linux-kernel - Re: [PATCH v4 03/10] drm/msm/gem: Convert some missed GEM_WARN

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Message-ID: <be83952d-d411-d0c8-e05f-ad50a8ba9c0e@linaro.org>
Date:   Fri, 15 Apr 2022 00:22:50 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Rob Clark <robdclark@...il.com>, dri-devel@...ts.freedesktop.org
Cc:     linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
        Dmitry Osipenko <dmitry.osipenko@...labora.com>,
        Rob Clark <robdclark@...omium.org>,
        Sean Paul <sean@...rly.run>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 03/10] drm/msm/gem: Convert some missed GEM_WARN_ON()s

On 12/04/2022 00:58, Rob Clark wrote:
> From: Rob Clark <robdclark@...omium.org>
> 
> Signed-off-by: Rob Clark <robdclark@...omium.org>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

> ---
>   drivers/gpu/drm/msm/msm_gem_vma.c | 10 +++++-----
>   1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/msm_gem_vma.c b/drivers/gpu/drm/msm/msm_gem_vma.c
> index f914ddbaea89..64906594fc65 100644
> --- a/drivers/gpu/drm/msm/msm_gem_vma.c
> +++ b/drivers/gpu/drm/msm/msm_gem_vma.c
> @@ -44,7 +44,7 @@ void msm_gem_purge_vma(struct msm_gem_address_space *aspace,
>   	unsigned size = vma->node.size << PAGE_SHIFT;
>   
>   	/* Print a message if we try to purge a vma in use */
> -	if (WARN_ON(vma->inuse > 0))
> +	if (GEM_WARN_ON(vma->inuse > 0))
>   		return;
>   
>   	/* Don't do anything if the memory isn't mapped */
> @@ -61,7 +61,7 @@ void msm_gem_purge_vma(struct msm_gem_address_space *aspace,
>   void msm_gem_unmap_vma(struct msm_gem_address_space *aspace,
>   		struct msm_gem_vma *vma)
>   {
> -	if (!WARN_ON(!vma->iova))
> +	if (!GEM_WARN_ON(!vma->iova))
>   		vma->inuse--;
>   }
>   
> @@ -73,7 +73,7 @@ msm_gem_map_vma(struct msm_gem_address_space *aspace,
>   	unsigned size = npages << PAGE_SHIFT;
>   	int ret = 0;
>   
> -	if (WARN_ON(!vma->iova))
> +	if (GEM_WARN_ON(!vma->iova))
>   		return -EINVAL;
>   
>   	/* Increase the usage counter */
> @@ -100,7 +100,7 @@ msm_gem_map_vma(struct msm_gem_address_space *aspace,
>   void msm_gem_close_vma(struct msm_gem_address_space *aspace,
>   		struct msm_gem_vma *vma)
>   {
> -	if (WARN_ON(vma->inuse > 0 || vma->mapped))
> +	if (GEM_WARN_ON(vma->inuse > 0 || vma->mapped))
>   		return;
>   
>   	spin_lock(&aspace->lock);
> @@ -120,7 +120,7 @@ int msm_gem_init_vma(struct msm_gem_address_space *aspace,
>   {
>   	int ret;
>   
> -	if (WARN_ON(vma->iova))
> +	if (GEM_WARN_ON(vma->iova))
>   		return -EBUSY;
>   
>   	spin_lock(&aspace->lock);


-- 
With best wishes
Dmitry