tree: https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git modpost-wip head: d37b0bfa125f03dbeb16ee01480bd6d8a69e7ac0 commit: 70ec473283598a6d32c3a36014bae676a5feb39b [26/40] [please ignore] kbuild local test (please ignore 0-day bot report) config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220807/202208072106.I92R3WA8-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git/commit/?id=70ec473283598a6d32c3a36014bae676a5feb39b git remote add masahiroy-kbuild https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git git fetch --no-tags masahiroy-kbuild modpost-wip git checkout 70ec473283598a6d32c3a36014bae676a5feb39b # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> kernel/foo.c:13:6: warning: no previous prototype for 'foo_register' [-Wmissing-prototypes] 13 | void foo_register(void) | ^~~~~~~~~~~~ >> kernel/foo.c:22:13: warning: no previous prototype for 'hoge' [-Wmissing-prototypes] 22 | void __init hoge(void) | ^~~~ -- >> kernel/bar.c:10:5: warning: no previous prototype for 'bar' [-Wmissing-prototypes] 10 | int bar(int *x) | ^~~ vim +/foo_register +13 kernel/foo.c 12 > 13 void foo_register(void) 14 { 15 bar(&foo.y); 16 } 17 18 struct table { 19 void (*callback)(void); 20 }; 21 > 22 void __init hoge(void) 23 {} 24 EXPORT_SYMBOL(hoge); 25 -- 0-DAY CI Kernel Test Service https://01.org/lkp
