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authorEric B Munson <emunson@mgebm.net>2011-06-23 16:34:37 -0400
committerIngo Molnar <mingo@elte.hu>2011-07-01 11:06:33 +0200
commitb7526f0ca6dc68f57ca467ce503151b1d476a3e4 (patch)
tree979237e480c349409410f38aba502b06794a6b44 /kernel/events
parent28009ce4a8130af7260a9271901b4419834ad152 (diff)
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events: Add note to update_event_times comment about holding ctx->lock
Signed-off-by: Eric B Munson <emunson@mgebm.net> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1308861279-15216-1-git-send-email-emunson@mgebm.net Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/events')
-rw-r--r--kernel/events/core.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index e4aee51..2293e0b 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -748,6 +748,7 @@ static u64 perf_event_time(struct perf_event *event)
/*
* Update the total_time_enabled and total_time_running fields for a event.
+ * The caller of this function needs to hold the ctx->lock.
*/
static void update_event_times(struct perf_event *event)
{