[kbuild-all] [chao-linux:dev 8/8] ERROR: modpost: "__divdi3" [fs/f2fs/f2fs.ko] undefined!

tree: https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git dev head: fe65b379b7ac67cede446fa57c64d7bb1f8eacdb commit: fe65b379b7ac67cede446fa57c64d7bb1f8eacdb [8/8] f2fs: support migrating swapfile in aligned write mode config: m68k-allmodconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 9.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?id... git remote add chao-linux https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git git fetch --no-tags chao-linux dev git checkout fe65b379b7ac67cede446fa57c64d7bb1f8eacdb # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org