_DMA_MEM_BUFFERABLE) || defined(CONFIG_SMP) #define mb() do { dsb(); outer_sync(); } while (0) -#define rmb() dmb() +#define rmb() dsb() #define wmb() mb() #else #include <asm/memory.h> diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index cb839831764..0340224cf73 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -597,19 +597,13 @@ setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info, return err; } -static inline void setup_syscall_restart(struct pt_regs *regs) -{ - regs->ARM_r0 = regs->ARM_ORIG_r0; - regs->ARM_pc -= thumb_mode(regs) ? 2 : 4; -} - /* * OK, we're invoking a handler */ static int handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, - struct pt_regs * regs, int syscall) + struct pt_regs * regs) { struct thread_info *thread = current_thread_info(); struct task_struct *tsk = current; @@ -617,26 +611,6 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, int ret; /* - * If we were from a system call, check for system call restarting... - */ - if (syscall) { - switch (regs->ARM_r0) { - case -ERESTART_RESTARTBLOCK: - case -ERESTARTNOHAND: - regs->ARM_r0 = -EINTR; - break; - case -ERESTARTSYS: - if (!(ka->sa.sa_flags & SA_RESTART)) { - regs->ARM_r0 = -EINTR; - break; - } - /* fallthrough */ - case -ERESTARTNOINTR: - setup_syscall_restart(regs); - } - } - - /* * translate the signal */ if (usig < 32 && thread->exec_domain && thread->exec_domain->signal_invmap) @@ -685,6 +659,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, */ static void do_signal(struct pt_regs *regs, int syscall) { + unsigned int retval = 0, continue_addr = 0, restart_addr = 0; struct k_sigaction ka; siginfo_t info; int signr; @@ -698,18 +673,61 @@ static void do_signal(struct pt_regs *regs, int syscall) if (!user_mode(regs)) return; + /* + * If we were from a system call, check for system call restarting... + */ + if (syscall) { + continue_addr = regs->ARM_pc; + restart_addr = continue_addr - (thumb_mode(regs) ? 2 : 4); + retval = regs->ARM_r0; + + /* + * Prepare for system call restart. We do this here so that a + * debugger will see the already changed PSW. + */ + switch (retval) { + case -ERESTARTNOHAND: + case -ERESTARTSYS: + case -ERESTARTNOINTR: + regs->ARM_r0 = regs->ARM_ORIG_r0; + regs->ARM_pc = restart_addr; + break; + case -ERESTART_RESTARTBLOCK: + regs->ARM_r0 = -EINTR; + break; + } + } + if (try_to_freeze()) goto no_signal; + /* + * Get the signal to deliver. When running under ptrace, at this + * point the debugger may change all our registers ... + */ signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { sigset_t *oldset; + /* + * Depending on the signal settings we may need to revert the + * decision to restart the system call. But skip this if a + * debugger has chosen to restart at a different PC. + */ + if (regs->ARM_pc == restart_addr) { + if (retval == -ERESTARTNOHAND + || (retval == -ERESTARTSYS + && !(ka.sa.sa_flags & SA_RESTART))) { + regs->ARM_r0 = -EINTR; + regs->ARM_pc = continue_addr; + } + } + if (test_thread_flag(TIF_RESTORE_SIGMASK)) oldset = ¤t->saved_sigmask; else oldset = ¤t->blocked; - if (handle_signal(signr, &ka, &info, oldset, regs, syscall) == 0) { + if (handle_signal(signr, &ka, &info, oldset, regs) == 0) { /* * A signal was successfully delivered; the saved * sigmask will have been stored in the signal frame, @@ -723,11 +741,14 @@ static void do_signal(struct pt_regs *regs, int syscall) } no_signal: - /* - * No signal to deliver to the process - restart the syscall. - */ if (syscall) { - if (regs->ARM_r0 == -ERESTART_RESTARTBLOCK) { + /* + * Handle restarting a different system call. As above, + * if a debugger has chosen to restart at a different PC, + * ignore the restart. + */ + if (retval == -ERESTART_RESTARTBLOCK + && regs->ARM_pc == continue_addr) { if (thumb_mode(regs)) { regs->ARM_r7 = __NR_restart_syscall - __NR_SYSCALL_BASE; regs->ARM_pc -= 2; @@ -750,11 +771,6 @@ static void do_signal(struct pt_regs *regs, int syscall) #endif } } - if (regs->ARM_r0 == -ERESTARTNOHAND || - regs->ARM_r0 == -ERESTARTSYS || - regs->ARM_r0 == -ERESTARTNOINTR) { - setup_syscall_restart(regs); - } /* If there's no signal to deliver, we just put the saved sigmask * back. diff --git a/arch/arm/mach-realview/include/mach/barriers.h b/arch/arm/mach-realview/include/mach/barriers.h index 0c5d749d7b5..9a732195aa1 100644 --- a/arch/arm/mach-realview/include/mach/barriers.h +++ b/arch/arm/mach-realview/include/mach/barriers.h @@ -4,5 +4,5 @@ * operation to deadlock the system. */ #define mb() dsb() -#define rmb() dmb() +#define rmb() dsb() #define wmb() mb() diff --git a/arch/arm/mach-tegra/include/mach/barriers.h b/arch/arm/mach-tegra/include/mach/barriers.h index cc115174899..425b42e91ef 100644 --- a/arch/arm/mach-tegra/include/mach/barriers.h +++ b/arch/arm/mach-tegra/include/mach/barriers.h @@ -23,7 +23,7 @@ #include <asm/outercache.h> -#define rmb() dmb() +#define rmb() dsb() #define wmb() do { dsb(); outer_sync(); } while (0) #define mb() wmb() diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index e5f6fc42834..e591513bb53 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -392,7 +392,7 @@ free_memmap(unsigned long start_pfn, unsigned long end_pfn) * Convert start_pfn/end_pfn to a struct page pointer. */ start_pg = pfn_to_page(start_pfn - 1) + 1; - end_pg = pfn_to_page(end_pfn); + end_pg = pfn_to_page(end_pfn - 1) + 1; /* * Convert to physical addresses, and @@ -426,6 +426,14 @@ static void __init free_unused_memmap(struct meminfo *mi) bank_start = bank_pfn_start(bank); +#ifdef CONFIG_SPARSEMEM + /* + * Take care not to free memmap entries that don't exist + * due to SPARSEMEM sections which aren't present. + */ + bank_start = min(bank_start, + ALIGN(prev_bank_end, PAGES_PER_SECTION)); +#endif /* * If we had a previous bank, and there is a space * between the current bank and the previous, free it. @@ -440,6 +448,12 @@ static void __init free_unused_memmap(struct meminfo *mi) */ prev_bank_end = ALIGN(bank_pfn_end(bank), MAX_ORDER_NR_PAGES); } + +#ifdef CONFIG_SPARSEMEM + if (!IS_ALIGNED(prev_bank_end, PAGES_PER_SECTION)) + free_memmap(prev_bank_end, + ALIGN(prev_bank_end, PAGES_PER_SECTION)); +#endif } static void __init free_highpages(void) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 8e256cc5dcd..351c80fbba7 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -997,9 +997,6 @@ config IRQ_GT641XX config IRQ_GIC bool -config IRQ_CPU_OCTEON - bool - config MIPS_BOARDS_GEN bool @@ -1359,8 +1356,6 @@ config CPU_SB1 config CPU_CAVIUM_OCTEON bool "Cavium Octeon processor" depends on SYS_HAS_CPU_CAVIUM_OCTEON - select IRQ_CPU - select IRQ_CPU_OCTEON select CPU_HAS_PREFETCH select CPU_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_SMP diff --git a/arch/mips/alchemy/devboards/db1x00/board_setup.c b/arch/mips/alchemy/devboards/db1x00/board_setup.c index 05f120ff90f..5c956fe8760 100644 --- a/arch/mips/alchemy/devboards/db1x00/board_setup.c +++ b/arch/mips/alchemy/devboards/db1x00/board_setup.c @@ -127,13 +127,10 @@ const char *get_system_type(void) void __init board_setup(void) { unsigned long bcsr1, bcsr2; - u32 pin_func; bcsr1 = DB1000_BCSR_PHYS_ADDR; bcsr2 = DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS; - pin_func = 0; - #ifdef CONFIG_MIPS_DB1000 printk(KERN_INFO "AMD Alchemy Au1000/Db1000 Board\n"); #endif @@ -164,12 +161,16 @@ void __init board_setup(void) /* Not valid for Au1550 */ #if defined(CONFIG_IRDA) && \ (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100)) - /* Set IRFIRSEL instead of GPIO15 */ - pin_func = au_readl(SYS_PINFUNC) | SYS_PF_IRF; - au_writel(pin_func, SYS_PINFUNC); - /* Power off until the driver is in use */ - bcsr_mod(BCSR_RESETS, BCSR_RESETS_IRDA_MODE_MASK, - BCSR_RESETS_IRDA_MODE_OFF); + { + u32 pin_func; + + /* Set IRFIRSEL instead of GPIO15 */ + pin_func = au_readl(SYS_PINFUNC) | SYS_PF_IRF; + au_writel(pin_func, SYS_PINFUNC); + /* Power off until the driver is in use */ + bcsr_mod(BCSR_RESETS, BCSR_RESETS_IRDA_MODE_MASK, + BCSR_RESETS_IRDA_MODE_OFF); + } #endif bcsr_write(BCSR_PCMCIA, 0); /* turn off PCMCIA power */ @@ -177,31 +178,35 @@ void __init board_setup(void) alchemy_gpio1_input_enable(); #ifdef CONFIG_MIPS_MIRAGE - /* GPIO[20] is output */ - alchemy_gpio_direction_output(20, 0); + { + u32 pin_func; - /* Set GPIO[210:208] instead of SSI_0 */ - pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0; + /* GPIO[20] is output */ + alchemy_gpio_direction_output(20, 0); - /* Set GPIO[215:211] for LEDs */ - pin_func |= 5 << 2; + /* Set GPIO[210:208] instead of SSI_0 */ + pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0; - /* Set GPIO[214:213] for more LEDs */ - pin_func |= 5 << 12; + /* Set GPIO[215:211] for LEDs */ + pin_func |= 5 << 2; - /* Set GPIO[207:200] instead of PCMCIA/LCD */ - pin_func |= SYS_PF_LCD | SYS_PF_PC; - au_writel(pin_func, SYS_PINFUNC); + /* Set GPIO[214:213] for more LEDs */ + pin_func |= 5 << 12; - /* - * Enable speaker amplifier. This should - * be part of the audio driver. - */ - alchemy_gpio_direction_output(209, 1); + /* Set GPIO[207:200] instead of PCMCIA/LCD */ + pin_func |= SYS_PF_LCD | SYS_PF_PC; + au_writel(pin_func, SYS_PINFUNC); - pm_power_off = mirage_power_off; - _machine_halt = mirage_power_off; - _machine_restart = (void(*)(char *))mips_softreset; + /* + * Enable speaker amplifier. This should + * be part of the audio driver. + */ + alchemy_gpio_direction_output(209, 1); + + pm_power_off = mirage_power_off; + _machine_halt = mirage_power_off; + _machine_restart = (void(*)(char *))mips_softreset; + } #endif #ifdef CONFIG_MIPS_BOSPORUS diff --git a/arch/mips/alchemy/xxs1500/init.c b/arch/mips/alchemy/xxs1500/init.c index 15125c2fda7..34a90a4bb6f 100644 --- a/arch/mips/alchemy/xxs1500/init.c +++ b/arch/mips/alchemy/xxs1500/init.c @@ -51,10 +51,9 @@ void __init prom_init(void) prom_init_cmdline(); memsize_str = prom_getenv("memsize"); - if (!memsize_str) + if (!memsize_str || strict_strtoul(memsize_str, 0, &memsize)) memsize = 0x04000000; - else - strict_strtoul(memsize_str, 0, &memsize); + add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c b/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c index 88c9d963be8..9a6243676e2 100644 --- a/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c +++ b/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c @@ -16,8 +16,8 @@ int main(int argc, char *argv[]) { + unsigned long long vmlinux_size, vmlinux_load_addr, vmlinuz_load_addr; struct stat sb; - uint64_t vmlinux_size, vmlinux_load_addr, vmlinuz_load_addr; if (argc != 3) { fprintf(stderr, "Usage: %s <pathname> <vmlinux_load_addr>\n", diff --git a/arch/mips/cavium-octeon/Kconfig b/arch/mips/cavium-octeon/Kconfig index caae2285816..cad555ebeca 100644 --- a/arch/mips/cavium-octeon/Kconfig +++ b/arch/mips/cavium-octeon/Kconfig @@ -1,11 +1,7 @@ -config CAVIUM_OCTEON_SPECIFIC_OPTIONS - bool "Enable Octeon specific options" - depends on CPU_CAVIUM_OCTEON - default "y" +if CPU_CAVIUM_OCTEON config CAVIUM_CN63XXP1 bool "Enable CN63XXP1 errata worarounds" - depends on CAVIUM_OCTEON_SPECIFIC_OPTIONS default "n" help The CN63XXP1 chip requires build time workarounds to @@ -16,7 +12,6 @@ config CAVIUM_CN63XXP1 config CAVIUM_OCTEON_2ND_KERNEL bool "Build the kernel to be used as a 2nd kernel on the same chip" - depends on CAVIUM_OCTEON_SPECIFIC_OPTIONS default "n" help This option configures this kernel to be linked at a different @@ -26,7 +21,6 @@ config CAVIUM_OCTEON_2ND_KERNEL config CAVIUM_OCTEON_HW_FIX_UNALIGNED bool "Enable hardware fixups of unaligned loads and stores" - depends on CAVIUM_OCTEON_SPECIFIC_OPTIONS default "y" help Configure the Octeon hardware to automatically fix unaligned loads @@ -38,7 +32,6 @@ config CAVIUM_OCTEON_HW_FIX_UNALIGNED config CAVIUM_OCTEON_CVMSEG_SIZE int "Number of L1 cache lines reserved for CVMSEG memory" - depends on CAVIUM_OCTEON_SPECIFIC_OPTIONS range 0 54 default 1 help @@ -50,7 +43,6 @@ config CAVIUM_OCTEON_CVMSEG_SIZE config CAVIUM_OCTEON_LOCK_L2 bool "Lock often used kernel code in the L2" - depends on CAVIUM_OCTEON_SPECIFIC_OPTIONS default "y" help Enable locking parts of the kernel into the L2 cache. @@ -93,7 +85,6 @@ config CAVIUM_OCTEON_LOCK_L2_MEMCPY config ARCH_SPARSEMEM_ENABLE def_bool y select SPARSEMEM_STATIC - depends on CPU_CAVIUM_OCTEON config CAVIUM_OCTEON_HELPER def_bool y @@ -107,6 +98,8 @@ config NEED_SG_DMA_LENGTH config SWIOTLB def_bool y - depends on CPU_CAVIUM_OCTEON select IOMMU_HELPER select NEED_SG_DMA_LENGTH + + +endif # CPU_CAVIUM_OCTEON diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h index 650ac9ba734..b4db69fbc40 100644 --- a/arch/mips/include/asm/cache.h +++ b/arch/mips/include/asm/cache.h @@ -17,6 +17,6 @@ #define SMP_CACHE_SHIFT L1_CACHE_SHIFT #define SMP_CACHE_BYTES L1_CACHE_BYTES -#define __read_mostly __attribute__((__section__(".data.read_mostly"))) +#define __read_mostly __attribute__((__section__(".data..read_mostly"))) #endif /* _ASM_CACHE_H */ diff --git a/arch/mips/include/asm/cevt-r4k.h b/arch/mips/include/asm/cevt-r4k.h index fa4328f9124..65f9bdd02f1 100644 --- a/arch/mips/include/asm/cevt-r4k.h +++ b/arch/mips/include/asm/cevt-r4k.h @@ -14,6 +14,9 @@ #ifndef __ASM_CEVT_R4K_H #define __ASM_CEVT_R4K_H +#include <linux/clockchips.h> +#include <asm/time.h> + DECLARE_PER_CPU(struct clock_event_device, mips_clockevent_device); void mips_event_handler(struct clock_event_device *dev); diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h index f5e85601532..c565b7c3f0b 100644 --- a/arch/mips/include/asm/hugetlb.h +++ b/arch/mips/include/asm/hugetlb.h @@ -70,6 +70,7 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { + flush_tlb_mm(vma->vm_mm); } static inline int huge_pte_none(pte_t pte) diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h b/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h index 32978d32561..ed72e6a26b7 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm963xx_tag.h @@ -88,7 +88,7 @@ struct bcm_tag { char kernel_crc[CRC_LEN]; /* 228-235: Unused at present */ char reserved1[8]; - /* 236-239: CRC32 of header excluding tagVersion */ + /* 236-239: CRC32 of header excluding last 20 bytes */ char header_crc[CRC_LEN]; /* 240-255: Unused at present */ char reserved2[16]; diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c index 9ce9f64cb76..2d8e447cb82 100644 --- a/arch/mips/jazz/jazzdma.c +++ b/arch/mips/jazz/jazzdma.c @@ -211,7 +211,7 @@ EXPORT_SYMBOL(vdma_free); */ int vdma_remap(unsigned long laddr, unsigned long paddr, unsigned long size) { - int first, pages, npages; + int first, pages; if (laddr > 0xffffff) { if (vdma_debug) @@ -228,8 +228,7 @@ int vdma_remap(unsigned long laddr, unsigned long paddr, unsigned long size) return -EINVAL; /* invalid physical address */ } - npages = pages = - (((paddr & (VDMA_PAGESIZE - 1)) + size) >> 12) + 1; + pages = (((paddr & (VDMA_PAGESIZE - 1)) + size) >> 12) + 1; first = laddr >> 12; if (vdma_debug) printk("vdma_remap: first=%x, pages=%x\n", first, pages); diff --git a/arch/mips/jz4740/dma.c b/arch/mips/jz4740/dma.c index 5ebe75a6835..d7feb898692 100644 --- a/arch/mips/jz4740/dma.c +++ b/arch/mips/jz4740/dma.c @@ -242,9 +242,7 @@ EXPORT_SYMBOL_GPL(jz4740_dma_get_residue); static void jz4740_dma_chan_irq(struct jz4740_dma_chan *dma) { - uint32_t status; - - status = jz4740_dma_read(JZ_REG_DMA_STATUS_CTRL(dma->id)); + (void) jz4740_dma_read(JZ_REG_DMA_STATUS_CTRL(dma->id)); jz4740_dma_write_mask(JZ_REG_DMA_STATUS_CTRL(dma->id), 0, JZ_DMA_STATUS_CTRL_ENABLE | JZ_DMA_STATUS_CTRL_TRANSFER_DONE); diff --git a/arch/mips/jz4740/time.c b/arch/mips/jz4740/time.c index fe01678d94f..eaa853a54af 100644 --- a/arch/mips/jz4740/time.c +++ b/arch/mips/jz4740/time.c @@ -89,7 +89,7 @@ static int jz4740_clockevent_set_next(unsigned long evt, static struct clock_event_device jz4740_clockevent = { .name = "jz4740-timer", - .features = CLOCK_EVT_FEAT_PERIODIC, + .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, .set_next_event = jz4740_clockevent_set_next, .set_mode = jz4740_clockevent_set_mode, .rating = 200, diff --git a/arch/mips/jz4740/timer.c b/arch/mips/jz4740/timer.c index b2c01512905..654d5c3900b 100644 --- a/arch/mips/jz4740/timer.c +++ b/arch/mips/jz4740/timer.c @@ -27,11 +27,13 @@ void jz4740_timer_enable_watchdog(void) { writel(BIT(16), jz4740_timer_base + JZ_REG_TIMER_STOP_CLEAR); } +EXPORT_SYMBOL_GPL(jz4740_timer_enable_watchdog); void jz4740_timer_disable_watchdog(void) { writel(BIT(16), jz4740_timer_base + JZ_REG_TIMER_STOP_SET); } +EXPORT_SYMBOL_GPL(jz4740_timer_disable_watchdog); void __init jz4740_timer_init(void) { diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c index 94ca2b018af..feb8021a305 100644 --- a/arch/mips/kernel/ftrace.c +++ b/arch/mips/kernel/ftrace.c @@ -23,6 +23,7 @@ #define JAL 0x0c000000 /* jump & link: ip --> ra, jump to target */ #define ADDR_MASK 0x03ffffff /* op_code|addr : 31...26|25 ....0 */ +#define JUMP_RANGE_MASK ((1UL << 28) - 1) #define INSN_NOP 0x00000000 /* nop */ #define INSN_JAL(addr) \ @@ -44,12 +45,12 @@ static inline void ftrace_dyn_arch_init_insns(void) /* jal (ftrace_caller + 8), jump over the first two instruction */ buf = (u32 *)&insn_jal_ftrace_caller; - uasm_i_jal(&buf, (FTRACE_ADDR + 8)); + uasm_i_jal(&buf, (FTRACE_ADDR + 8) & JUMP_RANGE_MASK); #ifdef CONFIG_FUNCTION_GRAPH_TRACER /* j ftrace_graph_caller */ buf = (u32 *)&insn_j_ftrace_graph_caller; - uasm_i_j(&buf, (unsigned long)ftrace_graph_caller); + uasm_i_j(&buf, (unsigned long)ftrace_graph_caller & JUMP_RANGE_MASK); #endif } diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index d21c388c011..584e6b55c86 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -540,8 +540,8 @@ asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit) secure_computing(regs->regs[2]); if (unlikely(current->audit_context) && entryexit) - audit_syscall_exit(AUDITSC_RESULT(regs->regs[2]), - regs->regs[2]); + audit_syscall_exit(AUDITSC_RESULT(regs->regs[7]), + -regs->regs[2]); if (!(current->ptrace & PT_PTRACED)) goto out; diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 7f5468b38d4..7f1377eb22d 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -565,7 +565,7 @@ einval: li v0, -ENOSYS sys sys_ioprio_get 2 /* 4315 */ sys sys_utimensat 4 sys sys_signalfd 3 - sys sys_ni_syscall 0 + sys sys_ni_syscall 0 /* was timerfd */ sys sys_eventfd 1 sys sys_fallocate 6 /* 4320 */ sys sys_timerfd_create 2 diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index a2e1fcbc41d..7c0ef7f128b 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -404,7 +404,7 @@ sys_call_table: PTR sys_ioprio_get PTR sys_utimensat /* 5275 */ PTR sys_signalfd - PTR sys_ni_syscall + PTR sys_ni_syscall /* was timerfd */ PTR sys_eventfd PTR sys_fallocate PTR sys_timerfd_create /* 5280 */ diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index b2c7624995b..de6c5563bea 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -403,7 +403,7 @@ EXPORT(sysn32_call_table) PTR sys_ioprio_get PTR compat_sys_utimensat PTR compat_sys_signalfd /* 6280 */ - PTR sys_ni_syscall + PTR sys_ni_syscall /* was timerfd */ PTR sys_eventfd PTR sys_fallocate PTR sys_timerfd_create diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 049a9c8c49a..b0541dda883 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -522,7 +522,7 @@ sys_call_table: PTR sys_ioprio_get /* 4315 */ PTR compat_sys_utimensat PTR compat_sys_signalfd - PTR sys_ni_syscall + PTR sys_ni_syscall /* was timerfd */ PTR sys_eventfd PTR sys32_fallocate /* 4320 */ PTR sys_timerfd_create diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S index 832afbb8758..e4b0b0bec03 100644 --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -74,6 +74,7 @@ SECTIONS INIT_TASK_DATA(PAGE_SIZE) NOSAVE_DATA CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT) + READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT) DATA_DATA CONSTRUCTORS } diff --git a/arch/mips/loongson/common/env.c b/arch/mips/loongson/common/env.c index 11b193f848f..d93830ad611 100644 --- a/arch/mips/loongson/common/env.c +++ b/arch/mips/loongson/common/env.c @@ -29,9 +29,10 @@ unsigned long memsize, highmemsize; #define parse_even_earlier(res, option, p) \ do { \ - int ret; \ + unsigned int tmp __maybe_unused; \ + \ if (strncmp(option, (char *)p, strlen(option)) == 0) \ - ret = strict_strtol((char *)p + strlen(option"="), 10, &res); \ + tmp = strict_strtol((char *)p + strlen(option"="), 10, &res); \ } while (0) void __init prom_init_env(void) diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index b4923a75cb4..71bddf8f7d2 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -1075,7 +1075,6 @@ static int __cpuinit probe_scache(void) unsigned long flags, addr, begin, end, pow2; unsigned int config = read_c0_config(); struct cpuinfo_mips *c = ¤t_cpu_data; - int tmp; if (config & CONF_SC) return 0; @@ -1108,7 +1107,6 @@ static int __cpuinit probe_scache(void) /* Now search for the wrap around point. */ pow2 = (128 * 1024); - tmp = 0; for (addr = begin + (128 * 1024); addr < end; addr = begin + pow2) { cache_op(Index_Load_Tag_SD, addr); __asm__ __volatile__("nop; nop; nop; nop;"); /* hazard... */ diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 5ef294fbb6e..f5734c2c809 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -1151,8 +1151,8 @@ static void __cpuinit build_r4000_tlb_refill_handler(void) struct uasm_reloc *r = relocs; u32 *f; unsigned int final_len; - struct mips_huge_tlb_info htlb_info; - enum vmalloc64_mode vmalloc_mode; + struct mips_huge_tlb_info htlb_info __maybe_unused; + enum vmalloc64_mode vmalloc_mode __maybe_unused; memset(tlb_handler, 0, sizeof(tlb_handler)); memset(labels, 0, sizeof(labels)); diff --git a/arch/mips/mti-malta/malta-init.c b/arch/mips/mti-malta/malta-init.c index 414f0c99b19..31180c321a1 100644 --- a/arch/mips/mti-malta/malta-init.c +++ b/arch/mips/mti-malta/malta-init.c @@ -193,8 +193,6 @@ extern struct plat_smp_ops msmtc_smp_ops; void __init prom_init(void) { - int result; - prom_argc = fw_arg0; _prom_argv = (int *) fw_arg1; _prom_envp = (int *) fw_arg2; @@ -360,20 +358,14 @@ void __init prom_init(void) #ifdef CONFIG_SERIAL_8250_CONSOLE console_config(); #endif - /* Early detection of CMP support */ - result = gcmp_probe(GCMP_BASE_ADDR, GCMP_ADDRSPACE_SZ); - #ifdef CONFIG_MIPS_CMP - if (result) + /* Early detection of CMP support */ + if (gcmp_probe(GCMP_BASE_ADDR, GCMP_ADDRSPACE_SZ)) register_smp_ops(&cmp_smp_ops); + else #endif #ifdef CONFIG_MIPS_MT_SMP -#ifdef CONFIG_MIPS_CMP - if (!result) register_smp_ops(&vsmp_smp_ops); -#else - register_smp_ops(&vsmp_smp_ops); -#endif #endif #ifdef CONFIG_MIPS_MT_SMTC register_smp_ops(&msmtc_smp_ops); diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c index 9027061f0ea..e85c977328d 100644 --- a/arch/mips/mti-malta/malta-int.c +++ b/arch/mips/mti-malta/malta-int.c @@ -56,7 +56,6 @@ static DEFINE_RAW_SPINLOCK(mips_irq_lock); static inline int mips_pcibios_iack(void) { int irq; - u32 dummy; /* * Determine highest priority pending interrupt by performing @@ -83,7 +82,7 @@ static inline int mips_pcibios_iack(void) BONITO_PCIMAP_CFG = 0x20000; /* Flush Bonito register block */ - dummy = BONITO_PCIMAP_CFG; + (void) BONITO_PCIMAP_CFG; iob(); /* sync */ irq = __raw_readl((u32 *)_pcictrl_bonito_pcicfg); diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c index f9b9dcdfa9d..98fd0099d96 100644 --- a/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c +++ b/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c @@ -97,7 +97,7 @@ static int msp_per_irq_set_affinity(struct irq_data *d, static struct irq_chip msp_per_irq_controller = { .name = "MSP_PER", - .irq_enable = unmask_per_irq. + .irq_enable = unmask_per_irq, .irq_disable = mask_per_irq, .irq_ack = msp_per_irq_ack, #ifdef CONFIG_SMP diff --git a/arch/mips/power/hibernate.S b/arch/mips/power/hibernate.S index dbb5c7b4b70..f8a751c0328 100644 --- a/arch/mips/power/hibernate.S +++ b/arch/mips/power/hibernate.S @@ -35,7 +35,7 @@ LEAF(swsusp_arch_resume) 0: PTR_L t1, PBE_ADDRESS(t0) /* source */ PTR_L t2, PBE_ORIG_ADDRESS(t0) /* destination */ - PTR_ADDIU t3, t1, PAGE_SIZE + PTR_ADDU t3, t1, PAGE_SIZE 1: REG_L t8, (t1) REG_S t8, (t2) diff --git a/arch/mips/sgi-ip22/ip22-platform.c b/arch/mips/sgi-ip22/ip22-platform.c index deddbf0ebe5..698904daf90 100644 --- a/arch/mips/sgi-ip22/ip22-platform.c +++ b/arch/mips/sgi-ip22/ip22-platform.c @@ -132,7 +132,7 @@ static struct platform_device eth1_device = { */ static int __init sgiseeq_devinit(void) { - unsigned int tmp; + unsigned int pbdma __maybe_unused; int res, i; eth0_pd.hpc = hpc3c0; @@ -151,7 +151,7 @@ static int __init sgiseeq_devinit(void) /* Second HPC is missing? */ if (ip22_is_fullhouse() || - get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1])) + get_dbe(pbdma, (unsigned int *)&hpc3c1->pbdma[1])) return 0; sgimc->giopar |= SGIMC_GIOPAR_MASTEREXP1 | SGIMC_GIOPAR_EXP164 | diff --git a/arch/mips/sgi-ip22/ip22-time.c b/arch/mips/sgi-ip22/ip22-time.c index 603fc91c103..1a94c989418 100644 --- a/arch/mips/sgi-ip22/ip22-time.c +++ b/arch/mips/sgi-ip22/ip22-time.c @@ -32,7 +32,7 @@ static unsigned long dosample(void) { u32 ct0, ct1; - u8 msb, lsb; + u8 msb; /* Start the counter. */ sgint->tcword = (SGINT_TCWORD_CNT2 | SGINT_TCWORD_CALL | @@ -46,7 +46,7 @@ static unsigned long dosample(void) /* Latch and spin until top byte of counter2 is zero */ do { writeb(SGINT_TCWORD_CNT2 | SGINT_TCWORD_CLAT, &sgint->tcword); - lsb = readb(&sgint->tcnt2); + (void) readb(&sgint->tcnt2); msb = readb(&sgint->tcnt2); ct1 = read_c0_count(); } while (msb); diff --git a/arch/mips/sgi-ip27/ip27-hubio.c b/arch/mips/sgi-ip27/ip27-hubio.c index a1fa4abb3f6..cd0d5b06cd8 100644 --- a/arch/mips/sgi-ip27/ip27-hubio.c +++ b/arch/mips/sgi-ip27/ip27-hubio.c @@ -29,7 +29,6 @@ unsigned long hub_pio_map(cnodeid_t cnode, xwidgetnum_t widget, unsigned long xtalk_addr, size_t size) { nasid_t nasid = COMPACT_TO_NASID_NODEID(cnode); - volatile hubreg_t junk; unsigned i; /* use small-window mapping if possible */ @@ -64,7 +63,7 @@ unsigned long hub_pio_map(cnodeid_t cnode, xwidgetnum_t widget, * after we write it. */ IIO_ITTE_PUT(nasid, i, HUB_PIO_MAP_TO_MEM, widget, xtalk_addr); - junk = HUB_L(IIO_ITTE_GET(nasid, i)); + (void) HUB_L(IIO_ITTE_GET(nasid, i)); return NODE_BWIN_BASE(nasid, widget) + (xtalk_addr % BWIN_SIZE); } diff --git a/arch/mips/sgi-ip27/ip27-klnuma.c b/arch/mips/sgi-ip27/ip27-klnuma.c index c3d30a88daf..1d1919a44e8 100644 --- a/arch/mips/sgi-ip27/ip27-klnuma.c +++ b/arch/mips/sgi-ip27/ip27-klnuma.c @@ -54,11 +54,8 @@ void __init setup_replication_mask(void) static __init void set_ktext_source(nasid_t client_nasid, nasid_t server_nasid) { - cnodeid_t client_cnode; kern_vars_t *kvp; - client_cnode = NASID_TO_COMPACT_NODEID(client_nasid); - kvp = &hub_data(client_nasid)->kern_vars; KERN_VARS_ADDR(client_nasid) = (unsigned long)kvp; diff --git a/arch/mips/sni/time.c b/arch/mips/sni/time.c index c76151b5656..0904d4d30cb 100644 --- a/arch/mips/sni/time.c +++ b/arch/mips/sni/time.c @@ -95,7 +95,7 @@ static void __init sni_a20r_timer_setup(void) static __init unsigned long dosample(void) { u32 ct0, ct1; - volatile u8 msb, lsb; + volatile u8 msb; /* Start the counter. */ outb_p(0x34, 0x43); @@ -108,7 +108,7 @@ static __init unsigned long dosample(void) /* Latch and spin until top byte of counter0 is zero */ do { outb(0x00, 0x43); - lsb = inb(0x40); + (void) inb(0x40); msb = inb(0x40); ct1 = read_c0_count(); } while (msb); diff --git a/arch/s390/include/asm/diag.h b/arch/s390/include/asm/diag.h index 72b2e2f2d32..7e91c58072e 100644 --- a/arch/s390/include/asm/diag.h +++ b/arch/s390/include/asm/diag.h @@ -9,9 +9,22 @@ #define _ASM_S390_DIAG_H /* - * Diagnose 10: Release pages + * Diagnose 10: Release page range */ -extern void diag10(unsigned long addr); +static inline void diag10_range(unsigned long start_pfn, unsigned long num_pfn) +{ + unsigned long start_addr, end_addr; + + start_addr = start_pfn << PAGE_SHIFT; + end_addr = (start_pfn + num_pfn - 1) << PAGE_SHIFT; + + asm volatile( + "0: diag %0,%1,0x10\n" + "1:\n" + EX_TABLE(0b, 1b) + EX_TABLE(1b, 1b) + : : "a" (start_addr), "a" (end_addr)); +} /* * Diagnose 14: Input spool file manipulation diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h index a6f0e7cc9cd..8c277caa8d3 100644 --- a/arch/s390/include/asm/mmu_context.h +++ b/arch/s390/include/asm/mmu_context.h @@ -23,7 +23,7 @@ static inline int init_new_context(struct task_struct *tsk, #ifdef CONFIG_64BIT mm->context.asce_bits |= _ASCE_TYPE_REGION3; #endif - if (current->mm->context.alloc_pgste) { + if (current->mm && current->mm->context.alloc_pgste) { /* * alloc_pgste indicates, that any NEW context will be created * with extended page tables. The old context is unchanged. The diff --git a/arch/s390/kernel/diag.c b/arch/s390/kernel/diag.c index c032d11da8a..8237fc07ac7 100644 --- a/arch/s390/kernel/diag.c +++ b/arch/s390/kernel/diag.c @@ -9,27 +9,6 @@ #include <asm/diag.h> /* - * Diagnose 10: Release pages - */ -void diag10(unsigned long addr) -{ - if (addr >= 0x7ff00000) - return; - asm volatile( -#ifdef CONFIG_64BIT - " sam31\n" - " diag %0,%0,0x10\n" - "0: sam64\n" -#else - " diag %0,%0,0x10\n" - "0:\n" -#endif - EX_TABLE(0b, 0b) - : : "a" (addr)); -} -EXPORT_SYMBOL(diag10); - -/* * Diagnose 14: Input spool file manipulation */ int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode) diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c index c83726c9fe0..3d4a78fc1ad 100644 --- a/arch/s390/kernel/dis.c +++ b/arch/s390/kernel/dis.c @@ -672,6 +672,7 @@ static struct insn opcode_b2[] = { { "rp", 0x77, INSTR_S_RD }, { "stcke", 0x78, INSTR_S_RD }, { "sacf", 0x79, INSTR_S_RD }, + { "spp", 0x80, INSTR_S_RD }, { "stsi", 0x7d, INSTR_S_RD }, { "srnm", 0x99, INSTR_S_RD }, { "stfpc", 0x9c, INSTR_S_RD }, diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 648f64239a9..1b67fc6ebdc 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -836,7 +836,7 @@ restart_base: stosm __SF_EMPTY(%r15),0x04 # now we can turn dat on basr %r14,0 l %r14,restart_addr-.(%r14) - br %r14 # branch to start_secondary + basr %r14,%r14 # branch to start_secondary restart_addr: .long start_secondary .align 8 diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 9d3603d6c51..9fd86456349 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -841,7 +841,7 @@ restart_base: mvc __LC_SYSTEM_TIMER(8),__TI_system_timer(%r1) xc __LC_STEAL_TIMER(8),__LC_STEAL_TIMER stosm __SF_EMPTY(%r15),0x04 # now we can turn dat on - jg start_secondary + brasl %r14,start_secondary .align 8 restart_vtime: .long 0x7fffffff,0xffffffff diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c index c66ffd8dbbb..1f1dba9dcf5 100644 --- a/arch/s390/mm/cmm.c +++ b/arch/s390/mm/cmm.c @@ -91,7 +91,7 @@ static long cmm_alloc_pages(long nr, long *counter, } else free_page((unsigned long) npa); } - diag10(addr); + diag10_range(addr >> PAGE_SHIFT, 1); pa->pages[pa->index++] = addr; (*counter)++; spin_unlock(&cmm_lock); diff --git a/arch/s390/oprofile/hwsampler.c b/arch/s390/oprofile/hwsampler.c index 4952872d6f0..33cbd373cce 100644 --- a/arch/s390/oprofile/hwsampler.c +++ b/arch/s390/oprofile/hwsampler.c @@ -1021,20 +1021,14 @@ deallocate_exit: return rc; } -long hwsampler_query_min_interval(void) +unsigned long hwsampler_query_min_interval(void) { - if (min_sampler_rate) - return min_sampler_rate; - else - return -EINVAL; + return min_sampler_rate; } -long hwsampler_query_max_interval(void) +unsigned long hwsampler_query_max_interval(void) { - if (max_sampler_rate) - return max_sampler_rate; - else - return -EINVAL; + return max_sampler_rate; } unsigned long hwsampler_get_sample_overflow_count(unsigned int cpu) diff --git a/arch/s390/oprofile/hwsampler.h b/arch/s390/oprofile/hwsampler.h index 8c72b59316b..1912f3bb190 100644 --- a/arch/s390/oprofile/hwsampler.h +++ b/arch/s390/oprofile/hwsampler.h @@ -102,8 +102,8 @@ int hwsampler_setup(void); int hwsampler_shutdown(void); int hwsampler_allocate(unsigned long sdbt, unsigned long sdb); int hwsampler_deallocate(void); -long hwsampler_query_min_interval(void); -long hwsampler_query_max_interval(void); +unsigned long hwsampler_query_min_interval(void); +unsigned long hwsampler_query_max_interval(void); int hwsampler_start_all(unsigned long interval); int hwsampler_stop_all(void); int hwsampler_deactivate(unsigned int cpu); diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c index c63d7e58352..5995e9bc72d 100644 --- a/arch/s390/oprofile/init.c +++ b/arch/s390/oprofile/init.c @@ -145,15 +145,11 @@ static int oprofile_hwsampler_init(struct oprofile_operations *ops) * create hwsampler files only if hwsampler_setup() succeeds. */ oprofile_min_interval = hwsampler_query_min_interval(); - if (oprofile_min_interval < 0) { - oprofile_min_interval = 0; + if (oprofile_min_interval == 0) return -ENODEV; - } oprofile_max_interval = hwsampler_query_max_interval(); - if (oprofile_max_interval < 0) { - oprofile_max_interval = 0; + if (oprofile_max_interval == 0) return -ENODEV; - } if (oprofile_timer_init(ops)) return -ENODEV; diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c index f679c57644d..1e34f29e58b 100644 --- a/arch/sparc/kernel/apc.c +++ b/arch/sparc/kernel/apc.c @@ -165,7 +165,7 @@ static int __devinit apc_probe(struct platform_device *op) return 0; } -static struct of_device_id __initdata apc_match[] = { +static struct of_device_id apc_match[] = { { .name = APC_OBPNAME, }, diff --git a/arch/sparc/kernel/pmc.c b/arch/sparc/kernel/pmc.c index 93d7b4465f8..6a585d39358 100644 --- a/arch/sparc/kernel/pmc.c +++ b/arch/sparc/kernel/pmc.c @@ -69,7 +69,7 @@ static int __devinit pmc_probe(struct platform_device *op) return 0; } -static struct of_device_id __initdata pmc_match[] = { +static struct of_device_id pmc_match[] = { { .name = PMC_OBPNAME, }, diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c index 91c10fb7085..850a1360c0d 100644 --- a/arch/sparc/kernel/smp_32.c +++ b/arch/sparc/kernel/smp_32.c @@ -53,6 +53,7 @@ cpumask_t smp_commenced_mask = CPU_MASK_NONE; void __cpuinit smp_store_cpu_info(int id) { int cpu_node; + int mid; cpu_data(id).udelay_val = loops_per_jiffy; @@ -60,10 +61,13 @@ void __cpuinit smp_store_cpu_info(int id) cpu_data(id).clock_tick = prom_getintdefault(cpu_node, "clock-frequency", 0); cpu_data(id).prom_node = cpu_node; - cpu_data(id).mid = cpu_get_hwmid(cpu_node); + mid = cpu_get_hwmid(cpu_node); - if (cpu_data(id).mid < 0) - panic("No MID found for CPU%d at node 0x%08d", id, cpu_node); + if (mid < 0) { + printk(KERN_NOTICE "No MID found for CPU%d at node 0x%08d", id, cpu_node); + mid = 0; + } + cpu_data(id).mid = mid; } void __init smp_cpus_done(unsigned int max_cpus) diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c index 4e236391b63..96046a4024c 100644 --- a/arch/sparc/kernel/time_32.c +++ b/arch/sparc/kernel/time_32.c @@ -168,7 +168,7 @@ static int __devinit clock_probe(struct platform_device *op) return 0; } -static struct of_device_id __initdata clock_match[] = { +static struct of_device_id clock_match[] = { { .name = "eeprom", }, diff --git a/arch/sparc/lib/checksum_32.S b/arch/sparc/lib/checksum_32.S index 3632cb34e91..0084c3361e1 100644 --- a/arch/sparc/lib/checksum_32.S +++ b/arch/sparc/lib/checksum_32.S @@ -289,10 +289,16 @@ cc_end_cruft: /* Also, handle the alignment code out of band. */ cc_dword_align: - cmp %g1, 6 - bl,a ccte + cmp %g1, 16 + bge 1f + srl %g1, 1, %o3 +2: cmp %o3, 0 + be,a ccte andcc %g1, 0xf, %o3 - andcc %o0, 0x1, %g0 + andcc %o3, %o0, %g0 ! Check %o0 only (%o1 has the same last 2 bits) + be,a 2b + srl %o3, 1, %o3 +1: andcc %o0, 0x1, %g0 bne ccslow andcc %o0, 0x2, %g0 be 1f diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c index 4bce801bc58..c77111eca6a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c +++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c @@ -42,7 +42,8 @@ nouveau_sgdma_populate(struct ttm_backend *be, unsigned long num_pages, nvbe->nr_pages = 0; while (num_pages--) { - if (dma_addrs[nvbe->nr_pages] != DMA_ERROR_CODE) { + /* this code path isn't called and is incorrect anyways */ + if (0) { /*dma_addrs[nvbe->nr_pages] != DMA_ERROR_CODE)*/ nvbe->pages[nvbe->nr_pages] = dma_addrs[nvbe->nr_pages]; nvbe->ttm_alloced[nvbe->nr_pages] = true; diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 7aade20f63a..3d8a7634bbe 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -674,7 +674,7 @@ static void cayman_gpu_init(struct radeon_device *rdev) cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE); cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG); - cgts_tcc_disable = RREG32(CGTS_TCC_DISABLE); + cgts_tcc_disable = 0xff000000; gc_user_rb_backend_disable = RREG32(GC_USER_RB_BACKEND_DISABLE); gc_user_shader_pipe_config = RREG32(GC_USER_SHADER_PIPE_CONFIG); cgts_user_tcc_disable = RREG32(CGTS_USER_TCC_DISABLE); @@ -871,7 +871,7 @@ static void cayman_gpu_init(struct radeon_device *rdev) smx_dc_ctl0 = RREG32(SMX_DC_CTL0); smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff); - smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets); + smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets); WREG32(SMX_DC_CTL0, smx_dc_ctl0); WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE); @@ -887,20 +887,20 @@ static void cayman_gpu_init(struct radeon_device *rdev) WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO); - WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) | - POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) | - SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1))); + WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) | + POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) | + SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1))); - WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) | - SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) | - SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size))); + WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) | + SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) | + SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size))); WREG32(VGT_NUM_INSTANCES, 1); WREG32(CP_PERFMON_CNTL, 0); - WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) | + WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) | FETCH_FIFO_HIWATER(0x4) | DONE_FIFO_HIWATER(0xe0) | ALU_UPDATE_FIFO_HIWATER(0x8))); diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c index 8a955bbdb60..a533f52fd16 100644 --- a/drivers/gpu/drm/radeon/radeon_gart.c +++ b/drivers/gpu/drm/radeon/radeon_gart.c @@ -181,9 +181,9 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset, p = t / (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); for (i = 0; i < pages; i++, p++) { - /* On TTM path, we only use the DMA API if TTM_PAGE_FLAG_DMA32 - * is requested. */ - if (dma_addr[i] != DMA_ERROR_CODE) { + /* we reverted the patch using dma_addr in TTM for now but this + * code stops building on alpha so just comment it out for now */ + if (0) { /*dma_addr[i] != DMA_ERROR_CODE) */ rdev->gart.ttm_alloced[p] = true; rdev->gart.pages_addr[p] = dma_addr[i]; } else { diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c index d4a851c6b5b..0b4d5b23bec 100644 --- a/drivers/mfd/asic3.c +++ b/drivers/mfd/asic3.c @@ -144,7 +144,7 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc) int iter, i; unsigned long flags; - data->chip->irq_ack(irq_data); + data->chip->irq_ack(data); for (iter = 0 ; iter < MAX_ASIC_ISR_LOOPS; iter++) { u32 status; diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 2e165117457..3ab9ffa00aa 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -717,14 +717,14 @@ static int usbhs_enable(struct device *dev) gpio_request(pdata->ehci_data->reset_gpio_port[0], "USB1 PHY reset"); gpio_direction_output - (pdata->ehci_data->reset_gpio_port[0], 1); + (pdata->ehci_data->reset_gpio_port[0], 0); } if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[1])) { gpio_request(pdata->ehci_data->reset_gpio_port[1], "USB2 PHY reset"); gpio_direction_output - (pdata->ehci_data->reset_gpio_port[1], 1); + (pdata->ehci_data->reset_gpio_port[1], 0); } /* Hold the PHY in RESET for enough time till DIR is high */ @@ -904,11 +904,11 @@ static int usbhs_enable(struct device *dev) if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[0])) gpio_set_value - (pdata->ehci_data->reset_gpio_port[0], 0); + (pdata->ehci_data->reset_gpio_port[0], 1); if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[1])) gpio_set_value - (pdata->ehci_data->reset_gpio_port[1], 0); + (pdata->ehci_data->reset_gpio_port[1], 1); } end_count: diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c index 16422de0823..2c0d4d16491 100644 --- a/drivers/mfd/twl4030-power.c +++ b/drivers/mfd/twl4030-power.c @@ -447,12 +447,13 @@ static int __init load_twl4030_script(struct twl4030_script *tscript, if (err) goto out; } - if (tscript->flags & TWL4030_SLEEP_SCRIPT) + if (tscript->flags & TWL4030_SLEEP_SCRIPT) { if (order) pr_warning("TWL4030: Bad order of scripts (sleep "\ "script before wakeup) Leads to boot"\ "failure on some boards\n"); err = twl4030_config_sleep_sequence(address); + } out: return err; } diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index dc280bc8eba..6c884ef1b06 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2536,7 +2536,7 @@ config S6GMAC source "drivers/net/stmmac/Kconfig" config PCH_GBE - tristate "PCH Gigabit Ethernet" + tristate "Intel EG20T PCH / OKI SEMICONDUCTOR ML7223 IOH GbE" depends on PCI select MII ---help--- @@ -2548,6 +2548,12 @@ config PCH_GBE to Gigabit Ethernet. This driver enables Gigabit Ethernet function. + This driver also can be used for OKI SEMICONDUCTOR IOH(Input/ + Output Hub), ML7223. + ML7223 IOH is for MP(Media Phone) use. + ML7223 is companion chip for Intel Atom E6xx series. + ML7223 is completely compatible for Intel EG20T PCH. + endif # NETDEV_1000 # diff --git a/drivers/net/arm/etherh.c b/drivers/net/arm/etherh.c index 4af235d41fd..fbfb5b47c50 100644 --- a/drivers/net/arm/etherh.c +++ b/drivers/net/arm/etherh.c @@ -527,7 +527,7 @@ static void __init etherh_banner(void) * Read the ethernet address string from the on board rom. * This is an ascii string... */ -static int __init etherh_addr(char *addr, struct expansion_card *ec) +static int __devinit etherh_addr(char *addr, struct expansion_card *ec) { struct in_chunk_dir cd; char *s; @@ -655,7 +655,7 @@ static const struct net_device_ops etherh_netdev_ops = { static u32 etherh_regoffsets[16]; static u32 etherm_regoffsets[16]; -static int __init +static int __devinit etherh_probe(struct expansion_card *ec, const struct ecard_id *id) { const struct etherh_data *data = id->data; diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h index 66823eded7a..2353eca3259 100644 --- a/drivers/net/benet/be.h +++ b/drivers/net/benet/be.h @@ -213,7 +213,7 @@ struct be_rx_stats { struct be_rx_compl_info { u32 rss_hash; - u16 vid; + u16 vlan_tag; u16 pkt_size; u16 rxq_idx; u16 mac_id; diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c index 1e2d825bb94..9dc9394fd4c 100644 --- a/drivers/net/benet/be_cmds.c +++ b/drivers/net/benet/be_cmds.c @@ -132,7 +132,7 @@ static void be_async_grp5_pvid_state_process(struct be_adapter *adapter, struct be_async_event_grp5_pvid_state *evt) { if (evt->enabled) - adapter->pvid = evt->tag; + adapter->pvid = le16_to_cpu(evt->tag); else adapter->pvid = 0; } diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c index 02a0443d182..9187fb4e08f 100644 --- a/drivers/net/benet/be_main.c +++ b/drivers/net/benet/be_main.c @@ -1018,7 +1018,8 @@ static void be_rx_compl_process(struct be_adapter *adapter, kfree_skb(skb); return; } - vlan_hwaccel_receive_skb(skb, adapter->vlan_grp, rxcp->vid); + vlan_hwaccel_receive_skb(skb, adapter->vlan_grp, + rxcp->vlan_tag); } else { netif_receive_skb(skb); } @@ -1076,7 +1077,8 @@ static void be_rx_compl_process_gro(struct be_adapter *adapter, if (likely(!rxcp->vlanf)) napi_gro_frags(&eq_obj->napi); else - vlan_gro_frags(&eq_obj->napi, adapter->vlan_grp, rxcp->vid); + vlan_gro_frags(&eq_obj->napi, adapter->vlan_grp, + rxcp->vlan_tag); } static void be_parse_rx_compl_v1(struct be_adapter *adapter, @@ -1102,7 +1104,8 @@ static void be_parse_rx_compl_v1(struct be_adapter *adapter, rxcp->pkt_type = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, cast_enc, compl); rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtm, compl); - rxcp->vid = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vlan_tag, compl); + rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vlan_tag, + compl); } static void be_parse_rx_compl_v0(struct be_adapter *adapter, @@ -1128,7 +1131,8 @@ static void be_parse_rx_compl_v0(struct be_adapter *adapter, rxcp->pkt_type = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, cast_enc, compl); rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtm, compl); - rxcp->vid = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vlan_tag, compl); + rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vlan_tag, + compl); } static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) @@ -1155,9 +1159,11 @@ static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) rxcp->vlanf = 0; if (!lancer_chip(adapter)) - rxcp->vid = swab16(rxcp->vid); + rxcp->vlan_tag = swab16(rxcp->vlan_tag); - if ((adapter->pvid == rxcp->vid) && !adapter->vlan_tag[rxcp->vid]) + if (((adapter->pvid & VLAN_VID_MASK) == + (rxcp->vlan_tag & VLAN_VID_MASK)) && + !adapter->vlan_tag[rxcp->vlan_tag]) rxcp->vlanf = 0; /* As the compl has been parsed, reset it; we wont touch it again */ diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index a358ea9445a..f501bba1fc6 100644 --- a/drivers/net/can/sja1000/sja1000.c +++ b/drivers/net/can/sja1000/sja1000.c @@ -346,10 +346,10 @@ static void sja1000_rx(struct net_device *dev) | (priv->read_reg(priv, REG_ID2) >> 5); } + cf->can_dlc = get_can_dlc(fi & 0x0F); if (fi & FI_RTR) { id |= CAN_RTR_FLAG; } else { - cf->can_dlc = get_can_dlc(fi & 0x0F); for (i = 0; i < cf->can_dlc; i++) cf->data[i] = priv->read_reg(priv, dreg++); } diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index b423965a78d..1b49df6b247 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -583,7 +583,9 @@ static int slcan_open(struct tty_struct *tty) /* Done. We have linked the TTY line to a channel. */ rtnl_unlock(); tty->receive_room = 65536; /* We don't flow control */ - return sl->dev->base_addr; + + /* TTY layer expects 0 on success */ + return 0; err_free_chan: sl->tty = NULL; diff --git a/drivers/net/ehea/ehea_ethtool.c b/drivers/net/ehea/ehea_ethtool.c index 3e2e734fecb..f3bbdcef338 100644 --- a/drivers/net/ehea/ehea_ethtool.c +++ b/drivers/net/ehea/ehea_ethtool.c @@ -55,15 +55,20 @@ static int ehea_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) cmd->duplex = -1; } - cmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full - | SUPPORTED_100baseT_Full | SUPPORTED_100baseT_Half - | SUPPORTED_10baseT_Full | SUPPORTED_10baseT_Half - | SUPPORTED_Autoneg | SUPPORTED_FIBRE); - - cmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_Autoneg - | ADVERTISED_FIBRE); + if (cmd->speed == SPEED_10000) { + cmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); + cmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE); + cmd->port = PORT_FIBRE; + } else { + cmd->supported = (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full + | SUPPORTED_100baseT_Half | SUPPORTED_10baseT_Full + | SUPPORTED_10baseT_Half | SUPPORTED_Autoneg + | SUPPORTED_TP); + cmd->advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg + | ADVERTISED_TP); + cmd->port = PORT_TP; + } - cmd->port = PORT_FIBRE; cmd->autoneg = port->autoneg == 1 ? AUTONEG_ENABLE : AUTONEG_DISABLE; return 0; diff --git a/drivers/net/pch_gbe/pch_gbe_main.c b/drivers/net/pch_gbe/pch_gbe_main.c index 2ef2f9cdefa..56d049a472d 100644 --- a/drivers/net/pch_gbe/pch_gbe_main.c +++ b/drivers/net/pch_gbe/pch_gbe_main.c @@ -34,6 +34,10 @@ const char pch_driver_version[] = DRV_VERSION; #define PCH_GBE_COPYBREAK_DEFAULT 256 #define PCH_GBE_PCI_BAR 1 +/* Macros for ML7223 */ +#define PCI_VENDOR_ID_ROHM 0x10db +#define PCI_DEVICE_ID_ROHM_ML7223_GBE 0x8013 + #define PCH_GBE_TX_WEIGHT 64 #define PCH_GBE_RX_WEIGHT 64 #define PCH_GBE_RX_BUFFER_WRITE 16 @@ -43,8 +47,7 @@ const char pch_driver_version[] = DRV_VERSION; #define PCH_GBE_MAC_RGMII_CTRL_SETTING ( \ PCH_GBE_CHIP_TYPE_INTERNAL | \ - PCH_GBE_RGMII_MODE_RGMII | \ - PCH_GBE_CRS_SEL \ + PCH_GBE_RGMII_MODE_RGMII \ ) /* Ethertype field values */ @@ -1494,12 +1497,11 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter, /* Write meta date of skb */ skb_put(skb, length); skb->protocol = eth_type_trans(skb, netdev); - if ((tcp_ip_status & PCH_GBE_RXD_ACC_STAT_TCPIPOK) == - PCH_GBE_RXD_ACC_STAT_TCPIPOK) { - skb->ip_summed = CHECKSUM_UNNECESSARY; - } else { + if (tcp_ip_status & PCH_GBE_RXD_ACC_STAT_TCPIPOK) skb->ip_summed = CHECKSUM_NONE; - } + else + skb->ip_summed = CHECKSUM_UNNECESSARY; + napi_gro_receive(&adapter->napi, skb); (*work_done)++; pr_debug("Receive skb->ip_summed: %d length: %d\n", @@ -2420,6 +2422,13 @@ static DEFINE_PCI_DEVICE_TABLE(pch_gbe_pcidev_id) = { .class = (PCI_CLASS_NETWORK_ETHERNET << 8), .class_mask = (0xFFFF00) }, + {.vendor = PCI_VENDOR_ID_ROHM, + .device = PCI_DEVICE_ID_ROHM_ML7223_GBE, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .class = (PCI_CLASS_NETWORK_ETHERNET << 8), + .class_mask = (0xFFFF00) + }, /* required last entry */ {0} }; diff --git a/drivers/net/slip.c b/drivers/net/slip.c index 86cbb9ea2f2..8ec1a9a0bb9 100644 --- a/drivers/net/slip.c +++ b/drivers/net/slip.c @@ -853,7 +853,9 @@ static int slip_open(struct tty_struct *tty) /* Done. We have linked the TTY line to a channel. */ rtnl_unlock(); tty->receive_room = 65536; /* We don't flow control */ - return sl->dev->base_addr; + + /* TTY layer expects 0 on success */ + return 0; err_free_bufs: sl_free_bufs(sl); diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index a301479ecc6..c924ea2bce0 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -567,7 +567,7 @@ static const struct usb_device_id products [] = { { USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), - .driver_info = 0, + .driver_info = (unsigned long)&wwan_info, }, /* diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c index 7d42f9a2c06..81126ff85e0 100644 --- a/drivers/net/usb/ipheth.c +++ b/drivers/net/usb/ipheth.c @@ -65,6 +65,7 @@ #define IPHETH_USBINTF_PROTO 1 #define IPHETH_BUF_SIZE 1516 +#define IPHETH_IP_ALIGN 2 /* padding at front of URB */ #define IPHETH_TX_TIMEOUT (5 * HZ) #define IPHETH_INTFNUM 2 @@ -202,18 +203,21 @@ static void ipheth_rcvbulk_callback(struct urb *urb) return; } - len = urb->actual_length; - buf = urb->transfer_buffer; + if (urb->actual_length <= IPHETH_IP_ALIGN) { + dev->net->stats.rx_length_errors++; + return; + } + len = urb->actual_length - IPHETH_IP_ALIGN; + buf = urb->transfer_buffer + IPHETH_IP_ALIGN; - skb = dev_alloc_skb(NET_IP_ALIGN + len); + skb = dev_alloc_skb(len); if (!skb) { err("%s: dev_alloc_skb: -ENOMEM", __func__); dev->net->stats.rx_dropped++; return; } - skb_reserve(skb, NET_IP_ALIGN); - memcpy(skb_put(skb, len), buf + NET_IP_ALIGN, len - NET_IP_ALIGN); + memcpy(skb_put(skb, len), buf, len); skb->dev = dev->net; skb->protocol = eth_type_trans(skb, dev->net); diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 009bba3d753..9ab439d144e 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -645,6 +645,7 @@ int usbnet_stop (struct net_device *net) struct driver_info *info = dev->driver_info; int retval; + clear_bit(EVENT_DEV_OPEN, &dev->flags); netif_stop_queue (net); netif_info(dev, ifdown, dev->net, @@ -1524,9 +1525,12 @@ int usbnet_resume (struct usb_interface *intf) smp_mb(); clear_bit(EVENT_DEV_ASLEEP, &dev->flags); spin_unlock_irq(&dev->txq.lock); - if (!(dev->txq.qlen >= TX_QLEN(dev))) - netif_start_queue(dev->net); - tasklet_schedule (&dev->bh); + + if (test_bit(EVENT_DEV_OPEN, &dev->flags)) { + if (!(dev->txq.qlen >= TX_QLEN(dev))) + netif_start_queue(dev->net); + tasklet_schedule (&dev->bh); + } } return 0; } diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 0d47c3a0530..c16ed961153 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -178,6 +178,7 @@ static void vmxnet3_process_events(struct vmxnet3_adapter *adapter) { int i; + unsigned long flags; u32 events = le32_to_cpu(adapter->shared->ecr); if (!events) return; @@ -190,10 +191,10 @@ vmxnet3_process_events(struct vmxnet3_adapter *adapter) /* Check if there is an error on xmit/recv queues */ if (events & (VMXNET3_ECR_TQERR | VMXNET3_ECR_RQERR)) { - spin_lock(&adapter->cmd_lock); + spin_lock_irqsave(&adapter->cmd_lock, flags); VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_QUEUE_STATUS); - spin_unlock(&adapter->cmd_lock); + spin_unlock_irqrestore(&adapter->cmd_lock, flags); for (i = 0; i < adapter->num_tx_queues; i++) if (adapter->tqd_start[i].status.stopped) @@ -2733,13 +2734,14 @@ static void vmxnet3_alloc_intr_resources(struct vmxnet3_adapter *adapter) { u32 cfg; + unsigned long flags; /* intr settings */ - spin_lock(&adapter->cmd_lock); + spin_lock_irqsave(&adapter->cmd_lock, flags); VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD, VMXNET3_CMD_GET_CONF_INTR); cfg = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD); - spin_unlock(&adapter->cmd_lock); + spin_unlock_irqrestore(&adapter->cmd_lock, flags); adapter->intr.type = cfg & 0x3; adapter->intr.mask_mode = (cfg >> 2) & 0x3; diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index b3466c491cd..16512ecae31 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -46,6 +46,7 @@ static struct clk *rtc_clk; static void __iomem *s3c_rtc_base; static int s3c_rtc_alarmno = NO_IRQ; static int s3c_rtc_tickno = NO_IRQ; +static bool wake_en; static enum s3c_cpu_type s3c_rtc_cpu_type; static DEFINE_SPINLOCK(s3c_rtc_pie_lock); @@ -562,8 +563,12 @@ static int s3c_rtc_suspend(struct platform_device *pdev, pm_message_t state) } s3c_rtc_enable(pdev, 0); - if (device_may_wakeup(&pdev->dev)) - enable_irq_wake(s3c_rtc_alarmno); + if (device_may_wakeup(&pdev->dev) && !wake_en) { + if (enable_irq_wake(s3c_rtc_alarmno) == 0) + wake_en = true; + else + dev_err(&pdev->dev, "enable_irq_wake failed\n"); + } return 0; } @@ -579,8 +584,10 @@ static int s3c_rtc_resume(struct platform_device *pdev) writew(tmp | ticnt_en_save, s3c_rtc_base + S3C2410_RTCCON); } - if (device_may_wakeup(&pdev->dev)) + if (device_may_wakeup(&pdev->dev) && wake_en) { disable_irq_wake(s3c_rtc_alarmno); + wake_en = false; + } return 0; } diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 475e603fc58..86b6f1cc1b1 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1742,11 +1742,20 @@ int dasd_sleep_on_interruptible(struct dasd_ccw_req *cqr) static inline int _dasd_term_running_cqr(struct dasd_device *device) { struct dasd_ccw_req *cqr; + int rc; if (list_empty(&device->ccw_queue)) return 0; cqr = list_entry(device->ccw_queue.next, struct dasd_ccw_req, devlist); - return device->discipline->term_IO(cqr); + rc = device->discipline->term_IO(cqr); + if (!rc) + /* + * CQR terminated because a more important request is pending. + * Undo decreasing of retry counter because this is + * not an error case. + */ + cqr->retries++; + return rc; } int dasd_sleep_on_immediatly(struct dasd_ccw_req *cqr) diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c index 4b60ede07f0..be55fb2b1b1 100644 --- a/drivers/s390/char/sclp_cmd.c +++ b/drivers/s390/char/sclp_cmd.c @@ -518,6 +518,8 @@ static void __init insert_increment(u16 rn, int standby, int assigned) return; new_incr->rn = rn; new_incr->standby = standby; + if (!standby) + new_incr->usecount = 1; last_rn = 0; prev = &sclp_mem_list; list_for_each_entry(incr, &sclp_mem_list, list) { diff --git a/drivers/video/acornfb.c b/drivers/video/acornfb.c index 82acb8dc4aa..6183a57eb69 100644 --- a/drivers/video/acornfb.c +++ b/drivers/video/acornfb.c @@ -66,7 +66,7 @@ * have. Allow 1% either way on the nominal for TVs. */ #define NR_MONTYPES 6 -static struct fb_monspecs monspecs[NR_MONTYPES] __initdata = { +static struct fb_monspecs monspecs[NR_MONTYPES] __devinitdata = { { /* TV */ .hfmin = 15469, .hfmax = 15781, @@ -873,7 +873,7 @@ static struct fb_ops acornfb_ops = { /* * Everything after here is initialisation!!! */ -static struct fb_videomode modedb[] __initdata = { +static struct fb_videomode modedb[] __devinitdata = { { /* 320x256 @ 50Hz */ NULL, 50, 320, 256, 125000, 92, 62, 35, 19, 38, 2, FB_SYNC_COMP_HIGH_ACT, @@ -925,8 +925,7 @@ static struct fb_videomode modedb[] __initdata = { } }; -static struct fb_videomode __initdata -acornfb_default_mode = { +static struct fb_videomode acornfb_default_mode __devinitdata = { .name = NULL, .refresh = 60, .xres = 640, @@ -942,7 +941,7 @@ acornfb_default_mode = { .vmode = FB_VMODE_NONINTERLACED }; -static void __init acornfb_init_fbinfo(void) +static void __devinit acornfb_init_fbinfo(void) { static int first = 1; @@ -1018,8 +1017,7 @@ static void __init acornfb_init_fbinfo(void) * size can optionally be followed by 'M' or 'K' for * MB or KB respectively. */ -static void __init -acornfb_parse_mon(char *opt) +static void __devinit acornfb_parse_mon(char *opt) { char *p = opt; @@ -1066,8 +1064,7 @@ bad: current_par.montype = -1; } -static void __init -acornfb_parse_montype(char *opt) +static void __devinit acornfb_parse_montype(char *opt) { current_par.montype = -2; @@ -1108,8 +1105,7 @@ acornfb_parse_montype(char *opt) } } -static void __init -acornfb_parse_dram(char *opt) +static void __devinit acornfb_parse_dram(char *opt) { unsigned int size; @@ -1134,15 +1130,14 @@ acornfb_parse_dram(char *opt) static struct options { char *name; void (*parse)(char *opt); -} opt_table[] __initdata = { +} opt_table[] __devinitdata = { { "mon", acornfb_parse_mon }, { "montype", acornfb_parse_montype }, { "dram", acornfb_parse_dram }, { NULL, NULL } }; -int __init -acornfb_setup(char *options) +static int __devinit acornfb_setup(char *options) { struct options *optp; char *opt; @@ -1179,8 +1174,7 @@ acornfb_setup(char *options) * Detect type of monitor connected * For now, we just assume SVGA */ -static int __init -acornfb_detect_monitortype(void) +static int __devinit acornfb_detect_monitortype(void) { return 4; } diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 9fa08662a88..2a5404c1c42 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -819,7 +819,7 @@ int __ceph_caps_used(struct ceph_inode_info *ci) used |= CEPH_CAP_FILE_CACHE; if (ci->i_wr_ref) used |= CEPH_CAP_FILE_WR; - if (ci->i_wrbuffer_ref) + if (ci->i_wb_ref || ci->i_wrbuffer_ref) used |= CEPH_CAP_FILE_BUFFER; return used; } @@ -1990,11 +1990,11 @@ static void __take_cap_refs(struct ceph_inode_info *ci, int got) if (got & CEPH_CAP_FILE_WR) ci->i_wr_ref++; if (got & CEPH_CAP_FILE_BUFFER) { - if (ci->i_wrbuffer_ref == 0) + if (ci->i_wb_ref == 0) ihold(&ci->vfs_inode); - ci->i_wrbuffer_ref++; - dout("__take_cap_refs %p wrbuffer %d -> %d (?)\n", - &ci->vfs_inode, ci->i_wrbuffer_ref-1, ci->i_wrbuffer_ref); + ci->i_wb_ref++; + dout("__take_cap_refs %p wb %d -> %d (?)\n", + &ci->vfs_inode, ci->i_wb_ref-1, ci->i_wb_ref); } } @@ -2169,12 +2169,12 @@ void ceph_put_cap_refs(struct ceph_inode_info *ci, int had) if (--ci->i_rdcache_ref == 0) last++; if (had & CEPH_CAP_FILE_BUFFER) { - if (--ci->i_wrbuffer_ref == 0) { + if (--ci->i_wb_ref == 0) { last++; put++; } - dout("put_cap_refs %p wrbuffer %d -> %d (?)\n", - inode, ci->i_wrbuffer_ref+1, ci->i_wrbuffer_ref); + dout("put_cap_refs %p wb %d -> %d (?)\n", + inode, ci->i_wb_ref+1, ci->i_wb_ref); } if (had & CEPH_CAP_FILE_WR) if (--ci->i_wr_ref == 0) { diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 03d6dafda61..70b6a4839c3 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -355,6 +355,7 @@ struct inode *ceph_alloc_inode(struct super_block *sb) ci->i_rd_ref = 0; ci->i_rdcache_ref = 0; ci->i_wr_ref = 0; + ci->i_wb_ref = 0; ci->i_wrbuffer_ref = 0; ci->i_wrbuffer_ref_head = 0; ci->i_shared_gen = 0; diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index f60b07b0feb..d0fae4ce9ba 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -3304,8 +3304,8 @@ static void con_put(struct ceph_connection *con) { struct ceph_mds_session *s = con->private; + dout("mdsc con_put %p (%d)\n", s, atomic_read(&s->s_ref) - 1); ceph_put_mds_session(s); - dout("mdsc con_put %p (%d)\n", s, atomic_read(&s->s_ref)); } /* diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c index e86ec1155f8..24067d68a55 100644 --- a/fs/ceph/snap.c +++ b/fs/ceph/snap.c @@ -206,7 +206,7 @@ void ceph_put_snap_realm(struct ceph_mds_client *mdsc, up_write(&mdsc->snap_rwsem); } else { spin_lock(&mdsc->snap_empty_lock); - list_add(&mdsc->snap_empty, &realm->empty_item); + list_add(&realm->empty_item, &mdsc->snap_empty); spin_unlock(&mdsc->snap_empty_lock); } } diff --git a/fs/ceph/super.h b/fs/ceph/super.h index b1f1b8bb127..f5cabefa98d 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -293,7 +293,7 @@ struct ceph_inode_info { /* held references to caps */ int i_pin_ref; - int i_rd_ref, i_rdcache_ref, i_wr_ref; + int i_rd_ref, i_rdcache_ref, i_wr_ref, i_wb_ref; int i_wrbuffer_ref, i_wrbuffer_ref_head; u32 i_shared_gen; /* increment each time we get FILE_SHARED */ u32 i_rdcache_gen; /* incremented each time we get FILE_CACHE. */ diff --git a/fs/nilfs2/alloc.c b/fs/nilfs2/alloc.c index 0a0a66d98cc..f7684483785 100644 --- a/fs/nilfs2/alloc.c +++ b/fs/nilfs2/alloc.c @@ -646,7 +646,7 @@ int nilfs_palloc_freev(struct inode *inode, __u64 *entry_nrs, size_t nitems) unsigned long group, group_offset; int i, j, n, ret; - for (i = 0; i < nitems; i += n) { + for (i = 0; i < nitems; i = j) { group = nilfs_palloc_group(inode, entry_nrs[i], &group_offset); ret = nilfs_palloc_get_desc_block(inode, group, 0, &desc_bh); if (ret < 0) diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c index e4f9c1b0836..3e898a48122 100644 --- a/fs/xfs/linux-2.6/xfs_sync.c +++ b/fs/xfs/linux-2.6/xfs_sync.c @@ -926,6 +926,7 @@ restart: XFS_LOOKUP_BATCH, XFS_ICI_RECLAIM_TAG); if (!nr_found) { + done = 1; rcu_read_unlock(); break; } diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c index acdb92f14d5..5fc2380092c 100644 --- a/fs/xfs/xfs_trans_ail.c +++ b/fs/xfs/xfs_trans_ail.c @@ -346,20 +346,23 @@ xfs_ail_delete( */ STATIC void xfs_ail_worker( - struct work_struct *work) + struct work_struct *work) { - struct xfs_ail *ailp = container_of(to_delayed_work(work), + struct xfs_ail *ailp = container_of(to_delayed_work(work), struct xfs_ail, xa_work); - long tout; - xfs_lsn_t target = ailp->xa_target; - xfs_lsn_t lsn; - xfs_log_item_t *lip; - int flush_log, count, stuck; - xfs_mount_t *mp = ailp->xa_mount; + xfs_mount_t *mp = ailp->xa_mount; struct xfs_ail_cursor *cur = &ailp->xa_cursors; - int push_xfsbufd = 0; + xfs_log_item_t *lip; + xfs_lsn_t lsn; + xfs_lsn_t target; + long tout = 10; + int flush_log = 0; + int stuck = 0; + int count = 0; + int push_xfsbufd = 0; spin_lock(&ailp->xa_lock); + target = ailp->xa_target; xfs_trans_ail_cursor_init(ailp, cur); lip = xfs_trans_ail_cursor_first(ailp, cur, ailp->xa_last_pushed_lsn); if (!lip || XFS_FORCED_SHUTDOWN(mp)) { @@ -368,8 +371,7 @@ xfs_ail_worker( */ xfs_trans_ail_cursor_done(ailp, cur); spin_unlock(&ailp->xa_lock); - ailp->xa_last_pushed_lsn = 0; - return; + goto out_done; } XFS_STATS_INC(xs_push_ail); @@ -386,8 +388,7 @@ xfs_ail_worker( * lots of contention on the AIL lists. */ lsn = lip->li_lsn; - flush_log = stuck = count = 0; - while ((XFS_LSN_CMP(lip->li_lsn, target) < 0)) { + while ((XFS_LSN_CMP(lip->li_lsn, target) <= 0)) { int lock_result; /* * If we can lock the item without sleeping, unlock the AIL @@ -480,21 +481,25 @@ xfs_ail_worker( } /* assume we have more work to do in a short while */ - tout = 10; +out_done: if (!count) { /* We're past our target or empty, so idle */ ailp->xa_last_pushed_lsn = 0; /* - * Check for an updated push target before clearing the - * XFS_AIL_PUSHING_BIT. If the target changed, we've got more - * work to do. Wait a bit longer before starting that work. + * We clear the XFS_AIL_PUSHING_BIT first before checking + * whether the target has changed. If the target has changed, + * this pushes the requeue race directly onto the result of the + * atomic test/set bit, so we are guaranteed that either the + * the pusher that changed the target or ourselves will requeue + * the work (but not both). */ + clear_bit(XFS_AIL_PUSHING_BIT, &ailp->xa_flags); smp_rmb(); - if (ailp->xa_target == target) { - clear_bit(XFS_AIL_PUSHING_BIT, &ailp->xa_flags); + if (XFS_LSN_CMP(ailp->xa_target, target) == 0 || + test_and_set_bit(XFS_AIL_PUSHING_BIT, &ailp->xa_flags)) return; - } + tout = 50; } else if (XFS_LSN_CMP(lsn, target) >= 0) { /* @@ -553,7 +558,7 @@ xfs_ail_push( * the XFS_AIL_PUSHING_BIT. */ smp_wmb(); - ailp->xa_target = threshold_lsn; + xfs_trans_ail_copy_lsn(ailp, &ailp->xa_target, &threshold_lsn); if (!test_and_set_bit(XFS_AIL_PUSHING_BIT, &ailp->xa_flags)) queue_delayed_work(xfs_syncd_wq, &ailp->xa_work, 0); } diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index b8613e806aa..01eca1794e1 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -111,6 +111,8 @@ extern void *__alloc_bootmem_low_node(pg_data_t *pgdat, __alloc_bootmem_nopanic(x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) #define alloc_bootmem_node(pgdat, x) \ __alloc_bootmem_node(pgdat, x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) +#define alloc_bootmem_node_nopanic(pgdat, x) \ + __alloc_bootmem_node_nopanic(pgdat, x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) #define alloc_bootmem_pages_node(pgdat, x) \ __alloc_bootmem_node(pgdat, x, PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) #define alloc_bootmem_pages_node_nopanic(pgdat, x) \ diff --git a/include/linux/gfp.h b/include/linux/gfp.h index bfb8f934521..56d8fc87fbb 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -353,6 +353,8 @@ extern unsigned long get_zeroed_page(gfp_t gfp_mask); void *alloc_pages_exact(size_t size, gfp_t gfp_mask); void free_pages_exact(void *virt, size_t size); +/* This is different from alloc_pages_exact_node !!! */ +void *alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask); #define __get_free_page(gfp_mask) \ __get_free_pages((gfp_mask), 0) diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index d516f00c8e0..86aefed6140 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -791,6 +791,7 @@ struct ip_vs_app { /* IPVS in network namespace */ struct netns_ipvs { int gen; /* Generation */ + int enable; /* enable like nf_hooks do */ /* * Hash table: for real service lookups */ @@ -1089,6 +1090,22 @@ ip_vs_control_add(struct ip_vs_conn *cp, struct ip_vs_conn *ctl_cp) atomic_inc(&ctl_cp->n_control); } +/* + * IPVS netns init & cleanup functions + */ +extern int __ip_vs_estimator_init(struct net *net); +extern int __ip_vs_control_init(struct net *net); +extern int __ip_vs_protocol_init(struct net *net); +extern int __ip_vs_app_init(struct net *net); +extern int __ip_vs_conn_init(struct net *net); +extern int __ip_vs_sync_init(struct net *net); +extern void __ip_vs_conn_cleanup(struct net *net); +extern void __ip_vs_app_cleanup(struct net *net); +extern void __ip_vs_protocol_cleanup(struct net *net); +extern void __ip_vs_control_cleanup(struct net *net); +extern void __ip_vs_estimator_cleanup(struct net *net); +extern void __ip_vs_sync_cleanup(struct net *net); +extern void __ip_vs_service_cleanup(struct net *net); /* * IPVS application functions diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 6ae4bc5ce8a..20afeaa3939 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -324,6 +324,7 @@ struct xfrm_state_afinfo { int (*tmpl_sort)(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n); int (*state_sort)(struct xfrm_state **dst, struct xfrm_state **src, int n); int (*output)(struct sk_buff *skb); + int (*output_finish)(struct sk_buff *skb); int (*extract_input)(struct xfrm_state *x, struct sk_buff *skb); int (*extract_output)(struct xfrm_state *x, @@ -1454,6 +1455,7 @@ static inline int xfrm4_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi) extern int xfrm4_extract_output(struct xfrm_state *x, struct sk_buff *skb); extern int xfrm4_prepare_output(struct xfrm_state *x, struct sk_buff *skb); extern int xfrm4_output(struct sk_buff *skb); +extern int xfrm4_output_finish(struct sk_buff *skb); extern int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short family); extern int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family); extern int xfrm6_extract_header(struct sk_buff *skb); @@ -1470,6 +1472,7 @@ extern __be32 xfrm6_tunnel_spi_lookup(struct net *net, xfrm_address_t *saddr); extern int xfrm6_extract_output(struct xfrm_state *x, struct sk_buff *skb); extern int xfrm6_prepare_output(struct xfrm_state *x, struct sk_buff *skb); extern int xfrm6_output(struct sk_buff *skb); +extern int xfrm6_output_finish(struct sk_buff *skb); extern int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb, u8 **prevhdr); diff --git a/include/trace/events/gfpflags.h b/include/trace/events/gfpflags.h index e3615c09374..9fe3a36646e 100644 --- a/include/trace/events/gfpflags.h +++ b/include/trace/events/gfpflags.h @@ -10,6 +10,7 @@ */ #define show_gfp_flags(flags) \ (flags) ? __print_flags(flags, "|", \ + {(unsigned long)GFP_TRANSHUGE, "GFP_TRANSHUGE"}, \ {(unsigned long)GFP_HIGHUSER_MOVABLE, "GFP_HIGHUSER_MOVABLE"}, \ {(unsigned long)GFP_HIGHUSER, "GFP_HIGHUSER"}, \ {(unsigned long)GFP_USER, "GFP_USER"}, \ @@ -32,6 +33,9 @@ {(unsigned long)__GFP_HARDWALL, "GFP_HARDWALL"}, \ {(unsigned long)__GFP_THISNODE, "GFP_THISNODE"}, \ {(unsigned long)__GFP_RECLAIMABLE, "GFP_RECLAIMABLE"}, \ - {(unsigned long)__GFP_MOVABLE, "GFP_MOVABLE"} \ + {(unsigned long)__GFP_MOVABLE, "GFP_MOVABLE"}, \ + {(unsigned long)__GFP_NOTRACK, "GFP_NOTRACK"}, \ + {(unsigned long)__GFP_NO_KSWAPD, "GFP_NO_KSWAPD"}, \ + {(unsigned long)__GFP_OTHER_NODE, "GFP_OTHER_NODE"} \ ) : "GFP_NOWAIT" diff --git a/init/Kconfig b/init/Kconfig index d886b1e9278..7a71e0a9992 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1226,7 +1226,6 @@ config SLAB per cpu and per node queues. config SLUB - depends on BROKEN || NUMA || !DISCONTIGMEM bool "SLUB (Unqueued Allocator)" help SLUB is a slab allocator that minimizes cache line usage diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 8935369d503..6275970b218 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -216,7 +216,6 @@ int suspend_devices_and_enter(suspend_state_t state) goto Close; } suspend_console(); - pm_restrict_gfp_mask(); suspend_test_start(); error = dpm_suspend_start(PMSG_SUSPEND); if (error) { @@ -233,7 +232,6 @@ int suspend_devices_and_enter(suspend_state_t state) suspend_test_start(); dpm_resume_end(PMSG_RESUME); suspend_test_finish("resume devices"); - pm_restore_gfp_mask(); resume_console(); Close: if (suspend_ops->end) @@ -294,7 +292,9 @@ int enter_state(suspend_state_t state) goto Finish; pr_debug("PM: Entering %s sleep\n", pm_states[state]); + pm_restrict_gfp_mask(); error = suspend_devices_and_enter(state); + pm_restore_gfp_mask(); Finish: pr_debug("PM: Finishing wakeup.\n"); diff --git a/kernel/power/user.c b/kernel/power/user.c index c36c3b9e8a8..7d02d33be69 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -135,8 +135,10 @@ static int snapshot_release(struct inode *inode, struct file *filp) free_basic_memory_bitmaps(); data = filp->private_data; free_all_swap_pages(data->swap); - if (data->frozen) + if (data->frozen) { + pm_restore_gfp_mask(); thaw_processes(); + } pm_notifier_call_chain(data->mode == O_RDONLY ? PM_POST_HIBERNATION : PM_POST_RESTORE); atomic_inc(&snapshot_device_available); @@ -379,6 +381,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd, * PM_HIBERNATION_PREPARE */ error = suspend_devices_and_enter(PM_SUSPEND_MEM); + data->ready = 0; break; case SNAPSHOT_PLATFORM_SUPPORT: diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 9f8a97b9a35..570d944daeb 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2317,6 +2317,21 @@ void free_pages(unsigned long addr, unsigned int order) EXPORT_SYMBOL(free_pages); +static void *make_alloc_exact(unsigned long addr, unsigned order, size_t size) +{ + if (addr) { + unsigned long alloc_end = addr + (PAGE_SIZE << order); + unsigned long used = addr + PAGE_ALIGN(size); + + split_page(virt_to_page((void *)addr), order); + while (used < alloc_end) { + free_page(used); + used += PAGE_SIZE; + } + } + return (void *)addr; +} + /** * alloc_pages_exact - allocate an exact number physically-contiguous pages. * @size: the number of bytes to allocate @@ -2336,22 +2351,32 @@ void *alloc_pages_exact(size_t size, gfp_t gfp_mask) unsigned long addr; addr = __get_free_pages(gfp_mask, order); - if (addr) { - unsigned long alloc_end = addr + (PAGE_SIZE << order); - unsigned long used = addr + PAGE_ALIGN(size); - - split_page(virt_to_page((void *)addr), order); - while (used < alloc_end) { - free_page(used); - used += PAGE_SIZE; - } - } - - return (void *)addr; + return make_alloc_exact(addr, order, size); } EXPORT_SYMBOL(alloc_pages_exact); /** + * alloc_pages_exact_nid - allocate an exact number of physically-contiguous + * pages on a node. + * @size: the number of bytes to allocate + * @gfp_mask: GFP flags for the allocation + * + * Like alloc_pages_exact(), but try to allocate on node nid first before falling + * back. + * Note this is not alloc_pages_exact_node() which allocates on a specific node, + * but is not exact. + */ +void *alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask) +{ + unsigned order = get_order(size); + struct page *p = alloc_pages_node(nid, gfp_mask, order); + if (!p) + return NULL; + return make_alloc_exact((unsigned long)page_address(p), order, size); +} +EXPORT_SYMBOL(alloc_pages_exact_nid); + +/** * free_pages_exact - release memory allocated via alloc_pages_exact() * @virt: the value returned by alloc_pages_exact. * @size: size of allocation, same value as passed to alloc_pages_exact(). @@ -3564,7 +3589,7 @@ int zone_wait_table_init(struct zone *zone, unsigned long zone_size_pages) if (!slab_is_available()) { zone->wait_table = (wait_queue_head_t *) - alloc_bootmem_node(pgdat, alloc_size); + alloc_bootmem_node_nopanic(pgdat, alloc_size); } else { /* * This case means that a zone whose size was 0 gets new memory @@ -4141,7 +4166,8 @@ static void __init setup_usemap(struct pglist_data *pgdat, unsigned long usemapsize = usemap_size(zonesize); zone->pageblock_flags = NULL; if (usemapsize) - zone->pageblock_flags = alloc_bootmem_node(pgdat, usemapsize); + zone->pageblock_flags = alloc_bootmem_node_nopanic(pgdat, + usemapsize); } #else static inline void setup_usemap(struct pglist_data *pgdat, @@ -4307,7 +4333,7 @@ static void __init_refok alloc_node_mem_map(struct pglist_data *pgdat) size = (end - start) * sizeof(struct page); map = alloc_remap(pgdat->node_id, size); if (!map) - map = alloc_bootmem_node(pgdat, size); + map = alloc_bootmem_node_nopanic(pgdat, size); pgdat->node_mem_map = map + (pgdat->node_start_pfn - start); } #ifndef CONFIG_NEED_MULTIPLE_NODES diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c index 99055010cec..2daadc322ba 100644 --- a/mm/page_cgroup.c +++ b/mm/page_cgroup.c @@ -134,7 +134,7 @@ static void *__init_refok alloc_page_cgroup(size_t size, int nid) { void *addr = NULL; - addr = alloc_pages_exact(size, GFP_KERNEL | __GFP_NOWARN); + addr = alloc_pages_exact_nid(nid, size, GFP_KERNEL | __GFP_NOWARN); if (addr) return addr; diff --git a/mm/shmem.c b/mm/shmem.c index 8fa27e4e582..9e755c166cc 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -852,7 +852,7 @@ static inline int shmem_find_swp(swp_entry_t entry, swp_entry_t *dir, swp_entry_ static int shmem_unuse_inode(struct shmem_inode_info *info, swp_entry_t entry, struct page *page) { - struct inode *inode; + struct address_space *mapping; unsigned long idx; unsigned long size; unsigned long limit; @@ -875,8 +875,10 @@ static int shmem_unuse_inode(struct shmem_inode_info *info, swp_entry_t entry, s if (size > SHMEM_NR_DIRECT) size = SHMEM_NR_DIRECT; offset = shmem_find_swp(entry, ptr, ptr+size); - if (offset >= 0) + if (offset >= 0) { + shmem_swp_balance_unmap(); goto found; + } if (!info->i_indirect) goto lost2; @@ -914,11 +916,11 @@ static int shmem_unuse_inode(struct shmem_inode_info *info, swp_entry_t entry, s if (size > ENTRIES_PER_PAGE) size = ENTRIES_PER_PAGE; offset = shmem_find_swp(entry, ptr, ptr+size); - shmem_swp_unmap(ptr); if (offset >= 0) { shmem_dir_unmap(dir); goto found; } + shmem_swp_unmap(ptr); } } lost1: @@ -928,8 +930,7 @@ lost2: return 0; found: idx += offset; - inode = igrab(&info->vfs_inode); - spin_unlock(&info->lock); + ptr += offset; /* * Move _head_ to start search for next from here. @@ -940,37 +941,18 @@ found: */ if (shmem_swaplist.next != &info->swaplist) list_move_tail(&shmem_swaplist, &info->swaplist); - mutex_unlock(&shmem_swaplist_mutex); - error = 1; - if (!inode) - goto out; /* - * Charge page using GFP_KERNEL while we can wait. - * Charged back to the user(not to caller) when swap account is used. - * add_to_page_cache() will be called with GFP_NOWAIT. + * We rely on shmem_swaplist_mutex, not only to protect the swaplist, + * but also to hold up shmem_evict_inode(): so inode cannot be freed + * beneath us (pagelock doesn't help until the page is in pagecache). */ - error = mem_cgroup_cache_charge(page, current->mm, GFP_KERNEL); - if (error) - goto out; - error = radix_tree_preload(GFP_KERNEL); - if (error) { - mem_cgroup_uncharge_cache_page(page); - goto out; - } - error = 1; - - spin_lock(&info->lock); - ptr = shmem_swp_entry(info, idx, NULL); - if (ptr && ptr->val == entry.val) { - error = add_to_page_cache_locked(page, inode->i_mapping, - idx, GFP_NOWAIT); - /* does mem_cgroup_uncharge_cache_page on error */ - } else /* we must compensate for our precharge above */ - mem_cgroup_uncharge_cache_page(page); + mapping = info->vfs_inode.i_mapping; + error = add_to_page_cache_locked(page, mapping, idx, GFP_NOWAIT); + /* which does mem_cgroup_uncharge_cache_page on error */ if (error == -EEXIST) { - struct page *filepage = find_get_page(inode->i_mapping, idx); + struct page *filepage = find_get_page(mapping, idx); error = 1; if (filepage) { /* @@ -990,14 +972,8 @@ found: swap_free(entry); error = 1; /* not an error, but entry was found */ } - if (ptr) - shmem_swp_unmap(ptr); + shmem_swp_unmap(ptr); spin_unlock(&info->lock); - radix_tree_preload_end(); -out: - unlock_page(page); - page_cache_release(page); - iput(inode); /* allows for NULL */ return error; } @@ -1009,6 +985,26 @@ int shmem_unuse(swp_entry_t entry, struct page *page) struct list_head *p, *next; struct shmem_inode_info *info; int found = 0; + int error; + + /* + * Charge page using GFP_KERNEL while we can wait, before taking + * the shmem_swaplist_mutex which might hold up shmem_writepage(). + * Charged back to the user (not to caller) when swap account is used. + * add_to_page_cache() will be called with GFP_NOWAIT. + */ + error = mem_cgroup_cache_charge(page, current->mm, GFP_KERNEL); + if (error) + goto out; + /* + * Try to preload while we can wait, to not make a habit of + * draining atomic reserves; but don't latch on to this cpu, + * it's okay if sometimes we get rescheduled after this. + */ + error = radix_tree_preload(GFP_KERNEL); + if (error) + goto uncharge; + radix_tree_preload_end(); mutex_lock(&shmem_swaplist_mutex); list_for_each_safe(p, next, &shmem_swaplist) { @@ -1016,17 +1012,19 @@ int shmem_unuse(swp_entry_t entry, struct page *page) found = shmem_unuse_inode(info, entry, page); cond_resched(); if (found) - goto out; + break; } mutex_unlock(&shmem_swaplist_mutex); - /* - * Can some race bring us here? We've been holding page lock, - * so I think not; but would rather try again later than BUG() - */ + +uncharge: + if (!found) + mem_cgroup_uncharge_cache_page(page); + if (found < 0) + error = found; +out: unlock_page(page); page_cache_release(page); -out: - return (found < 0) ? found : 0; + return error; } /* @@ -1039,6 +1037,7 @@ static int shmem_writepage(struct page *page, struct writeback_control *wbc) struct address_space *mapping; unsigned long index; struct inode *inode; + bool unlock_mutex = false; BUG_ON(!PageLocked(page)); mapping = page->mapping; @@ -1064,7 +1063,26 @@ static int shmem_writepage(struct page *page, struct writeback_control *wbc) else swap.val = 0; + /* + * Add inode to shmem_unuse()'s list of swapped-out inodes, + * if it's not already there. Do it now because we cannot take + * mutex while holding spinlock, and must do so before the page + * is moved to swap cache, when its pagelock no longer protects + * the inode from eviction. But don't unlock the mutex until + * we've taken the spinlock, because shmem_unuse_inode() will + * prune a !swapped inode from the swaplist under both locks. + */ + if (swap.val && list_empty(&info->swaplist)) { + mutex_lock(&shmem_swaplist_mutex); + /* move instead of add in case we're racing */ + list_move_tail(&info->swaplist, &shmem_swaplist); + unlock_mutex = true; + } + spin_lock(&info->lock); + if (unlock_mutex) + mutex_unlock(&shmem_swaplist_mutex); + if (index >= info->next_index) { BUG_ON(!(info->flags & SHMEM_TRUNCATE)); goto unlock; @@ -1084,21 +1102,10 @@ static int shmem_writepage(struct page *page, struct writeback_control *wbc) delete_from_page_cache(page); shmem_swp_set(info, entry, swap.val); shmem_swp_unmap(entry); - if (list_empty(&info->swaplist)) - inode = igrab(inode); - else - inode = NULL; spin_unlock(&info->lock); swap_shmem_alloc(swap); BUG_ON(page_mapped(page)); swap_writepage(page, wbc); - if (inode) { - mutex_lock(&shmem_swaplist_mutex); - /* move instead of add in case we're racing */ - list_move_tail(&info->swaplist, &shmem_swaplist); - mutex_unlock(&shmem_swaplist_mutex); - iput(inode); - } return 0; } @@ -1400,20 +1407,14 @@ repeat: if (sbinfo->max_blocks) { if (percpu_counter_compare(&sbinfo->used_blocks, sbinfo->max_blocks) >= 0 || - shmem_acct_block(info->flags)) { - spin_unlock(&info->lock); - error = -ENOSPC; - goto failed; - } + shmem_acct_block(info->flags)) + goto nospace; percpu_counter_inc(&sbinfo->used_blocks); spin_lock(&inode->i_lock); inode->i_blocks += BLOCKS_PER_PAGE; spin_unlock(&inode->i_lock); - } else if (shmem_acct_block(info->flags)) { - spin_unlock(&info->lock); - error = -ENOSPC; - goto failed; - } + } else if (shmem_acct_block(info->flags)) + goto nospace; if (!filepage) { int ret; @@ -1493,6 +1494,24 @@ done: error = 0; goto out; +nospace: + /* + * Perhaps the page was brought in from swap between find_lock_page + * and taking info->lock? We allow for that at add_to_page_cache_lru, + * but must also avoid reporting a spurious ENOSPC while working on a + * full tmpfs. (When filepage has been passed in to shmem_getpage, it + * is already in page cache, which prevents this race from occurring.) + */ + if (!filepage) { + struct page *page = find_get_page(mapping, idx); + if (page) { + spin_unlock(&info->lock); + page_cache_release(page); + goto repeat; + } + } + spin_unlock(&info->lock); + error = -ENOSPC; failed: if (*pagep != filepage) { unlock_page(filepage); diff --git a/mm/swap.c b/mm/swap.c index a448db377cb..5602f1a1b1e 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -396,6 +396,9 @@ static void lru_deactivate_fn(struct page *page, void *arg) if (!PageLRU(page)) return; + if (PageUnevictable(page)) + return; + /* Some processes are using the page */ if (page_mapped(page)) return; diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 7850412f52b..0eb1a886b37 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -124,6 +124,9 @@ void unregister_vlan_dev(struct net_device *dev, struct list_head *head) grp->nr_vlans--; + if (vlan->flags & VLAN_FLAG_GVRP) + vlan_gvrp_request_leave(dev); + vlan_group_set_device(grp, vlan_id, NULL); if (!grp->killall) synchronize_net(); diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index e34ea9e5e28..b2ff6c8d360 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -487,9 +487,6 @@ static int vlan_dev_stop(struct net_device *dev) struct vlan_dev_info *vlan = vlan_dev_info(dev); struct net_device *real_dev = vlan->real_dev; - if (vlan->flags & VLAN_FLAG_GVRP) - vlan_gvrp_request_leave(dev); - dev_mc_unsync(real_dev, dev); dev_uc_unsync(real_dev, dev); if (dev->flags & IFF_ALLMULTI) diff --git a/net/9p/client.c b/net/9p/client.c index 77367745be9..a9aa2dd6648 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -614,7 +614,7 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...) err = c->trans_mod->request(c, req); if (err < 0) { - if (err != -ERESTARTSYS) + if (err != -ERESTARTSYS && err != -EFAULT) c->status = Disconnected; goto reterr; } diff --git a/net/9p/trans_common.c b/net/9p/trans_common.c index e883172f9aa..9a70ebdec56 100644 --- a/net/9p/trans_common.c +++ b/net/9p/trans_common.c @@ -63,7 +63,7 @@ p9_payload_gup(struct p9_req_t *req, size_t *pdata_off, int *pdata_len, int nr_pages, u8 rw) { uint32_t first_page_bytes = 0; - uint32_t pdata_mapped_pages; + int32_t pdata_mapped_pages; struct trans_rpage_info *rpinfo; *pdata_off = (__force size_t)req->tc->pubuf & (PAGE_SIZE-1); @@ -75,14 +75,9 @@ p9_payload_gup(struct p9_req_t *req, size_t *pdata_off, int *pdata_len, rpinfo = req->tc->private; pdata_mapped_pages = get_user_pages_fast((unsigned long)req->tc->pubuf, nr_pages, rw, &rpinfo->rp_data[0]); + if (pdata_mapped_pages <= 0) + return pdata_mapped_pages; - if (pdata_mapped_pages < 0) { - printk(KERN_ERR "get_user_pages_fast failed:%d udata:%p" - "nr_pages:%d\n", pdata_mapped_pages, - req->tc->pubuf, nr_pages); - pdata_mapped_pages = 0; - return -EIO; - } rpinfo->rp_nr_pages = pdata_mapped_pages; if (*pdata_off) { *pdata_len = first_page_bytes; diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index 94954c74f6a..42fdffd1d76 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -369,15 +369,6 @@ static void __sco_sock_close(struct sock *sk) case BT_CONNECTED: case BT_CONFIG: - if (sco_pi(sk)->conn) { - sk->sk_state = BT_DISCONN; - sco_sock_set_timer(sk, SCO_DISCONN_TIMEOUT); - hci_conn_put(sco_pi(sk)->conn->hcon); - sco_pi(sk)->conn = NULL; - } else - sco_chan_del(sk, ECONNRESET); - break; - case BT_CONNECT: case BT_DISCONN: sco_chan_del(sk, ECONNRESET); diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index 893669caa8d..1a92b369c82 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -1766,7 +1766,7 @@ static int compat_table_info(const struct ebt_table_info *info, newinfo->entries_size = size; - xt_compat_init_offsets(AF_INET, info->nentries); + xt_compat_init_offsets(NFPROTO_BRIDGE, info->nentries); return EBT_ENTRY_ITERATE(entries, size, compat_calc_entry, info, entries, newinfo); } @@ -1882,7 +1882,7 @@ static int compat_mtw_from_user(struct compat_ebt_entry_mwt *mwt, struct xt_match *match; struct xt_target *wt; void *dst = NULL; - int off, pad = 0, ret = 0; + int off, pad = 0; unsigned int size_kern, entry_offset, match_size = mwt->match_size; strlcpy(name, mwt->u.name, sizeof(name)); @@ -1935,13 +1935,6 @@ static int compat_mtw_from_user(struct compat_ebt_entry_mwt *mwt, break; } - if (!dst) { - ret = xt_compat_add_offset(NFPROTO_BRIDGE, entry_offset, - off + ebt_compat_entry_padsize()); - if (ret < 0) - return ret; - } - state->buf_kern_offset += match_size + off; state->buf_user_offset += match_size; pad = XT_ALIGN(size_kern) - size_kern; @@ -2016,50 +2009,6 @@ static int ebt_size_mwt(struct compat_ebt_entry_mwt *match32, return growth; } -#define EBT_COMPAT_WATCHER_ITERATE(e, fn, args...) \ -({ \ - unsigned int __i; \ - int __ret = 0; \ - struct compat_ebt_entry_mwt *__watcher; \ - \ - for (__i = e->watchers_offset; \ - __i < (e)->target_offset; \ - __i += __watcher->watcher_size + \ - sizeof(struct compat_ebt_entry_mwt)) { \ - __watcher = (void *)(e) + __i; \ - __ret = fn(__watcher , ## args); \ - if (__ret != 0) \ - break; \ - } \ - if (__ret == 0) { \ - if (__i != (e)->target_offset) \ - __ret = -EINVAL; \ - } \ - __ret; \ -}) - -#define EBT_COMPAT_MATCH_ITERATE(e, fn, args...) \ -({ \ - unsigned int __i; \ - int __ret = 0; \ - struct compat_ebt_entry_mwt *__match; \ - \ - for (__i = sizeof(struct ebt_entry); \ - __i < (e)->watchers_offset; \ - __i += __match->match_size + \ - sizeof(struct compat_ebt_entry_mwt)) { \ - __match = (void *)(e) + __i; \ - __ret = fn(__match , ## args); \ - if (__ret != 0) \ - break; \ - } \ - if (__ret == 0) { \ - if (__i != (e)->watchers_offset) \ - __ret = -EINVAL; \ - } \ - __ret; \ -}) - /* called for all ebt_entry structures. */ static int size_entry_mwt(struct ebt_entry *entry, const unsigned char *base, unsigned int *total, @@ -2132,6 +2081,14 @@ static int size_entry_mwt(struct ebt_entry *entry, const unsigned char *base, } } + if (state->buf_kern_start == NULL) { + unsigned int offset = buf_start - (char *) base; + + ret = xt_compat_add_offset(NFPROTO_BRIDGE, offset, new_offset); + if (ret < 0) + return ret; + } + startoff = state->buf_user_offset - startoff; BUG_ON(*total < startoff); @@ -2240,6 +2197,7 @@ static int compat_do_replace(struct net *net, void __user *user, xt_compat_lock(NFPROTO_BRIDGE); + xt_compat_init_offsets(NFPROTO_BRIDGE, tmp.nentries); ret = compat_copy_entries(entries_tmp, tmp.entries_size, &state); if (ret < 0) goto out_unlock; diff --git a/net/core/dev.c b/net/core/dev.c index 856b6ee9a1d..92009440d28 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1284,11 +1284,13 @@ static int dev_close_many(struct list_head *head) */ int dev_close(struct net_device *dev) { - LIST_HEAD(single); + if (dev->flags & IFF_UP) { + LIST_HEAD(single); - list_add(&dev->unreg_list, &single); - dev_close_many(&single); - list_del(&single); + list_add(&dev->unreg_list, &single); + dev_close_many(&single); + list_del(&single); + } return 0; } EXPORT_SYMBOL(dev_close); diff --git a/net/dccp/options.c b/net/dccp/options.c index f06ffcfc8d7..4b2ab657ac8 100644 --- a/net/dccp/options.c +++ b/net/dccp/options.c @@ -123,6 +123,8 @@ int dccp_parse_options(struct sock *sk, struct dccp_request_sock *dreq, case DCCPO_CHANGE_L ... DCCPO_CONFIRM_R: if (pkt_type == DCCP_PKT_DATA) /* RFC 4340, 6 */ break; + if (len == 0) + goto out_invalid_option; rc = dccp_feat_parse_options(sk, dreq, mandatory, opt, *value, value + 1, len - 1); if (rc) diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index a1151b8adf3..b1d282f11be 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -223,31 +223,30 @@ static void ip_expire(unsigned long arg) if ((qp->q.last_in & INET_FRAG_FIRST_IN) && qp->q.fragments != NULL) { struct sk_buff *head = qp->q.fragments; + const struct iphdr *iph; + int err; rcu_read_lock(); head->dev = dev_get_by_index_rcu(net, qp->iif); if (!head->dev) goto out_rcu_unlock; + /* skb dst is stale, drop it, and perform route lookup again */ + skb_dst_drop(head); + iph = ip_hdr(head); + err = ip_route_input_noref(head, iph->daddr, iph->saddr, + iph->tos, head->dev); + if (err) + goto out_rcu_unlock; + /* - * Only search router table for the head fragment, - * when defraging timeout at PRE_ROUTING HOOK. + * Only an end host needs to send an ICMP + * "Fragment Reassembly Timeout" message, per RFC792. */ - if (qp->user == IP_DEFRAG_CONNTRACK_IN && !skb_dst(head)) { - const struct iphdr *iph = ip_hdr(head); - int err = ip_route_input(head, iph->daddr, iph->saddr, - iph->tos, head->dev); - if (unlikely(err)) - goto out_rcu_unlock; - - /* - * Only an end host needs to send an ICMP - * "Fragment Reassembly Timeout" message, per RFC792. - */ - if (skb_rtable(head)->rt_type != RTN_LOCAL) - goto out_rcu_unlock; + if (qp->user == IP_DEFRAG_CONNTRACK_IN && + skb_rtable(head)->rt_type != RTN_LOCAL) + goto out_rcu_unlock; - } /* Send an ICMP "Fragment Reassembly Timeout" message. */ icmp_send(head, ICMP_TIME_EXCEEDED, ICMP_EXC_FRAGTIME, 0); diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c index 34340c9c95f..f376b05cca8 100644 --- a/net/ipv4/tcp_cubic.c +++ b/net/ipv4/tcp_cubic.c @@ -93,6 +93,7 @@ struct bictcp { u32 ack_cnt; /* number of acks */ u32 tcp_cwnd; /* estimated tcp cwnd */ #define ACK_RATIO_SHIFT 4 +#define ACK_RATIO_LIMIT (32u << ACK_RATIO_SHIFT) u16 delayed_ack; /* estimate the ratio of Packets/ACKs << 4 */ u8 sample_cnt; /* number of samples to decide curr_rtt */ u8 found; /* the exit point is found? */ @@ -398,8 +399,12 @@ static void bictcp_acked(struct sock *sk, u32 cnt, s32 rtt_us) u32 delay; if (icsk->icsk_ca_state == TCP_CA_Open) { - cnt -= ca->delayed_ack >> ACK_RATIO_SHIFT; - ca->delayed_ack += cnt; + u32 ratio = ca->delayed_ack; + + ratio -= ca->delayed_ack >> ACK_RATIO_SHIFT; + ratio += cnt; + + ca->delayed_ack = min(ratio, ACK_RATIO_LIMIT); } /* Some calls are for duplicates without timetamps */ diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c index 571aa96a175..2d51840e53a 100644 --- a/net/ipv4/xfrm4_output.c +++ b/net/ipv4/xfrm4_output.c @@ -69,7 +69,7 @@ int xfrm4_prepare_output(struct xfrm_state *x, struct sk_buff *skb) } EXPORT_SYMBOL(xfrm4_prepare_output); -static int xfrm4_output_finish(struct sk_buff *skb) +int xfrm4_output_finish(struct sk_buff *skb) { #ifdef CONFIG_NETFILTER if (!skb_dst(skb)->xfrm) { @@ -86,7 +86,11 @@ static int xfrm4_output_finish(struct sk_buff *skb) int xfrm4_output(struct sk_buff *skb) { + struct dst_entry *dst = skb_dst(skb); + struct xfrm_state *x = dst->xfrm; + return NF_HOOK_COND(NFPROTO_IPV4, NF_INET_POST_ROUTING, skb, - NULL, skb_dst(skb)->dev, xfrm4_output_finish, + NULL, dst->dev, + x->outer_mode->afinfo->output_finish, !(IPCB(skb)->flags & IPSKB_REROUTED)); } diff --git a/net/ipv4/xfrm4_state.c b/net/ipv4/xfrm4_state.c index 1717c64628d..805d63ef434 100644 --- a/net/ipv4/xfrm4_state.c +++ b/net/ipv4/xfrm4_state.c @@ -78,6 +78,7 @@ static struct xfrm_state_afinfo xfrm4_state_afinfo = { .init_tempsel = __xfrm4_init_tempsel, .init_temprop = xfrm4_init_temprop, .output = xfrm4_output, + .output_finish = xfrm4_output_finish, .extract_input = xfrm4_extract_input, .extract_output = xfrm4_extract_output, .transport_finish = xfrm4_transport_finish, diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c index 28e74488a32..a5a4c5dd539 100644 --- a/net/ipv6/netfilter/ip6t_REJECT.c +++ b/net/ipv6/netfilter/ip6t_REJECT.c @@ -45,6 +45,8 @@ static void send_reset(struct net *net, struct sk_buff *oldskb) int tcphoff, needs_ack; const struct ipv6hdr *oip6h = ipv6_hdr(oldskb); struct ipv6hdr *ip6h; +#define DEFAULT_TOS_VALUE 0x0U + const __u8 tclass = DEFAULT_TOS_VALUE; struct dst_entry *dst = NULL; u8 proto; struct flowi6 fl6; @@ -124,7 +126,7 @@ static void send_reset(struct net *net, struct sk_buff *oldskb) skb_put(nskb, sizeof(struct ipv6hdr)); skb_reset_network_header(nskb); ip6h = ipv6_hdr(nskb); - ip6h->version = 6; + *(__be32 *)ip6h = htonl(0x60000000 | (tclass << 20)); ip6h->hop_limit = ip6_dst_hoplimit(dst); ip6h->nexthdr = IPPROTO_TCP; ipv6_addr_copy(&ip6h->saddr, &oip6h->daddr); diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c index 8e688b3de9a..49a91c5f562 100644 --- a/net/ipv6/xfrm6_output.c +++ b/net/ipv6/xfrm6_output.c @@ -79,7 +79,7 @@ int xfrm6_prepare_output(struct xfrm_state *x, struct sk_buff *skb) } EXPORT_SYMBOL(xfrm6_prepare_output); -static int xfrm6_output_finish(struct sk_buff *skb) +int xfrm6_output_finish(struct sk_buff *skb) { #ifdef CONFIG_NETFILTER IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED; @@ -97,9 +97,9 @@ static int __xfrm6_output(struct sk_buff *skb) if ((x && x->props.mode == XFRM_MODE_TUNNEL) && ((skb->len > ip6_skb_dst_mtu(skb) && !skb_is_gso(skb)) || dst_allfrag(skb_dst(skb)))) { - return ip6_fragment(skb, xfrm6_output_finish); + return ip6_fragment(skb, x->outer_mode->afinfo->output_finish); } - return xfrm6_output_finish(skb); + return x->outer_mode->afinfo->output_finish(skb); } int xfrm6_output(struct sk_buff *skb) diff --git a/net/ipv6/xfrm6_state.c b/net/ipv6/xfrm6_state.c index afe941e9415..248f0b2a7ee 100644 --- a/net/ipv6/xfrm6_state.c +++ b/net/ipv6/xfrm6_state.c @@ -178,6 +178,7 @@ static struct xfrm_state_afinfo xfrm6_state_afinfo = { .tmpl_sort = __xfrm6_tmpl_sort, .state_sort = __xfrm6_state_sort, .output = xfrm6_output, + .output_finish = xfrm6_output_finish, .extract_input = xfrm6_extract_input, .extract_output = xfrm6_extract_output, .transport_finish = xfrm6_transport_finish, diff --git a/net/netfilter/ipvs/ip_vs_app.c b/net/netfilter/ipvs/ip_vs_app.c index 2dc6de13ac1..51f3af7c474 100644 --- a/net/netfilter/ipvs/ip_vs_app.c +++ b/net/netfilter/ipvs/ip_vs_app.c @@ -576,7 +576,7 @@ static const struct file_operations ip_vs_app_fops = { }; #endif -static int __net_init __ip_vs_app_init(struct net *net) +int __net_init __ip_vs_app_init(struct net *net) { struct netns_ipvs *ipvs = net_ipvs(net); @@ -585,26 +585,17 @@ static int __net_init __ip_vs_app_init(struct net *net) return 0; } -static void __net_exit __ip_vs_app_cleanup(struct net *net) +void __net_exit __ip_vs_app_cleanup(struct net *net) { proc_net_remove(net, "ip_vs_app"); } -static struct pernet_operations ip_vs_app_ops = { - .init = __ip_vs_app_init, - .exit = __ip_vs_app_cleanup, -}; - int __init ip_vs_app_init(void) { - int rv; - - rv = register_pernet_subsys(&ip_vs_app_ops); - return rv; + return 0; } void ip_vs_app_cleanup(void) { - unregister_pernet_subsys(&ip_vs_app_ops); } diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c index c97bd45975b..d3fd91bbba4 100644 --- a/net/netfilter/ipvs/ip_vs_conn.c +++ b/net/netfilter/ipvs/ip_vs_conn.c @@ -1258,22 +1258,17 @@ int __net_init __ip_vs_conn_init(struct net *net) return 0; } -static void __net_exit __ip_vs_conn_cleanup(struct net *net) +void __net_exit __ip_vs_conn_cleanup(struct net *net) { /* flush all the connection entries first */ ip_vs_conn_flush(net); proc_net_remove(net, "ip_vs_conn"); proc_net_remove(net, "ip_vs_conn_sync"); } -static struct pernet_operations ipvs_conn_ops = { - .init = __ip_vs_conn_init, - .exit = __ip_vs_conn_cleanup, -}; int __init ip_vs_conn_init(void) { int idx; - int retc; /* Compute size and mask */ ip_vs_conn_tab_size = 1 << ip_vs_conn_tab_bits; @@ -1309,17 +1304,14 @@ int __init ip_vs_conn_init(void) rwlock_init(&__ip_vs_conntbl_lock_array[idx].l); } - retc = register_pernet_subsys(&ipvs_conn_ops); - /* calculate the random value for connection hash */ get_random_bytes(&ip_vs_conn_rnd, sizeof(ip_vs_conn_rnd)); - return retc; + return 0; } void ip_vs_conn_cleanup(void) { - unregister_pernet_subsys(&ipvs_conn_ops); /* Release the empty cache */ kmem_cache_destroy(ip_vs_conn_cachep); vfree(ip_vs_conn_tab); diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c index 07accf6b240..a74dae6c5db 100644 --- a/net/netfilter/ipvs/ip_vs_core.c +++ b/net/netfilter/ipvs/ip_vs_core.c @@ -1113,6 +1113,9 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af) return NF_ACCEPT; net = skb_net(skb); + if (!net_ipvs(net)->enable) + return NF_ACCEPT; + ip_vs_fill_iphdr(af, skb_network_header(skb), &iph); #ifdef CONFIG_IP_VS_IPV6 if (af == AF_INET6) { @@ -1343,6 +1346,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum) return NF_ACCEPT; /* The packet looks wrong, ignore */ net = skb_net(skb); + pd = ip_vs_proto_data_get(net, cih->protocol); if (!pd) return NF_ACCEPT; @@ -1529,6 +1533,11 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af) IP_VS_DBG_ADDR(af, &iph.daddr), hooknum); return NF_ACCEPT; } + /* ipvs enabled in this netns ? */ + net = skb_net(skb); + if (!net_ipvs(net)->enable) + return NF_ACCEPT; + ip_vs_fill_iphdr(af, skb_network_header(skb), &iph); /* Bad... Do not break raw sockets */ @@ -1562,7 +1571,6 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af) ip_vs_fill_iphdr(af, skb_network_header(skb), &iph); } - net = skb_net(skb); /* Protocol supported? */ pd = ip_vs_proto_data_get(net, iph.protocol); if (unlikely(!pd)) @@ -1588,7 +1596,6 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af) } IP_VS_DBG_PKT(11, af, pp, skb, 0, "Incoming packet"); - net = skb_net(skb); ipvs = net_ipvs(net); /* Check the server status */ if (cp->dest && !(cp->dest->flags & IP_VS_DEST_F_AVAILABLE)) { @@ -1743,10 +1750,16 @@ ip_vs_forward_icmp(unsigned int hooknum, struct sk_buff *skb, int (*okfn)(struct sk_buff *)) { int r; + struct net *net; if (ip_hdr(skb)->protocol != IPPROTO_ICMP) return NF_ACCEPT; + /* ipvs enabled in this netns ? */ + net = skb_net(skb); + if (!net_ipvs(net)->enable) + return NF_ACCEPT; + return ip_vs_in_icmp(skb, &r, hooknum); } @@ -1757,10 +1770,16 @@ ip_vs_forward_icmp_v6(unsigned int hooknum, struct sk_buff *skb, int (*okfn)(struct sk_buff *)) { int r; + struct net *net; if (ipv6_hdr(skb)->nexthdr != IPPROTO_ICMPV6) return NF_ACCEPT; + /* ipvs enabled in this netns ? */ + net = skb_net(skb); + if (!net_ipvs(net)->enable) + return NF_ACCEPT; + return ip_vs_in_icmp_v6(skb, &r, hooknum); } #endif @@ -1884,19 +1903,70 @@ static int __net_init __ip_vs_init(struct net *net) pr_err("%s(): no memory.\n", __func__); return -ENOMEM; } + /* Hold the beast until a service is registerd */ + ipvs->enable = 0; ipvs->net = net; /* Counters used for creating unique names */ ipvs->gen = atomic_read(&ipvs_netns_cnt); atomic_inc(&ipvs_netns_cnt); net->ipvs = ipvs; + + if (__ip_vs_estimator_init(net) < 0) + goto estimator_fail; + + if (__ip_vs_control_init(net) < 0) + goto control_fail; + + if (__ip_vs_protocol_init(net) < 0) + goto protocol_fail; + + if (__ip_vs_app_init(net) < 0) + goto app_fail; + + if (__ip_vs_conn_init(net) < 0) + goto conn_fail; + + if (__ip_vs_sync_init(net) < 0) + goto sync_fail; + printk(KERN_INFO "IPVS: Creating netns size=%zu id=%d\n", sizeof(struct netns_ipvs), ipvs->gen); return 0; +/* + * Error handling + */ + +sync_fail: + __ip_vs_conn_cleanup(net); +conn_fail: + __ip_vs_app_cleanup(net); +app_fail: + __ip_vs_protocol_cleanup(net); +protocol_fail: + __ip_vs_control_cleanup(net); +control_fail: + __ip_vs_estimator_cleanup(net); +estimator_fail: + return -ENOMEM; } static void __net_exit __ip_vs_cleanup(struct net *net) { - IP_VS_DBG(10, "ipvs netns %d released\n", net_ipvs(net)->gen); + __ip_vs_service_cleanup(net); /* ip_vs_flush() with locks */ + __ip_vs_conn_cleanup(net); + __ip_vs_app_cleanup(net); + __ip_vs_protocol_cleanup(net); + __ip_vs_control_cleanup(net); + __ip_vs_estimator_cleanup(net); + IP_VS_DBG(2, "ipvs netns %d released\n", net_ipvs(net)->gen); +} + +static void __net_exit __ip_vs_dev_cleanup(struct net *net) +{ + EnterFunction(2); + net_ipvs(net)->enable = 0; /* Disable packet reception */ + __ip_vs_sync_cleanup(net); + LeaveFunction(2); } static struct pernet_operations ipvs_core_ops = { @@ -1906,6 +1976,10 @@ static struct pernet_operations ipvs_core_ops = { .size = sizeof(struct netns_ipvs), }; +static struct pernet_operations ipvs_core_dev_ops = { + .exit = __ip_vs_dev_cleanup, +}; + /* * Initialize IP Virtual Server */ @@ -1913,10 +1987,6 @@ static int __init ip_vs_init(void) { int ret; - ret = register_pernet_subsys(&ipvs_core_ops); /* Alloc ip_vs struct */ - if (ret < 0) - return ret; - ip_vs_estimator_init(); ret = ip_vs_control_init(); if (ret < 0) { @@ -1944,15 +2014,28 @@ static int __init ip_vs_init(void) goto cleanup_conn; } + ret = register_pernet_subsys(&ipvs_core_ops); /* Alloc ip_vs struct */ + if (ret < 0) + goto cleanup_sync; + + ret = register_pernet_device(&ipvs_core_dev_ops); + if (ret < 0) + goto cleanup_sub; + ret = nf_register_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops)); if (ret < 0) { pr_err("can't register hooks.\n"); - goto cleanup_sync; + goto cleanup_dev; } pr_info("ipvs loaded.\n"); + return ret; +cleanup_dev: + unregister_pernet_device(&ipvs_core_dev_ops); +cleanup_sub: + unregister_pernet_subsys(&ipvs_core_ops); cleanup_sync: ip_vs_sync_cleanup(); cleanup_conn: @@ -1964,20 +2047,20 @@ cleanup_sync: ip_vs_control_cleanup(); cleanup_estimator: ip_vs_estimator_cleanup(); - unregister_pernet_subsys(&ipvs_core_ops); /* free ip_vs struct */ return ret; } static void __exit ip_vs_cleanup(void) { nf_unregister_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops)); + unregister_pernet_device(&ipvs_core_dev_ops); + unregister_pernet_subsys(&ipvs_core_ops); /* free ip_vs struct */ ip_vs_sync_cleanup(); ip_vs_conn_cleanup(); ip_vs_app_cleanup(); ip_vs_protocol_cleanup(); ip_vs_control_cleanup(); ip_vs_estimator_cleanup(); - unregister_pernet_subsys(&ipvs_core_ops); /* free ip_vs struct */ pr_info("ipvs unloaded.\n"); } diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index ae47090bf45..ea722810faf 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -69,6 +69,11 @@ int ip_vs_get_debug_level(void) } #endif + +/* Protos */ +static void __ip_vs_del_service(struct ip_vs_service *svc); + + #ifdef CONFIG_IP_VS_IPV6 /* Taken from rt6_fill_node() in net/ipv6/route.c, is there a better way? */ static int __ip_vs_addr_is_local_v6(struct net *net, @@ -1214,6 +1219,8 @@ ip_vs_add_service(struct net *net, struct ip_vs_service_user_kern *u, write_unlock_bh(&__ip_vs_svc_lock); *svc_p = svc; + /* Now there is a service - full throttle */ + ipvs->enable = 1; return 0; @@ -1472,6 +1479,84 @@ static int ip_vs_flush(struct net *net) return 0; } +/* + * Delete service by {netns} in the service table. + * Called by __ip_vs_cleanup() + */ +void __ip_vs_service_cleanup(struct net *net) +{ + EnterFunction(2); + /* Check for "full" addressed entries */ + mutex_lock(&__ip_vs_mutex); + ip_vs_flush(net); + mutex_unlock(&__ip_vs_mutex); + LeaveFunction(2); +} +/* + * Release dst hold by dst_cache + */ +static inline void +__ip_vs_dev_reset(struct ip_vs_dest *dest, struct net_device *dev) +{ + spin_lock_bh(&dest->dst_lock); + if (dest->dst_cache && dest->dst_cache->dev == dev) { + IP_VS_DBG_BUF(3, "Reset dev:%s dest %s:%u ,dest->refcnt=%d\n", + dev->name, + IP_VS_DBG_ADDR(dest->af, &dest->addr), + ntohs(dest->port), + atomic_read(&dest->refcnt)); + ip_vs_dst_reset(dest); + } + spin_unlock_bh(&dest->dst_lock); + +} +/* + * Netdev event receiver + * Currently only NETDEV_UNREGISTER is handled, i.e. if we hold a reference to + * a device that is "unregister" it must be released. + */ +static int ip_vs_dst_event(struct notifier_block *this, unsigned long event, + void *ptr) +{ + struct net_device *dev = ptr; + struct net *net = dev_net(dev); + struct ip_vs_service *svc; + struct ip_vs_dest *dest; + unsigned int idx; + + if (event != NETDEV_UNREGISTER) + return NOTIFY_DONE; + IP_VS_DBG(3, "%s() dev=%s\n", __func__, dev->name); + EnterFunction(2); + mutex_lock(&__ip_vs_mutex); + for (idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) { + list_for_each_entry(svc, &ip_vs_svc_table[idx], s_list) { + if (net_eq(svc->net, net)) { + list_for_each_entry(dest, &svc->destinations, + n_list) { + __ip_vs_dev_reset(dest, dev); + } + } + } + + list_for_each_entry(svc, &ip_vs_svc_fwm_table[idx], f_list) { + if (net_eq(svc->net, net)) { + list_for_each_entry(dest, &svc->destinations, + n_list) { + __ip_vs_dev_reset(dest, dev); + } + } + + } + } + + list_for_each_entry(dest, &net_ipvs(net)->dest_trash, n_list) { + __ip_vs_dev_reset(dest, dev); + } + mutex_unlock(&__ip_vs_mutex); + LeaveFunction(2); + return NOTIFY_DONE; +} /* * Zero counters in a service or all services @@ -3588,6 +3673,10 @@ void __net_init __ip_vs_control_cleanup_sysctl(struct net *net) { } #endif +static struct notifier_block ip_vs_dst_notifier = { + .notifier_call = ip_vs_dst_event, +}; + int __net_init __ip_vs_control_init(struct net *net) { int idx; @@ -3626,7 +3715,7 @@ err: return -ENOMEM; } -static void __net_exit __ip_vs_control_cleanup(struct net *net) +void __net_exit __ip_vs_control_cleanup(struct net *net) { struct netns_ipvs *ipvs = net_ipvs(net); @@ -3639,11 +3728,6 @@ static void __net_exit __ip_vs_control_cleanup(struct net *net) free_percpu(ipvs->tot_stats.cpustats); } -static struct pernet_operations ipvs_control_ops = { - .init = __ip_vs_control_init, - .exit = __ip_vs_control_cleanup, -}; - int __init ip_vs_control_init(void) { int idx; @@ -3657,33 +3741,32 @@ int __init ip_vs_control_init(void) INIT_LIST_HEAD(&ip_vs_svc_fwm_table[idx]); } - ret = register_pernet_subsys(&ipvs_control_ops); - if (ret) { - pr_err("cannot register namespace.\n"); - goto err; - } - smp_wmb(); /* Do we really need it now ? */ ret = nf_register_sockopt(&ip_vs_sockopts); if (ret) { pr_err("cannot register sockopt.\n"); - goto err_net; + goto err_sock; } ret = ip_vs_genl_register(); if (ret) { pr_err("cannot register Generic Netlink interface.\n"); - nf_unregister_sockopt(&ip_vs_sockopts); - goto err_net; + goto err_genl; } + ret = register_netdevice_notifier(&ip_vs_dst_notifier); + if (ret < 0) + goto err_notf; + LeaveFunction(2); return 0; -err_net: - unregister_pernet_subsys(&ipvs_control_ops); -err: +err_notf: + ip_vs_genl_unregister(); +err_genl: + nf_unregister_sockopt(&ip_vs_sockopts); +err_sock: return ret; } @@ -3691,7 +3774,6 @@ err: void ip_vs_control_cleanup(void) { EnterFunction(2); - unregister_pernet_subsys(&ipvs_control_ops); ip_vs_genl_unregister(); nf_unregister_sockopt(&ip_vs_sockopts); LeaveFunction(2); diff --git a/net/netfilter/ipvs/ip_vs_est.c b/net/netfilter/ipvs/ip_vs_est.c index 8c8766ca56a..508cce98777 100644 --- a/net/netfilter/ipvs/ip_vs_est.c +++ b/net/netfilter/ipvs/ip_vs_est.c @@ -192,7 +192,7 @@ void ip_vs_read_estimator(struct ip_vs_stats_user *dst, dst->outbps = (e->outbps + 0xF) >> 5; } -static int __net_init __ip_vs_estimator_init(struct net *net) +int __net_init __ip_vs_estimator_init(struct net *net) { struct netns_ipvs *ipvs = net_ipvs(net); @@ -203,24 +203,16 @@ static int __net_init __ip_vs_estimator_init(struct net *net) return 0; } -static void __net_exit __ip_vs_estimator_exit(struct net *net) +void __net_exit __ip_vs_estimator_cleanup(struct net *net) { del_timer_sync(&net_ipvs(net)->est_timer); } -static struct pernet_operations ip_vs_app_ops = { - .init = __ip_vs_estimator_init, - .exit = __ip_vs_estimator_exit, -}; int __init ip_vs_estimator_init(void) { - int rv; - - rv = register_pernet_subsys(&ip_vs_app_ops); - return rv; + return 0; } void ip_vs_estimator_cleanup(void) { - unregister_pernet_subsys(&ip_vs_app_ops); } diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c index 17484a4416e..eb86028536f 100644 --- a/net/netfilter/ipvs/ip_vs_proto.c +++ b/net/netfilter/ipvs/ip_vs_proto.c @@ -316,7 +316,7 @@ ip_vs_tcpudp_debug_packet(int af, struct ip_vs_protocol *pp, /* * per network name-space init */ -static int __net_init __ip_vs_protocol_init(struct net *net) +int __net_init __ip_vs_protocol_init(struct net *net) { #ifdef CONFIG_IP_VS_PROTO_TCP register_ip_vs_proto_netns(net, &ip_vs_protocol_tcp); @@ -336,7 +336,7 @@ static int __net_init __ip_vs_protocol_init(struct net *net) return 0; } -static void __net_exit __ip_vs_protocol_cleanup(struct net *net) +void __net_exit __ip_vs_protocol_cleanup(struct net *net) { struct netns_ipvs *ipvs = net_ipvs(net); struct ip_vs_proto_data *pd; @@ -349,11 +349,6 @@ static void __net_exit __ip_vs_protocol_cleanup(struct net *net) } } -static struct pernet_operations ipvs_proto_ops = { - .init = __ip_vs_protocol_init, - .exit = __ip_vs_protocol_cleanup, -}; - int __init ip_vs_protocol_init(void) { char protocols[64]; @@ -382,7 +377,6 @@ int __init ip_vs_protocol_init(void) REGISTER_PROTOCOL(&ip_vs_protocol_esp); #endif pr_info("Registered protocols (%s)\n", &protocols[2]); - return register_pernet_subsys(&ipvs_proto_ops); return 0; } @@ -393,7 +387,6 @@ void ip_vs_protocol_cleanup(void) struct ip_vs_protocol *pp; int i; - unregister_pernet_subsys(&ipvs_proto_ops); /* unregister all the ipvs protocols */ for (i = 0; i < IP_VS_PROTO_TAB_SIZE; i++) { while ((pp = ip_vs_proto_table[i]) != NULL) diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c index 3e7961e85e9..e292e5bddc7 100644 --- a/net/netfilter/ipvs/ip_vs_sync.c +++ b/net/netfilter/ipvs/ip_vs_sync.c @@ -1303,13 +1303,18 @@ static struct socket *make_send_sock(struct net *net) struct socket *sock; int result; - /* First create a socket */ - result = __sock_create(net, PF_INET, SOCK_DGRAM, IPPROTO_UDP, &sock, 1); + /* First create a socket move it to right name space later */ + result = sock_create_kern(PF_INET, SOCK_DGRAM, IPPROTO_UDP, &sock); if (result < 0) { pr_err("Error during creation of socket; terminating\n"); return ERR_PTR(result); } - + /* + * Kernel sockets that are a part of a namespace, should not + * hold a reference to a namespace in order to allow to stop it. + * After sk_change_net should be released using sk_release_kernel. + */ + sk_change_net(sock->sk, net); result = set_mcast_if(sock->sk, ipvs->master_mcast_ifn); if (result < 0) { pr_err("Error setting outbound mcast interface\n"); @@ -1334,8 +1339,8 @@ static struct socket *make_send_sock(struct net *net) return sock; - error: - sock_release(sock); +error: + sk_release_kernel(sock->sk); return ERR_PTR(result); } @@ -1350,12 +1355,17 @@ static struct socket *make_receive_sock(struct net *net) int result; /* First create a socket */ - result = __sock_create(net, PF_INET, SOCK_DGRAM, IPPROTO_UDP, &sock, 1); + result = sock_create_kern(PF_INET, SOCK_DGRAM, IPPROTO_UDP, &sock); if (result < 0) { pr_err("Error during creation of socket; terminating\n"); return ERR_PTR(result); } - + /* + * Kernel sockets that are a part of a namespace, should not + * hold a reference to a namespace in order to allow to stop it. + * After sk_change_net should be released using sk_release_kernel. + */ + sk_change_net(sock->sk, net); /* it is equivalent to the REUSEADDR option in user-space */ sock->sk->sk_reuse = 1; @@ -1377,8 +1387,8 @@ static struct socket *make_receive_sock(struct net *net) return sock; - error: - sock_release(sock); +error: + sk_release_kernel(sock->sk); return ERR_PTR(result); } @@ -1473,7 +1483,7 @@ static int sync_thread_master(void *data) ip_vs_sync_buff_release(sb); /* release the sending multicast socket */ - sock_release(tinfo->sock); + sk_release_kernel(tinfo->sock->sk); kfree(tinfo); return 0; @@ -1513,7 +1523,7 @@ static int sync_thread_backup(void *data) } /* release the sending multicast socket */ - sock_release(tinfo->sock); + sk_release_kernel(tinfo->sock->sk); kfree(tinfo->buf); kfree(tinfo); @@ -1601,7 +1611,7 @@ outtinfo: outbuf: kfree(buf); outsocket: - sock_release(sock); + sk_release_kernel(sock->sk); out: return result; } @@ -1610,6 +1620,7 @@ out: int stop_sync_thread(struct net *net, int state) { struct netns_ipvs *ipvs = net_ipvs(net); + int retc = -EINVAL; IP_VS_DBG(7, "%s(): pid %d\n", __func__, task_pid_nr(current)); @@ -1629,7 +1640,7 @@ int stop_sync_thread(struct net *net, int state) spin_lock_bh(&ipvs->sync_lock); ipvs->sync_state &= ~IP_VS_STATE_MASTER; spin_unlock_bh(&ipvs->sync_lock); - kthread_stop(ipvs->master_thread); + retc = kthread_stop(ipvs->master_thread); ipvs->master_thread = NULL; } else if (state == IP_VS_STATE_BACKUP) { if (!ipvs->backup_thread) @@ -1639,22 +1650,20 @@ int stop_sync_thread(struct net *net, int state) task_pid_nr(ipvs->backup_thread)); ipvs->sync_state &= ~IP_VS_STATE_BACKUP; - kthread_stop(ipvs->backup_thread); + retc = kthread_stop(ipvs->backup_thread); ipvs->backup_thread = NULL; - } else { - return -EINVAL; } /* decrease the module use count */ ip_vs_use_count_dec(); - return 0; + return retc; } /* * Initialize data struct for each netns */ -static int __net_init __ip_vs_sync_init(struct net *net) +int __net_init __ip_vs_sync_init(struct net *net) { struct netns_ipvs *ipvs = net_ipvs(net); @@ -1668,24 +1677,24 @@ static int __net_init __ip_vs_sync_init(struct net *net) return 0; } -static void __ip_vs_sync_cleanup(struct net *net) +void __ip_vs_sync_cleanup(struct net *net) { - stop_sync_thread(net, IP_VS_STATE_MASTER); - stop_sync_thread(net, IP_VS_STATE_BACKUP); -} + int retc; -static struct pernet_operations ipvs_sync_ops = { - .init = __ip_vs_sync_init, - .exit = __ip_vs_sync_cleanup, -}; + retc = stop_sync_thread(net, IP_VS_STATE_MASTER); + if (retc && retc != -ESRCH) + pr_err("Failed to stop Master Daemon\n"); + retc = stop_sync_thread(net, IP_VS_STATE_BACKUP); + if (retc && retc != -ESRCH) + pr_err("Failed to stop Backup Daemon\n"); +} int __init ip_vs_sync_init(void) { - return register_pernet_subsys(&ipvs_sync_ops); + return 0; } void ip_vs_sync_cleanup(void) { - unregister_pernet_subsys(&ipvs_sync_ops); } diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 30bf8a167fc..482e90c6185 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -1334,6 +1334,7 @@ ctnetlink_create_conntrack(struct net *net, u16 zone, struct nf_conn *ct; int err = -EINVAL; struct nf_conntrack_helper *helper; + struct nf_conn_tstamp *tstamp; ct = nf_conntrack_alloc(net, zone, otuple, rtuple, GFP_ATOMIC); if (IS_ERR(ct)) @@ -1451,6 +1452,9 @@ ctnetlink_create_conntrack(struct net *net, u16 zone, __set_bit(IPS_EXPECTED_BIT, &ct->status); ct->master = master_ct; } + tstamp = nf_conn_tstamp_find(ct); + if (tstamp) + tstamp->start = ktime_to_ns(ktime_get_real()); add_timer(&ct->timeout); nf_conntrack_hash_insert(ct); diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index a9adf4c6b29..8a025a585d2 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -455,6 +455,7 @@ void xt_compat_flush_offsets(u_int8_t af) vfree(xt[af].compat_tab); xt[af].compat_tab = NULL; xt[af].number = 0; + xt[af].cur = 0; } } EXPORT_SYMBOL_GPL(xt_compat_flush_offsets); @@ -473,8 +474,7 @@ int xt_compat_calc_jump(u_int8_t af, unsigned int offset) else return mid ? tmp[mid - 1].delta : 0; } - WARN_ON_ONCE(1); - return 0; + return left ? tmp[left - 1].delta : 0; } EXPORT_SYMBOL_GPL(xt_compat_calc_jump); diff --git a/net/netfilter/xt_DSCP.c b/net/netfilter/xt_DSCP.c index 0a229191e55..ae8271652ef 100644 --- a/net/netfilter/xt_DSCP.c +++ b/net/netfilter/xt_DSCP.c @@ -99,7 +99,7 @@ tos_tg6(struct sk_buff *skb, const struct xt_action_param *par) u_int8_t orig, nv; orig = ipv6_get_dsfield(iph); - nv = (orig & info->tos_mask) ^ info->tos_value; + nv = (orig & ~info->tos_mask) ^ info->tos_value; if (orig != nv) { if (!skb_make_writable(skb, sizeof(struct iphdr))) diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c index 481a86fdc40..61805d7b38a 100644 --- a/net/netfilter/xt_conntrack.c +++ b/net/netfilter/xt_conntrack.c @@ -272,11 +272,6 @@ static int conntrack_mt_check(const struct xt_mtchk_param *par) { int ret; - if (strcmp(par->table, "raw") == 0) { - pr_info("state is undetermined at the time of raw table\n"); - return -EINVAL; - } - ret = nf_ct_l3proto_try_module_get(par->family); if (ret < 0) pr_info("cannot load conntrack support for proto=%u\n", diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 15792d8b627..b4d745ea8ee 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1406,6 +1406,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy, struct net *net = xp_net(policy); unsigned long now = jiffies; struct net_device *dev; + struct xfrm_mode *inner_mode; struct dst_entry *dst_prev = NULL; struct dst_entry *dst0 = NULL; int i = 0; @@ -1436,6 +1437,17 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy, goto put_states; } + if (xfrm[i]->sel.family == AF_UNSPEC) { + inner_mode = xfrm_ip2inner_mode(xfrm[i], + xfrm_af2proto(family)); + if (!inner_mode) { + err = -EAFNOSUPPORT; + dst_release(dst); + goto put_states; + } + } else + inner_mode = xfrm[i]->inner_mode; + if (!dst_prev) dst0 = dst1; else { @@ -1464,7 +1476,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy, dst1->lastuse = now; dst1->input = dst_discard; - dst1->output = xfrm[i]->outer_mode->afinfo->output; + dst1->output = inner_mode->afinfo->output; dst1->next = dst_prev; dst_prev = dst1; diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c index e8a781422fe..47f1b8638df 100644 --- a/net/xfrm/xfrm_replay.c +++ b/net/xfrm/xfrm_replay.c @@ -535,6 +535,9 @@ int xfrm_init_replay(struct xfrm_state *x) replay_esn->bmp_len * sizeof(__u32) * 8) return -EINVAL; + if ((x->props.flags & XFRM_STATE_ESN) && replay_esn->replay_window == 0) + return -EINVAL; + if ((x->props.flags & XFRM_STATE_ESN) && x->replay_esn) x->repl = &xfrm_replay_esn; else |