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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-26 10:15:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-26 10:15:33 -0700
commit49e70dda359660f20fa21d03bfae132e15c78195 (patch)
treea21498cdd419bbfd08729fed7d161a4d68c865c9 /arch/x86
parent179b9145d58eb7158d4053a8308b9fc4608a6d6b (diff)
parent725b13685c61168f71825b3fb67d96d2d7aa3b0f (diff)
Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf tools: Dont use openat() perf tools: Fix buffer allocation perf tools: .gitignore += perf*.html perf tools: Handle relative paths while loading module symbols perf tools: Fix module symbol loading bug perf_event, x86: Fix 'perf sched record' crashing the machine perf_event: Update PERF_EVENT_FORK header definition perf stat: Fix zero total printouts
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/cpu/perf_event.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index a3c7adb06b7..b5801c31184 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1790,6 +1790,9 @@ void smp_perf_pending_interrupt(struct pt_regs *regs)
void set_perf_event_pending(void)
{
#ifdef CONFIG_X86_LOCAL_APIC
+ if (!x86_pmu.apic || !x86_pmu_initialized())
+ return;
+
apic->send_IPI_self(LOCAL_PENDING_VECTOR);
#endif
}