Hi Wen, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v6.1-rc2 next-20221026] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Wen-Yao/riscv-Rewrite-percpu-operations-and-support-cmpxchg-local-feature/20221026-184310 patch link: https://lore.kernel.org/r/20221026104015.565468-2-haiwenyao%40uniontech.com patch subject: [PATCH 1/2] riscv: percpu:Add riscv percpu operations config: riscv-rv32_defconfig compiler: riscv32-linux-gcc (GCC) 12.1.0 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 # https://github.com/intel-lab-lkp/linux/commit/bb33e199935b65336d45c367d7581682dff63cdb git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Wen-Yao/riscv-Rewrite-percpu-operations-and-support-cmpxchg-local-feature/20221026-184310 git checkout bb33e199935b65336d45c367d7581682dff63cdb # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): arch/riscv/include/asm/percpu.h: Assembler messages: >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a1,a2,0(a3)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a2,a3,0(a5)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a1,a2,0(a3)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a2,a3,0(a5)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a1,a2,0(a3)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a2,a3,0(a5)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a1,a2,0(a3)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a2,a3,0(a5)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a0,a3,0(a4)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a3,a4,0(a5)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a0,a2,0(a3)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a0,a3,0(a5)' -- arch/riscv/include/asm/percpu.h: Assembler messages: >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a1,a2,0(a3)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a2,a3,0(a5)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a1,a2,0(a3)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a2,a3,0(a5)' -- arch/riscv/include/asm/percpu.h: Assembler messages: >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a1,a2,0(a3)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a2,a3,0(a5)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a1,a2,0(a3)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a2,a3,0(a5)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a1,a2,0(a3)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a2,a3,0(a5)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a1,a2,0(a3)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a2,a3,0(a5)' -- arch/riscv/include/asm/percpu.h: Assembler messages: >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a1,a2,0(a5)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a2,a5,0(a3)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a1,a2,0(a5)' -- arch/riscv/include/asm/percpu.h: Assembler messages: >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a3,s6,0(a5)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a3,a0,0(a5)' -- arch/riscv/include/asm/percpu.h: Assembler messages: >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a3,s2,0(a5)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a3,s2,0(a5)' -- arch/riscv/include/asm/percpu.h: Assembler messages: >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a3,a1,0(a5)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a2,a4,0(a5)' -- arch/riscv/include/asm/percpu.h: Assembler messages: >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a3,a1,0(a5)' >> arch/riscv/include/asm/percpu.h:38: Error: unrecognized opcode `amoadd.d a2,a3,0(a5)' vim +38 arch/riscv/include/asm/percpu.h 9 10 #define PERCPU_OP(op, asm_op, c_op) \ 11 static inline unsigned long __percpu_##op(void *ptr, \ 12 unsigned long val, int size) \ 13 { \ 14 unsigned long ret; \ 15 switch (size) { \ 16 case 4: \ 17 __asm__ __volatile__( \ 18 "amo" #asm_op ".w" \ 19 " %[ret], %[val], %[ptr]\n" \ 20 : [ret] "=&r"(ret), [ptr] "+A"(*(u32 *)ptr) \ 21 : [val] "r"(val)); \ 22 break; \ 23 case 8: \ 24 __asm__ __volatile__( \ 25 "amo" #asm_op ".d" \ 26 " %[ret], %[val], %[ptr]\n" \ 27 : [ret] "=&r"(ret), [ptr] "+A"(*(u64 *)ptr) \ 28 : [val] "r"(val)); \ 29 break; \ 30 default: \ 31 ret = 0; \ 32 BUILD_BUG(); \ 33 } \ 34 \ 35 return ret c_op val; \ 36 } 37 > 38 PERCPU_OP(add, add, +) 39 PERCPU_OP(and, and, &) 40 PERCPU_OP(or, or, |) 41 #undef PERCPU_OP 42 -- 0-DAY CI Kernel Test Service https://01.org/lkp