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From:   Masahiro Yamada <yamada.masahiro@socionext.com>
Date:   Fri, 19 Apr 2019 12:28:20 +0900
Message-ID: <CAK7LNAQe2uaVfKee1F6R4siVvUSCMgSaYAnUQfz8MS5PeFqpGA@mail.gmail.com>
Subject: Re: [PATCH] kdb: Get rid of broken attempt to print CCVERSION in kdb summary
To:     Joe Perches <joe@perches.com>
Cc:     Douglas Anderson <dianders@chromium.org>,
        Daniel Thompson <daniel.thompson@linaro.org>,
        Jason Wessel <jason.wessel@windriver.com>,
        Christophe Leroy <christophe.leroy@c-s.fr>,
        "Peter Zijlstra (Intel)" <peterz@infradead.org>,
        Kees Cook <keescook@chromium.org>,
        kgdb-bugreport@lists.sourceforge.net,
        Johannes Weiner <hannes@cmpxchg.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        "Gustavo A. R. Silva" <gustavo@embeddedor.com>,
        Nicholas Mc Guire <hofrat@osadl.org>,
        Andrew Morton <akpm@linux-foundation.org>
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Hi Joe,

Can you detect redundant Cc: by checkpatch?

Please see below in details.
Thanks.


On Fri, Apr 19, 2019 at 8:07 AM Andrew Morton <akpm@linux-foundation.org> wrote:
>
> On Wed, 17 Apr 2019 15:37:49 +0900 Masahiro Yamada <yamada.masahiro@socionext.com> wrote:
>
> > > It's pretty benign: Doug will still only get a single email.
> > >
> > >
> > > checkpatch checks for duplicates cc's but I think it assumes that
> > > things like
> > >
> > > Reported-by: fred
> > > Tested-by: fred
> > >
> > > were intentional.
> > >
> > > It would perhaps be better for checkpatch to special-case the "Cc:
> > > fred" tag and report a duplicated Cc: if fred was also mentioned in any
> > > other tag.
> >
> > Sorry, I do not understand what you mean.
> >
> >
> > Douglas did not add any Cc: tag at all
> > in his original patch:
> > https://lore.kernel.org/patchwork/patch/1053953/
> >
> >
> > It's you who added the Cc: tags
> > (and I am guessing you did it by scripting.)
> >
> > Why is this topic related to checkpatch?
>
> Because I regularly check all patches with checkpatch but checkpatch
> failed to detect that I had
>
> Signed-off-by: Douglas Anderson <dianders@chromium.org>
> ...
> Cc: Douglas Anderson <dianders@chromium.org>
>
> and I believe that checkpatch could and should have warned about this
> situation.
>


-- 
Best Regards
Masahiro Yamada