Re: linux-next: manual merge of the tip tree with the drm tree

[Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>]

Hi Arnd,

On Thu, 17 Mar 2016 10:00:56 +0100 Arnd Bergmann <arnd@xxxxxxxx> wrote:
>
> Your merge looks incorrect to me, and I got a build warning for it:
> 
> drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c: In function 'amdgpu_ttm_tt_get_user_pages':
> drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:535:17: error: unused variable 'p' [-Werror=unused-variable]
> 
> I think the one-line change below is what is needed here, but it's probably
> best for amdgpu maintainers to take a closer look.
> 
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> 
> index 8b9b245fd0c8..ab34190859a8 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> @@ -540,7 +540,7 @@ int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages)
>  		list_add(&guptask.list, &gtt->guptasks);
>  		spin_unlock(&gtt->guptasklock);
>  
> -		r = get_user_pages(userptr, num_pages, write, 0, pages, NULL);
> +		r = get_user_pages(userptr, num_pages, write, 0, p, NULL);
>  
>  		spin_lock(&gtt->guptasklock);
>  		list_del(&guptask.list);
> 

Ah, there was another commit to this area (I stopped looking to soon):

  2f568dbd6b94 ("drm/amdgpu: move get_user_pages out of amdgpu_ttm_tt_pin_userptr v6")

Your resolution certainly looks better.  I'll do that tomorrow.

-- 
Cheers,
Stephen Rothwell
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