Hi Raghavendra, kernel test robot noticed the following build errors: [auto build test ERROR on 2ccdd1b13c591d306f0401d98dedc4bdcd02b421] url: https://github.com/intel-lab-lkp/linux/commits/Raghavendra-Rao-Ananta/KVM-arm64-PMU-Introduce-a-helper-to-set-the-guest-s-PMU/20230817-083353 base: 2ccdd1b13c591d306f0401d98dedc4bdcd02b421 patch link: https://lore.kernel.org/r/20230817003029.3073210-6-rananta%40google.com patch subject: [PATCH v5 05/12] KVM: arm64: PMU: Simplify extracting PMCR_EL0.N config: arm-randconfig-r046-20230817 (https://download.01.org/0day-ci/archive/20230817/202308171444.Q5rfJubF-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230817/202308171444.Q5rfJubF-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/202308171444.Q5rfJubF-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): | ^~~~~~ drivers/perf/arm_pmuv3.c:141:2: note: previous initialization is here 141 | PERF_CACHE_MAP_ALL_UNSUPPORTED, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmu.h:45:31: note: expanded from macro 'PERF_CACHE_MAP_ALL_UNSUPPORTED' 45 | [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED, \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmu.h:37:31: note: expanded from macro 'CACHE_OP_UNSUPPORTED' 37 | #define CACHE_OP_UNSUPPORTED 0xFFFF | ^~~~~~ drivers/perf/arm_pmuv3.c:148:44: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] 148 | [C(DTLB)][C(OP_READ)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_L1D_TLB_RD, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmuv3.h:133:44: note: expanded from macro 'ARMV8_IMPDEF_PERFCTR_L1D_TLB_RD' 133 | #define ARMV8_IMPDEF_PERFCTR_L1D_TLB_RD 0x004E | ^~~~~~ drivers/perf/arm_pmuv3.c:141:2: note: previous initialization is here 141 | PERF_CACHE_MAP_ALL_UNSUPPORTED, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmu.h:45:31: note: expanded from macro 'PERF_CACHE_MAP_ALL_UNSUPPORTED' 45 | [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED, \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmu.h:37:31: note: expanded from macro 'CACHE_OP_UNSUPPORTED' 37 | #define CACHE_OP_UNSUPPORTED 0xFFFF | ^~~~~~ drivers/perf/arm_pmuv3.c:149:45: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] 149 | [C(DTLB)][C(OP_WRITE)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_L1D_TLB_WR, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmuv3.h:134:44: note: expanded from macro 'ARMV8_IMPDEF_PERFCTR_L1D_TLB_WR' 134 | #define ARMV8_IMPDEF_PERFCTR_L1D_TLB_WR 0x004F | ^~~~~~ drivers/perf/arm_pmuv3.c:141:2: note: previous initialization is here 141 | PERF_CACHE_MAP_ALL_UNSUPPORTED, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmu.h:45:31: note: expanded from macro 'PERF_CACHE_MAP_ALL_UNSUPPORTED' 45 | [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED, \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmu.h:37:31: note: expanded from macro 'CACHE_OP_UNSUPPORTED' 37 | #define CACHE_OP_UNSUPPORTED 0xFFFF | ^~~~~~ drivers/perf/arm_pmuv3.c:150:42: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] 150 | [C(DTLB)][C(OP_READ)][C(RESULT_MISS)] = ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_RD, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmuv3.h:131:50: note: expanded from macro 'ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_RD' 131 | #define ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_RD 0x004C | ^~~~~~ drivers/perf/arm_pmuv3.c:141:2: note: previous initialization is here 141 | PERF_CACHE_MAP_ALL_UNSUPPORTED, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmu.h:45:31: note: expanded from macro 'PERF_CACHE_MAP_ALL_UNSUPPORTED' 45 | [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED, \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmu.h:37:31: note: expanded from macro 'CACHE_OP_UNSUPPORTED' 37 | #define CACHE_OP_UNSUPPORTED 0xFFFF | ^~~~~~ drivers/perf/arm_pmuv3.c:151:43: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] 151 | [C(DTLB)][C(OP_WRITE)][C(RESULT_MISS)] = ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_WR, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmuv3.h:132:50: note: expanded from macro 'ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_WR' 132 | #define ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_WR 0x004D | ^~~~~~ drivers/perf/arm_pmuv3.c:141:2: note: previous initialization is here 141 | PERF_CACHE_MAP_ALL_UNSUPPORTED, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmu.h:45:31: note: expanded from macro 'PERF_CACHE_MAP_ALL_UNSUPPORTED' 45 | [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED, \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmu.h:37:31: note: expanded from macro 'CACHE_OP_UNSUPPORTED' 37 | #define CACHE_OP_UNSUPPORTED 0xFFFF | ^~~~~~ drivers/perf/arm_pmuv3.c:153:44: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] 153 | [C(NODE)][C(OP_READ)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmuv3.h:148:46: note: expanded from macro 'ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD' 148 | #define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD 0x0060 | ^~~~~~ drivers/perf/arm_pmuv3.c:141:2: note: previous initialization is here 141 | PERF_CACHE_MAP_ALL_UNSUPPORTED, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmu.h:45:31: note: expanded from macro 'PERF_CACHE_MAP_ALL_UNSUPPORTED' 45 | [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED, \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmu.h:37:31: note: expanded from macro 'CACHE_OP_UNSUPPORTED' 37 | #define CACHE_OP_UNSUPPORTED 0xFFFF | ^~~~~~ drivers/perf/arm_pmuv3.c:154:45: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] 154 | [C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmuv3.h:149:46: note: expanded from macro 'ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR' 149 | #define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR 0x0061 | ^~~~~~ drivers/perf/arm_pmuv3.c:141:2: note: previous initialization is here 141 | PERF_CACHE_MAP_ALL_UNSUPPORTED, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmu.h:45:31: note: expanded from macro 'PERF_CACHE_MAP_ALL_UNSUPPORTED' 45 | [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED, \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/perf/arm_pmu.h:37:31: note: expanded from macro 'CACHE_OP_UNSUPPORTED' 37 | #define CACHE_OP_UNSUPPORTED 0xFFFF | ^~~~~~ >> drivers/perf/arm_pmuv3.c:1131:24: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1131 | cpu_pmu->num_events = FIELD_GET(ARMV8_PMU_PMCR_N, armv8pmu_pmcr_read()); | ^ 55 warnings and 1 error generated. vim +/FIELD_GET +1131 drivers/perf/arm_pmuv3.c 1114 1115 static void __armv8pmu_probe_pmu(void *info) 1116 { 1117 struct armv8pmu_probe_info *probe = info; 1118 struct arm_pmu *cpu_pmu = probe->pmu; 1119 u64 pmceid_raw[2]; 1120 u32 pmceid[2]; 1121 int pmuver; 1122 1123 pmuver = read_pmuver(); 1124 if (!pmuv3_implemented(pmuver)) 1125 return; 1126 1127 cpu_pmu->pmuver = pmuver; 1128 probe->present = true; 1129 1130 /* Read the nb of CNTx counters supported from PMNC */ > 1131 cpu_pmu->num_events = FIELD_GET(ARMV8_PMU_PMCR_N, armv8pmu_pmcr_read()); 1132 1133 /* Add the CPU cycles counter */ 1134 cpu_pmu->num_events += 1; 1135 1136 pmceid[0] = pmceid_raw[0] = read_pmceid0(); 1137 pmceid[1] = pmceid_raw[1] = read_pmceid1(); 1138 1139 bitmap_from_arr32(cpu_pmu->pmceid_bitmap, 1140 pmceid, ARMV8_PMUV3_MAX_COMMON_EVENTS); 1141 1142 pmceid[0] = pmceid_raw[0] >> 32; 1143 pmceid[1] = pmceid_raw[1] >> 32; 1144 1145 bitmap_from_arr32(cpu_pmu->pmceid_ext_bitmap, 1146 pmceid, ARMV8_PMUV3_MAX_COMMON_EVENTS); 1147 1148 /* store PMMIR register for sysfs */ 1149 if (is_pmuv3p4(pmuver) && (pmceid_raw[1] & BIT(31))) 1150 cpu_pmu->reg_pmmir = read_pmmir(); 1151 else 1152 cpu_pmu->reg_pmmir = 0; 1153 } 1154 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
