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-20230829] [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/20230829-144723 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next patch link: https://lore.kernel.org/r/20230829064340.1136448-4-li.meng%40amd.com patch subject: [PATCH V4 3/7] cpufreq: amd-pstate: Enable AMD Pstate Preferred Core Supporting. config: x86_64-randconfig-r005-20230829 (https://download.01.org/0day-ci/archive/20230829/202308292233.XhcXfvSm-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/20230829/202308292233.XhcXfvSm-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/202308292233.XhcXfvSm-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/cpufreq/amd-pstate.c:692: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Get the highest performance register value. vim +692 drivers/cpufreq/amd-pstate.c 690 691 /** > 692 * Get the highest performance register value. 693 * @cpu: CPU from which to get highest performance. 694 * @highest_perf: Return address. 695 * 696 * Return: 0 for success, -EIO otherwise. 697 */ 698 static int amd_pstate_get_highest_perf(int cpu, u64 *highest_perf) 699 { 700 int ret; 701 702 if (boot_cpu_has(X86_FEATURE_CPPC)) { 703 u64 cap1; 704 705 ret = rdmsrl_safe_on_cpu(cpu, MSR_AMD_CPPC_CAP1, &cap1); 706 if (ret) 707 return ret; 708 WRITE_ONCE(*highest_perf, AMD_CPPC_HIGHEST_PERF(cap1)); 709 } else { 710 ret = cppc_get_highest_perf(cpu, highest_perf); 711 } 712 713 return (ret); 714 } 715 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki