On Tue, 14 Aug 2018, Arnd Bergmann wrote:
> A new build error appeared with CONFIG_PROC_FS disabled:
>
> arch/x86/kernel/apm_32.c:1643:12: error: 'proc_apm_show' defined but not used
> [-Werror=unused-function]
>
> This marks the function as __maybe_unused to let the compiler drop
> it silently.
>
> Fixes: 3f3942aca6da ("proc: introduce proc_create_single{,_data}")
The proper fix for this is to convert the stub function for proc_apm_show()
to an inline. The compiler complains because the stub is a macro ....
Thanks,
tglx
