Hi Charlie, kernel test robot noticed the following build warnings: [auto build test WARNING on 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4] url: https://github.com/intel-lab-lkp/linux/commits/Charlie-Jenkins/RISC-V-Expand-instruction-definitions/20230804-101437 base: 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 patch link: https://lore.kernel.org/r/20230803-master-refactor-instructions-v4-v1-10-2128e61fa4ff%40rivosinc.com patch subject: [PATCH 10/10] RISC-V: Refactor bug and traps instructions config: riscv-allyesconfig (https://download.01.org/0day-ci/archive/20230804/202308041213.o49SRQWZ-lkp@xxxxxxxxx/config) compiler: riscv64-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230804/202308041213.o49SRQWZ-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308041213.o49SRQWZ-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> arch/riscv/kernel/elf_kexec.c:326: warning: "RV_X" redefined 326 | #define RV_X(x, s, n) (((x) >> (s)) & ((1 << (n)) - 1)) | In file included from arch/riscv/include/asm/bug.h:14, from include/linux/bug.h:5, from include/linux/thread_info.h:13, from include/asm-generic/preempt.h:5, from ./arch/riscv/include/generated/asm/preempt.h:1, from include/linux/preempt.h:79, from include/linux/spinlock.h:56, from include/linux/ipc.h:5, from include/uapi/linux/sem.h:5, from include/linux/sem.h:5, from include/linux/compat.h:14, from arch/riscv/include/asm/elf.h:12, from include/linux/elf.h:6, from arch/riscv/kernel/elf_kexec.c:15: arch/riscv/include/asm/insn.h:1915: note: this is the location of the previous definition 1915 | #define RV_X(X, s, mask) (((X) >> (s)) & (mask)) | vim +/RV_X +326 arch/riscv/kernel/elf_kexec.c 6261586e0c91db1 Liao Chang 2022-04-08 325 838b3e28488f702 Li Zhengyu 2022-04-08 @326 #define RV_X(x, s, n) (((x) >> (s)) & ((1 << (n)) - 1)) 838b3e28488f702 Li Zhengyu 2022-04-08 327 #define RISCV_IMM_BITS 12 838b3e28488f702 Li Zhengyu 2022-04-08 328 #define RISCV_IMM_REACH (1LL << RISCV_IMM_BITS) 838b3e28488f702 Li Zhengyu 2022-04-08 329 #define RISCV_CONST_HIGH_PART(x) \ 838b3e28488f702 Li Zhengyu 2022-04-08 330 (((x) + (RISCV_IMM_REACH >> 1)) & ~(RISCV_IMM_REACH - 1)) 838b3e28488f702 Li Zhengyu 2022-04-08 331 #define RISCV_CONST_LOW_PART(x) ((x) - RISCV_CONST_HIGH_PART(x)) 838b3e28488f702 Li Zhengyu 2022-04-08 332 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki