[morse:virtual_cpu_hotplug/rfc/v1 8/32] arch/x86/kernel/topology.c:147:49: error: no member named 'cpu' in 'struct cpu'

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git virtual_cpu_hotplug/rfc/v1
head:   81295db7555df74bd02dab0b7e87b512d3a3de34
commit: bbbbfae28e723520ab31d000146207547cc62124 [8/32] x86/topology: Switch over to GENERIC_CPU_DEVICES
config: x86_64-randconfig-a001 (https://download.01.org/0day-ci/archive/20230205/202302050422.aKurEcYI-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git/commit/?id=bbbbfae28e723520ab31d000146207547cc62124
        git remote add morse https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git
        git fetch --no-tags morse virtual_cpu_hotplug/rfc/v1
        git checkout bbbbfae28e723520ab31d000146207547cc62124
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   arch/x86/kernel/topology.c:145:19: error: static declaration of 'arch_register_cpu' follows non-static declaration
   static int __init arch_register_cpu(int num)
                     ^
   include/linux/cpu.h:78:12: note: previous declaration is here
   extern int arch_register_cpu(int cpu);
              ^
>> arch/x86/kernel/topology.c:147:49: error: no member named 'cpu' in 'struct cpu'
           return register_cpu(&per_cpu(cpu_devices, num).cpu, num);
                                ~~~~~~~~~~~~~~~~~~~~~~~~~ ^
   2 errors generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for ACPI_HOTPLUG_CPU
   Depends on [n]: ACPI [=y] && ACPI_PROCESSOR [=y] && HOTPLUG_CPU [=n]
   Selected by [y]:
   - X86 [=y] && ACPI [=y]


vim +147 arch/x86/kernel/topology.c

271eb5c588e5d0a Jaswinder Singh Rajput 2009-03-21  144  
d987402695f16ae Alexander van Heukelum 2008-02-01  145  static int __init arch_register_cpu(int num)
3eaf5efae72b33b Sam Ravnborg           2008-01-30  146  {
3eaf5efae72b33b Sam Ravnborg           2008-01-30 @147  	return register_cpu(&per_cpu(cpu_devices, num).cpu, num);

:::::: The code at line 147 was first introduced by commit
:::::: 3eaf5efae72b33bc6132e9590e5d4bf11532f8c4 x86: fix section mismatch warning in topology.c

:::::: TO: Sam Ravnborg <sam@ravnborg.org>
:::::: CC: Ingo Molnar <mingo@elte.hu>

-- 
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https://github.com/intel/lkp-tests