Re: [PATCH 08/13] drm/i915: GEM operations need to be done under the big lock

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On Fri, Jan 08, 2016 at 11:47:03AM +0000, Tvrtko Ursulin wrote:
> 
> On 08/01/16 11:40, Chris Wilson wrote:
> >On Fri, Jan 08, 2016 at 11:29:47AM +0000, Tvrtko Ursulin wrote:
> >>From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> >>
> >>VMA creation and GEM list management need the big lock.
> >
> >No, this operation doesn't require locking.
> 
> You can argue about positioning and such, but it is adding it to the
> bound and inactive list...

Actually you raise a good point about the other stolen series,
namely we need to push this lock up to the caller since we have the
samme issue wit i915_gem_object_create_stolen() which I don't remember
that we fixed in valleyview_setup_pctx().
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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