From: kernel test robot <lkp@intel.com>
To: Rosen Penev <rosenp@gmail.com>, Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Nathan Chancellor <nathan@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev,
Nick Desaulniers <ndesaulniers@google.com>,
Bill Wendling <morbo@google.com>,
Justin Stitt <justinstitt@google.com>,
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
Date: Fri, 13 Nov 2026 03:48:39 +0800 [thread overview]
Message-ID: <202611130312.GB4BOZab-lkp@intel.com> (raw)
In-Reply-To: <20261111023326.70922-1-rosenp@gmail.com>
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 <lkp@intel.com>
| 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 <command-line>:
>> 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
prev parent reply other threads:[~2026-11-12 19:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-11 2:33 [PATCH] perf: arm_v7_pmu: suppress -Winitializer-overrides for perf maps Rosen Penev
2026-11-11 2:58 ` sashiko-bot
2026-11-12 19:48 ` kernel test robot [this message]
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