Re: [Intel-gfx] [PATCH] drm/i915/gt: Free stale request on destroying the virtual engine

Chris Wilson chris@chris-wilson.co.uk writes:

Since preempt-to-busy, we may unsubmit a request while it is still on the HW and completes asynchronously. That means it may be retired and in the process destroy the virtual engine (as the user has closed their context), but that engine may still be holding onto the unsubmitted compelted request. Therefore we need to potentially cleanup the old

completed. -Mika