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From:   Masahiro Yamada <yamada.masahiro@socionext.com>
Date:   Tue, 20 Feb 2018 23:50:02 +0900
Message-ID: <CAK7LNAR6Pizog=NBVjYfF1owSntjOb4o7qV4WNv7d3j3LxongA@mail.gmail.com>
Subject: Re: [PATCH] disable sparse warnings about unknown attributes
To:     Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        Michal Marek <michal.lkml@markovi.net>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Josh Triplett <josh@joshtriplett.org>,
        Randy Dunlap <rdunlap@infradead.org>,
        linux-sparse@vger.kernel.org
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2018-02-16 6:07 GMT+09:00 Luc Van Oostenryck <luc.vanoostenryck@gmail.com>:
> Currently, sparse issues warnings on code using an attribute
> it doesn't know about.
>
> One of the problem with this is that these warnings have no
> value for the developer, it's just noise for him. At best these
> warnings tell something about some deficiencies of sparse itself
> but not about a potential problem with code analyzed.
>
> A second problem with this is that sparse release are, alas,
> less frequent than new attributes are added to GCC.
>
> So, avoid the noise by asking sparse to not warn about
> attributes it doesn't know about.
>
> Reference: https://marc.info/?l=linux-sparse&m=151871600016790
> Reference: https://marc.info/?l=linux-sparse&m=151871725417322
> Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
> ---
>  Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>

Applied to linux-kbuild/kbuild.

Thanks!


-- 
Best Regards
Masahiro Yamada