21 files changed, 126 insertions, 185 deletions
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/bios32.c b/arch/arm/kernel/bios32.c
index d86fcd44b220..e4ee050aad7d 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -159,31 +159,6 @@ static void __devinit pci_fixup_dec21285(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285, pci_fixup_dec21285);
 /*
- * Same as above. The PrPMC800 carrier board for the PrPMC1100 
- * card maps the host-bridge @ 00:01:00 for some reason and it
- * ends up getting scanned. Note that we only want to do this
- * fixup when we find the IXP4xx on a PrPMC system, which is why
- * we check the machine type. We could be running on a board
- * with an IXP4xx target device and we don't want to kill the
- * resources in that case.
- */
-static void __devinit pci_fixup_prpmc1100(struct pci_dev *dev)
-{
-        int i;
-        if (machine_is_prpmc1100()) {
-                dev->class &= 0xff;
-                dev->class |= PCI_CLASS_BRIDGE_HOST << 8;
-                for (i = 0; i < PCI_NUM_RESOURCES; i++) {
-                        dev->resource[i].start = 0;
-                        dev->resource[i].end   = 0;
-                        dev->resource[i].flags = 0;
-                }
-        }
-}
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IXP4XX, pci_fixup_prpmc1100);
-/*
 * PCI IDE controllers use non-standard I/O port decoding, respect it.
 */
 static void __devinit pci_fixup_ide_bases(struct pci_dev *dev)
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 5c26eccef998..7fbf28c35bb2 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -379,6 +379,10 @@
                CALL(sys_fanotify_init)
                CALL(sys_fanotify_mark)
                CALL(sys_prlimit64)
+/* 370 */       CALL(sys_name_to_handle_at)
+                CALL(sys_open_by_handle_at)
+                CALL(sys_clock_adjtime)
+                CALL(sys_syncfs)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
diff --git a/arch/arm/kernel/crash_dump.c b/arch/arm/kernel/crash_dump.c
index cd3b853a8a6d..90c50d4b43f7 100644
--- a/arch/arm/kernel/crash_dump.c
+++ b/arch/arm/kernel/crash_dump.c
@@ -18,9 +18,6 @@
 #include <linux/uaccess.h>
 #include <linux/io.h>
-/* stores the physical address of elf header of crash image */
-unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
 /**
 * copy_oldmem_page() - copy one page from old kernel memory
 * @pfn: page frame number to be copied
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index d2d983be096d..bcd66e00bdbe 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -25,7 +25,7 @@
                .macro  addruart, rp, rv
                .endm
-#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K)
+#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) || defined(CONFIG_CPU_V7)
                .macro  senduart, rd, rx
                mcr     p14, 0, \rd, c0, c5, 0
@@ -49,23 +49,6 @@
 1002:
                .endm
-#elif defined(CONFIG_CPU_V7)
-                .macro  senduart, rd, rx
-                mcr     p14, 0, \rd, c0, c5, 0
-                .endm
-                .macro  busyuart, rd, rx
-busy:           mrc     p14, 0, pc, c0, c1, 0
-                bcs     busy
-                .endm
-                .macro  waituart, rd, rx
-wait:           mrc     p14, 0, pc, c0, c1, 0
-                bcs     wait
-                .endm
 #elif defined(CONFIG_CPU_XSCALE)
                .macro  senduart, rd, rx
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index 2ad62df37730..d16500110ee9 100644
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -1043,8 +1043,8 @@ ecard_probe(int slot, card_type_t type)
         */
        if (slot < 8) {
                ec->irq = 32 + slot;
-                set_irq_chip(ec->irq, &ecard_chip);
+                irq_set_chip_and_handler(ec->irq, &ecard_chip,
-                set_irq_handler(ec->irq, handle_level_irq);
+                                         handle_level_irq);
                set_irq_flags(ec->irq, IRQF_VALID);
        }
@@ -1103,7 +1103,7 @@ static int __init ecard_init(void)
        irqhw = ecard_probeirqhw();
-        set_irq_chained_handler(IRQ_EXPANSIONCARD,
+        irq_set_chained_handler(IRQ_EXPANSIONCARD,
                                irqhw ? ecard_irqexp_handler : ecard_irq_handler);
        ecard_proc_init();
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_EABI_MASK) == EF_ARM_EABI_UNKNOWN &&
-                if (eflags & EF_ARM_APCS_26)
+            (eflags & EF_ARM_APCS_26))
-                        personality = PER_LINUX;
+                personality &= ~ADDR_LIMIT_32BIT;
-        }
+        else
+                personality |= ADDR_LIMIT_32BIT;
        set_personality(personality);
diff --git a/arch/arm/kernel/etm.c b/arch/arm/kernel/etm.c
index 052b509e2d5f..1bec8b5f22f0 100644
--- a/arch/arm/kernel/etm.c
+++ b/arch/arm/kernel/etm.c
@@ -338,7 +338,7 @@ static struct miscdevice etb_miscdev = {
        .fops = &etb_fops,
 };
-static int __init etb_probe(struct amba_device *dev, const struct amba_id *id)
+static int __devinit etb_probe(struct amba_device *dev, const struct amba_id *id)
 {
        struct tracectx *t = &tracer;
        int ret = 0;
@@ -530,7 +530,7 @@ static ssize_t trace_mode_store(struct kobject *kobj,
 static struct kobj_attribute trace_mode_attr =
        __ATTR(trace_mode, 0644, trace_mode_show, trace_mode_store);
-static int __init etm_probe(struct amba_device *dev, const struct amba_id *id)
+static int __devinit etm_probe(struct amba_device *dev, const struct amba_id *id)
 {
        struct tracectx *t = &tracer;
        int ret = 0;
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index 44b84fe6e1b0..87acc25d7a3e 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -238,8 +238,8 @@ static int enable_monitor_mode(void)
        ARM_DBG_READ(c1, 0, dscr);
        /* Ensure that halting mode is disabled. */
-        if (WARN_ONCE(dscr & ARM_DSCR_HDBGEN, "halting debug mode enabled."
+        if (WARN_ONCE(dscr & ARM_DSCR_HDBGEN,
-                                "Unable to access hardware resources.")) {
+                        "halting debug mode enabled. Unable to access hardware resources.\n")) {
                ret = -EPERM;
                goto out;
        }
@@ -377,7 +377,7 @@ int arch_install_hw_breakpoint(struct perf_event *bp)
                }
        }
-        if (WARN_ONCE(i == max_slots, "Can't find any breakpoint slot")) {
+        if (WARN_ONCE(i == max_slots, "Can't find any breakpoint slot\n")) {
                ret = -EBUSY;
                goto out;
        }
@@ -423,7 +423,7 @@ void arch_uninstall_hw_breakpoint(struct perf_event *bp)
                }
        }
-        if (WARN_ONCE(i == max_slots, "Can't find any breakpoint slot"))
+        if (WARN_ONCE(i == max_slots, "Can't find any breakpoint slot\n"))
                return;
        /* Reset the control register. */
@@ -635,7 +635,7 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp)
        if (WARN_ONCE(!bp->overflow_handler &&
                (arch_check_bp_in_kernelspace(bp) || !core_has_mismatch_brps()
                 || !bp->hw.bp_target),
-                        "overflow handler required but none found")) {
+                        "overflow handler required but none found\n")) {
                ret = -EINVAL;
        }
 out:
@@ -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())
@@ -936,8 +943,8 @@ static int __init arch_hw_breakpoint_init(void)
        ARM_DBG_READ(c1, 0, dscr);
        if (dscr & ARM_DSCR_HDBGEN) {
                max_watchpoint_len = 4;
-                pr_warning("halting debug mode enabled. Assuming maximum "
+                pr_warning("halting debug mode enabled. Assuming maximum watchpoint size of %u bytes.\n",
-                           "watchpoint size of %u bytes.", max_watchpoint_len);
+                           max_watchpoint_len);
        } else {
                /* Work out the maximum supported watchpoint length. */
                max_watchpoint_len = get_max_wp_len();
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 3535d3793e65..83bbad03fcc6 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -51,63 +51,18 @@
 unsigned long irq_err_count;
-int show_interrupts(struct seq_file *p, void *v)
+int arch_show_interrupts(struct seq_file *p, int prec)
 {
-        int i = *(loff_t *) v, cpu;
-        struct irq_desc *desc;
-        struct irqaction * action;
-        unsigned long flags;
-        int prec, n;
-        for (prec = 3, n = 1000; prec < 10 && n <= nr_irqs; prec++)
-                n *= 10;
-#ifdef CONFIG_SMP
-        if (prec < 4)
-                prec = 4;
-#endif
-        if (i == 0) {
-                char cpuname[12];
-                seq_printf(p, "%*s ", prec, "");
-                for_each_present_cpu(cpu) {
-                        sprintf(cpuname, "CPU%d", cpu);
-                        seq_printf(p, " %10s", cpuname);
-                }
-                seq_putc(p, '\n');
-        }
-        if (i < nr_irqs) {
-                desc = irq_to_desc(i);
-                raw_spin_lock_irqsave(&desc->lock, flags);
-                action = desc->action;
-                if (!action)
-                        goto unlock;
-                seq_printf(p, "%*d: ", prec, i);
-                for_each_present_cpu(cpu)
-                        seq_printf(p, "%10u ", kstat_irqs_cpu(i, cpu));
-                seq_printf(p, " %10s", desc->irq_data.chip->name ? : "-");
-                seq_printf(p, "  %s", action->name);
-                for (action = action->next; action; action = action->next)
-                        seq_printf(p, ", %s", action->name);
-                seq_putc(p, '\n');
-unlock:
-                raw_spin_unlock_irqrestore(&desc->lock, flags);
-        } else if (i == nr_irqs) {
 #ifdef CONFIG_FIQ
-                show_fiq_list(p, prec);
+        show_fiq_list(p, prec);
 #endif
 #ifdef CONFIG_SMP
-                show_ipi_list(p, prec);
+        show_ipi_list(p, prec);
 #endif
 #ifdef CONFIG_LOCAL_TIMERS
-                show_local_irqs(p, prec);
+        show_local_irqs(p, prec);
 #endif
-                seq_printf(p, "%*s: %10lu\n", prec, "Err", irq_err_count);
+        seq_printf(p, "%*s: %10lu\n", prec, "Err", irq_err_count);
-        }
        return 0;
 }
@@ -144,24 +99,21 @@ asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
 void set_irq_flags(unsigned int irq, unsigned int iflags)
 {
-        struct irq_desc *desc;
+        unsigned long clr = 0, set = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
-        unsigned long flags;
        if (irq >= nr_irqs) {
                printk(KERN_ERR "Trying to set irq flags for IRQ%d\n", irq);
                return;
        }
-        desc = irq_to_desc(irq);
-        raw_spin_lock_irqsave(&desc->lock, flags);
-        desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
        if (iflags & IRQF_VALID)
-                desc->status &= ~IRQ_NOREQUEST;
+                clr |= IRQ_NOREQUEST;
        if (iflags & IRQF_PROBE)
-                desc->status &= ~IRQ_NOPROBE;
+                clr |= IRQ_NOPROBE;
        if (!(iflags & IRQF_NOAUTOEN))
-                desc->status &= ~IRQ_NOAUTOEN;
+                clr |= IRQ_NOAUTOEN;
-        raw_spin_unlock_irqrestore(&desc->lock, flags);
+        /* Order is clear bits in "clr" then set bits in "set" */
+        irq_modify_status(irq, clr, set & ~clr);
 }
 void __init init_IRQ(void)
diff --git a/arch/arm/kernel/kprobes-decode.c b/arch/arm/kernel/kprobes-decode.c
index 8f6ed43861f1..23891317dc4b 100644
--- a/arch/arm/kernel/kprobes-decode.c
+++ b/arch/arm/kernel/kprobes-decode.c
@@ -594,7 +594,8 @@ static void __kprobes emulate_ldr(struct kprobe *p, struct pt_regs *regs)
        long cpsr = regs->ARM_cpsr;
        fnr.dr = insnslot_llret_3arg_rflags(rnv, 0, rmv, cpsr, i_fn);
-        regs->uregs[rn] = fnr.r0;  /* Save Rn in case of writeback. */
+        if (rn != 15)
+                regs->uregs[rn] = fnr.r0;  /* Save Rn in case of writeback. */
        rdv = fnr.r1;
        if (rd == 15) {
@@ -622,10 +623,11 @@ static void __kprobes emulate_str(struct kprobe *p, struct pt_regs *regs)
        long rdv = (rd == 15) ? iaddr + str_pc_offset : regs->uregs[rd];
        long rnv = (rn == 15) ? iaddr +  8 : regs->uregs[rn];
        long rmv = regs->uregs[rm];  /* rm/rmv may be invalid, don't care. */
+        long rnv_wb;
-        /* Save Rn in case of writeback. */
+        rnv_wb = insnslot_3arg_rflags(rnv, rdv, rmv, regs->ARM_cpsr, i_fn);
-        regs->uregs[rn] =
+        if (rn != 15)
-                insnslot_3arg_rflags(rnv, rdv, rmv, regs->ARM_cpsr, i_fn);
+                regs->uregs[rn] = rnv_wb;  /* Save Rn in case of writeback. */
 }
 static void __kprobes emulate_mrrc(struct kprobe *p, struct pt_regs *regs)
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 22e194eb8536..979da3947f42 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -79,6 +79,7 @@ struct arm_pmu {
        void            (*write_counter)(int idx, u32 val);
        void            (*start)(void);
        void            (*stop)(void);
+        void            (*reset)(void *);
        const unsigned  (*cache_map)[PERF_COUNT_HW_CACHE_MAX]
                                    [PERF_COUNT_HW_CACHE_OP_MAX]
                                    [PERF_COUNT_HW_CACHE_RESULT_MAX];
@@ -204,11 +205,9 @@ armpmu_event_set_period(struct perf_event *event,
 static u64
 armpmu_event_update(struct perf_event *event,
                    struct hw_perf_event *hwc,
-                    int idx)
+                    int idx, int overflow)
 {
-        int shift = 64 - 32;
+        u64 delta, prev_raw_count, new_raw_count;
-        s64 prev_raw_count, new_raw_count;
-        u64 delta;
 again:
        prev_raw_count = local64_read(&hwc->prev_count);
@@ -218,8 +217,13 @@ again:
                             new_raw_count) != prev_raw_count)
                goto again;
-        delta = (new_raw_count << shift) - (prev_raw_count << shift);
+        new_raw_count &= armpmu->max_period;
-        delta >>= shift;
+        prev_raw_count &= armpmu->max_period;
+        if (overflow)
+                delta = armpmu->max_period - prev_raw_count + new_raw_count + 1;
+        else
+                delta = new_raw_count - prev_raw_count;
        local64_add(delta, &event->count);
        local64_sub(delta, &hwc->period_left);
@@ -236,7 +240,7 @@ armpmu_read(struct perf_event *event)
        if (hwc->idx < 0)
                return;
-        armpmu_event_update(event, hwc, hwc->idx);
+        armpmu_event_update(event, hwc, hwc->idx, 0);
 }
 static void
@@ -254,7 +258,7 @@ armpmu_stop(struct perf_event *event, int flags)
        if (!(hwc->state & PERF_HES_STOPPED)) {
                armpmu->disable(hwc, hwc->idx);
                barrier(); /* why? */
-                armpmu_event_update(event, hwc, hwc->idx);
+                armpmu_event_update(event, hwc, hwc->idx, 0);
                hwc->state |= PERF_HES_STOPPED | PERF_HES_UPTODATE;
        }
 }
@@ -624,6 +628,19 @@ static struct pmu pmu = {
 #include "perf_event_v6.c"
 #include "perf_event_v7.c"
+/*
+ * Ensure the PMU has sane values out of reset.
+ * This requires SMP to be available, so exists as a separate initcall.
+ */
+static int __init
+armpmu_reset(void)
+{
+        if (armpmu && armpmu->reset)
+                return on_each_cpu(armpmu->reset, NULL, 1);
+        return 0;
+}
+arch_initcall(armpmu_reset);
 static int __init
 init_hw_perf_events(void)
 {
diff --git a/arch/arm/kernel/perf_event_v6.c b/arch/arm/kernel/perf_event_v6.c
index 6fc2d228db55..f1e8dd94afe8 100644
--- a/arch/arm/kernel/perf_event_v6.c
+++ b/arch/arm/kernel/perf_event_v6.c
@@ -474,7 +474,7 @@ armv6pmu_handle_irq(int irq_num,
                        continue;
                hwc = &event->hw;
-                armpmu_event_update(event, hwc, idx);
+                armpmu_event_update(event, hwc, idx, 1);
                data.period = event->hw.last_period;
                if (!armpmu_event_set_period(event, hwc, idx))
                        continue;
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c
index 2e1402556fa0..4960686afb58 100644
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -466,6 +466,7 @@ static inline unsigned long armv7_pmnc_read(void)
 static inline void armv7_pmnc_write(unsigned long val)
 {
        val &= ARMV7_PMNC_MASK;
+        isb();
        asm volatile("mcr p15, 0, %0, c9, c12, 0" : : "r"(val));
 }
@@ -502,6 +503,7 @@ static inline int armv7_pmnc_select_counter(unsigned int idx)
        val = (idx - ARMV7_EVENT_CNT_TO_CNTx) & ARMV7_SELECT_MASK;
        asm volatile("mcr p15, 0, %0, c9, c12, 5" : : "r" (val));
+        isb();
        return idx;
 }
@@ -780,7 +782,7 @@ static irqreturn_t armv7pmu_handle_irq(int irq_num, void *dev)
                        continue;
                hwc = &event->hw;
-                armpmu_event_update(event, hwc, idx);
+                armpmu_event_update(event, hwc, idx, 1);
                data.period = event->hw.last_period;
                if (!armpmu_event_set_period(event, hwc, idx))
                        continue;
@@ -847,6 +849,18 @@ static int armv7pmu_get_event_idx(struct cpu_hw_events *cpuc,
        }
 }
+static void armv7pmu_reset(void *info)
+{
+        u32 idx, nb_cnt = armpmu->num_events;
+        /* The counter and interrupt enable registers are unknown at reset. */
+        for (idx = 1; idx < nb_cnt; ++idx)
+                armv7pmu_disable_event(NULL, idx);
+        /* Initialize & Reset PMNC: C and P bits */
+        armv7_pmnc_write(ARMV7_PMNC_P | ARMV7_PMNC_C);
+}
 static struct arm_pmu armv7pmu = {
        .handle_irq             = armv7pmu_handle_irq,
        .enable                 = armv7pmu_enable_event,
@@ -856,17 +870,15 @@ static struct arm_pmu armv7pmu = {
        .get_event_idx          = armv7pmu_get_event_idx,
        .start                  = armv7pmu_start,
        .stop                   = armv7pmu_stop,
+        .reset                  = armv7pmu_reset,
        .raw_event_mask         = 0xFF,
        .max_period             = (1LLU << 32) - 1,
 };
-static u32 __init armv7_reset_read_pmnc(void)
+static u32 __init armv7_read_num_pmnc_events(void)
 {
        u32 nb_cnt;
-        /* Initialize & Reset PMNC: C and P bits */
-        armv7_pmnc_write(ARMV7_PMNC_P | ARMV7_PMNC_C);
        /* Read the nb of CNTx counters supported from PMNC */
        nb_cnt = (armv7_pmnc_read() >> ARMV7_PMNC_N_SHIFT) & ARMV7_PMNC_N_MASK;
@@ -880,7 +892,7 @@ static const struct arm_pmu *__init armv7_a8_pmu_init(void)
        armv7pmu.name           = "ARMv7 Cortex-A8";
        armv7pmu.cache_map      = &armv7_a8_perf_cache_map;
        armv7pmu.event_map      = &armv7_a8_perf_map;
-        armv7pmu.num_events     = armv7_reset_read_pmnc();
+        armv7pmu.num_events     = armv7_read_num_pmnc_events();
        return &armv7pmu;
 }
@@ -890,7 +902,7 @@ static const struct arm_pmu *__init armv7_a9_pmu_init(void)
        armv7pmu.name           = "ARMv7 Cortex-A9";
        armv7pmu.cache_map      = &armv7_a9_perf_cache_map;
        armv7pmu.event_map      = &armv7_a9_perf_map;
-        armv7pmu.num_events     = armv7_reset_read_pmnc();
+        armv7pmu.num_events     = armv7_read_num_pmnc_events();
        return &armv7pmu;
 }
 #else
diff --git a/arch/arm/kernel/perf_event_xscale.c b/arch/arm/kernel/perf_event_xscale.c
index 28cd3b025bc3..39affbe4fdb2 100644
--- a/arch/arm/kernel/perf_event_xscale.c
+++ b/arch/arm/kernel/perf_event_xscale.c
@@ -246,7 +246,7 @@ xscale1pmu_handle_irq(int irq_num, void *dev)
                        continue;
                hwc = &event->hw;
-                armpmu_event_update(event, hwc, idx);
+                armpmu_event_update(event, hwc, idx, 1);
                data.period = event->hw.last_period;
                if (!armpmu_event_set_period(event, hwc, idx))
                        continue;
@@ -578,7 +578,7 @@ xscale2pmu_handle_irq(int irq_num, void *dev)
                        continue;
                hwc = &event->hw;
-                armpmu_event_update(event, hwc, idx);
+                armpmu_event_update(event, hwc, idx, 1);
                data.period = event->hw.last_period;
                if (!armpmu_event_set_period(event, hwc, idx))
                        continue;
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/setup.c b/arch/arm/kernel/setup.c
index d1da92174277..006c1e884eaf 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -466,13 +466,13 @@ static struct machine_desc * __init setup_machine(unsigned int nr)
                /* can't use cpu_relax() here as it may require MMU setup */;
 }
-static int __init arm_add_memory(unsigned long start, unsigned long size)
+static int __init arm_add_memory(phys_addr_t start, unsigned long size)
 {
        struct membank *bank = &meminfo.bank[meminfo.nr_banks];
        if (meminfo.nr_banks >= NR_BANKS) {
                printk(KERN_CRIT "NR_BANKS too low, "
-                        "ignoring memory at %#lx\n", start);
+                        "ignoring memory at 0x%08llx\n", (long long)start);
                return -EINVAL;
        }
@@ -502,7 +502,8 @@ static int __init arm_add_memory(unsigned long start, unsigned long size)
 static int __init early_mem(char *p)
 {
        static int usermem __initdata = 0;
-        unsigned long size, start;
+        unsigned long size;
+        phys_addr_t start;
        char *endp;
        /*
@@ -788,30 +789,6 @@ static void __init reserve_crashkernel(void)
 static inline void reserve_crashkernel(void) {}
 #endif /* CONFIG_KEXEC */
-/*
- * Note: elfcorehdr_addr is not just limited to vmcore. It is also used by
- * is_kdump_kernel() to determine if we are booting after a panic. Hence
- * ifdef it under CONFIG_CRASH_DUMP and not CONFIG_PROC_VMCORE.
- */
-#ifdef CONFIG_CRASH_DUMP
-/*
- * elfcorehdr= specifies the location of elf core header stored by the crashed
- * kernel. This option will be passed by kexec loader to the capture kernel.
- */
-static int __init setup_elfcorehdr(char *arg)
-{
-        char *end;
-        if (!arg)
-                return -EINVAL;
-        elfcorehdr_addr = memparse(arg, &end);
-        return end > arg ? 0 : -EINVAL;
-}
-early_param("elfcorehdr", setup_elfcorehdr);
-#endif /* CONFIG_CRASH_DUMP */
 static void __init squash_mem_tags(struct tag *tag)
 {
        for (; tag->hdr.size; tag = tag_next(tag))
diff --git a/arch/arm/kernel/sleep.S b/arch/arm/kernel/sleep.S
index bfad698a02e7..6398ead9d1c0 100644
--- a/arch/arm/kernel/sleep.S
+++ b/arch/arm/kernel/sleep.S
@@ -119,11 +119,19 @@ ENTRY(cpu_resume)
 #else
        ldr     r0, sleep_save_sp       @ stack phys addr
 #endif
-        msr     cpsr_c, #PSR_I_BIT | PSR_F_BIT | SVC_MODE @ set SVC, irqs off
+        setmode PSR_I_BIT | PSR_F_BIT | SVC_MODE, r1  @ set SVC, irqs off
 #ifdef MULTI_CPU
-        ldmia   r0!, {r1, sp, lr, pc}   @ load v:p, stack, return fn, resume fn
+        @ load v:p, stack, return fn, resume fn
+  ARM(  ldmia   r0!, {r1, sp, lr, pc}   )
+THUMB(  ldmia   r0!, {r1, r2, r3, r4}   )
+THUMB(  mov     sp, r2                  )
+THUMB(  mov     lr, r3                  )
+THUMB(  bx      r4                      )
 #else
-        ldmia   r0!, {r1, sp, lr}       @ load v:p, stack, return fn
+        @ load v:p, stack, return fn
+  ARM(  ldmia   r0!, {r1, sp, lr}       )
+THUMB(  ldmia   r0!, {r1, r2, lr}       )
+THUMB(  mov     sp, r2                  )
        b       cpu_do_resume
 #endif
 ENDPROC(cpu_resume)
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 4539ebcb089f..8fe05ad932e4 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -474,13 +474,12 @@ static void smp_timer_broadcast(const struct cpumask *mask)
 #define smp_timer_broadcast     NULL
 #endif
-#ifndef CONFIG_LOCAL_TIMERS
 static void broadcast_timer_set_mode(enum clock_event_mode mode,
        struct clock_event_device *evt)
 {
 }
-static void local_timer_setup(struct clock_event_device *evt)
+static void broadcast_timer_setup(struct clock_event_device *evt)
 {
        evt->name       = "dummy_timer";
        evt->features   = CLOCK_EVT_FEAT_ONESHOT |
@@ -492,7 +491,6 @@ static void local_timer_setup(struct clock_event_device *evt)
        clockevents_register_device(evt);
 }
-#endif
 void __cpuinit percpu_timer_setup(void)
 {
@@ -502,7 +500,8 @@ void __cpuinit percpu_timer_setup(void)
        evt->cpumask = cpumask_of(cpu);
        evt->broadcast = smp_timer_broadcast;
-        local_timer_setup(evt);
+        if (local_timer_setup(evt))
+                broadcast_timer_setup(evt);
 }
 #ifdef CONFIG_HOTPLUG_CPU
diff --git a/arch/arm/kernel/swp_emulate.c b/arch/arm/kernel/swp_emulate.c
index 7a5760922914..40ee7e5045e4 100644
--- a/arch/arm/kernel/swp_emulate.c
+++ b/arch/arm/kernel/swp_emulate.c
@@ -158,7 +158,7 @@ static int emulate_swpX(unsigned int address, unsigned int *data,
        if (res == 0) {
                /*
-                 * Barrier also required between aquiring a lock for a
+                 * Barrier also required between acquiring a lock for a
                 * protected resource and accessing the resource. Inserted for
                 * same reason as above.
                 */
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 21ac43f1c2d0..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 &&
+        if ((current->personality & PER_MASK) != PER_LINUX &&
-            current->personality != PER_LINUX_32BIT &&
            thread->exec_domain->handler) {
                thread->exec_domain->handler(n, regs);
                return regs->ARM_r0;
@@ -712,17 +711,17 @@ EXPORT_SYMBOL(__readwrite_bug);
 void __pte_error(const char *file, int line, pte_t pte)
 {
-        printk("%s:%d: bad pte %08lx.\n", file, line, pte_val(pte));
+        printk("%s:%d: bad pte %08llx.\n", file, line, (long long)pte_val(pte));
 }
 void __pmd_error(const char *file, int line, pmd_t pmd)
 {
-        printk("%s:%d: bad pmd %08lx.\n", file, line, pmd_val(pmd));
+        printk("%s:%d: bad pmd %08llx.\n", file, line, (long long)pmd_val(pmd));
 }
 void __pgd_error(const char *file, int line, pgd_t pgd)
 {
-        printk("%s:%d: bad pgd %08lx.\n", file, line, pgd_val(pgd));
+        printk("%s:%d: bad pgd %08llx.\n", file, line, (long long)pgd_val(pgd));
 }
 asmlinkage void __div0(void)