[Intel-gfx] [PATCH] drm/i915: Remove incorrect warning in context cleanup

[Daniel Vetter]

On Tue, Nov 24, 2015 at 01:29:07PM +0000, Daniel Stone wrote:
> Hi,
> 
> On 24 November 2015 at 13:27, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> > On Tue, Nov 24, 2015 at 01:17:57PM +0000, Tvrtko Ursulin wrote:
> >> On 24/11/15 12:53, Chris Wilson wrote:
> >> >The WARN_ON is accurate though. The original patch fails to fix even the
> >> >limited aspect of the bug it claimed to.
> >>
> >> That is not true. It only makes it a bit more limited, and not by
> >> its fault even. Even with that it makes things a bit better, not
> >> worse.
> >
> > It makes the code worse for very limited improvement, for which we did
> > not have a publically reported bug, i.e. the impact is very small.
> 
> I can get the person who reported it to me to raise a Bugzilla
> complaining about the WARN_ON if you like ...

This is about the original bug, for with the bugfix resulted in the
WARN_ON now being removed here. The underlying problem (I think, it's a
maze) is that our vma active tracking is a bit ... underwhelming.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch