linux-kernel - Re: [PATCH] compiler: allow all arches to enable CONFIG_OPTIMIZE

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Message-ID: <CAK8P3a3SRYAHSoNfLb7_25O8kP6faN=Bg--QNOzaL9=wVn=ycw@mail.gmail.com>
Date:   Mon, 25 Mar 2019 11:27:22 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        linux-s390 <linux-s390@...r.kernel.org>,
        Dave Hansen <dave@...1.net>,
        Michael Ellerman <mpe@...erman.id.au>,
        "the arch/x86 maintainers" <x86@...nel.org>,
        linux-mips@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Paul Burton <paul.burton@...s.com>,
        Ingo Molnar <mingo@...hat.com>,
        linux-mtd <linux-mtd@...ts.infradead.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] compiler: allow all arches to enable CONFIG_OPTIMIZE_INLINING

On Wed, Mar 20, 2019 at 2:34 PM Arnd Bergmann <arnd@...db.de> wrote:
>
> On Wed, Mar 20, 2019 at 10:41 AM Arnd Bergmann <arnd@...db.de> wrote:
> >
> > I've added your patch to my randconfig test setup and will let you
> > know if I see anything noticeable. I'm currently testing clang-arm32,
> > clang-arm64 and gcc-x86.
>
> This is the only additional bug that has come up so far:
>
> `.exit.text' referenced in section `.alt.smp.init' of
> drivers/char/ipmi/ipmi_msghandler.o: defined in discarded section
> `exit.text' of drivers/char/ipmi/ipmi_msghandler.o

FWIW, the message up there does not match the patch anyway,
that was an unrelated bug.

     Arnd