Quoting Tvrtko Ursulin (2019-02-11 11:13:12)
>
> On 08/02/2019 13:47, Chris Wilson wrote:
> > If we allocate while iterating the rbtree of active nodes, we may hit
> > the shrinker and so retire the i915_active reap the rbtree. Modifying
> > the rbtree as we iterate is not good behaviour, so acquire the
> > i915_active first to keep the tree intact whenever we allocate.
Bleugh, better grammar included.
> > Fixes: a42375af0a30 ("drm/i915: Release the active tracker tree upon idling")
> > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> > Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> > Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
And pushed, thanks.
-Chris
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