Hi Huang, kernel test robot noticed the following build errors: [auto build test ERROR on arm64/for-next/core] [also build test ERROR on driver-core/driver-core-testing driver-core/driver-core-next driver-core/driver-core-linus arnd-asm-generic/master linus/master v6.7-rc1 next-20231115] [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/arm64-irq-set-the-correct-node-for-VMAP-stack/20231114-171932 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core patch link: https://lore.kernel.org/r/20231114091643.59530-1-shijie%40os.amperecomputing.com patch subject: [PATCH] arm64: irq: set the correct node for VMAP stack config: arm64-randconfig-001-20231115 (https://download.01.org/0day-ci/archive/20231115/202311152250.ozO781vZ-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231115/202311152250.ozO781vZ-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/202311152250.ozO781vZ-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): arch/arm64/kernel/irq.c: In function 'init_irq_stacks': >> arch/arm64/kernel/irq.c:60:59: error: implicit declaration of function 'early_cpu_to_node'; did you mean 'early_pfn_to_nid'? [-Werror=implicit-function-declaration] 60 | p = arch_alloc_vmap_stack(IRQ_STACK_SIZE, early_cpu_to_node(cpu)); | ^~~~~~~~~~~~~~~~~ | early_pfn_to_nid cc1: some warnings being treated as errors vim +60 arch/arm64/kernel/irq.c 52 53 #ifdef CONFIG_VMAP_STACK 54 static void init_irq_stacks(void) 55 { 56 int cpu; 57 unsigned long *p; 58 59 for_each_possible_cpu(cpu) { > 60 p = arch_alloc_vmap_stack(IRQ_STACK_SIZE, early_cpu_to_node(cpu)); 61 per_cpu(irq_stack_ptr, cpu) = p; 62 } 63 } 64 #else 65 /* irq stack only needs to be 16 byte aligned - not IRQ_STACK_SIZE aligned. */ 66 DEFINE_PER_CPU_ALIGNED(unsigned long [IRQ_STACK_SIZE/sizeof(long)], irq_stack); 67 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki