[kbuild-all] [cxl:preview 54/65] ERROR: modpost: "__umoddi3" [drivers/cxl/cxl_region.ko] undefined!

tree: https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git preview head: edd6d7383869c634498f4b4cb7cf73ca0d460bf3 commit: 272c07117bd268471c338ceffb8e0ac4936d0e09 [54/65] cxl/region: Introduce a cxl_region driver config: i386-randconfig-a005-20220214 (https://download.01.org/0day-ci/archive/20220214/202202141628.XeQ22sHZ-lk...) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project ea071884b0cc7210b3cc5fe858f0e892a779a23b) 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/cxl/cxl.git/commit/?id=27... git remote add cxl https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git git fetch --no-tags cxl preview git checkout 272c07117bd268471c338ceffb8e0ac4936d0e09 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash 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