53 files changed, 287 insertions, 143 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index fdc9d4dbf85b..377a7a595b08 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1540,7 +1540,6 @@ config HIGHMEM
 config HIGHPTE
         bool "Allocate 2nd-level pagetables from highmem"
         depends on HIGHMEM
-        depends on !OUTER_CACHE
 
 config HW_PERF_EVENTS
         bool "Enable hardware performance counter support for perf events"
@@ -2012,6 +2011,8 @@ source "kernel/power/Kconfig"
 
 config ARCH_SUSPEND_POSSIBLE
         depends on !ARCH_S5P64X0 && !ARCH_S5P6442
+        depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \
+                CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE
         def_bool y
 
 endmenu
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 494224a9b459..03d01d783e3b 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -63,17 +63,6 @@ config DEBUG_USER
               8 - SIGSEGV faults
              16 - SIGBUS faults
 
-config DEBUG_ERRORS
-        bool "Verbose kernel error messages"
-        depends on DEBUG_KERNEL
-        help
-          This option controls verbose debugging information which can be
-          printed when the kernel detects an internal error. This debugging
-          information is useful to kernel hackers when tracking down problems,
-          but mostly meaningless to other people. It's safe to say Y unless
-          you are concerned with the code size or don't want to see these
-          messages.
-
 config DEBUG_STACK_USAGE
         bool "Enable stack utilization instrumentation"
         depends on DEBUG_KERNEL
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile
index e7521bca2c35..6ea9b6f3607a 100644
--- a/arch/arm/common/Makefile
+++ b/arch/arm/common/Makefile
@@ -16,5 +16,4 @@ obj-$(CONFIG_SHARP_SCOOP)	+= scoop.o
 obj-$(CONFIG_ARCH_IXP2000)      += uengine.o
 obj-$(CONFIG_ARCH_IXP23XX)      += uengine.o
 obj-$(CONFIG_PCI_HOST_ITE8152)  += it8152.o
-obj-$(CONFIG_COMMON_CLKDEV)     += clkdev.o
 obj-$(CONFIG_ARM_TIMER_SP804)   += timer-sp.o
diff --git a/arch/arm/include/asm/thread_notify.h b/arch/arm/include/asm/thread_notify.h
index c4391ba20350..1dc980675894 100644
--- a/arch/arm/include/asm/thread_notify.h
+++ b/arch/arm/include/asm/thread_notify.h
@@ -43,6 +43,7 @@ static inline void thread_notify(unsigned long rc, struct thread_info *thread)
 #define THREAD_NOTIFY_FLUSH     0
 #define THREAD_NOTIFY_EXIT      1
 #define THREAD_NOTIFY_SWITCH    2
+#define THREAD_NOTIFY_COPY      3
 
 #endif
 #endif
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index 74554f1742d7..8d95446150a3 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -29,7 +29,7 @@ obj-$(CONFIG_MODULES)		+= armksyms.o module.o
 obj-$(CONFIG_ARTHUR)            += arthur.o
 obj-$(CONFIG_ISA_DMA)           += dma-isa.o
 obj-$(CONFIG_PCI)               += bios32.o isa.o
-obj-$(CONFIG_PM)                += sleep.o
+obj-$(CONFIG_PM_SLEEP)          += sleep.o
 obj-$(CONFIG_HAVE_SCHED_CLOCK)  += sched_clock.o
 obj-$(CONFIG_SMP)               += smp.o smp_tlb.o
 obj-$(CONFIG_HAVE_ARM_SCU)      += smp_scu.o
diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c
index d4a0da1e48f4..9b05c6a0dcea 100644
--- a/arch/arm/kernel/elf.c
+++ b/arch/arm/kernel/elf.c
@@ -40,15 +40,22 @@ EXPORT_SYMBOL(elf_check_arch);
 void elf_set_personality(const struct elf32_hdr *x)
 {
         unsigned int eflags = x->e_flags;
-        unsigned int personality = PER_LINUX_32BIT;
+        unsigned int personality = current->personality & ~PER_MASK;
+
+        /*
+         * We only support Linux ELF executables, so always set the
+         * personality to LINUX.
+         */
+        personality |= PER_LINUX;
 
         /*
          * APCS-26 is only valid for OABI executables
          */
-        if ((eflags & EF_ARM_EABI_MASK) == EF_ARM_EABI_UNKNOWN) {
-                if (eflags & EF_ARM_APCS_26)
-                        personality = PER_LINUX;
-        }
+        if ((eflags & EF_ARM_EABI_MASK) == EF_ARM_EABI_UNKNOWN &&
+            (eflags & EF_ARM_APCS_26))
+                personality &= ~ADDR_LIMIT_32BIT;
+        else
+                personality |= ADDR_LIMIT_32BIT;
 
         set_personality(personality);
 
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index 8dbc126f7152..87acc25d7a3e 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -868,6 +868,13 @@ static void reset_ctrl_regs(void *info)
                  */
                 asm volatile("mcr p14, 0, %0, c1, c0, 4" : : "r" (0));
                 isb();
+
+                /*
+                 * Clear any configured vector-catch events before
+                 * enabling monitor mode.
+                 */
+                asm volatile("mcr p14, 0, %0, c0, c7, 0" : : "r" (0));
+                isb();
         }
 
         if (enable_monitor_mode())
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 69cfee0fe00f..979da3947f42 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -221,7 +221,7 @@ again:
         prev_raw_count &= armpmu->max_period;
 
         if (overflow)
-                delta = armpmu->max_period - prev_raw_count + new_raw_count;
+                delta = armpmu->max_period - prev_raw_count + new_raw_count + 1;
         else
                 delta = new_raw_count - prev_raw_count;
 
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 94bbedbed639..5e1e54197227 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -372,6 +372,8 @@ copy_thread(unsigned long clone_flags, unsigned long stack_start,
         if (clone_flags & CLONE_SETTLS)
                 thread->tp_value = regs->ARM_r3;
 
+        thread_notify(THREAD_NOTIFY_COPY, thread);
+
         return 0;
 }
 
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index f0000e188c8c..3b54ad19d489 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -410,8 +410,7 @@ static int bad_syscall(int n, struct pt_regs *regs)
         struct thread_info *thread = current_thread_info();
         siginfo_t info;
 
-        if (current->personality != PER_LINUX &&
-            current->personality != PER_LINUX_32BIT &&
+        if ((current->personality & PER_MASK) != PER_LINUX &&
             thread->exec_domain->handler) {
                 thread->exec_domain->handler(n, regs);
                 return regs->ARM_r0;
diff --git a/arch/arm/mach-mmp/include/mach/gpio.h b/arch/arm/mach-mmp/include/mach/gpio.h
index ee8b02ed8011..7bfb827f3fe3 100644
--- a/arch/arm/mach-mmp/include/mach/gpio.h
+++ b/arch/arm/mach-mmp/include/mach/gpio.h
@@ -10,7 +10,7 @@
 #define BANK_OFF(n)     (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
 #define GPIO_REG(x)     (*((volatile u32 *)(GPIO_REGS_VIRT + (x))))
 
-#define NR_BUILTIN_GPIO (192)
+#define NR_BUILTIN_GPIO         IRQ_GPIO_NUM
 
 #define gpio_to_bank(gpio)      ((gpio) >> 5)
 #define gpio_to_irq(gpio)       (IRQ_GPIO_START + (gpio))
diff --git a/arch/arm/mach-mmp/include/mach/mfp-pxa168.h b/arch/arm/mach-mmp/include/mach/mfp-pxa168.h
index 4621067c7720..713be155a44d 100644
--- a/arch/arm/mach-mmp/include/mach/mfp-pxa168.h
+++ b/arch/arm/mach-mmp/include/mach/mfp-pxa168.h
@@ -8,6 +8,15 @@
 #define MFP_DRIVE_MEDIUM        (0x2 << 13)
 #define MFP_DRIVE_FAST          (0x3 << 13)
 
+#undef MFP_CFG
+#undef MFP_CFG_DRV
+
+#define MFP_CFG(pin, af)                \
+        (MFP_LPM_INPUT | MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DRIVE_MEDIUM)
+
+#define MFP_CFG_DRV(pin, af, drv)       \
+        (MFP_LPM_INPUT | MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_DRIVE_##drv)
+
 /* GPIO */
 #define GPIO0_GPIO              MFP_CFG(GPIO0, AF5)
 #define GPIO1_GPIO              MFP_CFG(GPIO1, AF5)
diff --git a/arch/arm/mach-pxa/include/mach/gpio.h b/arch/arm/mach-pxa/include/mach/gpio.h
index b024a8b37439..c4639502efca 100644
--- a/arch/arm/mach-pxa/include/mach/gpio.h
+++ b/arch/arm/mach-pxa/include/mach/gpio.h
@@ -99,11 +99,24 @@
 #define GAFR(x)         GPIO_REG(0x54 + (((x) & 0x70) >> 2))
 
 
-#define NR_BUILTIN_GPIO 128
+#define NR_BUILTIN_GPIO         PXA_GPIO_IRQ_NUM
 
 #define gpio_to_bank(gpio)      ((gpio) >> 5)
 #define gpio_to_irq(gpio)       IRQ_GPIO(gpio)
-#define irq_to_gpio(irq)        IRQ_TO_GPIO(irq)
+
+static inline int irq_to_gpio(unsigned int irq)
+{
+        int gpio;
+
+        if (irq == IRQ_GPIO0 || irq == IRQ_GPIO1)
+                return irq - IRQ_GPIO0;
+
+        gpio = irq - PXA_GPIO_IRQ_BASE;
+        if (gpio >= 2 && gpio < NR_BUILTIN_GPIO)
+                return gpio;
+
+        return -1;
+}
 
 #ifdef CONFIG_CPU_PXA26x
 /* GPIO86/87/88/89 on PXA26x have their direction bits in GPDR2 inverted,
diff --git a/arch/arm/mach-pxa/include/mach/irqs.h b/arch/arm/mach-pxa/include/mach/irqs.h
index a4285fc00878..038402404e39 100644
--- a/arch/arm/mach-pxa/include/mach/irqs.h
+++ b/arch/arm/mach-pxa/include/mach/irqs.h
@@ -93,9 +93,6 @@
 #define GPIO_2_x_TO_IRQ(x)      (PXA_GPIO_IRQ_BASE + (x))
 #define IRQ_GPIO(x)     (((x) < 2) ? (IRQ_GPIO0 + (x)) : GPIO_2_x_TO_IRQ(x))
 
-#define IRQ_TO_GPIO_2_x(i)      ((i) - PXA_GPIO_IRQ_BASE)
-#define IRQ_TO_GPIO(i)  (((i) < IRQ_GPIO(2)) ? ((i) - IRQ_GPIO0) : IRQ_TO_GPIO_2_x(i))
-
 /*
  * The following interrupts are for board specific purposes. Since
  * the kernel can only run on one machine at a time, we can re-use
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index 6bde5956358d..a4af8c52d7ee 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -285,7 +285,7 @@ static inline void pxa25x_init_pm(void) {}
 
 static int pxa25x_set_wake(struct irq_data *d, unsigned int on)
 {
-        int gpio = IRQ_TO_GPIO(d->irq);
+        int gpio = irq_to_gpio(d->irq);
         uint32_t mask = 0;
 
         if (gpio >= 0 && gpio < 85)
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 1cb5d0f9723f..909756eaf4b7 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -345,7 +345,7 @@ static inline void pxa27x_init_pm(void) {}
  */
 static int pxa27x_set_wake(struct irq_data *d, unsigned int on)
 {
-        int gpio = IRQ_TO_GPIO(d->irq);
+        int gpio = irq_to_gpio(d->irq);
         uint32_t mask;
 
         if (gpio >= 0 && gpio < 128)
diff --git a/arch/arm/mach-tegra/gpio.c b/arch/arm/mach-tegra/gpio.c
index 76a3f654220f..65a1aba6823d 100644
--- a/arch/arm/mach-tegra/gpio.c
+++ b/arch/arm/mach-tegra/gpio.c
@@ -257,7 +257,8 @@ static void tegra_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
 void tegra_gpio_resume(void)
 {
         unsigned long flags;
-        int b, p, i;
+        int b;
+        int p;
 
         local_irq_save(flags);
 
@@ -280,7 +281,8 @@ void tegra_gpio_resume(void)
 void tegra_gpio_suspend(void)
 {
         unsigned long flags;
-        int b, p, i;
+        int b;
+        int p;
 
         local_irq_save(flags);
         for (b = 0; b < ARRAY_SIZE(tegra_gpio_banks); b++) {
diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c
index 6d7c4eea4dcb..4459470c052d 100644
--- a/arch/arm/mach-tegra/tegra2_clocks.c
+++ b/arch/arm/mach-tegra/tegra2_clocks.c
@@ -1362,14 +1362,15 @@ static int tegra_clk_shared_bus_set_rate(struct clk *c, unsigned long rate)
 {
         unsigned long flags;
         int ret;
+        long new_rate = rate;
 
-        rate = clk_round_rate(c->parent, rate);
-        if (rate < 0)
-                return rate;
+        new_rate = clk_round_rate(c->parent, new_rate);
+        if (new_rate < 0)
+                return new_rate;
 
         spin_lock_irqsave(&c->parent->spinlock, flags);
 
-        c->u.shared_bus_user.rate = rate;
+        c->u.shared_bus_user.rate = new_rate;
         ret = tegra_clk_shared_bus_update(c->parent);
 
         spin_unlock_irqrestore(&c->parent->spinlock, flags);
diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
index afe209e1e1f8..74be05f3e03a 100644
--- a/arch/arm/mm/mmap.c
+++ b/arch/arm/mm/mmap.c
@@ -7,6 +7,7 @@
 #include <linux/shm.h>
 #include <linux/sched.h>
 #include <linux/io.h>
+#include <linux/personality.h>
 #include <linux/random.h>
 #include <asm/cputype.h>
 #include <asm/system.h>
@@ -82,7 +83,8 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
                 mm->cached_hole_size = 0;
         }
         /* 8 bits of randomness in 20 address space bits */
-        if (current->flags & PF_RANDOMIZE)
+        if ((current->flags & PF_RANDOMIZE) &&
+            !(current->personality & ADDR_NO_RANDOMIZE))
                 addr += (get_random_int() % (1 << 8)) << PAGE_SHIFT;
 
 full_search:
diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S
index b46eb21f05c7..bf8a1d1cccb6 100644
--- a/arch/arm/mm/proc-arm920.S
+++ b/arch/arm/mm/proc-arm920.S
@@ -390,7 +390,7 @@ ENTRY(cpu_arm920_set_pte_ext)
 /* Suspend/resume support: taken from arch/arm/plat-s3c24xx/sleep.S */
 .globl  cpu_arm920_suspend_size
 .equ    cpu_arm920_suspend_size, 4 * 3
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 ENTRY(cpu_arm920_do_suspend)
         stmfd   sp!, {r4 - r7, lr}
         mrc     p15, 0, r4, c13, c0, 0  @ PID
diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S
index 6a4bdb2c94a7..0ed85d930c09 100644
--- a/arch/arm/mm/proc-arm926.S
+++ b/arch/arm/mm/proc-arm926.S
@@ -404,7 +404,7 @@ ENTRY(cpu_arm926_set_pte_ext)
 /* Suspend/resume support: taken from arch/arm/plat-s3c24xx/sleep.S */
 .globl  cpu_arm926_suspend_size
 .equ    cpu_arm926_suspend_size, 4 * 3
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 ENTRY(cpu_arm926_do_suspend)
         stmfd   sp!, {r4 - r7, lr}
         mrc     p15, 0, r4, c13, c0, 0  @ PID
diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S
index 74483d1977fe..184a9c997e36 100644
--- a/arch/arm/mm/proc-sa1100.S
+++ b/arch/arm/mm/proc-sa1100.S
@@ -171,7 +171,7 @@ ENTRY(cpu_sa1100_set_pte_ext)
 
 .globl  cpu_sa1100_suspend_size
 .equ    cpu_sa1100_suspend_size, 4*4
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 ENTRY(cpu_sa1100_do_suspend)
         stmfd   sp!, {r4 - r7, lr}
         mrc     p15, 0, r4, c3, c0, 0           @ domain ID
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index bfa0c9f611c5..7c99cb4c8e4f 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -124,7 +124,7 @@ ENTRY(cpu_v6_set_pte_ext)
 /* Suspend/resume support: taken from arch/arm/mach-s3c64xx/sleep.S */
 .globl  cpu_v6_suspend_size
 .equ    cpu_v6_suspend_size, 4 * 8
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 ENTRY(cpu_v6_do_suspend)
         stmfd   sp!, {r4 - r11, lr}
         mrc     p15, 0, r4, c13, c0, 0  @ FCSE/PID
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index c35618e42f6f..babfba09c89f 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -211,7 +211,7 @@ cpu_v7_name:
 /* Suspend/resume support: derived from arch/arm/mach-s5pv210/sleep.S */
 .globl  cpu_v7_suspend_size
 .equ    cpu_v7_suspend_size, 4 * 8
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 ENTRY(cpu_v7_do_suspend)
         stmfd   sp!, {r4 - r11, lr}
         mrc     p15, 0, r4, c13, c0, 0  @ FCSE/PID
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
index 63d8b2044e84..596213699f37 100644
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -417,7 +417,7 @@ ENTRY(cpu_xsc3_set_pte_ext)
 
 .globl  cpu_xsc3_suspend_size
 .equ    cpu_xsc3_suspend_size, 4 * 8
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 ENTRY(cpu_xsc3_do_suspend)
         stmfd   sp!, {r4 - r10, lr}
         mrc     p14, 0, r4, c6, c0, 0   @ clock configuration, for turbo mode
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S
index 086038cd86ab..ce233bcbf506 100644
--- a/arch/arm/mm/proc-xscale.S
+++ b/arch/arm/mm/proc-xscale.S
@@ -518,7 +518,7 @@ ENTRY(cpu_xscale_set_pte_ext)
 
 .globl  cpu_xscale_suspend_size
 .equ    cpu_xscale_suspend_size, 4 * 7
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 ENTRY(cpu_xscale_do_suspend)
         stmfd   sp!, {r4 - r10, lr}
         mrc     p14, 0, r4, c6, c0, 0   @ clock configuration, for turbo mode
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index bbf3da012afd..f74695075e64 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -78,6 +78,14 @@ static void vfp_thread_exit(struct thread_info *thread)
         put_cpu();
 }
 
+static void vfp_thread_copy(struct thread_info *thread)
+{
+        struct thread_info *parent = current_thread_info();
+
+        vfp_sync_hwstate(parent);
+        thread->vfpstate = parent->vfpstate;
+}
+
 /*
  * When this function is called with the following 'cmd's, the following
  * is true while this function is being run:
@@ -104,12 +112,17 @@ static void vfp_thread_exit(struct thread_info *thread)
 static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
 {
         struct thread_info *thread = v;
+        u32 fpexc;
+#ifdef CONFIG_SMP
+        unsigned int cpu;
+#endif
 
-        if (likely(cmd == THREAD_NOTIFY_SWITCH)) {
-                u32 fpexc = fmrx(FPEXC);
+        switch (cmd) {
+        case THREAD_NOTIFY_SWITCH:
+                fpexc = fmrx(FPEXC);
 
 #ifdef CONFIG_SMP
-                unsigned int cpu = thread->cpu;
+                cpu = thread->cpu;
 
                 /*
                  * On SMP, if VFP is enabled, save the old state in
@@ -134,13 +147,20 @@ static int vfp_notifier(struct notifier_block *self, unsigned long cmd, void *v)
                  * old state.
                  */
                 fmxr(FPEXC, fpexc & ~FPEXC_EN);
-                return NOTIFY_DONE;
-        }
+                break;
 
-        if (cmd == THREAD_NOTIFY_FLUSH)
+        case THREAD_NOTIFY_FLUSH:
                 vfp_thread_flush(thread);
-        else
+                break;
+
+        case THREAD_NOTIFY_EXIT:
                 vfp_thread_exit(thread);
+                break;
+
+        case THREAD_NOTIFY_COPY:
+                vfp_thread_copy(thread);
+                break;
+        }
 
         return NOTIFY_DONE;
 }
diff --git a/arch/avr32/include/asm/setup.h b/arch/avr32/include/asm/setup.h
index ff5b7cf6be4d..160543dbec7e 100644
--- a/arch/avr32/include/asm/setup.h
+++ b/arch/avr32/include/asm/setup.h
@@ -94,6 +94,13 @@ struct tag_ethernet {
 
 #define ETH_INVALID_PHY 0xff
 
+/* board information */
+#define ATAG_BOARDINFO  0x54410008
+
+struct tag_boardinfo {
+        u32     board_number;
+};
+
 struct tag {
         struct tag_header hdr;
         union {
@@ -102,6 +109,7 @@ struct tag {
                 struct tag_cmdline cmdline;
                 struct tag_clock clock;
                 struct tag_ethernet ethernet;
+                struct tag_boardinfo boardinfo;
         } u;
 };
 
@@ -128,6 +136,7 @@ extern struct tag *bootloader_tags;
 
 extern resource_size_t fbmem_start;
 extern resource_size_t fbmem_size;
+extern u32 board_number;
 
 void setup_processor(void);
 
diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c
index 5c7083916c33..bb0974cce4ac 100644
--- a/arch/avr32/kernel/setup.c
+++ b/arch/avr32/kernel/setup.c
@@ -391,6 +391,21 @@ static int __init parse_tag_clock(struct tag *tag)
 __tagtable(ATAG_CLOCK, parse_tag_clock);
 
 /*
+ * The board_number correspond to the bd->bi_board_number in U-Boot. This
+ * parameter is only available during initialisation and can be used in some
+ * kind of board identification.
+ */
+u32 __initdata board_number;
+
+static int __init parse_tag_boardinfo(struct tag *tag)
+{
+        board_number = tag->u.boardinfo.board_number;
+
+        return 0;
+}
+__tagtable(ATAG_BOARDINFO, parse_tag_boardinfo);
+
+/*
  * Scan the tag table for this tag, and call its parse function. The
  * tag table is built by the linker from all the __tagtable
  * declarations.
diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c
index b91b2044af9c..7aa25756412f 100644
--- a/arch/avr32/kernel/traps.c
+++ b/arch/avr32/kernel/traps.c
@@ -95,28 +95,6 @@ void _exception(long signr, struct pt_regs *regs, int code,
         info.si_code = code;
         info.si_addr = (void __user *)addr;
         force_sig_info(signr, &info, current);
-
-        /*
-         * Init gets no signals that it doesn't have a handler for.
-         * That's all very well, but if it has caused a synchronous
-         * exception and we ignore the resulting signal, it will just
-         * generate the same exception over and over again and we get
-         * nowhere.  Better to kill it and let the kernel panic.
-         */
-        if (is_global_init(current)) {
-                __sighandler_t handler;
-
-                spin_lock_irq(&current->sighand->siglock);
-                handler = current->sighand->action[signr-1].sa.sa_handler;
-                spin_unlock_irq(&current->sighand->siglock);
-                if (handler == SIG_DFL) {
-                        /* init has generated a synchronous exception
-                           and it doesn't have a handler for the signal */
-                        printk(KERN_CRIT "init has generated signal %ld "
-                               "but has no handler for it\n", signr);
-                        do_exit(signr);
-                }
-        }
 }
 
 asmlinkage void do_nmi(unsigned long ecr, struct pt_regs *regs)
diff --git a/arch/avr32/mach-at32ap/clock.c b/arch/avr32/mach-at32ap/clock.c
index 442f08c5e641..86925fd6ea5b 100644
--- a/arch/avr32/mach-at32ap/clock.c
+++ b/arch/avr32/mach-at32ap/clock.c
@@ -35,22 +35,30 @@ void at32_clk_register(struct clk *clk)
         spin_unlock(&clk_list_lock);
 }
 
-struct clk *clk_get(struct device *dev, const char *id)
+static struct clk *__clk_get(struct device *dev, const char *id)
 {
         struct clk *clk;
 
-        spin_lock(&clk_list_lock);
-
         list_for_each_entry(clk, &at32_clock_list, list) {
                 if (clk->dev == dev && strcmp(id, clk->name) == 0) {
-                        spin_unlock(&clk_list_lock);
                         return clk;
                 }
         }
 
-        spin_unlock(&clk_list_lock);
         return ERR_PTR(-ENOENT);
 }
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+        struct clk *clk;
+
+        spin_lock(&clk_list_lock);
+        clk = __clk_get(dev, id);
+        spin_unlock(&clk_list_lock);
+
+        return clk;
+}
+
 EXPORT_SYMBOL(clk_get);
 
 void clk_put(struct clk *clk)
@@ -257,15 +265,15 @@ static int clk_show(struct seq_file *s, void *unused)
         spin_lock(&clk_list_lock);
 
         /* show clock tree as derived from the three oscillators */
-        clk = clk_get(NULL, "osc32k");
+        clk = __clk_get(NULL, "osc32k");
         dump_clock(clk, &r);
         clk_put(clk);
 
-        clk = clk_get(NULL, "osc0");
+        clk = __clk_get(NULL, "osc0");
         dump_clock(clk, &r);
         clk_put(clk);
 
-        clk = clk_get(NULL, "osc1");
+        clk = __clk_get(NULL, "osc1");
         dump_clock(clk, &r);
         clk_put(clk);
 
diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c
index 47ba4b9b6db1..fbc2aeaebddb 100644
--- a/arch/avr32/mach-at32ap/extint.c
+++ b/arch/avr32/mach-at32ap/extint.c
@@ -61,34 +61,34 @@ struct eic {
 static struct eic *nmi_eic;
 static bool nmi_enabled;
 
-static void eic_ack_irq(struct irq_chip *d)
+static void eic_ack_irq(struct irq_data *d)
 {
-        struct eic *eic = irq_data_get_irq_chip_data(data);
+        struct eic *eic = irq_data_get_irq_chip_data(d);
         eic_writel(eic, ICR, 1 << (d->irq - eic->first_irq));
 }
 
-static void eic_mask_irq(struct irq_chip *d)
+static void eic_mask_irq(struct irq_data *d)
 {
-        struct eic *eic = irq_data_get_irq_chip_data(data);
+        struct eic *eic = irq_data_get_irq_chip_data(d);
         eic_writel(eic, IDR, 1 << (d->irq - eic->first_irq));
 }
 
-static void eic_mask_ack_irq(struct irq_chip *d)
+static void eic_mask_ack_irq(struct irq_data *d)
 {
-        struct eic *eic = irq_data_get_irq_chip_data(data);
+        struct eic *eic = irq_data_get_irq_chip_data(d);
         eic_writel(eic, ICR, 1 << (d->irq - eic->first_irq));
         eic_writel(eic, IDR, 1 << (d->irq - eic->first_irq));
 }
 
-static void eic_unmask_irq(struct irq_chip *d)
+static void eic_unmask_irq(struct irq_data *d)
 {
-        struct eic *eic = irq_data_get_irq_chip_data(data);
+        struct eic *eic = irq_data_get_irq_chip_data(d);
         eic_writel(eic, IER, 1 << (d->irq - eic->first_irq));
 }
 
-static int eic_set_irq_type(struct irq_chip *d, unsigned int flow_type)
+static int eic_set_irq_type(struct irq_data *d, unsigned int flow_type)
 {
-        struct eic *eic = irq_data_get_irq_chip_data(data);
+        struct eic *eic = irq_data_get_irq_chip_data(d);
         unsigned int irq = d->irq;
         unsigned int i = irq - eic->first_irq;
         u32 mode, edge, level;
@@ -191,7 +191,7 @@ static int __init eic_probe(struct platform_device *pdev)
 
         regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         int_irq = platform_get_irq(pdev, 0);
-        if (!regs || !int_irq) {
+        if (!regs || (int)int_irq <= 0) {
                 dev_dbg(&pdev->dev, "missing regs and/or irq resource\n");
                 return -ENXIO;
         }
diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
index f308e1ddc629..2e0aa853a4bc 100644
--- a/arch/avr32/mach-at32ap/pio.c
+++ b/arch/avr32/mach-at32ap/pio.c
@@ -257,7 +257,7 @@ static void gpio_irq_mask(struct irq_data *d)
         pio_writel(pio, IDR, 1 << (gpio & 0x1f));
 }
 
-static void gpio_irq_unmask(struct irq_data *d))
+static void gpio_irq_unmask(struct irq_data *d)
 {
         unsigned                gpio = irq_to_gpio(d->irq);
         struct pio_device       *pio = &pio_dev[gpio >> 5];
diff --git a/arch/avr32/mach-at32ap/pm-at32ap700x.S b/arch/avr32/mach-at32ap/pm-at32ap700x.S
index 17503b0ed6c9..f868f4ce761b 100644
--- a/arch/avr32/mach-at32ap/pm-at32ap700x.S
+++ b/arch/avr32/mach-at32ap/pm-at32ap700x.S
@@ -53,7 +53,7 @@ cpu_enter_idle:
         st.w    r8[TI_flags], r9
         unmask_interrupts
         sleep   CPU_SLEEP_IDLE
-        .size   cpu_idle_sleep, . - cpu_idle_sleep
+        .size   cpu_enter_idle, . - cpu_enter_idle
 
         /*
          * Common return path for PM functions that don't run from
diff --git a/arch/blackfin/include/asm/system.h b/arch/blackfin/include/asm/system.h
index 19e2c7c3e63a..44bd0cced725 100644
--- a/arch/blackfin/include/asm/system.h
+++ b/arch/blackfin/include/asm/system.h
@@ -19,11 +19,11 @@
  * Force strict CPU ordering.
  */
 #define nop()  __asm__ __volatile__ ("nop;\n\t" : : )
-#define mb()   __asm__ __volatile__ (""   : : : "memory")
-#define rmb()  __asm__ __volatile__ (""   : : : "memory")
-#define wmb()  __asm__ __volatile__ (""   : : : "memory")
-#define set_mb(var, value) do { (void) xchg(&var, value); } while (0)
-#define read_barrier_depends()          do { } while(0)
+#define smp_mb()  mb()
+#define smp_rmb() rmb()
+#define smp_wmb() wmb()
+#define set_mb(var, value) do { var = value; mb(); } while (0)
+#define smp_read_barrier_depends()      read_barrier_depends()
 
 #ifdef CONFIG_SMP
 asmlinkage unsigned long __raw_xchg_1_asm(volatile void *ptr, unsigned long value);
@@ -37,16 +37,16 @@ asmlinkage unsigned long __raw_cmpxchg_4_asm(volatile void *ptr,
                                         unsigned long new, unsigned long old);
 
 #ifdef __ARCH_SYNC_CORE_DCACHE
-# define smp_mb()       do { barrier(); smp_check_barrier(); smp_mark_barrier(); } while (0)
-# define smp_rmb()      do { barrier(); smp_check_barrier(); } while (0)
-# define smp_wmb()      do { barrier(); smp_mark_barrier(); } while (0)
-#define smp_read_barrier_depends()      do { barrier(); smp_check_barrier(); } while (0)
-
+/* Force Core data cache coherence */
+# define mb()   do { barrier(); smp_check_barrier(); smp_mark_barrier(); } while (0)
+# define rmb()  do { barrier(); smp_check_barrier(); } while (0)
+# define wmb()  do { barrier(); smp_mark_barrier(); } while (0)
+# define read_barrier_depends() do { barrier(); smp_check_barrier(); } while (0)
 #else
-# define smp_mb()       barrier()
-# define smp_rmb()      barrier()
-# define smp_wmb()      barrier()
-#define smp_read_barrier_depends()      barrier()
+# define mb()   barrier()
+# define rmb()  barrier()
+# define wmb()  barrier()
+# define read_barrier_depends() do { } while (0)
 #endif
 
 static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
@@ -99,10 +99,10 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
 
 #else /* !CONFIG_SMP */
 
-#define smp_mb()        barrier()
-#define smp_rmb()       barrier()
-#define smp_wmb()       barrier()
-#define smp_read_barrier_depends()      do { } while(0)
+#define mb()    barrier()
+#define rmb()   barrier()
+#define wmb()   barrier()
+#define read_barrier_depends()  do { } while (0)
 
 struct __xchg_dummy {
         unsigned long a[100];
diff --git a/arch/blackfin/kernel/gptimers.c b/arch/blackfin/kernel/gptimers.c
index cdbe075de1dc..8b81dc04488a 100644
--- a/arch/blackfin/kernel/gptimers.c
+++ b/arch/blackfin/kernel/gptimers.c
@@ -268,7 +268,7 @@ void disable_gptimers(uint16_t mask)
         _disable_gptimers(mask);
         for (i = 0; i < MAX_BLACKFIN_GPTIMERS; ++i)
                 if (mask & (1 << i))
-                        group_regs[BFIN_TIMER_OCTET(i)]->status |= trun_mask[i];
+                        group_regs[BFIN_TIMER_OCTET(i)]->status = trun_mask[i];
         SSYNC();
 }
 EXPORT_SYMBOL(disable_gptimers);
diff --git a/arch/blackfin/kernel/time-ts.c b/arch/blackfin/kernel/time-ts.c
index 8c9a43daf80f..cdb4beb6bc8f 100644
--- a/arch/blackfin/kernel/time-ts.c
+++ b/arch/blackfin/kernel/time-ts.c
@@ -206,8 +206,14 @@ irqreturn_t bfin_gptmr0_interrupt(int irq, void *dev_id)
 {
         struct clock_event_device *evt = dev_id;
         smp_mb();
-        evt->event_handler(evt);
+        /*
+         * We want to ACK before we handle so that we can handle smaller timer
+         * intervals.  This way if the timer expires again while we're handling
+         * things, we're more likely to see that 2nd int rather than swallowing
+         * it by ACKing the int at the end of this handler.
+         */
         bfin_gptmr0_ack();
+        evt->event_handler(evt);
         return IRQ_HANDLED;
 }
 
diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c
index 6e17a265c4d3..8bce5ed031e4 100644
--- a/arch/blackfin/mach-common/smp.c
+++ b/arch/blackfin/mach-common/smp.c
@@ -109,10 +109,23 @@ static void ipi_flush_icache(void *info)
         struct blackfin_flush_data *fdata = info;
 
         /* Invalidate the memory holding the bounds of the flushed region. */
-        invalidate_dcache_range((unsigned long)fdata,
-                (unsigned long)fdata + sizeof(*fdata));
+        blackfin_dcache_invalidate_range((unsigned long)fdata,
+                                         (unsigned long)fdata + sizeof(*fdata));
+
+        /* Make sure all write buffers in the data side of the core
+         * are flushed before trying to invalidate the icache.  This
+         * needs to be after the data flush and before the icache
+         * flush so that the SSYNC does the right thing in preventing
+         * the instruction prefetcher from hitting things in cached
+         * memory at the wrong time -- it runs much further ahead than
+         * the pipeline.
+         */
+        SSYNC();
 
-        flush_icache_range(fdata->start, fdata->end);
+        /* ipi_flaush_icache is invoked by generic flush_icache_range,
+         * so call blackfin arch icache flush directly here.
+         */
+        blackfin_icache_flush_range(fdata->start, fdata->end);
 }
 
 static void ipi_call_function(unsigned int cpu, struct ipi_message *msg)
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 26d851d385bb..29e17907d9f2 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -343,10 +343,14 @@
 #define __NR_fanotify_init      337
 #define __NR_fanotify_mark      338
 #define __NR_prlimit64          339
+#define __NR_name_to_handle_at  340
+#define __NR_open_by_handle_at  341
+#define __NR_clock_adjtime      342
+#define __NR_syncfs             343
 
 #ifdef __KERNEL__
 
-#define NR_syscalls             340
+#define NR_syscalls             344
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
diff --git a/arch/m68k/kernel/entry_mm.S b/arch/m68k/kernel/entry_mm.S
index 1559dea36e55..1359ee659574 100644
--- a/arch/m68k/kernel/entry_mm.S
+++ b/arch/m68k/kernel/entry_mm.S
@@ -750,4 +750,8 @@ sys_call_table:
         .long sys_fanotify_init
         .long sys_fanotify_mark
         .long sys_prlimit64
+        .long sys_name_to_handle_at     /* 340 */
+        .long sys_open_by_handle_at
+        .long sys_clock_adjtime
+        .long sys_syncfs
 
diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S
index 79b1ed198c07..9b8393d8adb8 100644
--- a/arch/m68k/kernel/syscalltable.S
+++ b/arch/m68k/kernel/syscalltable.S
@@ -358,6 +358,10 @@ ENTRY(sys_call_table)
         .long sys_fanotify_init
         .long sys_fanotify_mark
         .long sys_prlimit64
+        .long sys_name_to_handle_at     /* 340 */
+        .long sys_open_by_handle_at
+        .long sys_clock_adjtime
+        .long sys_syncfs
 
         .rept NR_syscalls-(.-sys_call_table)/4
                 .long sys_ni_syscall
diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index c00d4ca1ee15..28581f1ad2c0 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -527,7 +527,7 @@ static int ibmebus_bus_pm_resume_noirq(struct device *dev)
 
 #endif /* !CONFIG_SUSPEND */
 
-#ifdef CONFIG_HIBERNATION
+#ifdef CONFIG_HIBERNATE_CALLBACKS
 
 static int ibmebus_bus_pm_freeze(struct device *dev)
 {
@@ -665,7 +665,7 @@ static int ibmebus_bus_pm_restore_noirq(struct device *dev)
         return ret;
 }
 
-#else /* !CONFIG_HIBERNATION */
+#else /* !CONFIG_HIBERNATE_CALLBACKS */
 
 #define ibmebus_bus_pm_freeze           NULL
 #define ibmebus_bus_pm_thaw             NULL
@@ -676,7 +676,7 @@ static int ibmebus_bus_pm_restore_noirq(struct device *dev)
 #define ibmebus_bus_pm_poweroff_noirq   NULL
 #define ibmebus_bus_pm_restore_noirq    NULL
 
-#endif /* !CONFIG_HIBERNATION */
+#endif /* !CONFIG_HIBERNATE_CALLBACKS */
 
 static struct dev_pm_ops ibmebus_bus_dev_pm_ops = {
         .prepare = ibmebus_bus_pm_prepare,
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 14232d57369c..49798532b477 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -1457,7 +1457,6 @@ int fsl_rio_setup(struct platform_device *dev)
         port->ops = ops;
         port->priv = priv;
         port->phys_efptr = 0x100;
-        rio_register_mport(port);
 
         priv->regs_win = ioremap(regs.start, regs.end - regs.start + 1);
         rio_regs_win = priv->regs_win;
@@ -1504,6 +1503,9 @@ int fsl_rio_setup(struct platform_device *dev)
         dev_info(&dev->dev, "RapidIO Common Transport System size: %d\n",
                         port->sys_size ? 65536 : 256);
 
+        if (rio_register_mport(port))
+                goto err;
+
         if (port->host_deviceid >= 0)
                 out_be32(priv->regs_win + RIO_GCCSR, RIO_PORT_GEN_HOST |
                         RIO_PORT_GEN_MASTER | RIO_PORT_GEN_DISCOVERED);
diff --git a/arch/um/Kconfig.x86 b/arch/um/Kconfig.x86
index 02fb017fed47..a9da516a5274 100644
--- a/arch/um/Kconfig.x86
+++ b/arch/um/Kconfig.x86
@@ -4,6 +4,10 @@ menu "UML-specific options"
 
 menu "Host processor type and features"
 
+config CMPXCHG_LOCAL
+        bool
+        default n
+
 source "arch/x86/Kconfig.cpu"
 
 endmenu
diff --git a/arch/um/include/asm/bug.h b/arch/um/include/asm/bug.h
new file mode 100644
index 000000000000..9e33b864c359
--- /dev/null
+++ b/arch/um/include/asm/bug.h
@@ -0,0 +1,6 @@
+#ifndef __UM_BUG_H
+#define __UM_BUG_H
+
+#include <asm-generic/bug.h>
+
+#endif
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index fd5a1f365c95..3cce71413d0b 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -96,11 +96,15 @@
 #define MSR_IA32_MC0_ADDR               0x00000402
 #define MSR_IA32_MC0_MISC               0x00000403
 
+#define MSR_AMD64_MC0_MASK              0xc0010044
+
 #define MSR_IA32_MCx_CTL(x)             (MSR_IA32_MC0_CTL + 4*(x))
 #define MSR_IA32_MCx_STATUS(x)          (MSR_IA32_MC0_STATUS + 4*(x))
 #define MSR_IA32_MCx_ADDR(x)            (MSR_IA32_MC0_ADDR + 4*(x))
 #define MSR_IA32_MCx_MISC(x)            (MSR_IA32_MC0_MISC + 4*(x))
 
+#define MSR_AMD64_MCx_MASK(x)           (MSR_AMD64_MC0_MASK + (x))
+
 /* These are consecutive and not in the normal 4er MCE bank block */
 #define MSR_IA32_MC0_CTL2               0x00000280
 #define MSR_IA32_MCx_CTL2(x)            (MSR_IA32_MC0_CTL2 + (x))
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 3ecece0217ef..3532d3bf8105 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -615,6 +615,25 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
         /* As a rule processors have APIC timer running in deep C states */
         if (c->x86 >= 0xf && !cpu_has_amd_erratum(amd_erratum_400))
                 set_cpu_cap(c, X86_FEATURE_ARAT);
+
+        /*
+         * Disable GART TLB Walk Errors on Fam10h. We do this here
+         * because this is always needed when GART is enabled, even in a
+         * kernel which has no MCE support built in.
+         */
+        if (c->x86 == 0x10) {
+                /*
+                 * BIOS should disable GartTlbWlk Errors themself. If
+                 * it doesn't do it here as suggested by the BKDG.
+                 *
+                 * Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=33012
+                 */
+                u64 mask;
+
+                rdmsrl(MSR_AMD64_MCx_MASK(4), mask);
+                mask |= (1 << 10);
+                wrmsrl(MSR_AMD64_MCx_MASK(4), mask);
+        }
 }
 
 #ifdef CONFIG_X86_32
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index c2871d3c71b6..8ed8908cc9f7 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -312,6 +312,26 @@ void __cpuinit smp_store_cpu_info(int id)
                 identify_secondary_cpu(c);
 }
 
+static void __cpuinit check_cpu_siblings_on_same_node(int cpu1, int cpu2)
+{
+        int node1 = early_cpu_to_node(cpu1);
+        int node2 = early_cpu_to_node(cpu2);
+
+        /*
+         * Our CPU scheduler assumes all logical cpus in the same physical cpu
+         * share the same node. But, buggy ACPI or NUMA emulation might assign
+         * them to different node. Fix it.
+         */
+        if (node1 != node2) {
+                pr_warning("CPU %d in node %d and CPU %d in node %d are in the same physical CPU. forcing same node %d\n",
+                           cpu1, node1, cpu2, node2, node2);
+
+                numa_remove_cpu(cpu1);
+                numa_set_node(cpu1, node2);
+                numa_add_cpu(cpu1);
+        }
+}
+
 static void __cpuinit link_thread_siblings(int cpu1, int cpu2)
 {
         cpumask_set_cpu(cpu1, cpu_sibling_mask(cpu2));
@@ -320,6 +340,7 @@ static void __cpuinit link_thread_siblings(int cpu1, int cpu2)
         cpumask_set_cpu(cpu2, cpu_core_mask(cpu1));
         cpumask_set_cpu(cpu1, cpu_llc_shared_mask(cpu2));
         cpumask_set_cpu(cpu2, cpu_llc_shared_mask(cpu1));
+        check_cpu_siblings_on_same_node(cpu1, cpu2);
 }
 
 
@@ -361,10 +382,12 @@ void __cpuinit set_cpu_sibling_map(int cpu)
                     per_cpu(cpu_llc_id, cpu) == per_cpu(cpu_llc_id, i)) {
                         cpumask_set_cpu(i, cpu_llc_shared_mask(cpu));
                         cpumask_set_cpu(cpu, cpu_llc_shared_mask(i));
+                        check_cpu_siblings_on_same_node(cpu, i);
                 }
                 if (c->phys_proc_id == cpu_data(i).phys_proc_id) {
                         cpumask_set_cpu(i, cpu_core_mask(cpu));
                         cpumask_set_cpu(cpu, cpu_core_mask(i));
+                        check_cpu_siblings_on_same_node(cpu, i);
                         /*
                          *  Does this new cpu bringup a new core?
                          */
diff --git a/arch/x86/platform/ce4100/falconfalls.dts b/arch/x86/platform/ce4100/falconfalls.dts
index dc701ea58546..2d6d226f2b10 100644
--- a/arch/x86/platform/ce4100/falconfalls.dts
+++ b/arch/x86/platform/ce4100/falconfalls.dts
@@ -74,6 +74,7 @@
                                 compatible = "intel,ce4100-pci", "pci";
                                 device_type = "pci";
                                 bus-range = <1 1>;
+                                reg = <0x0800 0x0 0x0 0x0 0x0>;
                                 ranges = <0x2000000 0 0xdffe0000 0x2000000 0 0xdffe0000 0 0x1000>;
 
                                 interrupt-parent = <&ioapic2>;
@@ -412,6 +413,7 @@
                                 #address-cells = <2>;
                                 #size-cells = <1>;
                                 compatible = "isa";
+                                reg = <0xf800 0x0 0x0 0x0 0x0>;
                                 ranges = <1 0 0 0 0 0x100>;
 
                                 rtc@70 {
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index 5c0207bf959b..275dbc19e2cf 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -97,11 +97,11 @@ static int __init sfi_parse_mtmr(struct sfi_table_header *table)
                         pentry->freq_hz, pentry->irq);
                         if (!pentry->irq)
                                 continue;
-                        mp_irq.type = MP_IOAPIC;
+                        mp_irq.type = MP_INTSRC;
                         mp_irq.irqtype = mp_INT;
 /* triggering mode edge bit 2-3, active high polarity bit 0-1 */
                         mp_irq.irqflag = 5;
-                        mp_irq.srcbus = 0;
+                        mp_irq.srcbus = MP_BUS_ISA;
                         mp_irq.srcbusirq = pentry->irq; /* IRQ */
                         mp_irq.dstapic = MP_APIC_ALL;
                         mp_irq.dstirq = pentry->irq;
@@ -168,10 +168,10 @@ int __init sfi_parse_mrtc(struct sfi_table_header *table)
         for (totallen = 0; totallen < sfi_mrtc_num; totallen++, pentry++) {
                 pr_debug("RTC[%d]: paddr = 0x%08x, irq = %d\n",
                         totallen, (u32)pentry->phys_addr, pentry->irq);
-                mp_irq.type = MP_IOAPIC;
+                mp_irq.type = MP_INTSRC;
                 mp_irq.irqtype = mp_INT;
                 mp_irq.irqflag = 0xf;   /* level trigger and active low */
-                mp_irq.srcbus = 0;
+                mp_irq.srcbus = MP_BUS_ISA;
                 mp_irq.srcbusirq = pentry->irq; /* IRQ */
                 mp_irq.dstapic = MP_APIC_ALL;
                 mp_irq.dstirq = pentry->irq;
@@ -282,7 +282,7 @@ void __init x86_mrst_early_setup(void)
         /* Avoid searching for BIOS MP tables */
         x86_init.mpparse.find_smp_config = x86_init_noop;
         x86_init.mpparse.get_smp_config = x86_init_uint_noop;
-
+        set_bit(MP_BUS_ISA, mp_bus_not_pci);
 }
 
 /*
diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
index 1c7121ba18ff..5cc821cb2e09 100644
--- a/arch/x86/xen/Kconfig
+++ b/arch/x86/xen/Kconfig
@@ -39,6 +39,7 @@ config XEN_MAX_DOMAIN_MEMORY
 config XEN_SAVE_RESTORE
        bool
        depends on XEN
+       select HIBERNATE_CALLBACKS
        default y
 
 config XEN_DEBUG_FS
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 49dbd78ec3cb..e3c6a06cf725 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -238,6 +238,7 @@ static void xen_cpuid(unsigned int *ax, unsigned int *bx,
 static __init void xen_init_cpuid_mask(void)
 {
         unsigned int ax, bx, cx, dx;
+        unsigned int xsave_mask;
 
         cpuid_leaf1_edx_mask =
                 ~((1 << X86_FEATURE_MCE)  |  /* disable MCE */
@@ -249,24 +250,16 @@ static __init void xen_init_cpuid_mask(void)
                 cpuid_leaf1_edx_mask &=
                         ~((1 << X86_FEATURE_APIC) |  /* disable local APIC */
                           (1 << X86_FEATURE_ACPI));  /* disable ACPI */
-
         ax = 1;
-        cx = 0;
         xen_cpuid(&ax, &bx, &cx, &dx);
 
-        /* cpuid claims we support xsave; try enabling it to see what happens */
-        if (cx & (1 << (X86_FEATURE_XSAVE % 32))) {
-                unsigned long cr4;
-
-                set_in_cr4(X86_CR4_OSXSAVE);
-                
-                cr4 = read_cr4();
+        xsave_mask =
+                (1 << (X86_FEATURE_XSAVE % 32)) |
+                (1 << (X86_FEATURE_OSXSAVE % 32));
 
-                if ((cr4 & X86_CR4_OSXSAVE) == 0)
-                        cpuid_leaf1_ecx_mask &= ~(1 << (X86_FEATURE_XSAVE % 32));
-
-                clear_in_cr4(X86_CR4_OSXSAVE);
-        }
+        /* Xen will set CR4.OSXSAVE if supported and not disabled by force */
+        if ((cx & xsave_mask) != xsave_mask)
+                cpuid_leaf1_ecx_mask &= ~xsave_mask; /* disable XSAVE & OSXSAVE */
 }
 
 static void xen_set_debugreg(int reg, unsigned long val)
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index c82df6c9c0f0..a991b57f91fe 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -565,13 +565,13 @@ pte_t xen_make_pte_debug(pteval_t pte)
         if (io_page &&
             (xen_initial_domain() || addr >= ISA_END_ADDRESS)) {
                 other_addr = pfn_to_mfn(addr >> PAGE_SHIFT) << PAGE_SHIFT;
-                WARN(addr != other_addr,
+                WARN_ONCE(addr != other_addr,
                         "0x%lx is using VM_IO, but it is 0x%lx!\n",
                         (unsigned long)addr, (unsigned long)other_addr);
         } else {
                 pteval_t iomap_set = (_pte.pte & PTE_FLAGS_MASK) & _PAGE_IOMAP;
                 other_addr = (_pte.pte & PTE_PFN_MASK);
-                WARN((addr == other_addr) && (!io_page) && (!iomap_set),
+                WARN_ONCE((addr == other_addr) && (!io_page) && (!iomap_set),
                         "0x%lx is missing VM_IO (and wasn't fixed)!\n",
                         (unsigned long)addr);
         }