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12 Nov 2026 11:48:49 -0800 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xRamr-000000011yx-3hkD; Thu, 12 Nov 2026 19:48:45 +0000 Date: Fri, 13 Nov 2026 03:48:39 +0800 From: kernel test robot To: Rosen Penev , Will Deacon , Mark Rutland , Nathan Chancellor Cc: oe-kbuild-all@lists.linux.dev, Nick Desaulniers , Bill Wendling , Justin Stitt , linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev Subject: Re: [PATCH] perf: arm_v7_pmu: suppress -Winitializer-overrides for perf maps Message-ID: <202611130312.GB4BOZab-lkp@intel.com> References: <20261111023326.70922-1-rosenp@gmail.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261111023326.70922-1-rosenp@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261112_114852_568152_5A50A1DF X-CRM114-Status: GOOD ( 12.03 ) X-Spam-Score: -4.4 (----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hi Rosen, kernel test robot noticed the following build warnings: [auto build test WARNING on arm-perf/for-next/perf] [also build test WARNING on linus/master v7.4-rc2 next-20261111] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Rosen-Penev/perf-arm_v7_pmu-suppress-Winitializer-overrides-for-perf-maps/20261110-183326 base: https://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git for-next/perf patch link: https://lore.kernel.org/r/20261111023326.70922-1-rosenp%40gmail.com patch subject: [PATCH] perf: arm_v7_pmu: suppress -Winitializer-overrides for perf maps config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20261113/202611130312.GB4BOZab-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 16.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261113/202611130312.GB4BOZab-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202611130312.GB4BOZab-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from include/linux/compiler_types.h:173, from : >> include/linux/compiler-gcc.h:118:33: warning: unknown option after '#pragma GCC diagnostic' kind [-Wpragmas] 118 | #define __diag(s) _Pragma(__diag_str(GCC diagnostic s)) | ^~~~~~~ include/linux/compiler-gcc.h:129:9: note: in expansion of macro '__diag' 129 | __diag(__diag_GCC_ignore option) | ^~~~~~ drivers/perf/arm_v7_pmu.c:156:1: note: in expansion of macro '__diag_ignore_all' 156 | __diag_ignore_all("-Winitializer-overrides", ""); | ^~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:78:57: warning: initialized field overwritten [-Woverride-init] 78 | #define ARMV7_PERFCTR_CPU_CYCLES 0xFF | ^~~~ drivers/perf/arm_v7_pmu.c:167:51: note: in expansion of macro 'ARMV7_PERFCTR_CPU_CYCLES' 167 | [PERF_COUNT_HW_CPU_CYCLES] = ARMV7_PERFCTR_CPU_CYCLES, | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:78:57: note: (near initialization for 'armv7_a8_perf_map[0]') drivers/perf/arm_v7_pmu.c:167:51: note: in expansion of macro 'ARMV7_PERFCTR_CPU_CYCLES' 167 | [PERF_COUNT_HW_CPU_CYCLES] = ARMV7_PERFCTR_CPU_CYCLES, | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:45:57: warning: initialized field overwritten [-Woverride-init] 45 | #define ARMV7_PERFCTR_INSTR_EXECUTED 0x08 | ^~~~ drivers/perf/arm_v7_pmu.c:168:51: note: in expansion of macro 'ARMV7_PERFCTR_INSTR_EXECUTED' 168 | [PERF_COUNT_HW_INSTRUCTIONS] = ARMV7_PERFCTR_INSTR_EXECUTED, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:45:57: note: (near initialization for 'armv7_a8_perf_map[1]') drivers/perf/arm_v7_pmu.c:168:51: note: in expansion of macro 'ARMV7_PERFCTR_INSTR_EXECUTED' 168 | [PERF_COUNT_HW_INSTRUCTIONS] = ARMV7_PERFCTR_INSTR_EXECUTED, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:41:57: warning: initialized field overwritten [-Woverride-init] 41 | #define ARMV7_PERFCTR_L1_DCACHE_ACCESS 0x04 | ^~~~ drivers/perf/arm_v7_pmu.c:169:51: note: in expansion of macro 'ARMV7_PERFCTR_L1_DCACHE_ACCESS' 169 | [PERF_COUNT_HW_CACHE_REFERENCES] = ARMV7_PERFCTR_L1_DCACHE_ACCESS, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:41:57: note: (near initialization for 'armv7_a8_perf_map[2]') drivers/perf/arm_v7_pmu.c:169:51: note: in expansion of macro 'ARMV7_PERFCTR_L1_DCACHE_ACCESS' 169 | [PERF_COUNT_HW_CACHE_REFERENCES] = ARMV7_PERFCTR_L1_DCACHE_ACCESS, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:40:57: warning: initialized field overwritten [-Woverride-init] 40 | #define ARMV7_PERFCTR_L1_DCACHE_REFILL 0x03 | ^~~~ drivers/perf/arm_v7_pmu.c:170:51: note: in expansion of macro 'ARMV7_PERFCTR_L1_DCACHE_REFILL' 170 | [PERF_COUNT_HW_CACHE_MISSES] = ARMV7_PERFCTR_L1_DCACHE_REFILL, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:40:57: note: (near initialization for 'armv7_a8_perf_map[3]') drivers/perf/arm_v7_pmu.c:170:51: note: in expansion of macro 'ARMV7_PERFCTR_L1_DCACHE_REFILL' 170 | [PERF_COUNT_HW_CACHE_MISSES] = ARMV7_PERFCTR_L1_DCACHE_REFILL, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:57:57: warning: initialized field overwritten [-Woverride-init] 57 | #define ARMV7_PERFCTR_PC_WRITE 0x0C | ^~~~ drivers/perf/arm_v7_pmu.c:171:51: note: in expansion of macro 'ARMV7_PERFCTR_PC_WRITE' 171 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = ARMV7_PERFCTR_PC_WRITE, | ^~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:57:57: note: (near initialization for 'armv7_a8_perf_map[4]') drivers/perf/arm_v7_pmu.c:171:51: note: in expansion of macro 'ARMV7_PERFCTR_PC_WRITE' 171 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = ARMV7_PERFCTR_PC_WRITE, | ^~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:61:57: warning: initialized field overwritten [-Woverride-init] 61 | #define ARMV7_PERFCTR_PC_BRANCH_MIS_PRED 0x10 | ^~~~ drivers/perf/arm_v7_pmu.c:172:51: note: in expansion of macro 'ARMV7_PERFCTR_PC_BRANCH_MIS_PRED' 172 | [PERF_COUNT_HW_BRANCH_MISSES] = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:61:57: note: (near initialization for 'armv7_a8_perf_map[5]') drivers/perf/arm_v7_pmu.c:172:51: note: in expansion of macro 'ARMV7_PERFCTR_PC_BRANCH_MIS_PRED' 172 | [PERF_COUNT_HW_BRANCH_MISSES] = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:84:57: warning: initialized field overwritten [-Woverride-init] 84 | #define ARMV7_A8_PERFCTR_STALL_ISIDE 0x56 | ^~~~ drivers/perf/arm_v7_pmu.c:173:51: note: in expansion of macro 'ARMV7_A8_PERFCTR_STALL_ISIDE' 173 | [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = ARMV7_A8_PERFCTR_STALL_ISIDE, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:84:57: note: (near initialization for 'armv7_a8_perf_map[7]') drivers/perf/arm_v7_pmu.c:173:51: note: in expansion of macro 'ARMV7_A8_PERFCTR_STALL_ISIDE' 173 | [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = ARMV7_A8_PERFCTR_STALL_ISIDE, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:41:57: warning: initialized field overwritten [-Woverride-init] 41 | #define ARMV7_PERFCTR_L1_DCACHE_ACCESS 0x04 | ^~~~ drivers/perf/arm_v7_pmu.c:186:51: note: in expansion of macro 'ARMV7_PERFCTR_L1_DCACHE_ACCESS' 186 | [C(L1D)][C(OP_READ)][C(RESULT_ACCESS)] = ARMV7_PERFCTR_L1_DCACHE_ACCESS, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:41:57: note: (near initialization for 'armv7_a8_perf_cache_map[0][0][0]') drivers/perf/arm_v7_pmu.c:186:51: note: in expansion of macro 'ARMV7_PERFCTR_L1_DCACHE_ACCESS' 186 | [C(L1D)][C(OP_READ)][C(RESULT_ACCESS)] = ARMV7_PERFCTR_L1_DCACHE_ACCESS, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:40:57: warning: initialized field overwritten [-Woverride-init] 40 | #define ARMV7_PERFCTR_L1_DCACHE_REFILL 0x03 | ^~~~ drivers/perf/arm_v7_pmu.c:187:51: note: in expansion of macro 'ARMV7_PERFCTR_L1_DCACHE_REFILL' 187 | [C(L1D)][C(OP_READ)][C(RESULT_MISS)] = ARMV7_PERFCTR_L1_DCACHE_REFILL, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:40:57: note: (near initialization for 'armv7_a8_perf_cache_map[0][0][1]') drivers/perf/arm_v7_pmu.c:187:51: note: in expansion of macro 'ARMV7_PERFCTR_L1_DCACHE_REFILL' 187 | [C(L1D)][C(OP_READ)][C(RESULT_MISS)] = ARMV7_PERFCTR_L1_DCACHE_REFILL, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/perf/arm_v7_pmu.c:41:57: warning: initialized field overwritten [-Woverride-init] 41 | #define ARMV7_PERFCTR_L1_DCACHE_ACCESS 0x04 vim +118 include/linux/compiler-gcc.h 8793bb7f4a9dd13 Arnd Bergmann 2018-06-19 115 8793bb7f4a9dd13 Arnd Bergmann 2018-06-19 116 #define __diag_str1(s) #s 8793bb7f4a9dd13 Arnd Bergmann 2018-06-19 117 #define __diag_str(s) __diag_str1(s) 8793bb7f4a9dd13 Arnd Bergmann 2018-06-19 @118 #define __diag(s) _Pragma(__diag_str(GCC diagnostic s)) 8793bb7f4a9dd13 Arnd Bergmann 2018-06-19 119 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki