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authorPeter Zijlstra <peterz@infradead.org>2010-02-26 16:36:23 +0100
committerIngo Molnar <mingo@elte.hu>2010-02-26 17:25:00 +0100
commit24691ea964cc0123e386b661e03a86a481c6ee79 (patch)
tree3dbda94caa97b627dde488e968c937e3bbbc8fbc /kernel/perf_event.c
parent4385d580f2278abab6d336e52522e9a6f5452a11 (diff)
downloadop-kernel-dev-24691ea964cc0123e386b661e03a86a481c6ee79.zip
op-kernel-dev-24691ea964cc0123e386b661e03a86a481c6ee79.tar.gz
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>
Diffstat (limited to 'kernel/perf_event.c')
-rw-r--r--kernel/perf_event.c2
1 files changed, 1 insertions, 1 deletions
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 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());
}
/*
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