linux-ext4 - Re: [PATCH 0/2] Compiler Attributes: _

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Message-ID: <CAKwvOdn9hOcF01eOmwfnrH_ciFZ4fPaspSzMPiY68o3B0En-VQ@mail.gmail.com>
Date:   Mon, 22 Oct 2018 09:54:27 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        LKML <linux-kernel@...r.kernel.org>, dan.carpenter@...cle.com,
        adilger.kernel@...ger.ca,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>, rostedt@...dmis.org,
        mchehab+samsung@...nel.org, olof@...m.net,
        Konstantin Ryabitsev <konstantin@...uxfoundation.org>,
        "David S. Miller" <davem@...emloft.net>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Kees Cook <keescook@...omium.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        Paul Lawrence <paullawrence@...gle.com>,
        sandipan@...ux.vnet.ibm.com,
        Andrey Konovalov <andreyknvl@...gle.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Will Deacon <will.deacon@....com>,
        Philippe Ombredanne <pombredanne@...b.com>,
        paul.burton@...s.com, David Rientjes <rientjes@...gle.com>,
        Willy Tarreau <w@....eu>, msebor@...il.com, sparse@...isli.org,
        Jonathan Corbet <corbet@....net>,
        "Theodore Ts'o" <tytso@....edu>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>, joe@...ches.com,
        Arnd Bergmann <arnd@...db.de>, asmadeus@...ewreck.org,
        Stefan Agner <stefan@...er.ch>,
        Luc Van Oostenryck <luc.vanoostenryck@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-doc@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-sparse@...r.kernel.org,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Subject: Re: [PATCH 0/2] Compiler Attributes: __fallthrough

On Mon, Oct 22, 2018 at 2:48 AM Miguel Ojeda
<miguel.ojeda.sandonis@...il.com> wrote:
>
> On Sun, Oct 21, 2018 at 8:29 PM Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
> >
> > Will this work with all of the static tools that are currently looking
> > for the comment instead?  I know coverity handles that, what about
> > others?
>
> I will also contact the different tools about this.

Let's contact the authors of these tools if they don't parse the
attribute.  I prefer to have the attributes rather than specifically
formatted comments.

I do think this may be tricky to provide backwards support for though;
Miguel, do you have info on which versions of GCC support comments vs
attribute?
-- 
Thanks,
~Nick Desaulniers