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[108.223.40.66]) by smtp.gmail.com with ESMTPSA id t184-v6sm3587730pfd.14.2018.10.13.17.02.06 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 13 Oct 2018 17:02:07 -0700 (PDT) Date: Sat, 13 Oct 2018 17:02:05 -0700 From: Guenter Roeck To: Alan Kao Cc: Palmer Dabbelt , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Christoph Hellwig , Greentime Hu , Vincent Chen , Zong Li , Nick Hu Subject: Re: [PATCH v8 3/5] Cleanup ISA string setting Message-ID: <20181014000205.GA22333@roeck-us.net> References: <1539051514-3658-1-git-send-email-alankao@andestech.com> <1539051514-3658-4-git-send-email-alankao@andestech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1539051514-3658-4-git-send-email-alankao@andestech.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Tue, Oct 09, 2018 at 10:18:32AM +0800, Alan Kao wrote: > This patch cleanup the MARCH string passing to both compiler and > assembler. Note that the CFLAGS should not contain "fd" before we > have mechnisms like kernel_fpu_begin/end in other architectures. > > Signed-off-by: Alan Kao > Cc: Greentime Hu > Cc: Vincent Chen > Cc: Zong Li > Cc: Nick Hu > --- With this patch in -next applied, I get the following error when building riscv:defconfig. cc1: error: -march=c: ISA string must begin with rv32 or rv64 cc1: error: ABI requires -march=rv64 Kbuild:21: recipe for target 'kernel/bounds.s' failed This is seen with both gcc 7.3.0 and gcc 8.2.0. Bisect log is attached. What am I missing ? Does RISC-V now require a new non-upstream compiler ? Or a special version of make ? I am currently using GNU Make 4.1. Thanks, Guenter --- # bad: [774ea0551a2966c8fc29a6f675c3e28c5c6fa586] Add linux-next specific files for 20181012 # good: [0238df646e6224016a45505d2c111a24669ebe21] Linux 4.19-rc7 git bisect start 'HEAD' 'v4.19-rc7' # bad: [dfbf78faefa3c26d94208398e62bf25ea798e7f2] Merge remote-tracking branch 'spi-nor/spi-nor/next' git bisect bad dfbf78faefa3c26d94208398e62bf25ea798e7f2 # bad: [530d65b38df62760ce7f778907cc3fce6f5519b7] Merge remote-tracking branch 'hid/for-next' git bisect bad 530d65b38df62760ce7f778907cc3fce6f5519b7 # good: [4967343a2e8ae0ee767471053f8b55e529b7be7e] Merge remote-tracking branch 'arm-soc/for-next' git bisect good 4967343a2e8ae0ee767471053f8b55e529b7be7e # bad: [e8af1ded2dc3e3cb4e8c414809b2303f5b91abe0] Merge remote-tracking branch 'befs/for-next' git bisect bad e8af1ded2dc3e3cb4e8c414809b2303f5b91abe0 # good: [1ccf1a61dd05b37ddc41fb874109915efb56c53d] Merge remote-tracking branch 'clk-samsung/for-next' git bisect good 1ccf1a61dd05b37ddc41fb874109915efb56c53d # good: [43693e88f9764f7ff292e18cbb0d36ed9b26411e] Merge remote-tracking branch 'powerpc/next' git bisect good 43693e88f9764f7ff292e18cbb0d36ed9b26411e # good: [52a34b34d4ff9a61bc6da9740541d8f08a40438c] s390/crypto: Enhance paes cipher to accept variable length key material git bisect good 52a34b34d4ff9a61bc6da9740541d8f08a40438c # bad: [cc932c65d7892091735a553b89fdd21cc20cb85d] Merge remote-tracking branch 's390/features' git bisect bad cc932c65d7892091735a553b89fdd21cc20cb85d # bad: [bb0133e085b524a49829fd02be21f1edd3beaac1] automerging branch "kernel.org-palmer-linux/next-nofpu" into "for-next" git bisect bad bb0133e085b524a49829fd02be21f1edd3beaac1 # good: [c720a7ff190fc2015ae1449bcbf31216c4a9e973] automerging branch "kernel.org-palmer-linux/next-hch" into "for-next" git bisect good c720a7ff190fc2015ae1449bcbf31216c4a9e973 # bad: [27625655dbfd83205ba489183f45a87717cb867c] RISC-V: Auto-detect whether a FPU exists git bisect bad 27625655dbfd83205ba489183f45a87717cb867c # good: [5453696cb3f1e5b316511234e27570d2f7698b70] RISC-V: Refactor FPU code in signal setup/return procedures git bisect good 5453696cb3f1e5b316511234e27570d2f7698b70 # bad: [919ecff9aac4e7c8dae05d924385fb05c7c63854] RISC-V: Allow to disable FPU support git bisect bad 919ecff9aac4e7c8dae05d924385fb05c7c63854 # bad: [0a5bee05fc67ce2044b8d91a18abbf14042da531] RISC-V: Cleanup ISA string setting git bisect bad 0a5bee05fc67ce2044b8d91a18abbf14042da531 # first bad commit: [0a5bee05fc67ce2044b8d91a18abbf14042da531] RISC-V: Cleanup ISA string setting