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perf_event: Fix preempt warning in perf_clock()

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A recent commit introduced a preemption warning for
perf_clock(), use raw_smp_processor_id() to avoid this, it
really doesn't matter which cpu we use here.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1267198583.22519.684.camel@laptop>
Cc: <stable@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2010-02-26 16:36:23 +01:00 committed by Ingo Molnar
parent 4385d580f2
commit 24691ea964
1 changed files with 1 additions and 1 deletions
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2
kernel/perf_event.c
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@ -249,7 +249,7 @@ static void perf_unpin_context(struct perf_event_context *ctx)
static inline u64 perf_clock(void)
{
return cpu_clock(smp_processor_id());
return cpu_clock(raw_smp_processor_id());
}
/*