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From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Thu, 4 Jun 2020 00:58:19 +0300
Message-ID: <CAHp75VeQ+3rRAs+5Tmn=Tj_jkdKff=crwX9S3bPGLO6iVQ8Kqg@mail.gmail.com>
Subject: Re: [PATCH v7 1/4] bitops: Introduce the the for_each_set_clump macro
To:     Rikard Falkeborn <rikard.falkeborn@gmail.com>
Cc:     Emil Velikov <emil.l.velikov@gmail.com>,
        Syed Nayyar Waris <syednwaris@gmail.com>,
        Masahiro Yamada <yamada.masahiro@socionext.com>,
        Kees Cook <keescook@chromium.org>,
        Linus Walleij <linus.walleij@linaro.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        William Breathitt Gray <vilhelm.gray@gmail.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Linux-Arch <linux-arch@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Thu, Jun 4, 2020 at 12:53 AM Rikard Falkeborn
<rikard.falkeborn@gmail.com> wrote:
> On Wed, Jun 03, 2020 at 11:49:37AM +0300, Andy Shevchenko wrote:
> > On Tue, Jun 2, 2020 at 10:01 PM Rikard Falkeborn
> > <rikard.falkeborn@gmail.com> wrote:

...

> I'd be very surprised if compilers warned for explicit casts but  I'll
> send a proper patch soon to let the build robot try it.

I noticed that you should have received kbuild bot report about a
driver where it appears.

You patch broke all cases where (l) = 0 and (h) is type of unsigned
(not a const from compiler point of view).


-- 
With Best Regards,
Andy Shevchenko