tree: git://git.infradead.org/users/hch/misc.git mount-cleanups head: 90b50eed3d34c8d0eb2f67a67a3ad415925c242b commit: aae9e6e3205811caabaad59c19e3b4d6764107f6 [3/5] fs: remove compat_sys_mount config: s390-randconfig-r003-20200914 (attached as .config) compiler: s390-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 git checkout aae9e6e3205811caabaad59c19e3b4d6764107f6 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390 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 >>): s390-linux-ld: arch/s390/kernel/entry.o: in function `sys_call_table_emu': --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org