Quoting Michel Thierry (2018-02-21 17:25:54) > On 21/02/18 05:32, Chris Wilson wrote: > > Load an empty ringbuffer for preemption, ignoring the lite-restore > > workaround as we know the preempt context is always idle before preemption. > > > > True, injecting the preempt context shouldn't cause a lite-restore. > And the restriction was to always have Head!=Tail when attempting lite > restore. > > > Note that after some digging by Michal Winiarski, we found that > > RING_HEAD is no longer being updated (due to inhibiting context save > > restore) so this patch is already in effect! > > > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > > Cc: Michal Winiarski <michal.winiarski@xxxxxxxxx> > > Cc: Michel Thierry <michel.thierry@xxxxxxxxx> > > Cc: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx> > > Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > > Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxx> > > Reviewed-by: Michel Thierry <michel.thierry@xxxxxxxxx> And pushed. Thanks for the review, at worst this just shows that we have an issue more readily :) -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
