Re: [PATCH RESEND v6 03/21] drivers/perf: apple_m1: Support per-implementation event tables
From: kernel test robot <hidden>
Date: 2025-05-07 10:01:08
Also in:
asahi, linux-devicetree, linux-perf-users, lkml, oe-kbuild-all
Hi Nick, kernel test robot noticed the following build warnings: [auto build test WARNING on 0af2f6be1b4281385b618cb86ad946eded089ac8] url: https://github.com/intel-lab-lkp/linux/commits/Nick-Chan/dt-bindings-arm-pmu-Add-Apple-A7-A11-SoC-CPU-PMU-compatibles/20250429-114920 base: 0af2f6be1b4281385b618cb86ad946eded089ac8 patch link: https://lore.kernel.org/r/20250429-apple-cpmu-v6-3-ed21815f0c3f%40gmail.com patch subject: [PATCH RESEND v6 03/21] drivers/perf: apple_m1: Support per-implementation event tables config: arm64-randconfig-004-20250501 (https://download.01.org/0day-ci/archive/20250507/202505071747.2b2WEajY-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 9.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250507/202505071747.2b2WEajY-lkp@intel.com/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 [off-list ref] | Closes: https://lore.kernel.org/oe-kbuild-all/202505071747.2b2WEajY-lkp@intel.com/ (local) All warnings (new ones prefixed by >>): include/linux/bits.h:34:2: note: (near initialization for 'm1_pmu_event_affinity[248]') 34 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) | ^ drivers/perf/apple_m1_cpu_pmu.c:27:23: note: in expansion of macro 'GENMASK' 27 | #define ONLY_2_TO_7 GENMASK(7, 2) | ^~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:163:35: note: in expansion of macro 'ONLY_2_TO_7' 163 | [M1_PMU_PERFCTR_UNKNOWN_f8] = ONLY_2_TO_7, | ^~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:28:22: warning: initialized field overwritten [-Woverride-init] 28 | #define ONLY_2_4_6 (BIT(2) | BIT(4) | BIT(6)) | ^ drivers/perf/apple_m1_cpu_pmu.c:164:35: note: in expansion of macro 'ONLY_2_4_6' 164 | [M1_PMU_PERFCTR_UNKNOWN_fd] = ONLY_2_4_6, | ^~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:28:22: note: (near initialization for 'm1_pmu_event_affinity[253]') 28 | #define ONLY_2_4_6 (BIT(2) | BIT(4) | BIT(6)) | ^ drivers/perf/apple_m1_cpu_pmu.c:164:35: note: in expansion of macro 'ONLY_2_4_6' 164 | [M1_PMU_PERFCTR_UNKNOWN_fd] = ONLY_2_4_6, | ^~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:169:32: warning: initialized field overwritten [-Woverride-init] 169 | [PERF_COUNT_HW_CPU_CYCLES] = M1_PMU_PERFCTR_CORE_ACTIVE_CYCLE, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:169:32: note: (near initialization for 'm1_pmu_perf_map[0]') drivers/perf/apple_m1_cpu_pmu.c:170:34: warning: initialized field overwritten [-Woverride-init] 170 | [PERF_COUNT_HW_INSTRUCTIONS] = M1_PMU_PERFCTR_INST_ALL, | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:170:34: note: (near initialization for 'm1_pmu_perf_map[1]') drivers/perf/apple_m1_cpu_pmu.c:171:40: warning: initialized field overwritten [-Woverride-init] 171 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = M1_PMU_PERFCTR_INST_BRANCH, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:171:40: note: (near initialization for 'm1_pmu_perf_map[4]') drivers/perf/apple_m1_cpu_pmu.c:172:35: warning: initialized field overwritten [-Woverride-init] 172 | [PERF_COUNT_HW_BRANCH_MISSES] = M1_PMU_PERFCTR_BRANCH_MISPRED_NONSPEC, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:172:35: note: (near initialization for 'm1_pmu_perf_map[5]') drivers/perf/apple_m1_cpu_pmu.c:176:40: warning: initialized field overwritten [-Woverride-init] 176 | [ARMV8_PMUV3_PERFCTR_##pmuv3_event] = M1_PMU_PERFCTR_##m1_event | ^~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:180:2: note: in expansion of macro 'M1_PMUV3_EVENT_MAP' 180 | M1_PMUV3_EVENT_MAP(INST_RETIRED, INST_ALL), | ^~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:176:40: note: (near initialization for 'm1_pmu_pmceid_map[8]') 176 | [ARMV8_PMUV3_PERFCTR_##pmuv3_event] = M1_PMU_PERFCTR_##m1_event | ^~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:180:2: note: in expansion of macro 'M1_PMUV3_EVENT_MAP' 180 | M1_PMUV3_EVENT_MAP(INST_RETIRED, INST_ALL), | ^~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:176:40: warning: initialized field overwritten [-Woverride-init] 176 | [ARMV8_PMUV3_PERFCTR_##pmuv3_event] = M1_PMU_PERFCTR_##m1_event | ^~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:181:2: note: in expansion of macro 'M1_PMUV3_EVENT_MAP' 181 | M1_PMUV3_EVENT_MAP(CPU_CYCLES, CORE_ACTIVE_CYCLE), | ^~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:176:40: note: (near initialization for 'm1_pmu_pmceid_map[17]') 176 | [ARMV8_PMUV3_PERFCTR_##pmuv3_event] = M1_PMU_PERFCTR_##m1_event | ^~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:181:2: note: in expansion of macro 'M1_PMUV3_EVENT_MAP' 181 | M1_PMUV3_EVENT_MAP(CPU_CYCLES, CORE_ACTIVE_CYCLE), | ^~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:176:40: warning: initialized field overwritten [-Woverride-init] 176 | [ARMV8_PMUV3_PERFCTR_##pmuv3_event] = M1_PMU_PERFCTR_##m1_event | ^~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:182:2: note: in expansion of macro 'M1_PMUV3_EVENT_MAP' 182 | M1_PMUV3_EVENT_MAP(BR_RETIRED, INST_BRANCH), | ^~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:176:40: note: (near initialization for 'm1_pmu_pmceid_map[33]') 176 | [ARMV8_PMUV3_PERFCTR_##pmuv3_event] = M1_PMU_PERFCTR_##m1_event | ^~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:182:2: note: in expansion of macro 'M1_PMUV3_EVENT_MAP' 182 | M1_PMUV3_EVENT_MAP(BR_RETIRED, INST_BRANCH), | ^~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:176:40: warning: initialized field overwritten [-Woverride-init] 176 | [ARMV8_PMUV3_PERFCTR_##pmuv3_event] = M1_PMU_PERFCTR_##m1_event | ^~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:183:2: note: in expansion of macro 'M1_PMUV3_EVENT_MAP' 183 | M1_PMUV3_EVENT_MAP(BR_MIS_PRED_RETIRED, BRANCH_MISPRED_NONSPEC), | ^~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:176:40: note: (near initialization for 'm1_pmu_pmceid_map[34]') 176 | [ARMV8_PMUV3_PERFCTR_##pmuv3_event] = M1_PMU_PERFCTR_##m1_event | ^~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c:183:2: note: in expansion of macro 'M1_PMUV3_EVENT_MAP' 183 | M1_PMUV3_EVENT_MAP(BR_MIS_PRED_RETIRED, BRANCH_MISPRED_NONSPEC), | ^~~~~~~~~~~~~~~~~~ drivers/perf/apple_m1_cpu_pmu.c: In function 'm1_pmu_enable_event': drivers/perf/apple_m1_cpu_pmu.c:422:5: warning: variable 'evt' set but not used [-Wunused-but-set-variable] 422 | u8 evt; | ^~~ drivers/perf/apple_m1_cpu_pmu.c:421:13: warning: variable 'kernel' set but not used [-Wunused-but-set-variable] 421 | bool user, kernel; | ^~~~~~ drivers/perf/apple_m1_cpu_pmu.c:421:7: warning: variable 'user' set but not used [-Wunused-but-set-variable] 421 | bool user, kernel; | ^~~~ In file included from include/linux/bits.h:22, from include/linux/bitops.h:6, from include/linux/of.h:15, from drivers/perf/apple_m1_cpu_pmu.c:13: drivers/perf/apple_m1_cpu_pmu.c: At top level:
quoted
include/linux/build_bug.h:16:44: warning: anonymous struct declared inside parameter list will not be visible outside of this definition or declaration
16 | #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
| ^~~~~~
include/linux/bits.h:24:35: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
24 | #define GENMASK_INPUT_CHECK(h, l) BUILD_BUG_ON_ZERO(const_true((l) > (h)))
| ^~~~~~~~~~~~~~~~~
include/linux/bits.h:34:3: note: in expansion of macro 'GENMASK_INPUT_CHECK'
34 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
| ^~~~~~~~~~~~~~~~~~~
drivers/perf/apple_m1_cpu_pmu.c:24:27: note: in expansion of macro 'GENMASK'
24 | #define M1_PMU_CFG_EVENT GENMASK(7, 0)
| ^~~~~~~
drivers/perf/apple_m1_cpu_pmu.c:496:32: note: in expansion of macro 'M1_PMU_CFG_EVENT'
496 | const u16 event_affinities[M1_PMU_CFG_EVENT])
| ^~~~~~~~~~~~~~~~
vim +16 include/linux/build_bug.h
bc6245e5efd70c Ian Abbott 2017-07-10 6
bc6245e5efd70c Ian Abbott 2017-07-10 7 #ifdef __CHECKER__
bc6245e5efd70c Ian Abbott 2017-07-10 8 #define BUILD_BUG_ON_ZERO(e) (0)
bc6245e5efd70c Ian Abbott 2017-07-10 9 #else /* __CHECKER__ */
bc6245e5efd70c Ian Abbott 2017-07-10 10 /*
bc6245e5efd70c Ian Abbott 2017-07-10 11 * Force a compilation error if condition is true, but also produce a
8788994376d84d Rikard Falkeborn 2019-12-04 12 * result (of value 0 and type int), so the expression can be used
bc6245e5efd70c Ian Abbott 2017-07-10 13 * e.g. in a structure initializer (or where-ever else comma expressions
bc6245e5efd70c Ian Abbott 2017-07-10 14 * aren't permitted).
bc6245e5efd70c Ian Abbott 2017-07-10 15 */
8788994376d84d Rikard Falkeborn 2019-12-04 @16 #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
527edbc18a70e7 Masahiro Yamada 2019-01-03 17 #endif /* __CHECKER__ */
527edbc18a70e7 Masahiro Yamada 2019-01-03 18
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki