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Thu, 21 Jan 2021 23:08:03 -0800 (PST) Date: Fri, 22 Jan 2021 00:08:02 -0700 From: Nathan Chancellor To: kernel test robot Cc: Palmer Dabbelt , kbuild-all@lists.01.org, clang-built-linux@googlegroups.com, linux-kernel@vger.kernel.org Subject: Re: arch/riscv/kernel/vdso/vdso-syms.S:2: Error: junk at end of line, first unrecognized character is `@' Message-ID: <20210122070802.GA3498705@ubuntu-m3-large-x86> References: <202101220925.JILgZfQl-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202101220925.JILgZfQl-lkp@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 22, 2021 at 09:41:35AM +0800, kernel test robot wrote: > Hi Palmer, > > First bad commit (maybe != root cause): > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 9f29bd8b2e7132b409178d1367dae1813017bd0e > commit: c2c81bb2f69138f902e1a58d3bef6ad97fb8a92c RISC-V: Fix the VDSO symbol generaton for binutils-2.35+ > date: 3 months ago > config: riscv-randconfig-r002-20210122 (attached as .config) > compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project bd3a387ee76f58caa0d7901f3f84e9bb3d006f27) > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install riscv cross compiling tool for clang build > # apt-get install binutils-riscv64-linux-gnu > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c2c81bb2f69138f902e1a58d3bef6ad97fb8a92c > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout c2c81bb2f69138f902e1a58d3bef6ad97fb8a92c > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot > > All errors (new ones prefixed by >>): > > arch/riscv/kernel/vdso/vdso-syms.S: Assembler messages: > >> arch/riscv/kernel/vdso/vdso-syms.S:2: Error: junk at end of line, first unrecognized character is `@' > arch/riscv/kernel/vdso/vdso-syms.S:4: Error: junk at end of line, first unrecognized character is `@' > arch/riscv/kernel/vdso/vdso-syms.S:6: Error: junk at end of line, first unrecognized character is `@' > arch/riscv/kernel/vdso/vdso-syms.S:8: Error: junk at end of line, first unrecognized character is `@' > arch/riscv/kernel/vdso/vdso-syms.S:10: Error: junk at end of line, first unrecognized character is `@' > arch/riscv/kernel/vdso/vdso-syms.S:12: Error: junk at end of line, first unrecognized character is `@' > clang-12: error: assembler command failed with exit code 1 (use -v to see invocation) > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org I believe this is https://github.com/ClangBuiltLinux/linux/issues/1266. Cheers, Nathan