From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org, llvm@lists.linux.dev
Cc: Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Bill Wendling <morbo@google.com>,
Justin Stitt <justinstitt@google.com>,
Dave Hansen <dave.hansen@intel.com>
Subject: Re: [PATCH v3 1/1] x86/cpu: Make sure flag_is_changeable_p() is always being used
Date: Fri, 8 Nov 2024 11:29:02 +0200 [thread overview]
Message-ID: <Zy3Z3kYOOV3PzG8M@smile.fi.intel.com> (raw)
In-Reply-To: <20240910084356.1518209-1-andriy.shevchenko@linux.intel.com>
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
next prev parent reply other threads:[~2024-11-08 9:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-10 8:42 [PATCH v3 1/1] x86/cpu: Make sure flag_is_changeable_p() is always being used Andy Shevchenko
2024-11-08 9:29 ` Andy Shevchenko [this message]
2024-11-08 11:50 ` H. Peter Anvin
2024-11-08 12:48 ` Andy Shevchenko
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