Re: [PATCH] drm/xe: skip building debugfs code for CONFIG_DEBUG_FS=n

From: Arnd Bergmann
Date: Tue Feb 13 2024 - 10:01:52 EST


On Tue, Feb 13, 2024, at 15:55, Jani Nikula wrote:
> On Tue, 13 Feb 2024, Arnd Bergmann <arnd@xxxxxxxxxx> wrote:
>> From: Arnd Bergmann <arnd@xxxxxxxx>
>>
>> Some of the debugfs functions are stubbed out in these configurations,
>> so trying to build the .c file with the definition fails:
>>
>> In file included from include/uapi/linux/posix_types.h:5,
>> from drivers/gpu/drm/i915/display/intel_pipe_crc.c:27:
>> drivers/gpu/drm/i915/display/intel_pipe_crc.c: At top level:
>> include/linux/stddef.h:8:16: error: expected identifier or '(' before 'void'
>> 8 | #define NULL ((void *)0)
>> | ^~~~
>> drivers/gpu/drm/i915/display/intel_pipe_crc.c:549:20: note: in expansion of macro 'intel_crtc_get_crc_sources'
>> 549 | const char *const *intel_crtc_get_crc_sources(struct drm_crtc *crtc,
>> | ^~~~~~~~~~~~~~~~~~~~~~~~~~
>>
>> Stop trying to build them by making the Makefile entries conditional,
>> same as for the i915 driver.
>
> Already fixed by commit 439987f6f471 ("drm/xe: don't build debugfs files
> when CONFIG_DEBUG_FS=n") in drm-xe-next.
>
> Maybe that needs to be picked up for -fixes?

I made sure that this still happens in linux-next today, but
it does not seem to contain 439987f6f471.

Arnd