linux-kernel - Re: [PATCH 1/2] Makefile.extrawarn: move -Wcast-align to W=3

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Message-ID: <CAK8P3a3xXtMjTQxhsSNxb5cE6xTpH_+XV-6RqS+cRRh3RoJ3Kw@mail.gmail.com>
Date:   Tue, 24 Nov 2020 16:42:15 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     Nathan Chancellor <natechancellor@...il.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Arnd Bergmann <arnd@...db.de>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH 1/2] Makefile.extrawarn: move -Wcast-align to W=3

On Mon, Nov 23, 2020 at 12:18 PM Masahiro Yamada <masahiroy@...nel.org> wrote:
>
> Applied to linux-kbuild. Thanks.
>
> But, I think people already tend to ignore W=2 warnings.

Yes, this is what I was trying to change with this series and a couple of other
patches I sent. When all the warnings from commonly included headers are
gone, W=2 actually becomes somewhat useful.

      Arnd