linux-hardening - Re: [PATCH] kbuild: Enable -Wimplicit-fallthrough for clang 14.0.0+

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Message-ID: <20210818121218.GC4177@sirena.org.uk>
Date:   Wed, 18 Aug 2021 13:12:18 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Nathan Chancellor <nathan@...nel.org>
Cc:     Kees Cook <keescook@...omium.org>,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Philip Li <philip.li@...el.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH] kbuild: Enable -Wimplicit-fallthrough for clang 14.0.0+

On Tue, Aug 17, 2021 at 04:23:41PM -0700, Nathan Chancellor wrote:

> I do not know of any other CI aside from ours that is testing with tip of
> tree clang and ours should already have a clang that includes my patch since
> it comes from apt.llvm.org.

FWIW we have some testing internally at Arm but that's building from
source so it's not an issue for us.

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