linux-kernel - Re: [PATCH] mtd: mtd-abi: Don't use C++ comments

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Date:   Thu, 20 Jun 2019 13:15:49 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        linux-mtd@...ts.infradead.org, LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH] mtd: mtd-abi: Don't use C++ comments

On Thu, Jun 20, 2019 at 12:56:58PM -0700, Nick Desaulniers wrote:
> On Thu, Jun 20, 2019 at 8:55 AM Nathan Chancellor
> <natechancellor@...il.com> wrote:
> >
> > When compiled standalone after commit b91976b7c0e3 ("kbuild:
> > compile-test UAPI headers to ensure they are self-contained"),
> > a warning about the C++ comments appears:
> >
> >   In file included from usr/include/mtd/mtd-user.hdrtest.c:1:
> >   In file included from ./usr/include/mtd/mtd-user.h:25:
> >   ./usr/include/mtd/mtd-abi.h:116:28: warning: // comments are not
> >   allowed in this language [-Wcomment]
> >   #define MTD_NANDECC_OFF         0       // Switch off ECC (Not recommended)
> >                                           ^
> >   1 warning generated.
> >
> > Replace them with standard C comments so this warning no longer occurs.
> 
> Should there be a fixes by tag?
> -- 
> Thanks,
> ~Nick Desaulniers

Normally, I would have added one but this issue has been present since
the beginning of git history. According to Thomas Gleixner's pre-git
history tree, it would be:

Fixes: 7df80b4c8964 ("MTD core include and device code cleanup")

but since that hash doesn't exist in the normal git history, I don't
think it is worth adding. Of course, if the maintainers want to add it,
I won't object.

[1]: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git

Cheers,
NAthan