Commit 24691ea9 authored Feb 26, 2010 by Peter Zijlstra Committed by Ingo Molnar Feb 26, 2010

perf_event: Fix preempt warning in perf_clock()



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>

parent 4385d580

kernel/perf_event.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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());
		}

		/*