tree: https://github.com/jpirko/linux_mlxsw net_next_queue head: 155708977245e88ae7b14ead8238a83ad007743d commit: 4a9b9f5dbabac830cad950a4b25d218e2c515541 [12/45] netdevsim: Add dummy psample implementation config: arm-allyesconfig (attached as .config) compiler: arm-linux-gnueabi-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://github.com/jpirko/linux_mlxsw/commit/4a9b9f5dbabac830cad950a4b25d... git remote add jpirko-mlxsw https://github.com/jpirko/linux_mlxsw git fetch --no-tags jpirko-mlxsw net_next_queue git checkout 4a9b9f5dbabac830cad950a4b25d218e2c515541 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 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 >>): arm-linux-gnueabi-ld: drivers/net/netdevsim/psample.o: in function `nsim_dev_psample_report_work': --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org