netdev - Re: [PATCH 0/4] treewide: Add 'fallthrough' pseudo-keyword

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Date:   Fri, 11 Oct 2019 15:07:58 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Joe Perches <joe@...ches.com>, linux-sctp@...r.kernel.org,
        Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Pavel Machek <pavel@....cz>,
        "Gustavo A . R . Silva" <gustavo@...eddedor.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Shawn Landden <shawn@....icu>,
        the arch/x86 maintainers <x86@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Nathan Chancellor <natechancellor@...il.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Miller <davem@...emloft.net>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        Jonathan Corbet <corbet@....net>,
        Vlad Yasevich <vyasevich@...il.com>,
        Neil Horman <nhorman@...driver.com>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        Netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH 0/4] treewide: Add 'fallthrough' pseudo-keyword

On Fri, Oct 11, 2019 at 08:01:42PM +0200, Miguel Ojeda wrote:
> Hi Linus,
> 
> On Fri, Oct 11, 2019 at 6:30 PM Linus Torvalds
> <torvalds@...ux-foundation.org> wrote:
> >
> > On Sat, Oct 5, 2019 at 9:46 AM Joe Perches <joe@...ches.com> wrote:
> > >
> > > Add 'fallthrough' pseudo-keyword to enable the removal of comments
> > > like '/* fallthrough */'.
> >
> > I applied patches 1-3 to my tree just to make it easier for people to
> > start doing this. Maybe some people want to do the conversion on their
> > own subsystem rather than with a global script, but even if not, this
> > looks better as a "prepare for the future" series and I feel that if
> > we're doing the "fallthrough" thing eventually, the sooner we do the
> > prepwork the better.
> >
> > I'm a tiny bit worried that the actual conversion is just going to
> > cause lots of pain for the stable people, but I'll not worry about it
> > _too_ much. If the stable people decide that it's too painful for them
> > to deal with the comment vs keyword model, they may want to backport
> > these three patches too.
> 
> I was waiting for a v2 series to pick it up given we had some pending changes...

Hmpf, looks like it's in torvalds/master now. Miguel, most of the changes
were related to the commit log, IIRC, so that ship has sailed. :( Can the
stuff in Documentation/ be improved with a follow-up patch, perhaps?

-- 
Kees Cook