Hi Mario, kernel test robot noticed the following build errors: [auto build test ERROR on rafael-pm/linux-next] [also build test ERROR on rafael-pm/bleeding-edge tip/x86/core tip/master linus/master v6.11-rc5 next-20240827] [cannot apply to tip/auto-latest] [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/Mario-Limonciello/x86-amd-Move-amd_get_highest_perf-from-amd-c-to-cppc-c/20240827-051648 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next patch link: https://lore.kernel.org/r/20240826211358.2694603-2-superm1%40kernel.org patch subject: [PATCH 1/8] x86/amd: Move amd_get_highest_perf() from amd.c to cppc.c config: x86_64-randconfig-074-20240828 (https://download.01.org/0day-ci/archive/20240828/202408281228.SdvJBD9o-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240828/202408281228.SdvJBD9o-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/202408281228.SdvJBD9o-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> arch/x86/kernel/acpi/cppc.c:120:5: error: redefinition of 'amd_get_highest_perf' 120 | u32 amd_get_highest_perf(void) | ^~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/cpufeature.h:5, from arch/x86/include/asm/thread_info.h:59, from include/linux/thread_info.h:60, from include/linux/spinlock.h:60, from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/slab.h:16, from include/linux/resource_ext.h:11, from include/linux/acpi.h:13, from include/acpi/cppc_acpi.h:13, from arch/x86/kernel/acpi/cppc.c:7: arch/x86/include/asm/processor.h:708:19: note: previous definition of 'amd_get_highest_perf' with type 'u32(void)' {aka 'unsigned int(void)'} 708 | static inline u32 amd_get_highest_perf(void) { return 0; } | ^~~~~~~~~~~~~~~~~~~~ vim +/amd_get_highest_perf +120 arch/x86/kernel/acpi/cppc.c 119 > 120 u32 amd_get_highest_perf(void) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki