linux-kernel - [ammarfaizi2-block:palmer/linux/fixes 6/6] arch/riscv/kernel/cpu-hotplug.c:43:9: error: implicit declaration of function 'numa_remove_cpu'; did you mean 'remove

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Date:   Wed, 9 Feb 2022 15:04:27 +0800
From:   kernel test robot <lkp@...el.com>
To:     Pingfan Liu <kernelfans@...il.com>
Cc:     kbuild-all@...ts.01.org,
        GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
        linux-kernel@...r.kernel.org, Palmer Dabbelt <palmer@...osinc.com>
Subject: [ammarfaizi2-block:palmer/linux/fixes 6/6]
 arch/riscv/kernel/cpu-hotplug.c:43:9: error: implicit declaration of
 function 'numa_remove_cpu'; did you mean 'remove_cpu'?

tree:   https://github.com/ammarfaizi2/linux-block palmer/linux/fixes
head:   c3c94752087e789419be7024116c0a7b22883541
commit: c3c94752087e789419be7024116c0a7b22883541 [6/6] riscv: cpu-hotplug: clear cpu from numa map when teardown
config: riscv-randconfig-r042-20220209 (https://download.01.org/0day-ci/archive/20220209/202202091500.dMNAJXAU-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 11.2.0
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://github.com/ammarfaizi2/linux-block/commit/c3c94752087e789419be7024116c0a7b22883541
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block palmer/linux/fixes
        git checkout c3c94752087e789419be7024116c0a7b22883541
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/kernel/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   arch/riscv/kernel/cpu-hotplug.c: In function '__cpu_disable':
>> arch/riscv/kernel/cpu-hotplug.c:43:9: error: implicit declaration of function 'numa_remove_cpu'; did you mean 'remove_cpu'? [-Werror=implicit-function-declaration]
      43 |         numa_remove_cpu(cpu);
         |         ^~~~~~~~~~~~~~~
         |         remove_cpu
   cc1: some warnings being treated as errors


vim +43 arch/riscv/kernel/cpu-hotplug.c

    24	
    25	/*
    26	 * __cpu_disable runs on the processor to be shutdown.
    27	 */
    28	int __cpu_disable(void)
    29	{
    30		int ret = 0;
    31		unsigned int cpu = smp_processor_id();
    32	
    33		if (!cpu_ops[cpu] || !cpu_ops[cpu]->cpu_stop)
    34			return -EOPNOTSUPP;
    35	
    36		if (cpu_ops[cpu]->cpu_disable)
    37			ret = cpu_ops[cpu]->cpu_disable(cpu);
    38	
    39		if (ret)
    40			return ret;
    41	
    42		remove_cpu_topology(cpu);
  > 43		numa_remove_cpu(cpu);
    44		set_cpu_online(cpu, false);
    45		irq_migrate_all_off_this_cpu();
    46	
    47		return ret;
    48	}
    49	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org