CC: linux-kernel(a)vger.kernel.org TO: Vincent Chen <vincent.chen(a)sifive.com&gt; CC: Palmer Dabbelt <palmerdabbelt(a)google.com&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c06a2ba62fc401b7aaefd23f5d0bc06d2457ccc1 commit: 800149a77c2cb8746a94457939b1ba1e37d2c14e riscv: sifive: Apply errata "cip-453" patch date: 2 weeks ago config: riscv-randconfig-r033-20210513 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project a0fed635fe1701470062495a6ffee1c608f3f1bc) 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... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 800149a77c2cb8746a94457939b1ba1e37d2c14e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): arch/riscv/errata/sifive/errata_cip_453.S: Assembler messages: arch/riscv/errata/sifive/errata_cip_453.S:25: Error: Improper shift amount (39) arch/riscv/errata/sifive/errata_cip_453.S:35: Error: Improper shift amount (38) arch/riscv/errata/sifive/errata_cip_453.S:35: Error: Improper shift amount (39) vim +25 arch/riscv/errata/sifive/errata_cip_453.S 23 24 ENTRY(sifive_cip_453_page_fault_trp) 26 #ifdef CONFIG_MMU 27 la t0, do_page_fault 28 #else 29 la t0, do_trap_unknown 30 #endif 31 jr t0 32 END(sifive_cip_453_page_fault_trp) 33 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org