Hi Michael, kernel test robot noticed the following build errors:
[auto build test ERROR on tip/master] [also build test ERROR on linus/master v7.1-rc5 next-20260522] [cannot apply to tip/x86/core arnd-asm-generic/master 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/Michael-Kelley/x86-hyperv-Refactor-hv_smp_prepare_cpus/20260522-032610 base: tip/master patch link: https://lore.kernel.org/r/20260521192336.99623-1-mhklkml%40zohomail.com patch subject: [PATCH 1/1] x86/hyperv: Refactor hv_smp_prepare_cpus() config: x86_64-randconfig-076-20260524 (https://download.01.org/0day-ci/archive/20260525/[email protected]/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260525/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): >> drivers/hv/hv_proc.c:303:55: error: call to undeclared function >> 'cpu_physical_id'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 303 | ret = hv_call_add_logical_proc(numa_cpu_node(i), i, cpu_physical_id(i)); | ^ 1 error generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for MFD_STMFX Depends on [n]: HAS_IOMEM [=y] && I2C [=y] && OF [=n] Selected by [y]: - PINCTRL_STMFX [=y] && PINCTRL [=y] && I2C [=y] && HAS_IOMEM [=y] vim +/cpu_physical_id +303 drivers/hv/hv_proc.c 290 291 void hv_smp_prep_cpus(void) 292 { 293 #ifdef CONFIG_X86_64 294 int i, ret; 295 296 /* If AP LPs exist, we are in a kexec'd kernel and VPs already exist */ 297 if (num_present_cpus() == 1 || hv_lp_exists(1)) 298 return; 299 300 for_each_present_cpu(i) { 301 if (i == 0) 302 continue; > 303 ret = hv_call_add_logical_proc(numa_cpu_node(i), i, > cpu_physical_id(i)); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
