Re: [PATCH] arch: Fix name collision with ACPI's video.o

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Hi,

On 5/17/24 11:14 AM, Thomas Zimmermann wrote:
> Commit 2fd001cd3600 ("arch: Rename fbdev header and source files")
> renames the video source files under arch/ such that they do not
> refer to fbdev any longer. The new files named video.o conflict with
> ACPI's video.ko module. Modprobing the ACPI module can then fail with
> warnings about missing symbols, as shown below.
> 
>   (i915_selftest:1107) igt_kmod-WARNING: i915: Unknown symbol acpi_video_unregister (err -2)
>   (i915_selftest:1107) igt_kmod-WARNING: i915: Unknown symbol acpi_video_register_backlight (err -2)
>   (i915_selftest:1107) igt_kmod-WARNING: i915: Unknown symbol __acpi_video_get_backlight_type (err -2)
>   (i915_selftest:1107) igt_kmod-WARNING: i915: Unknown symbol acpi_video_register (err -2)
> 
> Fix the issue by renaming the architecture's video.o to video-common.o.
> 
> Reported-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@xxxxxxxxx>
> Closes: https://lore.kernel.org/intel-gfx/9dcac6e9-a3bf-4ace-bbdc-f697f767f9e0@xxxxxxx/T/#t
> Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
> Fixes: 2fd001cd3600 ("arch: Rename fbdev header and source files")
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: linux-arch@xxxxxxxxxxxxxxx
> Cc: linux-fbdev@xxxxxxxxxxxxxxx
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Regards,

Hans




> ---
>  arch/sparc/video/Makefile                    | 2 +-
>  arch/sparc/video/{video.c => video-common.c} | 0
>  arch/x86/video/Makefile                      | 2 +-
>  arch/x86/video/{video.c => video-common.c}   | 0
>  4 files changed, 2 insertions(+), 2 deletions(-)
>  rename arch/sparc/video/{video.c => video-common.c} (100%)
>  rename arch/x86/video/{video.c => video-common.c} (100%)
> 
> diff --git a/arch/sparc/video/Makefile b/arch/sparc/video/Makefile
> index fdf83a408d750..dcfbe7a5912c0 100644
> --- a/arch/sparc/video/Makefile
> +++ b/arch/sparc/video/Makefile
> @@ -1,3 +1,3 @@
>  # SPDX-License-Identifier: GPL-2.0-only
>  
> -obj-y	+= video.o
> +obj-y	+= video-common.o
> diff --git a/arch/sparc/video/video.c b/arch/sparc/video/video-common.c
> similarity index 100%
> rename from arch/sparc/video/video.c
> rename to arch/sparc/video/video-common.c
> diff --git a/arch/x86/video/Makefile b/arch/x86/video/Makefile
> index fdf83a408d750..dcfbe7a5912c0 100644
> --- a/arch/x86/video/Makefile
> +++ b/arch/x86/video/Makefile
> @@ -1,3 +1,3 @@
>  # SPDX-License-Identifier: GPL-2.0-only
>  
> -obj-y	+= video.o
> +obj-y	+= video-common.o
> diff --git a/arch/x86/video/video.c b/arch/x86/video/video-common.c
> similarity index 100%
> rename from arch/x86/video/video.c
> rename to arch/x86/video/video-common.c





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