linux-kernel - Re: [PATCH] drm/i915: Remove __dma_fence_is

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <0c6e33b7-9af1-842e-d1e6-38d685112848@amd.com>
Date:   Wed, 29 Jun 2022 08:57:38 +0200
From:   Christian König <christian.koenig@....com>
To:     Rob Clark <robdclark@...il.com>, dri-devel@...ts.freedesktop.org
Cc:     intel-gfx@...ts.freedesktop.org,
        Rob Clark <robdclark@...omium.org>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Matthew Auld <matthew.auld@...el.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Thomas Hellström 
        <thomas.hellstrom@...ux.intel.com>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:DMA BUFFER SHARING FRAMEWORK" 
        <linux-media@...r.kernel.org>,
        "moderated list:DMA BUFFER SHARING FRAMEWORK" 
        <linaro-mm-sig@...ts.linaro.org>
Subject: Re: [PATCH] drm/i915: Remove __dma_fence_is_chain()

Am 29.06.22 um 01:35 schrieb Rob Clark:
> From: Rob Clark <robdclark@...omium.org>
>
> drive-by cleanup
>
> Signed-off-by: Rob Clark <robdclark@...omium.org>

We should probably completely remove that dependency and rather use 
dma_fence_unwrap instead.

But that's probably for another patch Reviewed-by: Christian König 
<christian.koenig@....com>.

Christian.


> ---
>   drivers/gpu/drm/i915/gem/i915_gem_wait.c | 7 +------
>   1 file changed, 1 insertion(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_wait.c b/drivers/gpu/drm/i915/gem/i915_gem_wait.c
> index 319936f91ac5..667841780514 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_wait.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_wait.c
> @@ -73,11 +73,6 @@ static void fence_set_priority(struct dma_fence *fence,
>   	rcu_read_unlock();
>   }
>   
> -static inline bool __dma_fence_is_chain(const struct dma_fence *fence)
> -{
> -	return fence->ops == &dma_fence_chain_ops;
> -}
> -
>   void i915_gem_fence_wait_priority(struct dma_fence *fence,
>   				  const struct i915_sched_attr *attr)
>   {
> @@ -93,7 +88,7 @@ void i915_gem_fence_wait_priority(struct dma_fence *fence,
>   
>   		for (i = 0; i < array->num_fences; i++)
>   			fence_set_priority(array->fences[i], attr);
> -	} else if (__dma_fence_is_chain(fence)) {
> +	} else if (dma_fence_is_chain(fence)) {
>   		struct dma_fence *iter;
>   
>   		/* The chain is ordered; if we boost the last, we boost all */