80 static DEFINE_PER_CPU_SHARED_ALIGNED(struct rcu_data, rcu_data) = {
153 static void rcu_report_exp_rdp(struct rcu_data *rdp);
155 static void check_cb_ovld_locked(struct rcu_data *rdp, struct rcu_node *rnp);
156 static bool rcu_rdp_is_offloaded(struct rcu_data *rdp);
157 static bool rcu_rdp_cpu_online(struct rcu_data *rdp);
222 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_get_n_cbs_cpu()
303 static bool rcu_watching_snap_stopped_since(struct rcu_data *rdp, int snap)  in rcu_watching_snap_stopped_since()
353 	raw_cpu_write(rcu_data.rcu_need_heavy_qs, false);  in rcu_momentary_eqs()
499 static void force_qs_rnp(int (*f)(struct rcu_data *rdp));
585 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in rcu_irq_work_resched()
648 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in __rcu_irq_enter_check_tick()
696 	return !rcu_segcblist_empty(&this_cpu_ptr(&rcu_data)->cblist) &&  in rcu_needs_cpu()
697 		!rcu_rdp_is_offloaded(this_cpu_ptr(&rcu_data));  in rcu_needs_cpu()
705 static void rcu_disable_urgency_upon_qs(struct rcu_data *rdp)  in rcu_disable_urgency_upon_qs()
757 	smp_store_release(per_cpu_ptr(&rcu_data.rcu_urgent_qs, cpu), true);  in rcu_request_urgent_qs_task()
767 static void rcu_gpnum_ovf(struct rcu_node *rnp, struct rcu_data *rdp)  in rcu_gpnum_ovf()
782 static int rcu_watching_snap_save(struct rcu_data *rdp)  in rcu_watching_snap_save()
814 static int rcu_watching_snap_recheck(struct rcu_data *rdp)  in rcu_watching_snap_recheck()
951 static void trace_rcu_this_gp(struct rcu_node *rnp, struct rcu_data *rdp,  in trace_rcu_this_gp()
975 static bool rcu_start_this_gp(struct rcu_node *rnp_start, struct rcu_data *rdp,  in rcu_start_this_gp()
1053 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in rcu_future_gp_cleanup()
1134 static bool rcu_accelerate_cbs(struct rcu_node *rnp, struct rcu_data *rdp)  in rcu_accelerate_cbs()
1181 					struct rcu_data *rdp)  in rcu_accelerate_cbs_unlocked()
1210 static bool rcu_advance_cbs(struct rcu_node *rnp, struct rcu_data *rdp)  in rcu_advance_cbs()
1234 						  struct rcu_data *rdp)  in rcu_advance_cbs_nowake()
1264 static bool __note_gp_changes(struct rcu_node *rnp, struct rcu_data *rdp)  in __note_gp_changes()
1313 static void note_gp_changes(struct rcu_data *rdp)  in note_gp_changes()
1798 	struct rcu_data *rdp;  in rcu_gp_init()
1924 		rdp = this_cpu_ptr(&rcu_data);  in rcu_gp_init()
2108 	struct rcu_data *rdp;  in rcu_gp_cleanup()
2149 		rdp = this_cpu_ptr(&rcu_data);  in rcu_gp_cleanup()
2157 				rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_gp_cleanup()
2176 	rdp = this_cpu_ptr(&rcu_data);  in rcu_gp_cleanup()
2394 rcu_report_qs_rdp(struct rcu_data *rdp)  in rcu_report_qs_rdp()
2449 rcu_check_quiescent_state(struct rcu_data *rdp)  in rcu_check_quiescent_state()
2491 static void rcu_do_batch(struct rcu_data *rdp)  in rcu_do_batch()
2653 		WARN_ON_ONCE(time_before(j, __this_cpu_read(rcu_data.last_sched_clock)));  in rcu_sched_clock_irq()
2654 		__this_cpu_write(rcu_data.last_sched_clock, j);  in rcu_sched_clock_irq()
2658 	raw_cpu_inc(rcu_data.ticks_this_gp);  in rcu_sched_clock_irq()
2660 	if (smp_load_acquire(this_cpu_ptr(&rcu_data.rcu_urgent_qs))) {  in rcu_sched_clock_irq()
2666 		__this_cpu_write(rcu_data.rcu_urgent_qs, false);  in rcu_sched_clock_irq()
2685 static void force_qs_rnp(int (*f)(struct rcu_data *rdp))  in force_qs_rnp()
2715 			struct rcu_data *rdp;  in force_qs_rnp()
2718 			rdp = per_cpu_ptr(&rcu_data, cpu);  in force_qs_rnp()
2754 	rnp = raw_cpu_read(rcu_data.mynode);  in rcu_force_quiescent_state()
2791 	struct rcu_data *rdp = raw_cpu_ptr(&rcu_data);  in rcu_core()
2860 	__this_cpu_write(rcu_data.rcu_cpu_has_work, 1);  in invoke_rcu_core_kthread()
2861 	t = __this_cpu_read(rcu_data.rcu_cpu_kthread_task);  in invoke_rcu_core_kthread()
2863 		rcu_wake_cond(t, __this_cpu_read(rcu_data.rcu_cpu_kthread_status));  in invoke_rcu_core_kthread()
2882 	per_cpu(rcu_data.rcu_cpu_kthread_status, cpu) = RCU_KTHREAD_OFFCPU;  in rcu_cpu_kthread_park()
2887 	return __this_cpu_read(rcu_data.rcu_cpu_has_work);  in rcu_cpu_kthread_should_run()
2897 	unsigned int *statusp = this_cpu_ptr(&rcu_data.rcu_cpu_kthread_status);  in rcu_cpu_kthread()
2898 	char work, *workp = this_cpu_ptr(&rcu_data.rcu_cpu_has_work);  in rcu_cpu_kthread()
2899 	unsigned long *j = this_cpu_ptr(&rcu_data.rcuc_activity);  in rcu_cpu_kthread()
2929 	.store			= &rcu_data.rcu_cpu_kthread_task,
2945 		per_cpu(rcu_data.rcu_cpu_has_work, cpu) = 0;  in rcu_spawn_core_kthreads()
2953 static void rcutree_enqueue(struct rcu_data *rdp, struct rcu_head *head, rcu_callback_t func)  in rcutree_enqueue()
2964 static void call_rcu_core(struct rcu_data *rdp, struct rcu_head *head,  in call_rcu_core()
3020 static void check_cb_ovld_locked(struct rcu_data *rdp, struct rcu_node *rnp)  in check_cb_ovld_locked()
3043 static void check_cb_ovld(struct rcu_data *rdp)  in check_cb_ovld()
3062 	struct rcu_data *rdp;  in __call_rcu_common()
3085 	rdp = this_cpu_ptr(&rcu_data);  in __call_rcu_common()
3333 	for (rnp = this_cpu_ptr(&rcu_data)->mynode; rnp; rnp = rnp->parent)  in synchronize_rcu()
3413 	struct rcu_data *rdp;  in start_poll_synchronize_rcu_common()
3417 	rdp = this_cpu_ptr(&rcu_data);  in start_poll_synchronize_rcu_common()
3624 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in rcu_pending()
3705 static void rcu_barrier_entrain(struct rcu_data *rdp)  in rcu_barrier_entrain()
3745 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_barrier_handler()
3768 	struct rcu_data *rdp;  in rcu_barrier()
3807 		rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_barrier()
3849 		rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_barrier()
3951 static bool rcu_rdp_cpu_online(struct rcu_data *rdp)  in rcu_rdp_cpu_online()
3958 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_cpu_online()
3980 	struct rcu_data *rdp;  in rcu_lockdep_current_cpu_online()
3986 	rdp = this_cpu_ptr(&rcu_data);  in rcu_lockdep_current_cpu_online()
4090 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_boot_init_percpu_data()
4190 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_prepare_cpu()
4237 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_cpu_beenfullyonline()
4249 	struct rcu_data *rdp;  in rcutree_online_cpu()
4252 	rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_online_cpu()
4283 	struct rcu_data *rdp;  in rcutree_report_cpu_starting()
4288 	rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_report_cpu_starting()
4341 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in rcutree_report_cpu_dead()
4381 	struct rcu_data *my_rdp;  in rcutree_migrate_callbacks()
4383 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_migrate_callbacks()
4397 	my_rdp = this_cpu_ptr(&rcu_data);  in rcutree_migrate_callbacks()
4451 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_dying_cpu()
4467 	struct rcu_data *rdp;  in rcutree_offline_cpu()
4470 	rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_offline_cpu()
4515 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in rcu_spawn_gp_kthread()
4659 		per_cpu_ptr(&rcu_data, i)->mynode = rnp;  in rcu_init_one()
4660 		per_cpu_ptr(&rcu_data, i)->barrier_head.next =  in rcu_init_one()
4661 			&per_cpu_ptr(&rcu_data, i)->barrier_head;  in rcu_init_one()