Re: [PATCH 1/2] Compiler Attributes: add support for __fallthrough (gcc >= 7.1)

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To: Kees Cook <keescook@xxxxxxxxxxxx>
Subject: Re: [PATCH 1/2] Compiler Attributes: add support for __fallthrough (gcc >= 7.1)
From: Miguel Ojeda <miguel.ojeda.sandonis@xxxxxxxxx>
Date: Mon, 22 Oct 2018 11:43:13 +0200
Cc: "Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx>, "Ted Ts'o" <tytso@xxxxxxx>, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>, linux-kernel <linux-kernel@xxxxxxxxxxxxxxx>, Dan <dan.carpenter@xxxxxxxxxx>, Andreas Dilger <adilger.kernel@xxxxxxxxx>, Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>, Michal Marek <michal.lkml@xxxxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>, Olof Johansson <olof@xxxxxxxx>, Konstantin Ryabitsev <konstantin@xxxxxxxxxxxxxxxxxxx>, David Miller <davem@xxxxxxxxxxxxx>, Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Paul Lawrence <paullawrence@xxxxxxxxxx>, Sandipan Das <sandipan@xxxxxxxxxxxxxxxxxx>, Andrey Konovalov <andreyknvl@xxxxxxxxxx>, David Woodhouse <dwmw2@xxxxxxxxxxxxx>, Will Deacon <will.deacon@xxxxxxx>, Philippe Ombredanne <pombredanne@xxxxxxxx>, Paul Burton <paul.burton@xxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, Willy Tarreau <w@xxxxxx>, Martin Sebor <msebor@xxxxxxxxx>, Christopher Li <sparse@xxxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>, Joe Perches <joe@xxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Dominique Martinet <asmadeus@xxxxxxxxxxxxx>, Stefan Agner <stefan@xxxxxxxx>, Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>, Nick Desaulniers <ndesaulniers@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Linux Doc Mailing List <linux-doc@xxxxxxxxxxxxxxx>, Ext4 Developers List <linux-ext4@xxxxxxxxxxxxxxx>, linux-sparse@xxxxxxxxxxxxxxx, linux-kbuild@xxxxxxxxxxxxxxx
In-reply-to: <CANiq72n4+HDXPqr7xySSGx49g8vEcXaxO7a-By9cSg7YSxOS_A@mail.gmail.com>
References: <20181021171414.22674-1-miguel.ojeda.sandonis@gmail.com> <20181021171414.22674-2-miguel.ojeda.sandonis@gmail.com> <20181021222712.GI1617@thunk.org> <CANiq72mXV6WTyHXNZJDTfFOpPrXD0zD6cB30bGOuKO44AvRiog@mail.gmail.com> <CAGXu5jKb-0H+smRAW6ngQKDZ-PbTThhMwhmu34iB8vjTa-4H8Q@mail.gmail.com> <CANiq72n4+HDXPqr7xySSGx49g8vEcXaxO7a-By9cSg7YSxOS_A@mail.gmail.com>

On Mon, Oct 22, 2018 at 11:41 AM Miguel Ojeda
<miguel.ojeda.sandonis@xxxxxxxxx> wrote:
>
>   * clang does *not* support the attribute in C.

...nor the warning at all, by the way (which is why this is OK).

Cheers,
Miguel

Follow-Ups:
- Re: [PATCH 1/2] Compiler Attributes: add support for __fallthrough (gcc >= 7.1)
  - From: Nick Desaulniers

References:
- [PATCH 0/2] Compiler Attributes: __fallthrough
  - From: Miguel Ojeda
- [PATCH 1/2] Compiler Attributes: add support for __fallthrough (gcc >= 7.1)
  - From: Miguel Ojeda
- Re: [PATCH 1/2] Compiler Attributes: add support for __fallthrough (gcc >= 7.1)
  - From: Theodore Y. Ts'o
- Re: [PATCH 1/2] Compiler Attributes: add support for __fallthrough (gcc >= 7.1)
  - From: Miguel Ojeda
- Re: [PATCH 1/2] Compiler Attributes: add support for __fallthrough (gcc >= 7.1)
  - From: Kees Cook
- Re: [PATCH 1/2] Compiler Attributes: add support for __fallthrough (gcc >= 7.1)
  - From: Miguel Ojeda

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