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Message-ID: <686abdd5-863a-02ce-5ac9-f573208b8315@c-s.fr> Date: Tue, 26 Mar 2019 07:02:54 +0100 From: Christophe Leroy <christophe.leroy@....fr> To: Masahiro Yamada <yamada.masahiro@...ionext.com> Cc: Arnd Bergmann <arnd@...db.de>, linux-arch <linux-arch@...r.kernel.org>, linux-s390 <linux-s390@...r.kernel.org>, Dave Hansen <dave@...1.net>, the arch/x86 maintainers <x86@...nel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, linux-mips@...r.kernel.org, Paul Burton <paul.burton@...s.com>, Ingo Molnar <mingo@...hat.com>, linux-mtd <linux-mtd@...ts.infradead.org>, Andrew Morton <akpm@...ux-foundation.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 Hi Masahiro, Le 25/03/2019 à 07:44, Masahiro Yamada a écrit : > Hi Christophe, > > > On Sat, Mar 23, 2019 at 5:27 PM LEROY Christophe > <christophe.leroy@....fr> wrote: >> >> Arnd Bergmann <arnd@...db.de> a écrit : >> >>> 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 >> >> 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/203d912edf8dde291977c71aa64024065e197f79/ 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' Christophe
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