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From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: Laura Abbott <labbott@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-arch <linux-arch@vger.kernel.org>,
	Christophe Leroy <christophe.leroy@c-s.fr>,
	linux-s390 <linux-s390@vger.kernel.org>,
	Arnd Bergmann <arnd@arndb.de>,
	Mathieu Malaterre <malat@debian.org>, X86 ML <x86@kernel.org>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	linux-mips@vger.kernel.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@redhat.com>,
	linux-mtd <linux-mtd@lists.infradead.org>,
	linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [RESEND PATCH v3 04/11] s390/cpacf: mark scpacf_query() as __always_inline
Date: Fri, 17 May 2019 13:23:55 +0900
Message-ID: <CAK7LNAST5y9Khg0BBz6W0mekPpuLPwWa9nPvvVENidWhHZ-avw@mail.gmail.com> (raw)
In-Reply-To: <aa73f81d-5d5a-a1d2-5239-3e8eb1278ec4@redhat.com>

On Fri, May 17, 2019 at 8:01 AM Laura Abbott <labbott@redhat.com> wrote:
>
> On 4/22/19 8:49 PM, Masahiro Yamada wrote:
> > This prepares to move CONFIG_OPTIMIZE_INLINING from x86 to a common
> > place. We need to eliminate potential issues beforehand.
> >
> > If it is enabled for s390, the following error is reported:
> >
> > In file included from arch/s390/crypto/des_s390.c:19:
> > ./arch/s390/include/asm/cpacf.h: In function 'cpacf_query':
> > ./arch/s390/include/asm/cpacf.h:170:2: warning: asm operand 3 probably doesn't match constraints
> >    asm volatile(
> >    ^~~
> > ./arch/s390/include/asm/cpacf.h:170:2: error: impossible constraint in 'asm'
> >
>
> This also seems to still be broken, again with gcc 9.1.1
>
> BUILDSTDERR: In file included from arch/s390/crypto/prng.c:29:
> BUILDSTDERR: ./arch/s390/include/asm/cpacf.h: In function 'cpacf_query_func':
> BUILDSTDERR: ./arch/s390/include/asm/cpacf.h:170:2: warning: asm operand 3 probably doesn't match constraints
> BUILDSTDERR:   170 |  asm volatile(
> BUILDSTDERR:       |  ^~~
> BUILDSTDERR: ./arch/s390/include/asm/cpacf.h:170:2: error: impossible constraint in 'asm'
>
> I realized we're still carrying a patch to add -fno-section-anchors
> but it's a similar failure to powerpc.


Christophe had already pointed out potential issues for "i" constraint,
and I have fixups in hand:

See
https://lkml.org/lkml/2019/5/3/459


My plan was to send it after all of my base patches
were merged.

This s390 cparf.h is included in the TODO list.

Will fix soon.

Thanks.

-- 
Best Regards
Masahiro Yamada

  parent reply index

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-23  3:49 [RESEND PATCH v3 00/11] compiler: allow all arches to enable CONFIG_OPTIMIZE_INLINING Masahiro Yamada
2019-04-23  3:49 ` [RESEND PATCH v3 01/11] ARM: prevent tracing IPI_CPU_BACKTRACE Masahiro Yamada
2019-04-23  3:49 ` [RESEND PATCH v3 02/11] arm64: mark (__)cpus_have_const_cap as __always_inline Masahiro Yamada
2019-04-23 11:31   ` Mark Rutland
2019-04-23  3:49 ` [RESEND PATCH v3 03/11] MIPS: mark mult_sh_align_mod() " Masahiro Yamada
2019-04-23  3:49 ` [RESEND PATCH v3 04/11] s390/cpacf: mark scpacf_query() " Masahiro Yamada
     [not found]   ` <aa73f81d-5d5a-a1d2-5239-3e8eb1278ec4@redhat.com>
2019-05-17  4:23     ` Masahiro Yamada [this message]
2019-04-23  3:49 ` [RESEND PATCH v3 05/11] mtd: rawnand: vf610_nfc: add initializer to avoid -Wmaybe-uninitialized Masahiro Yamada
2019-05-02 14:13   ` Miquel Raynal
2019-05-03 10:36     ` Masahiro Yamada
2019-05-03 11:11       ` Miquel Raynal
2019-04-23  3:49 ` [RESEND PATCH v3 06/11] MIPS: mark __fls() and __ffs() as __always_inline Masahiro Yamada
2019-04-23  3:49 ` [RESEND PATCH v3 07/11] ARM: mark setup_machine_tags() stub as __init __noreturn Masahiro Yamada
2019-04-23  3:49 ` [RESEND PATCH v3 08/11] powerpc/prom_init: mark prom_getprop() and prom_getproplen() as __init Masahiro Yamada
2019-04-23  3:49 ` [RESEND PATCH v3 09/11] powerpc/mm/radix: mark __radix__flush_tlb_range_psize() as __always_inline Masahiro Yamada
2019-04-29 15:35   ` Christophe Leroy
2019-05-03 13:40     ` Masahiro Yamada
2019-04-23  3:49 ` [RESEND PATCH v3 10/11] powerpc/mm/radix: mark as __tlbie_pid() and friends as__always_inline Masahiro Yamada
     [not found]   ` <ca74c830-fe1b-7bff-8dfd-353fca57b647@redhat.com>
2019-05-17  4:18     ` Masahiro Yamada
2019-04-23  3:49 ` [RESEND PATCH v3 11/11] compiler: allow all arches to enable CONFIG_OPTIMIZE_INLINING Masahiro Yamada

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