tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git modules/WIP head: 21453b24e9eaee832e0dd74437713de44eb2d842 commit: 2768d65c7d43ed1eed92a71592820a16c208ba29 [22/23] ftrace: Merge ftrace_module_{init,enable}() config: i386-randconfig-c003-20200515 (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: git checkout 2768d65c7d43ed1eed92a71592820a16c208ba29 # save the attached .config to linux build tree make ARCH=i386 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 >>, old ones prefixed by <<): ld: kernel/module.o: in function `__ia32_sys_delete_module': module.c:(.text+0x2582): undefined reference to `ftrace_module_release' ld: kernel/module.o: in function `load_module': module.c:(.text+0x41ee): undefined reference to `ftrace_module_release' ld: kernel/module.o: in function `do_init_module': --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org