On Thu, Dec 20, 2012 at 09:24:07PM +0100, Daniel Vetter 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. > > v2: WARN_ON(waitqueue_active) before waiting, as suggested by Chris > Wilson. > > Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch> Queued for next, with an irc-ack from Chris. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch
