Re: [Intel-gfx] [PATCH 1/7] drm/i915: Flush submission tasklet after bumping priority

Quoting Mika Kuoppala (2018-05-07 12:15:58) > Chris Wilson writes: > > > When called from process context tasklet_schedule() defers itself to > > ksoftirqd. From experience this may cause unacceptable latencies of over > > 200ms in executing the submission tasklet, our

Re: [Intel-gfx] [PATCH 1/7] drm/i915: Flush submission tasklet after bumping priority

Chris Wilson writes: > When called from process context tasklet_schedule() defers itself to > ksoftirqd. From experience this may cause unacceptable latencies of over > 200ms in executing the submission tasklet, our goal is to reprioritise > the HW execution queue and

[Intel-gfx] [PATCH 1/7] drm/i915: Flush submission tasklet after bumping priority

When called from process context tasklet_schedule() defers itself to ksoftirqd. From experience this may cause unacceptable latencies of over 200ms in executing the submission tasklet, our goal is to reprioritise the HW execution queue and trigger preemption immediately, so convert the rcu