tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git modules/WIP head: d525bf9c75d505af76d3e6759aba116afa78eaf9 commit: 44180b4742e40bb4afc0fb79ed75366411d5fc6c [23/24] ftrace: Merge ftrace_module_{init,enable}() config: powerpc-defconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 44180b4742e40bb4afc0fb79ed75366411d5fc6c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): powerpc64-linux-ld: kernel/module.o: in function `.__se_sys_delete_module': powerpc64-linux-ld: kernel/module.o: in function `.do_init_module': module.c:(.text+0x4bb0): undefined reference to `.ftrace_module_release' powerpc64-linux-ld: kernel/module.o: in function `.load_module': module.c:(.text+0x6b1c): undefined reference to `.ftrace_module_release' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org