linux-kernel - Re: [PATCH -next] drm/amdgpu: remove set but not used variables 'vm, bo'

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Date:   Wed, 27 Feb 2019 21:43:41 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     Oded Gabbay <oded.gabbay@...il.com>,
        "Deucher, Alexander" <alexander.deucher@....com>,
        Christian Koenig <christian.koenig@....com>,
        Chunming Zhou <David1.Zhou@....com>,
        Dave Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        kernel-janitors@...r.kernel.org,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] drm/amdgpu: remove set but not used variables 'vm, bo'

Applied.  thanks!

On Wed, Feb 20, 2019 at 3:05 AM YueHaibing <yuehaibing@...wei.com> wrote:
>
> Fixes gcc '-Wunused-but-set-variable' warning:
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c: In function 'update_gpuvm_pte':
> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c:840:20: warning:
>  variable 'bo' set but not used [-Wunused-but-set-variable]
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c:838:20: warning:
>  variable 'vm' set but not used [-Wunused-but-set-variable]
>
> They're never used since introduction in a46a2cd103a8 ("drm/amdgpu: Add GPUVM
> memory management functions for KFD")
>
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 8 +-------
>  1 file changed, 1 insertion(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> index d7b10d79f1de..63daf758cd03 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> @@ -837,13 +837,7 @@ static int update_gpuvm_pte(struct amdgpu_device *adev,
>                 struct amdgpu_sync *sync)
>  {
>         int ret;
> -       struct amdgpu_vm *vm;
> -       struct amdgpu_bo_va *bo_va;
> -       struct amdgpu_bo *bo;
> -
> -       bo_va = entry->bo_va;
> -       vm = bo_va->base.vm;
> -       bo = bo_va->base.bo;
> +       struct amdgpu_bo_va *bo_va = entry->bo_va;
>
>         /* Update the page tables  */
>         ret = amdgpu_vm_bo_update(adev, bo_va, false);
>
>
>
>
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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