On Thu, Nov 12, 2015 at 07:50:09PM +0200, Imre Deak wrote: > On to, 2015-11-12 at 17:04 +0000, Chris Wilson wrote: > > As it stands since we don't actually cancel the hangcheck when we > drop > > the rpm wakelock in intel_mark_idle() it can very well come to pass > > that > > we execute this whilst the device is asleep. However, if the device > > is > > alseep, we now that we are no longer executing. > > But how could this run while asleep, since we flush the work in the > runtime suspend handler before turning off the HW? But even if it can't > run your idea would be clearer imo.. We shouldn't be flushing the hangcheck worker there. That's a leaky abstraction attempting to paper over something that shouldn't have been a problem in the first place. Note that there is a similar issue with the existing request waiters that currently may race against intel_mark_idle(). -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx