tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 9dbf40840551df336c95ce2a3adbdd25ed53c0ef commit: df8fa2f1fc4c20cd300855a11b31ba5565f45ac6 [7728/11071] rcuscale: Measure RCU Tasks Trace grace-period kthread CPU time config: microblaze-randconfig-r003-20230620 (https://download.01.org/0day-ci/archive/20230621/202306210727.vqY7wkdG-lkp@xxxxxxxxx/config) compiler: microblaze-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230621/202306210727.vqY7wkdG-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306210727.vqY7wkdG-lkp@xxxxxxxxx/ Note: the linux-next/master HEAD 9dbf40840551df336c95ce2a3adbdd25ed53c0ef builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): >> kernel/rcu/rcuscale.c:301:27: error: 'get_rcu_tasks_gp_kthread' undeclared here (not in a function); did you mean 'get_rcu_tasks_trace_gp_kthread'? 301 | .rso_gp_kthread = get_rcu_tasks_gp_kthread, | ^~~~~~~~~~~~~~~~~~~~~~~~ | get_rcu_tasks_trace_gp_kthread vim +301 kernel/rcu/rcuscale.c 289 290 static struct rcu_scale_ops tasks_ops = { 291 .ptype = RCU_TASKS_FLAVOR, 292 .init = rcu_sync_scale_init, 293 .readlock = tasks_scale_read_lock, 294 .readunlock = tasks_scale_read_unlock, 295 .get_gp_seq = rcu_no_completed, 296 .gp_diff = rcu_seq_diff, 297 .async = call_rcu_tasks, 298 .gp_barrier = rcu_barrier_tasks, 299 .sync = synchronize_rcu_tasks, 300 .exp_sync = synchronize_rcu_tasks, > 301 .rso_gp_kthread = get_rcu_tasks_gp_kthread, 302 .name = "tasks" 303 }; 304 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki