Hi "Tzvetomir, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on v5.14-rc5] [also build test ERROR on next-20210810] [cannot apply to tip/perf/core] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Tzvetomir-Stoyanov-VMware/trace-... base: 36a21d51725af2ce0700c6ebcb6b9594aac658a6 config: microblaze-randconfig-c023-20210811 (attached as .config) compiler: microblaze-linux-gcc (GCC) 10.3.0 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/0day-ci/linux/commit/1c1c02a4ad23d5bbc4c2de9dfd125e3be... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Tzvetomir-Stoyanov-VMware/trace-Add-kprobe-on-tracepoint/20210811-110525 git checkout 1c1c02a4ad23d5bbc4c2de9dfd125e3be33de636 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=microblaze SHELL=/bin/bash 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 >>): microblaze-linux-ld: kernel/trace/trace_eprobe.o: in function `eprobe_dyn_event_create': (.text+0x290): undefined reference to `trace_probe_create' microblaze-linux-ld: kernel/trace/trace_eprobe.o: in function `kprobe_event_define_fields': (.text+0x324): undefined reference to `traceprobe_define_arg_fields' microblaze-linux-ld: kernel/trace/trace_eprobe.o: in function `alloc_event_probe': (.text+0x41c): undefined reference to `trace_probe_init' microblaze-linux-ld: kernel/trace/trace_eprobe.o: in function `enable_trace_eprobe': (.text+0x130c): undefined reference to `trace_probe_add_file' microblaze-linux-ld: (.text+0x1520): undefined reference to `trace_probe_remove_file' microblaze-linux-ld: kernel/trace/trace_eprobe.o: in function `eprobe_register': (.text+0x15fc): undefined reference to `trace_probe_get_file_link' microblaze-linux-ld: (.text+0x1638): undefined reference to `trace_probe_remove_file' microblaze-linux-ld: kernel/trace/trace_eprobe.o: in function `unregister_trace_eprobe': (.text+0x17c8): undefined reference to `trace_probe_unlink' microblaze-linux-ld: kernel/trace/trace_eprobe.o: in function `eprobe_dyn_event_match': (.text+0x19c8): undefined reference to `trace_probe_match_command_args' microblaze-linux-ld: kernel/trace/trace_eprobe.o: in function `eprobe_dyn_event_release': (.text+0x1b3c): undefined reference to `trace_probe_cleanup' microblaze-linux-ld: kernel/trace/trace_eprobe.o: in function `__trace_eprobe_create': (.text+0x1c2c): undefined reference to `trace_probe_log_init' microblaze-linux-ld: (.text+0x1c6c): undefined reference to `traceprobe_parse_event_name' microblaze-linux-ld: (.text+0x1f2c): undefined reference to `traceprobe_parse_event_name' microblaze-linux-ld: (.text+0x22d0): undefined reference to `traceprobe_parse_probe_arg' microblaze-linux-ld: (.text+0x2318): undefined reference to `traceprobe_set_print_fmt' microblaze-linux-ld: (.text+0x2378): undefined reference to `trace_probe_register_event_call' microblaze-linux-ld: (.text+0x2404): undefined reference to `trace_probe_cleanup' microblaze-linux-ld: kernel/trace/trace_eprobe.o: in function `trace_events_eprobe_init_early': (.init.text+0x14): undefined reference to `dyn_event_register' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org