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-rw-r--r--arch/x86/kernel/acpi/boot.c1
-rw-r--r--arch/x86/kernel/alternative.c1
-rw-r--r--arch/x86/kernel/amd_iommu.c2
-rw-r--r--arch/x86/kernel/amd_iommu_init.c2
-rw-r--r--arch/x86/kernel/apb_timer.c1
-rw-r--r--arch/x86/kernel/apic/apic.c2
-rw-r--r--arch/x86/kernel/apic/es7000_32.c1
-rw-r--r--arch/x86/kernel/apic/io_apic.c9
-rw-r--r--arch/x86/kernel/apic/nmi.c1
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c1
-rw-r--r--arch/x86/kernel/bootflag.c1
-rw-r--r--arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c1
-rw-r--r--arch/x86/kernel/cpu/cpufreq/elanfreq.c1
-rw-r--r--arch/x86/kernel/cpu/cpufreq/gx-suspmod.c1
-rw-r--r--arch/x86/kernel/cpu/cpufreq/longrun.c1
-rw-r--r--arch/x86/kernel/cpu/cpufreq/p4-clockmod.c1
-rw-r--r--arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c1
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k6.c1
-rw-r--r--arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c1
-rw-r--r--arch/x86/kernel/cpu/cpufreq/speedstep-ich.c1
-rw-r--r--arch/x86/kernel/cpu/cpufreq/speedstep-lib.c1
-rw-r--r--arch/x86/kernel/cpu/cpufreq/speedstep-smi.c1
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce-inject.c1
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c1
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_amd.c1
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_intel.c1
-rw-r--r--arch/x86/kernel/cpu/mtrr/generic.c1
-rw-r--r--arch/x86/kernel/cpu/mtrr/if.c1
-rw-r--r--arch/x86/kernel/cpu/perf_event.c55
-rw-r--r--arch/x86/kernel/cpu/perf_event_amd.c80
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel.c1
-rw-r--r--arch/x86/kernel/cpuid.c1
-rw-r--r--arch/x86/kernel/crash_dump_32.c1
-rw-r--r--arch/x86/kernel/dumpstack.h5
-rw-r--r--arch/x86/kernel/e820.c24
-rw-r--r--arch/x86/kernel/head32.c4
-rw-r--r--arch/x86/kernel/head64.c3
-rw-r--r--arch/x86/kernel/hpet.c10
-rw-r--r--arch/x86/kernel/i387.c1
-rw-r--r--arch/x86/kernel/i8259.c1
-rw-r--r--arch/x86/kernel/irqinit.c23
-rw-r--r--arch/x86/kernel/k8.c2
-rw-r--r--arch/x86/kernel/kdebugfs.c1
-rw-r--r--arch/x86/kernel/kgdb.c2
-rw-r--r--arch/x86/kernel/ldt.c1
-rw-r--r--arch/x86/kernel/machine_kexec_64.c1
-rw-r--r--arch/x86/kernel/mca_32.c1
-rw-r--r--arch/x86/kernel/module.c1
-rw-r--r--arch/x86/kernel/mpparse.c4
-rw-r--r--arch/x86/kernel/msr.c1
-rw-r--r--arch/x86/kernel/pci-dma.c1
-rw-r--r--arch/x86/kernel/pci-gart_64.c1
-rw-r--r--arch/x86/kernel/pci-nommu.c1
-rw-r--r--arch/x86/kernel/process.c32
-rw-r--r--arch/x86/kernel/ptrace.c1
-rw-r--r--arch/x86/kernel/setup.c25
-rw-r--r--arch/x86/kernel/smp.c1
-rw-r--r--arch/x86/kernel/smpboot.c7
-rw-r--r--arch/x86/kernel/tlb_uv.c1
-rw-r--r--arch/x86/kernel/uv_irq.c1
-rw-r--r--arch/x86/kernel/uv_time.c1
-rw-r--r--arch/x86/kernel/vmi_32.c1
-rw-r--r--arch/x86/kernel/vmlinux.lds.S2
63 files changed, 251 insertions, 86 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 0061ea26306..cd40aba6aa9 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -31,6 +31,7 @@
#include <linux/module.h>
#include <linux/dmi.h>
#include <linux/irq.h>
+#include <linux/slab.h>
#include <linux/bootmem.h>
#include <linux/ioport.h>
#include <linux/pci.h>
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 3a4bf35c179..1a160d5d44d 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -8,6 +8,7 @@
#include <linux/vmalloc.h>
#include <linux/memory.h>
#include <linux/stop_machine.h>
+#include <linux/slab.h>
#include <asm/alternative.h>
#include <asm/sections.h>
#include <asm/pgtable.h>
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index adb0ba02570..f3dadb571d9 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -18,8 +18,8 @@
*/
#include <linux/pci.h>
-#include <linux/gfp.h>
#include <linux/bitmap.h>
+#include <linux/slab.h>
#include <linux/debugfs.h>
#include <linux/scatterlist.h>
#include <linux/dma-mapping.h>
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 9dc91b43147..42f5350b908 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -19,8 +19,8 @@
#include <linux/pci.h>
#include <linux/acpi.h>
-#include <linux/gfp.h>
#include <linux/list.h>
+#include <linux/slab.h>
#include <linux/sysdev.h>
#include <linux/interrupt.h>
#include <linux/msi.h>
diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c
index 4b7099526d2..ff469e47005 100644
--- a/arch/x86/kernel/apb_timer.c
+++ b/arch/x86/kernel/apb_timer.c
@@ -33,6 +33,7 @@
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/sysdev.h>
+#include <linux/slab.h>
#include <linux/pm.h>
#include <linux/pci.h>
#include <linux/sfi.h>
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 00187f1fcfb..e5a4a1e0161 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1640,8 +1640,10 @@ int __init APIC_init_uniprocessor(void)
}
#endif
+#ifndef CONFIG_SMP
enable_IR_x2apic();
default_setup_apic_routing();
+#endif
verify_local_APIC();
connect_bsp_APIC();
diff --git a/arch/x86/kernel/apic/es7000_32.c b/arch/x86/kernel/apic/es7000_32.c
index dd2b5f26464..03ba1b895f5 100644
--- a/arch/x86/kernel/apic/es7000_32.c
+++ b/arch/x86/kernel/apic/es7000_32.c
@@ -42,6 +42,7 @@
#include <linux/errno.h>
#include <linux/acpi.h>
#include <linux/init.h>
+#include <linux/gfp.h>
#include <linux/nmi.h>
#include <linux/smp.h>
#include <linux/io.h>
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index e4e0ddcb154..127b8718abf 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -36,6 +36,7 @@
#include <linux/freezer.h>
#include <linux/kthread.h>
#include <linux/jiffies.h> /* time_after() */
+#include <linux/slab.h>
#ifdef CONFIG_ACPI
#include <acpi/acpi_bus.h>
#endif
@@ -1268,6 +1269,14 @@ void __setup_vector_irq(int cpu)
/* Mark the inuse vectors */
for_each_irq_desc(irq, desc) {
cfg = desc->chip_data;
+
+ /*
+ * If it is a legacy IRQ handled by the legacy PIC, this cpu
+ * will be part of the irq_cfg's domain.
+ */
+ if (irq < legacy_pic->nr_legacy_irqs && !IO_APIC_IRQ(irq))
+ cpumask_set_cpu(cpu, cfg->domain);
+
if (!cpumask_test_cpu(cpu, cfg->domain))
continue;
vector = cfg->vector;
diff --git a/arch/x86/kernel/apic/nmi.c b/arch/x86/kernel/apic/nmi.c
index 8aa65adbd25..1edaf15c0b8 100644
--- a/arch/x86/kernel/apic/nmi.c
+++ b/arch/x86/kernel/apic/nmi.c
@@ -18,6 +18,7 @@
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/sysdev.h>
#include <linux/sysctl.h>
#include <linux/percpu.h>
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 49dbeaef2a2..c085d52dbaf 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -17,6 +17,7 @@
#include <linux/ctype.h>
#include <linux/sched.h>
#include <linux/timer.h>
+#include <linux/slab.h>
#include <linux/cpu.h>
#include <linux/init.h>
#include <linux/io.h>
diff --git a/arch/x86/kernel/bootflag.c b/arch/x86/kernel/bootflag.c
index 30f25a75fe2..5de7f4c5697 100644
--- a/arch/x86/kernel/bootflag.c
+++ b/arch/x86/kernel/bootflag.c
@@ -5,7 +5,6 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/string.h>
-#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/acpi.h>
#include <asm/io.h>
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index 1b1920fa7c8..459168083b7 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -33,6 +33,7 @@
#include <linux/cpufreq.h>
#include <linux/compiler.h>
#include <linux/dmi.h>
+#include <linux/slab.h>
#include <trace/events/power.h>
#include <linux/acpi.h>
diff --git a/arch/x86/kernel/cpu/cpufreq/elanfreq.c b/arch/x86/kernel/cpu/cpufreq/elanfreq.c
index 006b278b0d5..c587db472a7 100644
--- a/arch/x86/kernel/cpu/cpufreq/elanfreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/elanfreq.c
@@ -20,7 +20,6 @@
#include <linux/module.h>
#include <linux/init.h>
-#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/cpufreq.h>
diff --git a/arch/x86/kernel/cpu/cpufreq/gx-suspmod.c b/arch/x86/kernel/cpu/cpufreq/gx-suspmod.c
index ac27ec2264d..16e3483be9e 100644
--- a/arch/x86/kernel/cpu/cpufreq/gx-suspmod.c
+++ b/arch/x86/kernel/cpu/cpufreq/gx-suspmod.c
@@ -80,6 +80,7 @@
#include <linux/cpufreq.h>
#include <linux/pci.h>
#include <linux/errno.h>
+#include <linux/slab.h>
#include <asm/processor-cyrix.h>
diff --git a/arch/x86/kernel/cpu/cpufreq/longrun.c b/arch/x86/kernel/cpu/cpufreq/longrun.c
index da5f70fcb76..e7b559d74c5 100644
--- a/arch/x86/kernel/cpu/cpufreq/longrun.c
+++ b/arch/x86/kernel/cpu/cpufreq/longrun.c
@@ -9,7 +9,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
-#include <linux/slab.h>
#include <linux/cpufreq.h>
#include <linux/timex.h>
diff --git a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
index 86961519372..7b8a8ba67b0 100644
--- a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
+++ b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
@@ -25,7 +25,6 @@
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/cpufreq.h>
-#include <linux/slab.h>
#include <linux/cpumask.h>
#include <linux/timex.h>
diff --git a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
index ff36d2979a9..ce7cde713e7 100644
--- a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
@@ -30,6 +30,7 @@
#include <linux/sched.h>
#include <linux/cpufreq.h>
#include <linux/compiler.h>
+#include <linux/slab.h>
#include <linux/acpi.h>
#include <linux/io.h>
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k6.c b/arch/x86/kernel/cpu/cpufreq/powernow-k6.c
index cb01dac267d..b3379d6a5c5 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k6.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k6.c
@@ -13,7 +13,6 @@
#include <linux/init.h>
#include <linux/cpufreq.h>
#include <linux/ioport.h>
-#include <linux/slab.h>
#include <linux/timex.h>
#include <linux/io.h>
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
index 8d672ef162c..9b1ff37de46 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -20,6 +20,7 @@
#include <linux/sched.h> /* current */
#include <linux/delay.h>
#include <linux/compiler.h>
+#include <linux/gfp.h>
#include <asm/msr.h>
#include <asm/processor.h>
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
index 2ce8e0b5cc5..561758e9518 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
@@ -23,7 +23,6 @@
#include <linux/init.h>
#include <linux/cpufreq.h>
#include <linux/pci.h>
-#include <linux/slab.h>
#include <linux/sched.h>
#include "speedstep-lib.h"
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
index ad0083abfa2..a94ec6be69f 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
@@ -13,7 +13,6 @@
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/cpufreq.h>
-#include <linux/slab.h>
#include <asm/msr.h>
#include <asm/tsc.h>
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c b/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c
index 04d73c114e4..8abd869baab 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c
@@ -17,7 +17,6 @@
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/cpufreq.h>
-#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <asm/ist.h>
diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c
index 73734baa50f..e7dbde7bfed 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-inject.c
+++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c
@@ -22,6 +22,7 @@
#include <linux/kdebug.h>
#include <linux/cpu.h>
#include <linux/sched.h>
+#include <linux/gfp.h>
#include <asm/mce.h>
#include <asm/apic.h>
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 3ab9c886b61..8a6f0afa767 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -26,6 +26,7 @@
#include <linux/sched.h>
#include <linux/sysfs.h>
#include <linux/types.h>
+#include <linux/slab.h>
#include <linux/init.h>
#include <linux/kmod.h>
#include <linux/poll.h>
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index cda932ca3ad..224392d8fe8 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -21,6 +21,7 @@
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/sysfs.h>
+#include <linux/slab.h>
#include <linux/init.h>
#include <linux/cpu.h>
#include <linux/smp.h>
diff --git a/arch/x86/kernel/cpu/mcheck/mce_intel.c b/arch/x86/kernel/cpu/mcheck/mce_intel.c
index d15df6e49bf..62b48e40920 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_intel.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_intel.c
@@ -5,6 +5,7 @@
* Author: Andi Kleen
*/
+#include <linux/gfp.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/percpu.h>
diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index 9aa5dc76ff4..fd31a441c61 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -6,7 +6,6 @@
#include <linux/module.h>
#include <linux/init.h>
-#include <linux/slab.h>
#include <linux/io.h>
#include <linux/mm.h>
diff --git a/arch/x86/kernel/cpu/mtrr/if.c b/arch/x86/kernel/cpu/mtrr/if.c
index e006e56f699..79289632cb2 100644
--- a/arch/x86/kernel/cpu/mtrr/if.c
+++ b/arch/x86/kernel/cpu/mtrr/if.c
@@ -5,6 +5,7 @@
#include <linux/module.h>
#include <linux/ctype.h>
#include <linux/string.h>
+#include <linux/slab.h>
#include <linux/init.h>
#define LINE_SIZE 80
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 60398a0d947..db5bdc8addf 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -21,6 +21,7 @@
#include <linux/kdebug.h>
#include <linux/sched.h>
#include <linux/uaccess.h>
+#include <linux/slab.h>
#include <linux/highmem.h>
#include <linux/cpu.h>
#include <linux/bitops.h>
@@ -28,6 +29,7 @@
#include <asm/apic.h>
#include <asm/stacktrace.h>
#include <asm/nmi.h>
+#include <asm/compat.h>
static u64 perf_event_mask __read_mostly;
@@ -158,7 +160,7 @@ struct x86_pmu {
struct perf_event *event);
struct event_constraint *event_constraints;
- void (*cpu_prepare)(int cpu);
+ int (*cpu_prepare)(int cpu);
void (*cpu_starting)(int cpu);
void (*cpu_dying)(int cpu);
void (*cpu_dead)(int cpu);
@@ -1333,11 +1335,12 @@ static int __cpuinit
x86_pmu_notifier(struct notifier_block *self, unsigned long action, void *hcpu)
{
unsigned int cpu = (long)hcpu;
+ int ret = NOTIFY_OK;
switch (action & ~CPU_TASKS_FROZEN) {
case CPU_UP_PREPARE:
if (x86_pmu.cpu_prepare)
- x86_pmu.cpu_prepare(cpu);
+ ret = x86_pmu.cpu_prepare(cpu);
break;
case CPU_STARTING:
@@ -1350,6 +1353,7 @@ x86_pmu_notifier(struct notifier_block *self, unsigned long action, void *hcpu)
x86_pmu.cpu_dying(cpu);
break;
+ case CPU_UP_CANCELED:
case CPU_DEAD:
if (x86_pmu.cpu_dead)
x86_pmu.cpu_dead(cpu);
@@ -1359,7 +1363,7 @@ x86_pmu_notifier(struct notifier_block *self, unsigned long action, void *hcpu)
break;
}
- return NOTIFY_OK;
+ return ret;
}
static void __init pmu_check_apic(void)
@@ -1628,14 +1632,42 @@ copy_from_user_nmi(void *to, const void __user *from, unsigned long n)
return len;
}
-static int copy_stack_frame(const void __user *fp, struct stack_frame *frame)
+#ifdef CONFIG_COMPAT
+static inline int
+perf_callchain_user32(struct pt_regs *regs, struct perf_callchain_entry *entry)
{
- unsigned long bytes;
+ /* 32-bit process in 64-bit kernel. */
+ struct stack_frame_ia32 frame;
+ const void __user *fp;
- bytes = copy_from_user_nmi(frame, fp, sizeof(*frame));
+ if (!test_thread_flag(TIF_IA32))
+ return 0;
+
+ fp = compat_ptr(regs->bp);
+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
+ unsigned long bytes;
+ frame.next_frame = 0;
+ frame.return_address = 0;
+
+ bytes = copy_from_user_nmi(&frame, fp, sizeof(frame));
+ if (bytes != sizeof(frame))
+ break;
+
+ if (fp < compat_ptr(regs->sp))
+ break;
- return bytes == sizeof(*frame);
+ callchain_store(entry, frame.return_address);
+ fp = compat_ptr(frame.next_frame);
+ }
+ return 1;
+}
+#else
+static inline int
+perf_callchain_user32(struct pt_regs *regs, struct perf_callchain_entry *entry)
+{
+ return 0;
}
+#endif
static void
perf_callchain_user(struct pt_regs *regs, struct perf_callchain_entry *entry)
@@ -1651,11 +1683,16 @@ perf_callchain_user(struct pt_regs *regs, struct perf_callchain_entry *entry)
callchain_store(entry, PERF_CONTEXT_USER);
callchain_store(entry, regs->ip);
+ if (perf_callchain_user32(regs, entry))
+ return;
+
while (entry->nr < PERF_MAX_STACK_DEPTH) {
+ unsigned long bytes;
frame.next_frame = NULL;
frame.return_address = 0;
- if (!copy_stack_frame(fp, &frame))
+ bytes = copy_from_user_nmi(&frame, fp, sizeof(frame));
+ if (bytes != sizeof(frame))
break;
if ((unsigned long)fp < regs->sp)
@@ -1702,7 +1739,6 @@ struct perf_callchain_entry *perf_callchain(struct pt_regs *regs)
return entry;
}
-#ifdef CONFIG_EVENT_TRACING
void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip)
{
regs->ip = ip;
@@ -1714,4 +1750,3 @@ void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int ski
regs->cs = __KERNEL_CS;
local_save_flags(regs->flags);
}
-#endif
diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c
index b87e0b6970c..db6f7d4056e 100644
--- a/arch/x86/kernel/cpu/perf_event_amd.c
+++ b/