[arm:aarch64/hotplug-vcpu/v6.6-rc5 31/33] acpi_processor.c:undefined reference to `arch_unregister_cpu'

[kernel test robot]

tree:   git://git.armlinux.org.uk/~rmk/linux-arm.git aarch64/hotplug-vcpu/v6.6-rc5
head:   172379926d6aed66b10f7cf1c954bc40a3684241
commit: 279ddae0aef8988861d8f41574994805885ce78e [31/33] ACPI: add support to register CPUs based on the _STA enabled bit
config: loongarch-allnoconfig (https://download.01.org/0day-ci/archive/20231013/202310132342.nNTo2Coa-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231013/202310132342.nNTo2Coa-lkp@intel.com/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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310132342.nNTo2Coa-lkp@intel.com/

All errors (new ones prefixed by >>):

   loongarch64-linux-ld: drivers/acpi/acpi_processor.o: in function `.L59':
>> acpi_processor.c:(.text+0x25c): undefined reference to `arch_unregister_cpu'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki