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

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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@xxxxxxx>

Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>

> ---
>  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



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