Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Wed, 31 Jul 2019 23:10:36 -0700
User-Agent: K-9 Mail for Android
In-Reply-To: <CANiq72=s1nu9=R9ypFwL+J4NGT_yUkwahpgOOOXzezvNfDrx5g@mail.gmail.com>
References: <e0dd3af448e38e342c1ac6e7c0c802696eb77fd6.1564549413.git.joe@perches.com> <1d2830aadbe9d8151728a7df5b88528fc72a0095.1564549413.git.joe@perches.com> <20190731171429.GA24222@amd> <ccc7fa72d0f83ddd62067092b105bd801479004b.camel@perches.com> <765E740C-4259-4835-A58D-432006628BAC@zytor.com> <20190731184832.GZ31381@hirez.programming.kicks-ass.net> <F1AB2846-CA91-41ED-B8E7-3799895DCF06@zytor.com> <CANiq72=s1nu9=R9ypFwL+J4NGT_yUkwahpgOOOXzezvNfDrx5g@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain;
 charset=utf-8
Content-Transfer-Encoding: quoted-printable
Subject: Re: [RFC PATCH] compiler_attributes.h: Add 'fallthrough' pseudo keyword for switch/case use
To:     Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
CC:     Peter Zijlstra <peterz@infradead.org>,
        Joe Perches <joe@perches.com>, Pavel Machek <pavel@ucw.cz>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Kees Cook <keescook@chromium.org>,
        Borislav Petkov <bp@alien8.de>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>,
        "Gustavo A . R . Silva" <gustavo@embeddedor.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Kan Liang <kan.liang@linux.intel.com>,
        Namhyung Kim <namhyung@kernel.org>,
        Jiri Olsa <jolsa@redhat.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Shawn Landden <shawn@git.icu>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@kernel.org>,
        linux-kernel <linux-kernel@vger.kernel.org>
From:   hpa@zytor.com
Message-ID: <F2529DE6-B500-44DC-AE72-45A304AD719B@zytor.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On July 31, 2019 4:55:47 PM PDT, Miguel Ojeda <miguel=2Eojeda=2Esandonis@gm=
ail=2Ecom> wrote:
>On Wed, Jul 31, 2019 at 11:01 PM <hpa@zytor=2Ecom> wrote:
>>
>> The standard is moving toward adding this as an attribute with the
>[[fallthrough]] syntax; it is in C++17, not sure when it will be in C
>be if it isn't already=2E
>
>Not yet, but it seems to be coming:
>
>  http://www=2Eopen-std=2Eorg/jtc1/sc22/wg14/www/docs/n2268=2Epdf
>
>However, even if C2x gets it, it will be quite a while until the GCC
>minimum version gets bumped up to that, so=2E=2E=2E
>
>Cheers,
>Miguel

The point was that we should plan ahead in whatever we end up doing=2E
--=20
Sent from my Android device with K-9 Mail=2E Please excuse my brevity=2E