linux-kernel - Re: [PATCH] kbuild: Do not enable -Wimplicit-fallthrough for clang for now

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Message-ID: <CAKwvOdkuDPfOusJRneeTzg7tZ4VKxaRCNg2SgmjVas58cDwe8w@mail.gmail.com>
Date:   Wed, 28 Aug 2019 10:39:19 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        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>,
        Nathan Huckleberry <nhuck@...gle.com>,
        Joe Perches <joe@...ches.com>
Subject: Re: [PATCH] kbuild: Do not enable -Wimplicit-fallthrough for clang
 for now

On Wed, Aug 28, 2019 at 9:45 AM Miguel Ojeda
<miguel.ojeda.sandonis@...il.com> wrote:
>
> On Wed, Aug 28, 2019 at 6:21 PM Masahiro Yamada
> <yamada.masahiro@...ionext.com> wrote:
> >
> > Applied to linux-kbuild. Thanks.
> >
> > (If other clang folks give tags, I will add them later.)
>
> Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>

I verified that GCC didn't get support for -Wimplicit-fallthrough
until GCC ~7.1 release, so the cc-option guard is still required.
Acked-by: Nick Desaulniers <ndesaulniers@...gle.com>
Thanks for the patch Nathan.
-- 
Thanks,
~Nick Desaulniers