On Mon, Jul 8, 2019 at 9:51 AM Arnd Bergmann <arnd@xxxxxxxx> wrote:
>
> 'struct hmm_mirror' is not defined without the Kconfig option set,
> so we cannot include it within another struct:
>
> In file included from drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:72:
> drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu_mn.h:69:20: error: field has incomplete type 'struct hmm_mirror'
> struct hmm_mirror mirror;
> ^
> drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu_mn.h:69:9: note: forward declaration of 'struct hmm_mirror'
> struct hmm_mirror mirror;
>
> Add the #ifdef around it that is also used for all functions operating
> on it.
>
> Fixes: 7590f6d211ec ("drm/amdgpu: Prepare for hmm_range_register API change")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Applied. thanks!
Alex
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h
> index 281fd9fef662..b8ed68943625 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h
> @@ -65,8 +65,10 @@ struct amdgpu_mn {
> struct rw_semaphore lock;
> struct rb_root_cached objects;
>
> +#ifdef CONFIG_HMM_MIRROR
> /* HMM mirror */
> struct hmm_mirror mirror;
> +#endif
> };
>
> #if defined(CONFIG_HMM_MIRROR)
> --
> 2.20.0
>
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