drm: Apply kref_put_mutex() optimisations to drm_gem_object_unreference_unlocked()

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We can apply the same optimisation tricks as kref_put_mutex() in our
local equivalent function. However, we have a different locking semantic
(we unlock ourselves, in kref_put_mutex() the callee unlocks) so that we
can use the same callbacks for both locked and unlocked kref_put()s and
so can not simply convert to using kref_put_mutex() directly.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>

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Chris Wilson 2013-08-06 09:59:46 +01:00 • committed by Dave Airlie

parent 43387b37fa

commit 7fc65eb731

1 changed files with 4 additions and 2 deletions

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include/drm/drmP.h

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