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From: Masahiro Yamada <yamada.masahiro@socionext.com>
Date: Tue, 23 Apr 2019 12:26:03 +0900
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Subject: Re: [PATCH] compiler: allow all arches to enable
 CONFIG_OPTIMIZE_INLINING
To: Christophe Leroy <christophe.leroy@c-s.fr>
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 <linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org>

Hi Christophe,

On Tue, Mar 26, 2019 at 3:03 PM Christophe Leroy
<christophe.leroy@c-s.fr> wrote:
>
> Hi Masahiro,
>
> Le 25/03/2019 =C3=A0 07:44, Masahiro Yamada a =C3=A9crit :
> > Hi Christophe,
> >
> >
> > On Sat, Mar 23, 2019 at 5:27 PM LEROY Christophe
> > <christophe.leroy@c-s.fr> wrote:
> >>
> >> Arnd Bergmann <arnd@arndb.de> a =C3=A9crit :
> >>
> >>> 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
> >>
> >> Wouldn't it be useful to activate -Winline gcc warning to ease finding
> >> out problematic usage of inline keyword ?
> >
> >
> > Yes, it is useful to find out
> > which function is causing the error.
> > Thanks for the tip.
> >
>
> I did a mass build on kisskb. Almost ok, see results at
> http://kisskb.ellerman.id.au/kisskb/head/203d912edf8dde291977c71aa6402406=
5e197f79/
>
> ps3_defconfig with GCC 5 fails
> (http://kisskb.ellerman.id.au/kisskb/buildresult/13742711/) with:
>
> arch/powerpc/mm/tlb-radix.c:148:2: error: asm operand 3 probably doesn't
> match constraints [-Werror]
> arch/powerpc/mm/tlb-radix.c:148:2: error: impossible constraint in 'asm'
> arch/powerpc/mm/tlb-radix.c:118:2: error: asm operand 3 probably doesn't
> match constraints [-Werror]
> arch/powerpc/mm/tlb-radix.c:104:2: error: asm operand 3 probably doesn't
> match constraints [-Werror]
>
> ps3_defconfig with GCC 4.6 fails
> (http://kisskb.ellerman.id.au/kisskb/buildresult/13742591/) with:
>
> arch/powerpc/mm/tlb-radix.c:148:2: error: asm operand 3 probably doesn't
> match constraints [-Werror]
> arch/powerpc/mm/tlb-radix.c:118:2: error: asm operand 3 probably doesn't
> match constraints [-Werror]
> arch/powerpc/mm/tlb-radix.c:104:2: error: asm operand 3 probably doesn't
> match constraints [-Werror]
>
> randconfig with GCC 4.6 fails
> (http://kisskb.ellerman.id.au/kisskb/buildresult/13742698/) with:
>
> arch/powerpc/mm/tlb-radix.c:104:2: error: impossible constraint in 'asm'


Thanks.

I fixed these ppc errors,
and separate out arch-fixes.

Now, the latest version is v3.


--=20
Best Regards
Masahiro Yamada