linux-kernel - Re: [PATCH -next v2] drm/msm: Use list_move_tail instead of list_del/list_add_tail in msm

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Message-ID: <0ac0b93f-65f6-930b-a224-12ebf919ad9d@linaro.org>
Date:   Thu, 5 Aug 2021 11:23:05 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Baokun Li <libaokun1@...wei.com>, linux-kernel@...r.kernel.org,
        Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Christian König <christian.koenig@....com>
Cc:     weiyongjun1@...wei.com, yuehaibing@...wei.com,
        yangjihong1@...wei.com, yukuai3@...wei.com,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-media@...r.kernel.org,
        linaro-mm-sig@...ts.linaro.org, kernel-janitors@...r.kernel.org,
        Hulk Robot <hulkci@...wei.com>
Subject: Re: [PATCH -next v2] drm/msm: Use list_move_tail instead of
 list_del/list_add_tail in msm_gem.c

On 09/06/2021 10:28, Baokun Li wrote:
> Using list_move_tail() instead of list_del() + list_add_tail() in msm_gem.c.
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Baokun Li <libaokun1@...wei.com>

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

> ---
> V1->V2:
> 	CC mailist
> 
>   drivers/gpu/drm/msm/msm_gem.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
> index 1865919368f2..5b7d63d3750a 100644
> --- a/drivers/gpu/drm/msm/msm_gem.c
> +++ b/drivers/gpu/drm/msm/msm_gem.c
> @@ -854,8 +854,7 @@ void msm_gem_active_get(struct drm_gem_object *obj, struct msm_gpu *gpu)
>   		mutex_lock(&priv->mm_lock);
>   		if (msm_obj->evictable)
>   			mark_unevictable(msm_obj);
> -		list_del(&msm_obj->mm_list);
> -		list_add_tail(&msm_obj->mm_list, &gpu->active_list);
> +		list_move_tail(&msm_obj->mm_list, &gpu->active_list);
>   		mutex_unlock(&priv->mm_lock);
>   	}
>   }
> 


-- 
With best wishes
Dmitry