367 	int cpu;  in rcu_dump_cpu_stacks()  local
373 		for_each_leaf_node_possible_cpu(rnp, cpu)  in rcu_dump_cpu_stacks()
374 			if (rnp->qsmask & leaf_node_cpu_bit(rnp, cpu)) {  in rcu_dump_cpu_stacks()
375 				if (cpu_is_offline(cpu))  in rcu_dump_cpu_stacks()
376 					pr_err("Offline CPU %d blocking current GP.\n", cpu);  in rcu_dump_cpu_stacks()
378 					dump_cpu_task(cpu);  in rcu_dump_cpu_stacks()
418 	int cpu;  in rcu_is_rcuc_kthread_starving()  local
426 	cpu = task_cpu(rcuc);  in rcu_is_rcuc_kthread_starving()
427 	if (cpu_is_offline(cpu) || idle_cpu(cpu))  in rcu_is_rcuc_kthread_starving()
448 static void print_cpu_stall_info(int cpu)  in print_cpu_stall_info()  argument
452 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in print_cpu_stall_info()
474 			rcu_dynticks_in_eqs(rcu_dynticks_snap(cpu));  in print_cpu_stall_info()
479 	       cpu,  in print_cpu_stall_info()
480 	       "O."[!!cpu_online(cpu)],  in print_cpu_stall_info()
487 	       rcu_dynticks_snap(cpu) & 0xffff,  in print_cpu_stall_info()
488 	       ct_dynticks_nesting_cpu(cpu), ct_dynticks_nmi_nesting_cpu(cpu),  in print_cpu_stall_info()
489 	       rdp->softirq_snap, kstat_softirqs_cpu(RCU_SOFTIRQ, cpu),  in print_cpu_stall_info()
498 	int cpu;  in rcu_check_gp_kthread_starvation()  local
503 		cpu = gpk ? task_cpu(gpk) : -1;  in rcu_check_gp_kthread_starvation()
510 		       gpk ? data_race(READ_ONCE(gpk->__state)) : ~0, cpu);  in rcu_check_gp_kthread_starvation()
515 			if (cpu >= 0) {  in rcu_check_gp_kthread_starvation()
516 				if (cpu_is_offline(cpu)) {  in rcu_check_gp_kthread_starvation()
517 					pr_err("RCU GP kthread last ran on offline CPU %d.\n", cpu);  in rcu_check_gp_kthread_starvation()
520 					dump_cpu_task(cpu);  in rcu_check_gp_kthread_starvation()
534 	int cpu;  in rcu_check_gp_kthread_expired_fqs_timer()  local
546 		cpu = task_cpu(gpk);  in rcu_check_gp_kthread_expired_fqs_timer()
554 		       cpu, kstat_softirqs_cpu(TIMER_SOFTIRQ, cpu));  in rcu_check_gp_kthread_expired_fqs_timer()
560 	int cpu;  in print_other_cpu_stall()  local
585 			for_each_leaf_node_possible_cpu(rnp, cpu)  in print_other_cpu_stall()
586 				if (rnp->qsmask & leaf_node_cpu_bit(rnp, cpu)) {  in print_other_cpu_stall()
587 					print_cpu_stall_info(cpu);  in print_other_cpu_stall()
595 	for_each_possible_cpu(cpu)  in print_other_cpu_stall()
596 		totqlen += rcu_get_n_cbs_cpu(cpu);  in print_other_cpu_stall()
633 	int cpu;  in print_cpu_stall()  local
656 	for_each_possible_cpu(cpu)  in print_cpu_stall()
657 		totqlen += rcu_get_n_cbs_cpu(cpu);  in print_cpu_stall()
812 	int cpu;  in rcu_check_boost_fail()  local
836 		for_each_leaf_node_possible_cpu(rnp, cpu) {  in rcu_check_boost_fail()
837 			if (rnp->qsmask & (1UL << (cpu - rnp->grplo))) {  in rcu_check_boost_fail()
839 				*cpup = cpu;  in rcu_check_boost_fail()
856 	int cpu;  in show_rcu_gp_kthreads()  local
897 		for_each_leaf_node_possible_cpu(rnp, cpu) {  in show_rcu_gp_kthreads()
898 			rdp = per_cpu_ptr(&rcu_data, cpu);  in show_rcu_gp_kthreads()
904 				cpu, (long)data_race(READ_ONCE(rdp->gp_seq_needed)));  in show_rcu_gp_kthreads()
907 	for_each_possible_cpu(cpu) {  in show_rcu_gp_kthreads()
908 		rdp = per_cpu_ptr(&rcu_data, cpu);  in show_rcu_gp_kthreads()
984 	int cpu;  in rcu_fwd_progress_check()  local
1001 	for_each_possible_cpu(cpu) {  in rcu_fwd_progress_check()
1002 		cbs = rcu_get_n_cbs_cpu(cpu);  in rcu_fwd_progress_check()
1007 		pr_cont(" %d: %lu", cpu, cbs);  in rcu_fwd_progress_check()
1011 		max_cpu = cpu;  in rcu_fwd_progress_check()