Merge branch 'x86/core' into core/percpu

88 files changed, 1218 insertions, 1583 deletions

diff --git a/arch/arm/mach-davinci/board-evm.c b/arch/arm/mach-davinci/board-evm.c
index a957d239a68..38b6a9ce2a9 100644
--- a/arch/arm/mach-davinci/board-evm.c
+++ b/arch/arm/mach-davinci/board-evm.c
@@ -311,6 +311,9 @@ evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 	gpio_request(gpio + 7, "nCF_SEL");
 	gpio_direction_output(gpio + 7, 1);
 
+	/* irlml6401 sustains over 3A, switches 5V in under 8 msec */
+	setup_usb(500, 8);
+
 	return 0;
 }
 
@@ -417,9 +420,6 @@ static __init void davinci_evm_init(void)
 	platform_add_devices(davinci_evm_devices,
 			     ARRAY_SIZE(davinci_evm_devices));
 	evm_init_i2c();
-
-	/* irlml6401 sustains over 3A, switches 5V in under 8 msec */
-	setup_usb(500, 8);
 }
 
 static __init void davinci_evm_irq_init(void)
diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index 28f6dbc95bd..abb92b7eca0 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -231,6 +231,11 @@ static struct clk davinci_clks[] = {
 		.lpsc = DAVINCI_LPSC_GPIO,
 	},
 	{
+		.name = "usb",
+		.rate = &commonrate,
+		.lpsc = DAVINCI_LPSC_USB,
+	},
+	{
 		.name = "AEMIFCLK",
 		.rate = &commonrate,
 		.lpsc = DAVINCI_LPSC_AEMIF,
diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c
index 867ead2559a..69680784448 100644
--- a/arch/arm/mach-davinci/usb.c
+++ b/arch/arm/mach-davinci/usb.c
@@ -47,6 +47,7 @@ static struct musb_hdrc_platform_data usb_data = {
 #elif defined(CONFIG_USB_MUSB_HOST)
 	.mode           = MUSB_HOST,
 #endif
+	.clock		= "usb",
 	.config		= &musb_config,
 };
 
diff --git a/arch/arm/mach-rpc/riscpc.c b/arch/arm/mach-rpc/riscpc.c
index e88d417736a..c7fc01e9d1f 100644
--- a/arch/arm/mach-rpc/riscpc.c
+++ b/arch/arm/mach-rpc/riscpc.c
@@ -19,6 +19,7 @@
 #include <linux/serial_8250.h>
 #include <linux/ata_platform.h>
 #include <linux/io.h>
+#include <linux/i2c.h>
 
 #include <asm/elf.h>
 #include <asm/mach-types.h>
@@ -201,8 +202,13 @@ static struct platform_device *devs[] __initdata = {
 	&pata_device,
 };
 
+static struct i2c_board_info i2c_rtc = {
+	I2C_BOARD_INFO("pcf8583", 0x50)
+};
+
 static int __init rpc_init(void)
 {
+	i2c_register_board_info(0, &i2c_rtc, 1);
 	return platform_add_devices(devs, ARRAY_SIZE(devs));
 }
 
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 4eb45c01249..153e727a6e8 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -638,6 +638,17 @@ config DMAR
 	  and include PCI device scope covered by these DMA
 	  remapping devices.
 
+config DMAR_DEFAULT_ON
+	def_bool y
+	prompt "Enable DMA Remapping Devices by default"
+	depends on DMAR
+	help
+	  Selecting this option will enable a DMAR device at boot time if
+	  one is found. If this option is not selected, DMAR support can
+	  be enabled by passing intel_iommu=on to the kernel. It is
+	  recommended you say N here while the DMAR code remains
+	  experimental.
+
 endmenu
 
 endif
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 006ad366a45..166e0d839fa 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -507,7 +507,7 @@ static int iosapic_find_sharable_irq(unsigned long trigger, unsigned long pol)
 	if (trigger == IOSAPIC_EDGE)
 		return -EINVAL;
 
-	for (i = 0; i <= NR_IRQS; i++) {
+	for (i = 0; i < NR_IRQS; i++) {
 		info = &iosapic_intr_info[i];
 		if (info->trigger == trigger && info->polarity == pol &&
 		    (info->dmode == IOSAPIC_FIXED ||
diff --git a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c
index 67810b77d99..b6c0e63a0bf 100644
--- a/arch/ia64/kernel/unwind.c
+++ b/arch/ia64/kernel/unwind.c
@@ -2149,7 +2149,7 @@ unw_remove_unwind_table (void *handle)
 
 	/* next, remove hash table entries for this table */
 
-	for (index = 0; index <= UNW_HASH_SIZE; ++index) {
+	for (index = 0; index < UNW_HASH_SIZE; ++index) {
 		tmp = unw.cache + unw.hash[index];
 		if (unw.hash[index] >= UNW_CACHE_SIZE
 		    || tmp->ip < table->start || tmp->ip >= table->end)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 600eef3f3ac..e61465a18c7 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -603,7 +603,7 @@ config CAVIUM_OCTEON_SIMULATOR
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select SYS_SUPPORTS_HIGHMEM
-	select CPU_CAVIUM_OCTEON
+	select SYS_HAS_CPU_CAVIUM_OCTEON
 	help
 	  The Octeon simulator is software performance model of the Cavium
 	  Octeon Processor. It supports simulating Octeon processors on x86
@@ -618,7 +618,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select SYS_SUPPORTS_HIGHMEM
 	select SYS_HAS_EARLY_PRINTK
-	select CPU_CAVIUM_OCTEON
+	select SYS_HAS_CPU_CAVIUM_OCTEON
 	select SWAP_IO_SPACE
 	help
 	  This option supports all of the Octeon reference boards from Cavium
@@ -1234,6 +1234,7 @@ 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
@@ -1314,6 +1315,9 @@ config SYS_HAS_CPU_RM9000
 config SYS_HAS_CPU_SB1
 	bool
 
+config SYS_HAS_CPU_CAVIUM_OCTEON
+	bool
+
 #
 # CPU may reorder R->R, R->W, W->R, W->W
 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
@@ -1387,6 +1391,7 @@ config 32BIT
 config 64BIT
 	bool "64-bit kernel"
 	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
+	select HAVE_SYSCALL_WRAPPERS
 	help
 	  Select this option if you want to build a 64-bit kernel.
 
diff --git a/arch/mips/alchemy/common/time.c b/arch/mips/alchemy/common/time.c
index 6fd441d16af..f58d4ffb894 100644
--- a/arch/mips/alchemy/common/time.c
+++ b/arch/mips/alchemy/common/time.c
@@ -118,7 +118,7 @@ void __init plat_time_init(void)
 	 * setup counter 1 (RTC) to tick at full speed
 	 */
 	t = 0xffffff;
-	while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S) && t--)
+	while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S) && --t)
 		asm volatile ("nop");
 	if (!t)
 		goto cntr_err;
@@ -127,7 +127,7 @@ void __init plat_time_init(void)
 	au_sync();
 
 	t = 0xffffff;
-	while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S) && t--)
+	while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S) && --t)
 		asm volatile ("nop");
 	if (!t)
 		goto cntr_err;
@@ -135,7 +135,7 @@ void __init plat_time_init(void)
 	au_sync();
 
 	t = 0xffffff;
-	while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S) && t--)
+	while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S) && --t)
 		asm volatile ("nop");
 	if (!t)
 		goto cntr_err;
diff --git a/arch/mips/include/asm/seccomp.h b/arch/mips/include/asm/seccomp.h
index 36ed4407025..a6772e9507f 100644
--- a/arch/mips/include/asm/seccomp.h
+++ b/arch/mips/include/asm/seccomp.h
@@ -1,6 +1,5 @@
 #ifndef __ASM_SECCOMP_H
 
-#include <linux/thread_info.h>
 #include <linux/unistd.h>
 
 #define __NR_seccomp_read __NR_read
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
index a0ff2b66e22..4b4007b3083 100644
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -111,7 +111,6 @@ int show_interrupts(struct seq_file *p, void *v)
 			seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
 #endif
 		seq_printf(p, " %14s", irq_desc[i].chip->name);
-		seq_printf(p, "-%-8s", irq_desc[i].name);
 		seq_printf(p, "  %s", action->name);
 
 		for (action=action->next; action; action = action->next)
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index aa2c55e3b55..2f8452b404c 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -32,6 +32,7 @@
 #include <linux/module.h>
 #include <linux/binfmts.h>
 #include <linux/security.h>
+#include <linux/syscalls.h>
 #include <linux/compat.h>
 #include <linux/vfs.h>
 #include <linux/ipc.h>
@@ -63,9 +64,9 @@
 #define merge_64(r1, r2) ((((r2) & 0xffffffffUL) << 32) + ((r1) & 0xffffffffUL))
 #endif
 
-asmlinkage unsigned long
-sys32_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
-         unsigned long flags, unsigned long fd, unsigned long pgoff)
+SYSCALL_DEFINE6(32_mmap2, unsigned long, addr, unsigned long, len,
+	unsigned long, prot, unsigned long, flags, unsigned long, fd,
+	unsigned long, pgoff)
 {
 	struct file * file = NULL;
 	unsigned long error;
@@ -121,21 +122,21 @@ struct rlimit32 {
 	int	rlim_max;
 };
 
-asmlinkage long sys32_truncate64(const char __user * path,
-	unsigned long __dummy, int a2, int a3)
+SYSCALL_DEFINE4(32_truncate64, const char __user *, path,
+	unsigned long, __dummy, unsigned long, a2, unsigned long, a3)
 {
 	return sys_truncate(path, merge_64(a2, a3));
 }
 
-asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long __dummy,
-	int a2, int a3)
+SYSCALL_DEFINE4(32_ftruncate64, unsigned long, fd, unsigned long, __dummy,
+	unsigned long, a2, unsigned long, a3)
 {
 	return sys_ftruncate(fd, merge_64(a2, a3));
 }
 
-asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high,
-			    unsigned int offset_low, loff_t __user * result,
-			    unsigned int origin)
+SYSCALL_DEFINE5(32_llseek, unsigned long, fd, unsigned long, offset_high,
+	unsigned long, offset_low, loff_t __user *, result,
+	unsigned long, origin)
 {
 	return sys_llseek(fd, offset_high, offset_low, result, origin);
 }
@@ -144,20 +145,20 @@ asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high,
    lseek back to original location.  They fail just like lseek does on
    non-seekable files.  */
 
-asmlinkage ssize_t sys32_pread(unsigned int fd, char __user * buf,
-			       size_t count, u32 unused, u64 a4, u64 a5)
+SYSCALL_DEFINE6(32_pread, unsigned long, fd, char __user *, buf, size_t, count,
+	unsigned long, unused, unsigned long, a4, unsigned long, a5)
 {
 	return sys_pread64(fd, buf, count, merge_64(a4, a5));
 }
 
-asmlinkage ssize_t sys32_pwrite(unsigned int fd, const char __user * buf,
-			        size_t count, u32 unused, u64 a4, u64 a5)
+SYSCALL_DEFINE6(32_pwrite, unsigned int, fd, const char __user *, buf,
+	size_t, count, u32, unused, u64, a4, u64, a5)
 {
 	return sys_pwrite64(fd, buf, count, merge_64(a4, a5));
 }
 
-asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid,
-	struct compat_timespec __user *interval)
+SYSCALL_DEFINE2(32_sched_rr_get_interval, compat_pid_t, pid,
+	struct compat_timespec __user *, interval)
 {
 	struct timespec t;
 	int ret;
@@ -174,8 +175,8 @@ asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid,
 
 #ifdef CONFIG_SYSVIPC
 
-asmlinkage long
-sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth)
+SYSCALL_DEFINE6(32_ipc, u32, call, long, first, long, second, long, third,
+	unsigned long, ptr, unsigned long, fifth)
 {
 	int version, err;
 
@@ -233,8 +234,8 @@ sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth)
 
 #else
 
-asmlinkage long
-sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth)
+SYSCALL_DEFINE6(32_ipc, u32, call, int, first, int, second, int, third,
+	u32, ptr, u32 fifth)
 {
 	return -ENOSYS;
 }
@@ -242,7 +243,7 @@ sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth)
 #endif /* CONFIG_SYSVIPC */
 
 #ifdef CONFIG_MIPS32_N32
-asmlinkage long sysn32_semctl(int semid, int semnum, int cmd, u32 arg)
+SYSCALL_DEFINE4(n32_semctl, int, semid, int, semnum, int, cmd, u32, arg)
 {
 	/* compat_sys_semctl expects a pointer to union semun */
 	u32 __user *uptr = compat_alloc_user_space(sizeof(u32));
@@ -251,13 +252,14 @@ asmlinkage long sysn32_semctl(int semid, int semnum, int cmd, u32 arg)
 	return compat_sys_semctl(semid, semnum, cmd, uptr);
 }
 
-asmlinkage long sysn32_msgsnd(int msqid, u32 msgp, unsigned msgsz, int msgflg)
+SYSCALL_DEFINE4(n32_msgsnd, int, msqid, u32, msgp, unsigned int, msgsz,
+	int, msgflg)
 {
 	return compat_sys_msgsnd(msqid, msgsz, msgflg, compat_ptr(msgp));
 }
 
-asmlinkage long sysn32_msgrcv(int msqid, u32 msgp, size_t msgsz, int msgtyp,
-			      int msgflg)
+SYSCALL_DEFINE5(n32_msgrcv, int, msqi