Re: [PATCH v3 1/1] x86/cpu: Make sure flag_is_changeable_p() is always being used

From: Andy Shevchenko
Date: Fri Nov 08 2024 - 04:29:19 EST


On Tue, Sep 10, 2024 at 11:42:42AM +0300, Andy Shevchenko wrote:
> When flag_is_changeable_p() is unused, it prevents kernel builds
> with clang, `make W=1` and CONFIG_WERROR=y:
>
> arch/x86/kernel/cpu/common.c:351:19: error: unused function 'flag_is_changeable_p' [-Werror,-Wunused-function]
> 351 | static inline int flag_is_changeable_p(u32 flag)
> | ^~~~~~~~~~~~~~~~~~~~
>
> Fix this by moving core around to make sure flag_is_changeable_p() is
> always being used.
>
> See also commit 6863f5643dd7 ("kbuild: allow Clang to find unused static
> inline functions for W=1 build").

Any comments on this? Can it be applied?

--
With Best Regards,
Andy Shevchenko