[tip:perf/core 12/12] arch/x86/events/rapl.c:154:9: error: returning 'const struct cpumask *' from a function with result type 'cpumask_t *' (aka 'struct cpumask *') discards qualifiers
From: kernel test robot
Date: Thu May 02 2024 - 20:39:19 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: i386-buildonly-randconfig-001-20240503 (https://download.01.org/0day-ci/archive/20240503/202405030828.RgFuznL9-lkp@xxxxxxxxx/config)
compiler: clang version 18.1.4 (https://github.com/llvm/llvm-project e6c3289804a67ea0bb6a86fadbe454dd93b8d855)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240503/202405030828.RgFuznL9-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/202405030828.RgFuznL9-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
>> arch/x86/events/rapl.c:154:9: error: returning 'const struct cpumask *' from a function with result type 'cpumask_t *' (aka 'struct cpumask *') discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
154 | return rapl_pmu_is_pkg_scope() ? topology_core_cpumask(cpu) :
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
155 | topology_die_cpumask(cpu);
| ~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/events/rapl.c:106:2: note: expanded from macro 'rapl_pmu_is_pkg_scope'
106 | (boot_cpu_data.x86_vendor == X86_VENDOR_AMD || \
| ^
1 error generated.
vim +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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