[tip:perf/core 12/12] arch/x86/events/rapl.c:154:69: warning: return discards 'const' qualifier from pointer target type

From: kernel test robot
Date: Thu May 02 2024 - 20:29:18 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core
head: 5d4d0283c0546559600dee7e9a4d87e402f3f4d9
commit: 5d4d0283c0546559600dee7e9a4d87e402f3f4d9 [12/12] perf/x86/rapl: Fix the energy-pkg event for AMD CPUs
config: x86_64-buildonly-randconfig-001-20240503 (https://download.01.org/0day-ci/archive/20240503/202405030821.FtWhxfmP-lkp@xxxxxxxxx/config)
compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240503/202405030821.FtWhxfmP-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/202405030821.FtWhxfmP-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

arch/x86/events/rapl.c: In function 'get_rapl_pmu_cpumask':
>> arch/x86/events/rapl.c:154:69: warning: return discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
154 | return rapl_pmu_is_pkg_scope() ? topology_core_cpumask(cpu) :


vim +/const +154 arch/x86/events/rapl.c

151
152 static inline cpumask_t *get_rapl_pmu_cpumask(int cpu)
153 {
> 154 return rapl_pmu_is_pkg_scope() ? topology_core_cpumask(cpu) :
155 topology_die_cpumask(cpu);
156 }
157

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