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Commit 2e939d1d authored by Franck Bui-Huu's avatar Franck Bui-Huu Committed by Ingo Molnar
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perf: Limit event refresh to sampling event 



Signed-off-by: default avatarFranck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1290525705-6265-2-git-send-email-fbuihuu@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 6c7e550f

kernel/perf_event.c

+1 −1
Original line number Diff line number Diff line
@@ -1073,7 +1073,7 @@ static int perf_event_refresh(struct perf_event *event, int refresh) 
	/*

	 * not supported on inherited events

	 */

	if (event->attr.inherit)

	if (event->attr.inherit || !is_sampling_event(event))

		return -EINVAL;



	atomic_add(refresh, &event->event_limit);