Building the Linux kernel with Clang and LLVM
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From: "Arnd Bergmann" <arnd@arndb.de>
To: "Nathan Chancellor" <nathan@kernel.org>,
	"Masahiro Yamada" <masahiroy@kernel.org>
Cc: "Nicolas Schier" <nicolas@fjasle.eu>,
	"Nick Desaulniers" <ndesaulniers@google.com>,
	"Bill Wendling" <morbo@google.com>,
	"Justin Stitt" <justinstitt@google.com>,
	"Yonghong Song" <yonghong.song@linux.dev>,
	linux-kbuild@vger.kernel.org, llvm@lists.linux.dev,
	patches@lists.linux.dev, stable@vger.kernel.org
Subject: Re: [PATCH] kbuild: Disable two Clang specific enumeration warnings
Date: Tue, 05 Mar 2024 19:49:31 +0100	[thread overview]
Message-ID: <57abd8e9-3177-4260-b423-38d5cdcda44e@app.fastmail.com> (raw)
In-Reply-To: <20240305-disable-extra-clang-enum-warnings-v1-1-6a93ef3d35ff@kernel.org>

On Tue, Mar 5, 2024, at 18:42, Nathan Chancellor wrote:
>
> As the warnings do not appear to have a high signal to noise ratio and
> the source level silencing options are not sustainable, disable the
> warnings unconditionally, as they will be enabled with -Wenum-conversion
> and are supported in all versions of clang that can build the kernel.

I took a look at a sample of warnings in an allmodconfig build
and found a number that need attention. I would much prefer to 
leave these turned on at the W=1 level and only disable them
at the default warning level.

      Arnd

  parent reply	other threads:[~2024-03-05 18:50 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-05 17:42 [PATCH] kbuild: Disable two Clang specific enumeration warnings Nathan Chancellor
2024-03-05 18:11 ` Yonghong Song
2024-03-05 18:49 ` Arnd Bergmann [this message]
2024-03-05 18:52   ` Nick Desaulniers
2024-03-05 19:30     ` Nathan Chancellor
2024-03-05 21:52       ` Arnd Bergmann
2024-03-05 22:14         ` Nathan Chancellor

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