Hi Joe, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on shuah-kselftest/next] [also build test WARNING on linux/master masahiroy-kbuild/for-next linus/master v5.17-rc4] [cannot apply to next-20220216] [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/Joe-Lawrence/livepatch-klp-conve... base: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220217/202202171022.bSGoBUDk-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/290c0e05d31c5bae75aede8758efb48f5... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Joe-Lawrence/livepatch-klp-convert-tool/20220217-004100 git checkout 290c0e05d31c5bae75aede8758efb48f52751fea # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash lib/livepatch/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): lib/livepatch/test_klp_convert1.c:11:6: warning: no previous prototype for 'print_saved_command_line' [-Wmissing-prototypes] 11 | void print_saved_command_line(void) | ^~~~~~~~~~~~~~~~~~~~~~~~ lib/livepatch/test_klp_convert1.c:16:6: warning: no previous prototype for 'print_driver_name' [-Wmissing-prototypes] 16 | void print_driver_name(void) | ^~~~~~~~~~~~~~~~~ lib/livepatch/test_klp_convert1.c:22:6: warning: no previous prototype for 'print_homonym_string' [-Wmissing-prototypes] 22 | void print_homonym_string(void) | ^~~~~~~~~~~~~~~~~~~~ 28 | void print_static_strings(void) | ^~~~~~~~~~~~~~~~~~~~ vim +/print_static_strings +28 lib/livepatch/test_klp_convert1.c 27 29 { 30 pr_info("klp_string.12345 = %s\n", klp_string_a); 31 pr_info("klp_string.67890 = %s\n", klp_string_b); 32 } 33 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org