Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
MIME-Version: 1.0
References: <1553062828-27798-1-git-send-email-yamada.masahiro@socionext.com>
 <CAK8P3a3BG_mxYxxCx4S_+ZKAer_+5FpmkzLk0VrACZekuD=2GQ@mail.gmail.com>
 <CAK8P3a0GEYTbw5XCwzVeZe_-pGF=7e=1kXhH3U+fidnMZeP0CA@mail.gmail.com> <CAK7LNAQvvCVsQtd9ZYkechOSCg4HAeZFaNXCgaBbWWxBYXOgaQ@mail.gmail.com>
In-Reply-To: <CAK7LNAQvvCVsQtd9ZYkechOSCg4HAeZFaNXCgaBbWWxBYXOgaQ@mail.gmail.com>
From:   Masahiro Yamada <yamada.masahiro@socionext.com>
Date:   Mon, 25 Mar 2019 15:12:37 +0900
Message-ID: <CAK7LNASzZVKivBjEa-93Ary=x98WeqMddqTWsqe4U-GXyuHTWQ@mail.gmail.com>
Subject: Re: [PATCH] compiler: allow all arches to enable CONFIG_OPTIMIZE_INLINING
To:     Arnd Bergmann <arnd@arndb.de>
Cc:     linux-arch <linux-arch@vger.kernel.org>,
        linux-s390 <linux-s390@vger.kernel.org>,
        Dave Hansen <dave@sr71.net>,
        Michael Ellerman <mpe@ellerman.id.au>,
        "the arch/x86 maintainers" <x86@kernel.org>,
        linux-mips@vger.kernel.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Paul Burton <paul.burton@mips.com>,
        Ingo Molnar <mingo@redhat.com>,
        linux-mtd <linux-mtd@lists.infradead.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Mon, Mar 25, 2019 at 3:10 PM Masahiro Yamada
<yamada.masahiro@socionext.com> wrote:
>
> Hi Arnd,
>
>
>
>
> On Wed, Mar 20, 2019 at 10:34 PM Arnd Bergmann <arnd@arndb.de> wrote:
> >
> > On Wed, Mar 20, 2019 at 10:41 AM Arnd Bergmann <arnd@arndb.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
> >
> > diff --git a/arch/arm/kernel/atags.h b/arch/arm/kernel/atags.h
> > index 201100226301..84b12e33104d 100644
> > --- a/arch/arm/kernel/atags.h
> > +++ b/arch/arm/kernel/atags.h
> > @@ -5,7 +5,7 @@ void convert_to_tag_list(struct tag *tags);
> >  const struct machine_desc *setup_machine_tags(phys_addr_t __atags_pointer,
> >         unsigned int machine_nr);
> >  #else
> > -static inline const struct machine_desc *
> > +static __always_inline const struct machine_desc *
> >  setup_machine_tags(phys_addr_t __atags_pointer, unsigned int machine_nr)
> >  {
> >         early_print("no ATAGS support: can't continue\n");
> >
>
>
> I do not know why to reproduce it,

"how to"


> but is "__init __noreturn" more sensible than
> "__always_inline" here?
>
>
> --
> Best Regards
> Masahiro Yamada


-- 
Best Regards
Masahiro Yamada