Re: [PATCH 07/12] drm/i915: GEM operations need to be done under the big lock

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On Tue, Feb 02, 2016 at 11:06:25AM +0000, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> 
> VMA creation and GEM list management need the big lock.
> 
> v2:
> 
> Mutex unlock ended on the wrong path somehow. (0-day, Julia Lawall)
> 
> Not to mention drm_gem_object_unreference was there in existing
> code with no mutex held.
> 
> v3:
> 
> Some callers of i915_gem_object_create_stolen_for_preallocated
> already hold the lock so move the mutex into the other caller
> as well.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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