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

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Date: Fri, 3 May 2024 08:28:06 +0800
From: kernel test robot <lkp@...el.com>
To: Dhananjay Ugwekar <Dhananjay.Ugwekar@....com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	x86@...nel.org, Ingo Molnar <mingo@...nel.org>
Subject: [tip:perf/core 12/12] arch/x86/events/rapl.c:154:69: warning: return
 discards 'const' qualifier from pointer target type

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@intel.com/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@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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405030821.FtWhxfmP-lkp@intel.com/

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	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki