31 struct rcu_ctrlblk {  struct
38 static struct rcu_ctrlblk rcu_ctrlblk = {  argument
39 	.donetail	= &rcu_ctrlblk.rcucblist,
40 	.curtail	= &rcu_ctrlblk.rcucblist,
55 	if (rcu_ctrlblk.donetail != rcu_ctrlblk.curtail) {  in rcu_qs()
56 		rcu_ctrlblk.donetail = rcu_ctrlblk.curtail;  in rcu_qs()
72 	} else if (rcu_ctrlblk.donetail != rcu_ctrlblk.curtail) {  in rcu_sched_clock_irq()
111 	if (rcu_ctrlblk.donetail == &rcu_ctrlblk.rcucblist) {  in rcu_process_callbacks()
116 	list = rcu_ctrlblk.rcucblist;  in rcu_process_callbacks()
117 	rcu_ctrlblk.rcucblist = *rcu_ctrlblk.donetail;  in rcu_process_callbacks()
118 	*rcu_ctrlblk.donetail = NULL;  in rcu_process_callbacks()
119 	if (rcu_ctrlblk.curtail == rcu_ctrlblk.donetail)  in rcu_process_callbacks()
120 		rcu_ctrlblk.curtail = &rcu_ctrlblk.rcucblist;  in rcu_process_callbacks()
121 	rcu_ctrlblk.donetail = &rcu_ctrlblk.rcucblist;  in rcu_process_callbacks()
169 	*rcu_ctrlblk.curtail = head;  in call_rcu()
170 	rcu_ctrlblk.curtail = &head->next;  in call_rcu()