Re: [PATCH 26/26] dma-buf: nuke dma_resv_get_excl_unlocked
From: Daniel Vetter <hidden>
Date: 2021-09-17 14:56:17
Also in:
dri-devel, intel-gfx
On Fri, Sep 17, 2021 at 02:35:13PM +0200, Christian König wrote:
Heureka, that's finally not used any more. Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <redacted>
quoted hunk ↗ jump to hunk
--- include/linux/dma-resv.h | 26 -------------------------- 1 file changed, 26 deletions(-)diff --git a/include/linux/dma-resv.h b/include/linux/dma-resv.h index 8c968f8c9d33..f42ca254acb5 100644 --- a/include/linux/dma-resv.h +++ b/include/linux/dma-resv.h@@ -423,32 +423,6 @@ dma_resv_excl_fence(struct dma_resv *obj) return rcu_dereference_check(obj->fence_excl, dma_resv_held(obj)); } -/** - * dma_resv_get_excl_unlocked - get the reservation object's - * exclusive fence, without lock held. - * @obj: the reservation object - * - * If there is an exclusive fence, this atomically increments it's - * reference count and returns it. - * - * RETURNS - * The exclusive fence or NULL if none - */ -static inline struct dma_fence * -dma_resv_get_excl_unlocked(struct dma_resv *obj) -{ - struct dma_fence *fence; - - if (!rcu_access_pointer(obj->fence_excl)) - return NULL; - - rcu_read_lock(); - fence = dma_fence_get_rcu_safe(&obj->fence_excl); - rcu_read_unlock(); - - return fence; -} - /** * dma_resv_shared_list - get the reservation object's shared fence list * @obj: the reservation object-- 2.25.1
-- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch