17 Dec
2012
17 Dec
'12
7:24 p.m.
On Mon, 17 Dec 2012 16:59:00 +0100, Daniel Vetter daniel.vetter@ffwll.ch wrote:
Otherwise it seems like we can get stuck with concurrent waiters. Right now this /shouldn't/ be a problem, since all pending pageflip waiters are serialized by the one mode_config.mutex, so there's at most on waiter. But better paranoid than sorry, since this is tricky code.
Hmm.
BUG_ON(waitqueue_active()) before joining the waitqueue? -Chris
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Chris Wilson, Intel Open Source Technology Centre