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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Tue, 7 Sep 2021 15:18:14 -0700
Message-ID: <CAHk-=wgPaQsEr+En=cqCqAC_sWmVP6x5rD2rmZRomH9EnTQL7Q@mail.gmail.com>
Subject: Re: [PATCH] Revert "Enable '-Werror' by default for all kernel builds"
To:     Marco Elver <elver@google.com>
Cc:     Nick Desaulniers <ndesaulniers@google.com>, llvm@lists.linux.dev,
        LSM List <linux-security-module@vger.kernel.org>,
        linux-toolchains@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Guenter Roeck <linux@roeck-us.net>,
        Kees Cook <keescook@chromium.org>,
        Mark Brown <broonie@kernel.org>,
        Masahiro Yamada <masahiroy@kernel.org>,
        Nathan Chancellor <nathan@kernel.org>,
        Michal Marek <michal.lkml@markovi.net>,
        Andrew Morton <akpm@linux-foundation.org>,
        Vipin Sharma <vipinsh@google.com>,
        Chris Down <chris@chrisdown.name>,
        Rasmus Villemoes <linux@rasmusvillemoes.dk>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Vlastimil Babka <vbabka@suse.cz>,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Tue, Sep 7, 2021 at 3:14 PM Marco Elver <elver@google.com> wrote:
>
>
>  config WERROR
>         bool "Compile the kernel with warnings as errors"
> -       default y
> +       default COMPILE_TEST

That seems reasonable. It very much is about build-testing.

              Linus