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Thu, 16 May 2019 21:24:32 -0700 (PDT) X-Gm-Message-State: APjAAAVrQa16sujJSWSLfr0pzONVmh+ZwZg5tymfva0UR41fsULkJgIV 8n3omE5X02TvnNH1Sia1+dqjx7GXCohV8dDjYlk= X-Google-Smtp-Source: APXvYqwRom2nfToM4jL1gKybhnXBZPLM/8GRypEcR2drcSxkNBd5y+Id9rfE+eiIpAnAfm5gkg5AbPeOHdYPagE+d9M= X-Received: by 2002:a67:ad0f:: with SMTP id t15mr7896301vsl.179.1558067071748; Thu, 16 May 2019 21:24:31 -0700 (PDT) MIME-Version: 1.0 References: <20190423034959.13525-1-yamada.masahiro@socionext.com> <20190423034959.13525-5-yamada.masahiro@socionext.com> In-Reply-To: From: Masahiro Yamada Date: Fri, 17 May 2019 13:23:55 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [RESEND PATCH v3 04/11] s390/cpacf: mark scpacf_query() as __always_inline To: Laura Abbott X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190516_212454_337277_8B6914E1 X-CRM114-Status: GOOD ( 11.55 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch , Christophe Leroy , Arnd Bergmann , linux-s390 , Mathieu Malaterre , X86 ML , Heiko Carstens , linux-mips@vger.kernel.org, Linux Kernel Mailing List , Ingo Molnar , linux-mtd , Andrew Morton , linuxppc-dev , linux-arm-kernel Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Fri, May 17, 2019 at 8:01 AM Laura Abbott 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 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/