[kbuild-all] [arm-platforms:hack/m1-pmu 8/8] drivers/perf/apple_m1_cpu_pmu.c:100:32: warning: initializer overrides prior initialization of this subobject

tree: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git hack/m1-pmu head: a905c66ae0b391425e9ad7f261ad7b4c33af2c07 commit: a905c66ae0b391425e9ad7f261ad7b4c33af2c07 [8/8] drivers/perf: Add Apple icestorm/firestorm CPU PMU driver config: arm64-randconfig-r036-20211114 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c3dddeeafb529e769cde87bd29ef6271ac6bfa5c) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/com... git remote add arm-platforms https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git git fetch --no-tags arm-platforms hack/m1-pmu git checkout a905c66ae0b391425e9ad7f261ad7b4c33af2c07 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): [M1_PMU_PERFCTR_UNKNOWN_01] = BIT(7), ^~~~~~ include/vdso/bits.h:7:19: note: expanded from macro 'BIT' #define BIT(nr) (UL(1) << (nr)) ^~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:99:32: note: previous initialization is here [0 ... M1_PMU_PERFCTR_LAST] = ANY_BUT_0_1, ^~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:25:23: note: expanded from macro 'ANY_BUT_0_1' #define ANY_BUT_0_1 GENMASK(9, 2) ^~~~~~~~~~~~~ include/linux/bits.h:38:2: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:101:32: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] [M1_PMU_PERFCTR_CPU_CYCLES] = ANY_BUT_0_1 | BIT(0), ^~~~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:25:23: note: expanded from macro 'ANY_BUT_0_1' #define ANY_BUT_0_1 GENMASK(9, 2) ^ include/linux/bits.h:38:2: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^ drivers/perf/apple_m1_cpu_pmu.c:99:32: note: previous initialization is here [0 ... M1_PMU_PERFCTR_LAST] = ANY_BUT_0_1, ^~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:25:23: note: expanded from macro 'ANY_BUT_0_1' #define ANY_BUT_0_1 GENMASK(9, 2) ^~~~~~~~~~~~~ include/linux/bits.h:38:2: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:102:34: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] [M1_PMU_PERFCTR_INSTRUCTIONS] = BIT(7) | BIT(1), ^~~~~~~~~~~~~~~ include/vdso/bits.h:7:19: note: expanded from macro 'BIT' #define BIT(nr) (UL(1) << (nr)) ^ drivers/perf/apple_m1_cpu_pmu.c:99:32: note: previous initialization is here [0 ... M1_PMU_PERFCTR_LAST] = ANY_BUT_0_1, ^~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:25:23: note: expanded from macro 'ANY_BUT_0_1' #define ANY_BUT_0_1 GENMASK(9, 2) ^~~~~~~~~~~~~ include/linux/bits.h:38:2: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:103:32: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] [M1_PMU_PERFCTR_UNKNOWN_8d] = ONLY_5_6_7, ^~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:28:22: note: expanded from macro 'ONLY_5_6_7' #define ONLY_5_6_7 GENMASK(7, 5) ^~~~~~~~~~~~~ include/linux/bits.h:38:2: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:99:32: note: previous initialization is here [0 ... M1_PMU_PERFCTR_LAST] = ANY_BUT_0_1, ^~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:25:23: note: expanded from macro 'ANY_BUT_0_1' #define ANY_BUT_0_1 GENMASK(9, 2) ^~~~~~~~~~~~~ include/linux/bits.h:38:2: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:104:32: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] [M1_PMU_PERFCTR_UNKNOWN_8e] = ONLY_5_6_7, ^~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:28:22: note: expanded from macro 'ONLY_5_6_7' #define ONLY_5_6_7 GENMASK(7, 5) ^~~~~~~~~~~~~ include/linux/bits.h:38:2: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:99:32: note: previous initialization is here [0 ... M1_PMU_PERFCTR_LAST] = ANY_BUT_0_1, ^~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:25:23: note: expanded from macro 'ANY_BUT_0_1' #define ANY_BUT_0_1 GENMASK(9, 2) ^~~~~~~~~~~~~ include/linux/bits.h:38:2: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:105:32: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] [M1_PMU_PERFCTR_UNKNOWN_8f] = ONLY_5_6_7, ^~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:28:22: note: expanded from macro 'ONLY_5_6_7' #define ONLY_5_6_7 GENMASK(7, 5) ^~~~~~~~~~~~~ include/linux/bits.h:38:2: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:99:32: note: previous initialization is here [0 ... M1_PMU_PERFCTR_LAST] = ANY_BUT_0_1, ^~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:25:23: note: expanded from macro 'ANY_BUT_0_1' #define ANY_BUT_0_1 GENMASK(9, 2) ^~~~~~~~~~~~~ include/linux/bits.h:38:2: note: expanded from macro 'GENMASK' (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) vim +100 drivers/perf/apple_m1_cpu_pmu.c 91 92 /* 93 * Per-event affinity table. Most events can be installed on counter 94 * 2-9, but there are a numbre of exceptions. Note that this table 95 * has been created experimentally, and I wouldn't be surprised if more 96 * counters had strange affinities. 97 */ 98 static const u16 m1_pmu_event_affinity[M1_PMU_PERFCTR_LAST + 1] = { 99 [0 ... M1_PMU_PERFCTR_LAST] = ANY_BUT_0_1, 101 [M1_PMU_PERFCTR_CPU_CYCLES] = ANY_BUT_0_1 | BIT(0), 102 [M1_PMU_PERFCTR_INSTRUCTIONS] = BIT(7) | BIT(1), 103 [M1_PMU_PERFCTR_UNKNOWN_8d] = ONLY_5_6_7, 104 [M1_PMU_PERFCTR_UNKNOWN_8e] = ONLY_5_6_7, 105 [M1_PMU_PERFCTR_UNKNOWN_8f] = ONLY_5_6_7, 106 [M1_PMU_PERFCTR_UNKNOWN_90] = ONLY_5_6_7, 107 [M1_PMU_PERFCTR_UNKNOWN_93] = ONLY_5_6_7, 108 [M1_PMU_PERFCTR_UNKNOWN_94] = ONLY_5_6_7, 109 [M1_PMU_PERFCTR_UNKNOWN_95] = ONLY_5_6_7, 110 [M1_PMU_PERFCTR_UNKNOWN_96] = ONLY_5_6_7, 111 [M1_PMU_PERFCTR_UNKNOWN_97] = BIT(7), 112 [M1_PMU_PERFCTR_UNKNOWN_98] = ONLY_5_6_7, 113 [M1_PMU_PERFCTR_UNKNOWN_99] = ONLY_5_6_7, 114 [M1_PMU_PERFCTR_UNKNOWN_9a] = BIT(7), 115 [M1_PMU_PERFCTR_UNKNOWN_9b] = ONLY_5_6_7, 116 [M1_PMU_PERFCTR_UNKNOWN_9c] = ONLY_5_6_7, 117 [M1_PMU_PERFCTR_UNKNOWN_9f] = BIT(7), 118 [M1_PMU_PERFCTR_UNKNOWN_bf] = ONLY_5_6_7, 119 [M1_PMU_PERFCTR_UNKNOWN_c0] = ONLY_5_6_7, 120 [M1_PMU_PERFCTR_UNKNOWN_c1] = ONLY_5_6_7, 121 [M1_PMU_PERFCTR_UNKNOWN_c4] = ONLY_5_6_7, 122 [M1_PMU_PERFCTR_UNKNOWN_c5] = ONLY_5_6_7, 123 [M1_PMU_PERFCTR_UNKNOWN_c6] = ONLY_5_6_7, 124 [M1_PMU_PERFCTR_UNKNOWN_c8] = ONLY_5_6_7, 125 [M1_PMU_PERFCTR_UNKNOWN_ca] = ONLY_5_6_7, 126 [M1_PMU_PERFCTR_UNKNOWN_cb] = ONLY_5_6_7, 127 [M1_PMU_PERFCTR_UNKNOWN_f5] = ONLY_2_4_6, 128 [M1_PMU_PERFCTR_UNKNOWN_f6] = ONLY_2_4_6, 129 [M1_PMU_PERFCTR_UNKNOWN_f7] = ONLY_2_4_6, 130 [M1_PMU_PERFCTR_UNKNOWN_f8] = ONLY_2_TO_7, 131 [M1_PMU_PERFCTR_UNKNOWN_fd] = ONLY_2_4_6, 132 }; 133 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org