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authorIngo Molnar <mingo@kernel.org>2014-06-05 11:18:34 +0200
committerIngo Molnar <mingo@kernel.org>2014-06-05 12:26:50 +0200
commit10b0256496fd6c162478547f7c6df1e052e87644 (patch)
tree7037905737ae83a86a5cdb376cd1d66f7f407e2e /arch/x86/kernel/cpu
parentc56d34064b6eb9f9cde9e35bbfe16eedf3d81f94 (diff)
parent69902c718c0b476e94ed7fccd3cf29ca39fe433a (diff)
Merge branch 'perf/kprobes' into perf/core
Conflicts: arch/x86/kernel/traps.c The kprobes enhancements are fully cooked, ship them upstream. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu')
-rw-r--r--arch/x86/kernel/cpu/common.c4
-rw-r--r--arch/x86/kernel/cpu/perf_event.c3
-rw-r--r--arch/x86/kernel/cpu/perf_event_amd_ibs.c3
3 files changed, 8 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index a135239badb..5af696dddd1 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -8,6 +8,7 @@
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/init.h>
+#include <linux/kprobes.h>
#include <linux/kgdb.h>
#include <linux/smp.h>
#include <linux/io.h>
@@ -1160,6 +1161,7 @@ int is_debug_stack(unsigned long addr)
(addr <= __get_cpu_var(debug_stack_addr) &&
addr > (__get_cpu_var(debug_stack_addr) - DEBUG_STKSZ));
}
+NOKPROBE_SYMBOL(is_debug_stack);
DEFINE_PER_CPU(u32, debug_idt_ctr);
@@ -1168,6 +1170,7 @@ void debug_stack_set_zero(void)
this_cpu_inc(debug_idt_ctr);
load_current_idt();
}
+NOKPROBE_SYMBOL(debug_stack_set_zero);
void debug_stack_reset(void)
{
@@ -1176,6 +1179,7 @@ void debug_stack_reset(void)
if (this_cpu_dec_return(debug_idt_ctr) == 0)
load_current_idt();
}
+NOKPROBE_SYMBOL(debug_stack_reset);
#else /* CONFIG_X86_64 */
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 89f3b7c1af2..32029e35f2b 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1293,7 +1293,7 @@ void perf_events_lapic_init(void)
apic_write(APIC_LVTPC, APIC_DM_NMI);
}
-static int __kprobes
+static int
perf_event_nmi_handler(unsigned int cmd, struct pt_regs *regs)
{
u64 start_clock;
@@ -1311,6 +1311,7 @@ perf_event_nmi_handler(unsigned int cmd, struct pt_regs *regs)
return ret;
}
+NOKPROBE_SYMBOL(perf_event_nmi_handler);
struct event_constraint emptyconstraint;
struct event_constraint unconstrained;
diff --git a/arch/x86/kernel/cpu/perf_event_amd_ibs.c b/arch/x86/kernel/cpu/perf_event_amd_ibs.c
index 4c36bbe3173..cbb1be3ed9e 100644
--- a/arch/x86/kernel/cpu/perf_event_amd_ibs.c
+++ b/arch/x86/kernel/cpu/perf_event_amd_ibs.c
@@ -593,7 +593,7 @@ out:
return 1;
}
-static int __kprobes
+static int
perf_ibs_nmi_handler(unsigned int cmd, struct pt_regs *regs)
{
int handled = 0;
@@ -606,6 +606,7 @@ perf_ibs_nmi_handler(unsigned int cmd, struct pt_regs *regs)
return handled;
}
+NOKPROBE_SYMBOL(perf_ibs_nmi_handler);
static __init int perf_ibs_pmu_init(struct perf_ibs *perf_ibs, char *name)
{