events: Add note to update_event_times comment about holding ctx->lock
authorEric B Munson <emunson@mgebm.net>
Thu, 23 Jun 2011 20:34:37 +0000 (16:34 -0400)
committerIngo Molnar <mingo@elte.hu>
Fri, 1 Jul 2011 09:06:33 +0000 (11:06 +0200)
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>
kernel/events/core.c

index e4aee519572d6751d65012e46a231abad3d48700..2293e0b084a907fa38689e76057d3f252a918e60 100644 (file)
@@ -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)
 {