Quoting Christian König (2017-08-13 14:04:29) > Am 11.08.2017 um 19:01 schrieb Chris Wilson: > > This is an illegal scenario, to free the fence whilst there are pending > > callbacks. Currently, we emit a WARN and then cast aside the callbacks > > leaving them dangling. Alternatively, we could set an error on the fence > > and then signal fence so that any dependency chains from the fence can > > be tidied up, and if they care they can check for the error. > > > > The question is whether or not the cure is worse than the disease > > (premature fence signaling is never pretty). > > > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > > Not sure if -EDEADLK is the best error code, but in general the approach > sounds like the least evil to me. EDEADLK felt appropriate since that was the situation that I expect might arise, well livelock. -ENXIO? That seems a reasonable alternative. -ENODEV? The classic -ENOTTY? -Chris _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel