Re: [Linaro-mm-sig] [PATCH 26/26] dma-buf: nuke dma_resv_get_excl_unlocked

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 daniel.vetter@ffwll.ch

---

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