tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next head: 9bb839a83e1bbbfd4f7f20827aafd0a39fad00c7 commit: 9bb839a83e1bbbfd4f7f20827aafd0a39fad00c7 [19/19] rcuscale: Measure grace-period kthread CPU time config: x86_64-randconfig-x063 compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=9bb839a83e1bbbfd4f7f20827aafd0a39fad00c7 git remote add paulmck-rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git git fetch --no-tags paulmck-rcu rcu/next git checkout 9bb839a83e1bbbfd4f7f20827aafd0a39fad00c7 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash kernel/rcu/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202305190202.SIUCU7Ko-lkp@intel.com/ All errors (new ones prefixed by >>): >> kernel/rcu/rcuscale.c:340:27: error: 'get_rcu_tasks_trace_gp_kthread' undeclared here (not in a function); did you mean 'show_rcu_tasks_trace_gp_kthread'? 340 | .rso_gp_kthread = get_rcu_tasks_trace_gp_kthread, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | show_rcu_tasks_trace_gp_kthread vim +340 kernel/rcu/rcuscale.c 328 329 static struct rcu_scale_ops tasks_tracing_ops = { 330 .ptype = RCU_TASKS_FLAVOR, 331 .init = rcu_sync_scale_init, 332 .readlock = tasks_trace_scale_read_lock, 333 .readunlock = tasks_trace_scale_read_unlock, 334 .get_gp_seq = rcu_no_completed, 335 .gp_diff = rcu_seq_diff, 336 .async = call_rcu_tasks_trace, 337 .gp_barrier = rcu_barrier_tasks_trace, 338 .sync = synchronize_rcu_tasks_trace, 339 .exp_sync = synchronize_rcu_tasks_trace, > 340 .rso_gp_kthread = get_rcu_tasks_trace_gp_kthread, 341 .name = "tasks-tracing" 342 }; 343 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki