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>
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 05b6c6b..aa6155b 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -249,7 +249,7 @@
static inline u64 perf_clock(void)
{
- return cpu_clock(smp_processor_id());
+ return cpu_clock(raw_smp_processor_id());
}
/*