Added comments describing the purpose of using write memory barrier in the context of sync_timeline_destory.
Signed-off-by: Niv Yehezkel <execut...@gmail.com> --- drivers/staging/android/sync.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c index 1f88c5d..18174f7 100644 --- a/drivers/staging/android/sync.c +++ b/drivers/staging/android/sync.c @@ -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(); /* -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/