79 static DEFINE_PER_CPU_SHARED_ALIGNED(struct rcu_data, rcu_data) = {
150 static void rcu_report_exp_rdp(struct rcu_data *rdp);
152 static void check_cb_ovld_locked(struct rcu_data *rdp, struct rcu_node *rnp);
153 static bool rcu_rdp_is_offloaded(struct rcu_data *rdp);
154 static bool rcu_rdp_cpu_online(struct rcu_data *rdp);
236 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_get_n_cbs_cpu()
291 static bool rcu_dynticks_in_eqs_since(struct rcu_data *rdp, int snap)  in rcu_dynticks_in_eqs_since()
330 	raw_cpu_write(rcu_data.rcu_need_heavy_qs, false);  in rcu_momentary_dyntick_idle()
476 static void force_qs_rnp(int (*f)(struct rcu_data *rdp));
549 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in rcu_irq_work_resched()
612 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in __rcu_irq_enter_check_tick()
660 	return !rcu_segcblist_empty(&this_cpu_ptr(&rcu_data)->cblist) &&  in rcu_needs_cpu()
661 		!rcu_rdp_is_offloaded(this_cpu_ptr(&rcu_data));  in rcu_needs_cpu()
669 static void rcu_disable_urgency_upon_qs(struct rcu_data *rdp)  in rcu_disable_urgency_upon_qs()
721 	smp_store_release(per_cpu_ptr(&rcu_data.rcu_urgent_qs, cpu), true);  in rcu_request_urgent_qs_task()
731 static void rcu_gpnum_ovf(struct rcu_node *rnp, struct rcu_data *rdp)  in rcu_gpnum_ovf()
746 static int dyntick_save_progress_counter(struct rcu_data *rdp)  in dyntick_save_progress_counter()
767 static int rcu_implicit_dynticks_qs(struct rcu_data *rdp)  in rcu_implicit_dynticks_qs()
904 static void trace_rcu_this_gp(struct rcu_node *rnp, struct rcu_data *rdp,  in trace_rcu_this_gp()
928 static bool rcu_start_this_gp(struct rcu_node *rnp_start, struct rcu_data *rdp,  in rcu_start_this_gp()
1006 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in rcu_future_gp_cleanup()
1087 static bool rcu_accelerate_cbs(struct rcu_node *rnp, struct rcu_data *rdp)  in rcu_accelerate_cbs()
1134 					struct rcu_data *rdp)  in rcu_accelerate_cbs_unlocked()
1163 static bool rcu_advance_cbs(struct rcu_node *rnp, struct rcu_data *rdp)  in rcu_advance_cbs()
1187 						  struct rcu_data *rdp)  in rcu_advance_cbs_nowake()
1217 static bool __note_gp_changes(struct rcu_node *rnp, struct rcu_data *rdp)  in __note_gp_changes()
1266 static void note_gp_changes(struct rcu_data *rdp)  in note_gp_changes()
1433 	struct rcu_data *rdp;  in rcu_gp_init()
1540 		rdp = this_cpu_ptr(&rcu_data);  in rcu_gp_init()
1725 	struct rcu_data *rdp;  in rcu_gp_cleanup()
1766 		rdp = this_cpu_ptr(&rcu_data);  in rcu_gp_cleanup()
1774 				rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_gp_cleanup()
1793 	rdp = this_cpu_ptr(&rcu_data);  in rcu_gp_cleanup()
2009 rcu_report_qs_rdp(struct rcu_data *rdp)  in rcu_report_qs_rdp()
2077 rcu_check_quiescent_state(struct rcu_data *rdp)  in rcu_check_quiescent_state()
2119 static void rcu_do_batch(struct rcu_data *rdp)  in rcu_do_batch()
2274 		WARN_ON_ONCE(time_before(j, __this_cpu_read(rcu_data.last_sched_clock)));  in rcu_sched_clock_irq()
2275 		__this_cpu_write(rcu_data.last_sched_clock, j);  in rcu_sched_clock_irq()
2279 	raw_cpu_inc(rcu_data.ticks_this_gp);  in rcu_sched_clock_irq()
2281 	if (smp_load_acquire(this_cpu_ptr(&rcu_data.rcu_urgent_qs))) {  in rcu_sched_clock_irq()
2287 		__this_cpu_write(rcu_data.rcu_urgent_qs, false);  in rcu_sched_clock_irq()
2306 static void force_qs_rnp(int (*f)(struct rcu_data *rdp))  in force_qs_rnp()
2336 			struct rcu_data *rdp;  in force_qs_rnp()
2339 			rdp = per_cpu_ptr(&rcu_data, cpu);  in force_qs_rnp()
2373 	rnp = raw_cpu_read(rcu_data.mynode);  in rcu_force_quiescent_state()
2411 	struct rcu_data *rdp = raw_cpu_ptr(&rcu_data);  in rcu_core()
2498 	__this_cpu_write(rcu_data.rcu_cpu_has_work, 1);  in invoke_rcu_core_kthread()
2499 	t = __this_cpu_read(rcu_data.rcu_cpu_kthread_task);  in invoke_rcu_core_kthread()
2501 		rcu_wake_cond(t, __this_cpu_read(rcu_data.rcu_cpu_kthread_status));  in invoke_rcu_core_kthread()
2520 	per_cpu(rcu_data.rcu_cpu_kthread_status, cpu) = RCU_KTHREAD_OFFCPU;  in rcu_cpu_kthread_park()
2525 	return __this_cpu_read(rcu_data.rcu_cpu_has_work);  in rcu_cpu_kthread_should_run()
2535 	unsigned int *statusp = this_cpu_ptr(&rcu_data.rcu_cpu_kthread_status);  in rcu_cpu_kthread()
2536 	char work, *workp = this_cpu_ptr(&rcu_data.rcu_cpu_has_work);  in rcu_cpu_kthread()
2537 	unsigned long *j = this_cpu_ptr(&rcu_data.rcuc_activity);  in rcu_cpu_kthread()
2567 	.store			= &rcu_data.rcu_cpu_kthread_task,
2583 		per_cpu(rcu_data.rcu_cpu_has_work, cpu) = 0;  in rcu_spawn_core_kthreads()
2594 static void __call_rcu_core(struct rcu_data *rdp, struct rcu_head *head,  in __call_rcu_core()
2649 static void check_cb_ovld_locked(struct rcu_data *rdp, struct rcu_node *rnp)  in check_cb_ovld_locked()
2672 static void check_cb_ovld(struct rcu_data *rdp)  in check_cb_ovld()
2691 	struct rcu_data *rdp;  in __call_rcu_common()
2714 	rdp = this_cpu_ptr(&rcu_data);  in __call_rcu_common()
3628 	for (rnp = this_cpu_ptr(&rcu_data)->mynode; rnp; rnp = rnp->parent)  in synchronize_rcu()
3705 	struct rcu_data *rdp;  in start_poll_synchronize_rcu_common()
3710 	rdp = this_cpu_ptr(&rcu_data);  in start_poll_synchronize_rcu_common()
3923 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in rcu_pending()
3999 static void rcu_barrier_entrain(struct rcu_data *rdp)  in rcu_barrier_entrain()
4039 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_barrier_handler()
4062 	struct rcu_data *rdp;  in rcu_barrier()
4101 		rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_barrier()
4143 		rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_barrier()
4169 static bool rcu_rdp_cpu_online(struct rcu_data *rdp)  in rcu_rdp_cpu_online()
4176 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_cpu_online()
4198 	struct rcu_data *rdp;  in rcu_lockdep_current_cpu_online()
4204 	rdp = this_cpu_ptr(&rcu_data);  in rcu_lockdep_current_cpu_online()
4235 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_dying_cpu()
4344 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_boot_init_percpu_data()
4375 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_prepare_cpu()
4421 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_affinity_setting()
4431 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_cpu_beenfullyonline()
4443 	struct rcu_data *rdp;  in rcutree_online_cpu()
4446 	rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_online_cpu()
4468 	struct rcu_data *rdp;  in rcutree_offline_cpu()
4471 	rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_offline_cpu()
4499 	struct rcu_data *rdp;  in rcu_cpu_starting()
4504 	rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_cpu_starting()
4555 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_report_dead()
4593 	struct rcu_data *my_rdp;  in rcutree_migrate_callbacks()
4595 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_migrate_callbacks()
4605 	my_rdp = this_cpu_ptr(&rcu_data);  in rcutree_migrate_callbacks()
4715 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in rcu_spawn_gp_kthread()
4859 		per_cpu_ptr(&rcu_data, i)->mynode = rnp;  in rcu_init_one()