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sync: use proper barriers when waiting indefinitely

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The previous fix only addressed waiting with a timeout.

Change-Id: I8ad735d2d0dfdd53592904e8a54f5689cb5eaa5e
Signed-off-by: Erik Gilling <konkers@android.com>
This commit is contained in:
Erik Gilling
2012-10-15 17:58:46 -07:00
committed by 黄涛
parent 2211c10437
commit 8beeb57346
1 changed files with 2 additions and 1 deletions
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3
drivers/base/sync.c
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@@ -587,7 +587,8 @@ int sync_fence_wait(struct sync_fence *fence, long timeout)
sync_fence_check(fence),
timeout);
} else if (timeout < 0) {
err = wait_event_interruptible(fence->wq, fence->status != 0);
err = wait_event_interruptible(fence->wq,
sync_fence_check(fence));
}
if (err < 0)