tree:   https://github.com/ammarfaizi2/linux-block paulmck/linux-rcu/dev.2022.12.17a
head:   45206ffe7a2e08f2cb2591fc19d609690761000f
commit: bb9c30c5abc526522856bda8a4d3679810f27286 [119/133] rcutorture: Add test_nmis module parameter
config: s390-defconfig
compiler: s390-linux-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://github.com/ammarfaizi2/linux-block/commit/bb9c30c5abc526522856bda8a4d3679810f27286
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block paulmck/linux-rcu/dev.2022.12.17a
        git checkout bb9c30c5abc526522856bda8a4d3679810f27286
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 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: "dump_cpu_task" [kernel/rcu/rcutorture.ko] undefined!

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