Hi Huang, kernel test robot noticed the following build errors: [auto build test ERROR on driver-core/driver-core-testing] [also build test ERROR on driver-core/driver-core-next driver-core/driver-core-linus akpm-mm/mm-everything linus/master v6.7 next-20240119] [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/Huang-Shijie/NUMA-Early-use-of-cpu_to_node-returns-0-instead-of-the-correct-node-id/20240119-113623 base: driver-core/driver-core-testing patch link: https://lore.kernel.org/r/20240119033227.14113-1-shijie%40os.amperecomputing.com patch subject: [PATCH] NUMA: Early use of cpu_to_node() returns 0 instead of the correct node id config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20240120/202401200006.wOMN1YgH-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240120/202401200006.wOMN1YgH-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/202401200006.wOMN1YgH-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): ld: vmlinux.o: in function `rapl_cpu_online': >> rapl.c:(.text+0x75ec): undefined reference to `cpu_to_node' ld: vmlinux.o: in function `amd_pmu_cpu_prepare': >> core.c:(.text+0x8580): undefined reference to `cpu_to_node' >> ld: core.c:(.text+0x85d6): undefined reference to `cpu_to_node' ld: vmlinux.o: in function `amd_uncore_ctx_init.part.0': >> uncore.c:(.text+0xc3bd): undefined reference to `cpu_to_node' ld: vmlinux.o: in function `intel_cpuc_prepare': >> (.text+0x129ee): undefined reference to `cpu_to_node' ld: vmlinux.o:(.text+0x12a71): more undefined references to `cpu_to_node' follow ld: vmlinux.o: in function `kernel_init_freeable': >> main.c:(.init.text+0x1240): undefined reference to `_cpu_to_node' ld: vmlinux.o: in function `check_timer': >> io_apic.c:(.init.text+0x1ec1d): undefined reference to `cpu_to_node' ld: vmlinux.o: in function `kvm_alloc_cpumask': >> kvm.c:(.init.text+0x21678): undefined reference to `cpu_to_node' ld: vmlinux.o: in function `fork_idle': >> (.init.text+0x28fe2): undefined reference to `cpu_to_node' ld: vmlinux.o: in function `cpus_share_numa': >> workqueue.c:(.init.text+0x2a4c8): undefined reference to `cpu_to_node' >> ld: workqueue.c:(.init.text+0x2a4d8): undefined reference to `cpu_to_node' ld: vmlinux.o:workqueue.c:(.init.text+0x2a7bc): more undefined references to `cpu_to_node' follow -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
