Hi Jesse, kernel test robot noticed the following build errors: [auto build test ERROR on 32d5f7add080a936e28ab4142bfeea6b06999789] url: https://github.com/intel-lab-lkp/linux/commits/Jesse-Taube/RISC-V-Check-scalar-unaligned-access-on-all-CPUs/20240820-052900 base: 32d5f7add080a936e28ab4142bfeea6b06999789 patch link: https://lore.kernel.org/r/20240819212605.1837175-5-jesse%40rivosinc.com patch subject: [PATCH v8 4/6] RISC-V: Detect unaligned vector accesses supported config: riscv-defconfig (https://download.01.org/0day-ci/archive/20240820/202408201720.u8SfprDk-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 26670e7fa4f032a019d23d56c6a02926e854e8af) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240820/202408201720.u8SfprDk-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/202408201720.u8SfprDk-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from arch/riscv/kernel/sys_hwprobe.c:7: In file included from include/linux/syscalls.h:93: In file included from include/trace/syscall.h:7: In file included from include/linux/trace_events.h:6: In file included from include/linux/ring_buffer.h:5: In file included from include/linux/mm.h:2228: include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ >> arch/riscv/kernel/sys_hwprobe.c:263:7: error: use of undeclared identifier 'RISCV_HWPROBE_KEY_VECTOR_MISALIGNED_PERF' 263 | case RISCV_HWPROBE_KEY_VECTOR_MISALIGNED_PERF: | ^ 1 warning and 1 error generated. vim +/RISCV_HWPROBE_KEY_VECTOR_MISALIGNED_PERF +263 arch/riscv/kernel/sys_hwprobe.c 234 235 static void hwprobe_one_pair(struct riscv_hwprobe *pair, 236 const struct cpumask *cpus) 237 { 238 switch (pair->key) { 239 case RISCV_HWPROBE_KEY_MVENDORID: 240 case RISCV_HWPROBE_KEY_MARCHID: 241 case RISCV_HWPROBE_KEY_MIMPID: 242 hwprobe_arch_id(pair, cpus); 243 break; 244 /* 245 * The kernel already assumes that the base single-letter ISA 246 * extensions are supported on all harts, and only supports the 247 * IMA base, so just cheat a bit here and tell that to 248 * userspace. 249 */ 250 case RISCV_HWPROBE_KEY_BASE_BEHAVIOR: 251 pair->value = RISCV_HWPROBE_BASE_BEHAVIOR_IMA; 252 break; 253 254 case RISCV_HWPROBE_KEY_IMA_EXT_0: 255 hwprobe_isa_ext0(pair, cpus); 256 break; 257 258 case RISCV_HWPROBE_KEY_CPUPERF_0: 259 case RISCV_HWPROBE_KEY_MISALIGNED_SCALAR_PERF: 260 pair->value = hwprobe_misaligned(cpus); 261 break; 262 > 263 case RISCV_HWPROBE_KEY_VECTOR_MISALIGNED_PERF: 264 pair->value = hwprobe_vec_misaligned(cpus); 265 break; 266 267 case RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE: 268 pair->value = 0; 269 if (hwprobe_ext0_has(cpus, RISCV_HWPROBE_EXT_ZICBOZ)) 270 pair->value = riscv_cboz_block_size; 271 break; 272 case RISCV_HWPROBE_KEY_HIGHEST_VIRT_ADDRESS: 273 pair->value = user_max_virt_addr(); 274 break; 275 276 case RISCV_HWPROBE_KEY_TIME_CSR_FREQ: 277 pair->value = riscv_timebase; 278 break; 279 280 /* 281 * For forward compatibility, unknown keys don't fail the whole 282 * call, but get their element key set to -1 and value set to 0 283 * indicating they're unrecognized. 284 */ 285 default: 286 pair->key = -1; 287 pair->value = 0; 288 break; 289 } 290 } 291 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki