Re: [PATCH 02/10] drm/i915: Kick hangcheck from retire worker

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On Mon, Jul 11, 2016 at 03:21:37PM +0300, Mika Kuoppala wrote:
> Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:
> 
> > Let's ensure that we cannot run indefinitely without the hangcheck
> > worker being queued. We removed it from being kicked on every request
> > because we were kicking it a few millions times in every hangcheck
> > interval and only once is necessary! However, that leaves us with the
> > issue of what if userspace never waits for a request, or runs out of
> > resources, what if userspace just issues a request then spins on
> > BUSY_IOCTL?
> >
> > Testcase: igt/gem_busy
> > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> > Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> 
> Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>

Ta, I'm going to push this pair as they fix a couple of (new) igt.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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