On Tue, Apr 20, 2021 at 02:56:30PM +0800, kernel test robot wrote: > Hi Paul, > > FYI, the error/warning still remains. > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > master > head: 7af08140979a6e7e12b78c93b8625c8d25b084e2 > commit: e21408ceec2de5be418efa39feb1e2c00f824a72 rcu-tasks: Add RCU tasks to > rcutorture writer stall output > date: 12 months ago > config: h8300-allnoconfig (attached as .config) > compiler: h8300-linux-gcc (GCC) 9.3.0 > 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e21408ceec2de5be418efa39feb1e2c00f824a72 > git remote add linus > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout e21408ceec2de5be418efa39feb1e2c00f824a72 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 > ARCH=h8300 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <l...@intel.com>
Good catch, fixed with attribution by adding "static inline". Thanx, Paul > All warnings (new ones prefixed by >>): > > In file included from kernel/rcu/update.c:587: > >> kernel/rcu/tasks.h:1031:6: warning: no previous prototype for > >> 'show_rcu_tasks_gp_kthreads' [-Wmissing-prototypes] > 1031 | void show_rcu_tasks_gp_kthreads(void) {} > | ^~~~~~~~~~~~~~~~~~~~~~~~~~ > > > vim +/show_rcu_tasks_gp_kthreads +1031 kernel/rcu/tasks.h > > 1028 > 1029 #else /* #ifdef CONFIG_TASKS_RCU_GENERIC */ > 1030 static inline void rcu_tasks_bootup_oddness(void) {} > > 1031 void show_rcu_tasks_gp_kthreads(void) {} > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org