Hi Meng, kernel test robot noticed the following build warnings: [auto build test WARNING on rafael-pm/linux-next] [also build test WARNING on linus/master v6.5 next-20230905] [cannot apply to tip/x86/core] [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/Meng-Li/x86-Drop-CPU_SUP_INTEL-from-SCHED_MC_PRIO-for-the-expansion/20230906-003754 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next patch link: https://lore.kernel.org/r/20230905015116.2268926-4-li.meng%40amd.com patch subject: [PATCH V5 3/7] cpufreq: amd-pstate: Enable amd-pstate preferred core supporting. config: x86_64-randconfig-r022-20230906 (https://download.01.org/0day-ci/archive/20230906/202309061049.2ag7qkvI-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230906/202309061049.2ag7qkvI-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/202309061049.2ag7qkvI-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/cpufreq/amd-pstate.c:1131:8: warning: unused variable 'dev_attr_hw_prefcore' [-Wunused-variable] static DEVICE_ATTR_RO(hw_prefcore); ^ include/linux/device.h:198:26: note: expanded from macro 'DEVICE_ATTR_RO' struct device_attribute dev_attr_##_name = __ATTR_RO(_name) ^ <scratch space>:91:1: note: expanded from here dev_attr_hw_prefcore ^ 1 warning generated. vim +/dev_attr_hw_prefcore +1131 drivers/cpufreq/amd-pstate.c 1126 1127 cpufreq_freq_attr_ro(amd_pstate_highest_perf); 1128 cpufreq_freq_attr_rw(energy_performance_preference); 1129 cpufreq_freq_attr_ro(energy_performance_available_preferences); 1130 static DEVICE_ATTR_RW(status); > 1131 static DEVICE_ATTR_RO(hw_prefcore); 1132 static DEVICE_ATTR_RO(prefcore); 1133 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
