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SubjectRe: [PATCH -next] smp: Move stub from main.c into smp.h
Hi Yue,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on next-20220527]

url: https://github.com/intel-lab-lkp/linux/commits/Yue-Zou/smp-Move-stub-from-main-c-into-smp-h/20220528-185146
base: d3fde8ff50ab265749704bd7fbcf70d35235421f
config: arc-randconfig-r043-20220526 (https://download.01.org/0day-ci/archive/20220528/202205282043.QMZuMrL0-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 11.3.0
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/intel-lab-lkp/linux/commit/2efe286bd89edfa5448d29a5be89fd54df424c46
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Yue-Zou/smp-Move-stub-from-main-c-into-smp-h/20220528-185146
git checkout 2efe286bd89edfa5448d29a5be89fd54df424c46
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash lib/

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 >>):

In file included from include/linux/lockdep.h:14,
from include/linux/spinlock.h:62,
from include/linux/kref.h:16,
from include/linux/mm_types.h:8,
from include/linux/buildid.h:5,
from include/linux/module.h:14,
from lib/test_bitops.c:9:
>> include/linux/smp.h:186:27: error: 'setup_max_cpus' defined but not used [-Werror=unused-const-variable=]
186 | static const unsigned int setup_max_cpus = NR_CPUS;
| ^~~~~~~~~~~~~~
cc1: all warnings being treated as errors


vim +/setup_max_cpus +186 include/linux/smp.h

185
> 186 static const unsigned int setup_max_cpus = NR_CPUS;
187 static inline void setup_nr_cpu_ids(void) { }
188 static inline void smp_prepare_cpus(unsigned int maxcpus) { }
189

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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