Commit 29606609 authored May 24, 2014 by Niv Yehezkel Committed by Greg Kroah-Hartman May 25, 2014

staging: android: describe use of memory barrier on sync.c



Added comments describing the purpose of using write memory
barrier in the context of sync_timeline_destory.

Signed-off-by: Niv Yehezkel <executerx@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 77870a1b

drivers/staging/android/sync.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -92,6 +92,10 @@ static void sync_timeline_free(struct kref *kref)
		void sync_timeline_destroy(struct sync_timeline *obj)
		{
		obj->destroyed = true;
		/*
		* Ensure timeline is marked as destroyed before
		* changing timeline's fences status.
		*/
		smp_wmb();

		/*

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