Re: [PATCH v2] drm/i915: use i915_gem_object_put_unlocked() after releasing mutex

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On Thu, Jul 21, 2016 at 06:39:38PM +0100, Dave Gordon wrote:
> The exit path in intel_overlay_put_image_ioctl() first unlocks the
> struct_mutex, then drops its reference to 'new_bo' by calling
> i915_gem_object_put(). As it isn't holding the mutex at this point,
> this should be i915_gem_object_put_unlocked().
> 
> This was previously correct but got splatted in the recent
> s/drm_gem_object_unreference/i915_gem_object_put/
> where the _unlocked suffix was lost in this one case.
> 
> v2: don't bother fixing whitespace glitch [Chris Wilson]
>     Chris can do it next time he touches gem_evict.c ;)

He plans to, it is drm/i915: Release vma when the handle is closed,
where we don't need to touch the obj in that loop any more.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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