tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git nfsd-v2-disable
head:   a3f1788888a7046773090bd89cff58dcccb1a042
commit: a3f1788888a7046773090bd89cff58dcccb1a042 [21/21] nfsd: allow disabling NFSv2 at compile time
config: arc-randconfig-r023-20221017
compiler: arceb-elf-gcc (GCC) 12.1.0
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://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git/commit/?id=a3f1788888a7046773090bd89cff58dcccb1a042
        git remote add jlayton https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git
        git fetch --no-tags jlayton nfsd-v2-disable
        git checkout a3f1788888a7046773090bd89cff58dcccb1a042
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc 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 >>, old ones prefixed by <<):

>> ERROR: modpost: "nfsd_version2" [fs/nfsd/nfsd.ko] undefined!
>> ERROR: modpost: "nfserrno" [fs/nfsd/nfsd.ko] undefined!

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