Re: [Intel-gfx] [PATCH v2 8/9] drm/i915: Apply a mb between emitting the request and hangcheck

2016-04-06 Thread Mika Kuoppala
Chris Wilson writes: > [ text/plain ] > Seal the request and mark it as pending execution before we submit it to > hardware. We assume that the actual submission cannot fail (that > guarantee is provided by preallocating space in the request for the > submission). As we may inspect this state wit

[Intel-gfx] [PATCH v2 8/9] drm/i915: Apply a mb between emitting the request and hangcheck

2016-04-06 Thread Chris Wilson
Seal the request and mark it as pending execution before we submit it to hardware. We assume that the actual submission cannot fail (that guarantee is provided by preallocating space in the request for the submission). As we may inspect this state without holding any locks during hangcheck we shoul