78 static DEFINE_PER_CPU_SHARED_ALIGNED(struct rcu_data, rcu_data) = {
151 static void rcu_report_exp_rdp(struct rcu_data *rdp);
153 static void check_cb_ovld_locked(struct rcu_data *rdp, struct rcu_node *rnp);
154 static bool rcu_rdp_is_offloaded(struct rcu_data *rdp);
233 static bool rcu_rdp_cpu_online(struct rcu_data *rdp)  in rcu_rdp_cpu_online()
254 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_get_n_cbs_cpu()
315 static bool rcu_dynticks_in_eqs_since(struct rcu_data *rdp, int snap)  in rcu_dynticks_in_eqs_since()
354 	raw_cpu_write(rcu_data.rcu_need_heavy_qs, false);  in rcu_momentary_dyntick_idle()
500 static void force_qs_rnp(int (*f)(struct rcu_data *rdp));
573 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in rcu_irq_work_resched()
636 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in __rcu_irq_enter_check_tick()
683 	return !rcu_segcblist_empty(&this_cpu_ptr(&rcu_data)->cblist) &&  in rcu_needs_cpu()
684 		!rcu_rdp_is_offloaded(this_cpu_ptr(&rcu_data));  in rcu_needs_cpu()
692 static void rcu_disable_urgency_upon_qs(struct rcu_data *rdp)  in rcu_disable_urgency_upon_qs()
740 	smp_store_release(per_cpu_ptr(&rcu_data.rcu_urgent_qs, cpu), true);  in rcu_request_urgent_qs_task()
760 	struct rcu_data *rdp;  in rcu_lockdep_current_cpu_online()
766 	rdp = this_cpu_ptr(&rcu_data);  in rcu_lockdep_current_cpu_online()
790 static void rcu_gpnum_ovf(struct rcu_node *rnp, struct rcu_data *rdp)  in rcu_gpnum_ovf()
805 static int dyntick_save_progress_counter(struct rcu_data *rdp)  in dyntick_save_progress_counter()
822 static int rcu_implicit_dynticks_qs(struct rcu_data *rdp)  in rcu_implicit_dynticks_qs()
940 static void trace_rcu_this_gp(struct rcu_node *rnp, struct rcu_data *rdp,  in trace_rcu_this_gp()
964 static bool rcu_start_this_gp(struct rcu_node *rnp_start, struct rcu_data *rdp,  in rcu_start_this_gp()
1042 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in rcu_future_gp_cleanup()
1091 static bool rcu_accelerate_cbs(struct rcu_node *rnp, struct rcu_data *rdp)  in rcu_accelerate_cbs()
1138 					struct rcu_data *rdp)  in rcu_accelerate_cbs_unlocked()
1167 static bool rcu_advance_cbs(struct rcu_node *rnp, struct rcu_data *rdp)  in rcu_advance_cbs()
1191 						  struct rcu_data *rdp)  in rcu_advance_cbs_nowake()
1221 static bool __note_gp_changes(struct rcu_node *rnp, struct rcu_data *rdp)  in __note_gp_changes()
1270 static void note_gp_changes(struct rcu_data *rdp)  in note_gp_changes()
1442 	struct rcu_data *rdp;  in rcu_gp_init()
1549 		rdp = this_cpu_ptr(&rcu_data);  in rcu_gp_init()
1722 	struct rcu_data *rdp;  in rcu_gp_cleanup()
1763 		rdp = this_cpu_ptr(&rcu_data);  in rcu_gp_cleanup()
1771 				rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_gp_cleanup()
1790 	rdp = this_cpu_ptr(&rcu_data);  in rcu_gp_cleanup()
2006 rcu_report_qs_rdp(struct rcu_data *rdp)  in rcu_report_qs_rdp()
2072 rcu_check_quiescent_state(struct rcu_data *rdp)  in rcu_check_quiescent_state()
2105 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_dying_cpu()
2170 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_dead_cpu()
2188 static void rcu_do_batch(struct rcu_data *rdp)  in rcu_do_batch()
2331 		WARN_ON_ONCE(time_before(j, __this_cpu_read(rcu_data.last_sched_clock)));  in rcu_sched_clock_irq()
2332 		__this_cpu_write(rcu_data.last_sched_clock, j);  in rcu_sched_clock_irq()
2336 	raw_cpu_inc(rcu_data.ticks_this_gp);  in rcu_sched_clock_irq()
2338 	if (smp_load_acquire(this_cpu_ptr(&rcu_data.rcu_urgent_qs))) {  in rcu_sched_clock_irq()
2344 		__this_cpu_write(rcu_data.rcu_urgent_qs, false);  in rcu_sched_clock_irq()
2363 static void force_qs_rnp(int (*f)(struct rcu_data *rdp))  in force_qs_rnp()
2368 	struct rcu_data *rdp;  in force_qs_rnp()
2393 			rdp = per_cpu_ptr(&rcu_data, cpu);  in force_qs_rnp()
2421 	rnp = raw_cpu_read(rcu_data.mynode);  in rcu_force_quiescent_state()
2459 	struct rcu_data *rdp = raw_cpu_ptr(&rcu_data);  in rcu_core()
2546 	__this_cpu_write(rcu_data.rcu_cpu_has_work, 1);  in invoke_rcu_core_kthread()
2547 	t = __this_cpu_read(rcu_data.rcu_cpu_kthread_task);  in invoke_rcu_core_kthread()
2549 		rcu_wake_cond(t, __this_cpu_read(rcu_data.rcu_cpu_kthread_status));  in invoke_rcu_core_kthread()
2568 	per_cpu(rcu_data.rcu_cpu_kthread_status, cpu) = RCU_KTHREAD_OFFCPU;  in rcu_cpu_kthread_park()
2573 	return __this_cpu_read(rcu_data.rcu_cpu_has_work);  in rcu_cpu_kthread_should_run()
2583 	unsigned int *statusp = this_cpu_ptr(&rcu_data.rcu_cpu_kthread_status);  in rcu_cpu_kthread()
2584 	char work, *workp = this_cpu_ptr(&rcu_data.rcu_cpu_has_work);  in rcu_cpu_kthread()
2585 	unsigned long *j = this_cpu_ptr(&rcu_data.rcuc_activity);  in rcu_cpu_kthread()
2615 	.store			= &rcu_data.rcu_cpu_kthread_task,
2631 		per_cpu(rcu_data.rcu_cpu_has_work, cpu) = 0;  in rcu_spawn_core_kthreads()
2642 static void __call_rcu_core(struct rcu_data *rdp, struct rcu_head *head,  in __call_rcu_core()
2697 static void check_cb_ovld_locked(struct rcu_data *rdp, struct rcu_node *rnp)  in check_cb_ovld_locked()
2720 static void check_cb_ovld(struct rcu_data *rdp)  in check_cb_ovld()
2777 	struct rcu_data *rdp;  in call_rcu()
2800 	rdp = this_cpu_ptr(&rcu_data);  in call_rcu()
3532 	for (rnp = this_cpu_ptr(&rcu_data)->mynode; rnp; rnp = rnp->parent)  in synchronize_rcu()
3609 	struct rcu_data *rdp;  in start_poll_synchronize_rcu_common()
3614 	rdp = this_cpu_ptr(&rcu_data);  in start_poll_synchronize_rcu_common()
3819 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in rcu_pending()
3895 static void rcu_barrier_entrain(struct rcu_data *rdp)  in rcu_barrier_entrain()
3924 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_barrier_handler()
3947 	struct rcu_data *rdp;  in rcu_barrier()
3986 		rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_barrier()
4028 		rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_barrier()
4073 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_boot_init_percpu_data()
4104 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_prepare_cpu()
4151 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_affinity_setting()
4163 	struct rcu_data *rdp;  in rcutree_online_cpu()
4166 	rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_online_cpu()
4188 	struct rcu_data *rdp;  in rcutree_offline_cpu()
4191 	rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_offline_cpu()
4219 	struct rcu_data *rdp;  in rcu_cpu_starting()
4223 	rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_cpu_starting()
4275 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcu_report_dead()
4315 	struct rcu_data *my_rdp;  in rcutree_migrate_callbacks()
4317 	struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);  in rcutree_migrate_callbacks()
4327 	my_rdp = this_cpu_ptr(&rcu_data);  in rcutree_migrate_callbacks()
4435 	struct rcu_data *rdp = this_cpu_ptr(&rcu_data);  in rcu_spawn_gp_kthread()
4579 		per_cpu_ptr(&rcu_data, i)->mynode = rnp;  in rcu_init_one()
4797 	if (!(per_cpu_ptr(&rcu_data, cpu)->mynode->exp_seq_poll_rq & 0x1))  in rcu_init()