linux-kernel - Re: [PATCH] Revert "Enable '-Werror' by default for all kernel builds"

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Message-ID: <20210907225522.GA24901@sirena.org.uk>
Date:   Tue, 7 Sep 2021 23:55:22 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Marco Elver <elver@...gle.com>
Cc:     Nick Desaulniers <ndesaulniers@...gle.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        llvm@...ts.linux.dev,
        LSM List <linux-security-module@...r.kernel.org>,
        linux-toolchains@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Kees Cook <keescook@...omium.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vipin Sharma <vipinsh@...gle.com>,
        Chris Down <chris@...isdown.name>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Daniel Borkmann <daniel@...earbox.net>,
        Vlastimil Babka <vbabka@...e.cz>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Revert "Enable '-Werror' by default for all kernel
 builds"

On Wed, Sep 08, 2021 at 12:14:19AM +0200, Marco Elver wrote:

> I'm predicting most distributions and runtime-focused CIs will disable
> the warning.

Yes, indeed.

> Date: Tue, 7 Sep 2021 23:12:08 +0200
> Subject: [PATCH] kbuild: Only default to -Werror if COMPILE_TEST
> 
> The cross-product of the kernel's supported toolchains, architectures,
> and configuration options is large. So large, that it's generally
> accepted to be infeasible to enumerate and build+test them all
> (many compile-testers rely on randomly generated configs).

Reviwed-by: Mark Brown <broonie@...nel.org>

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