170 		struct uv_rtc_timer_head *head = blade_info[bid];  in uv_rtc_allocate_timers()  local
172 		if (!head) {  in uv_rtc_allocate_timers()
173 			head = kmalloc_node(sizeof(struct uv_rtc_timer_head) +  in uv_rtc_allocate_timers()
177 			if (!head) {  in uv_rtc_allocate_timers()
181 			spin_lock_init(&head->lock);  in uv_rtc_allocate_timers()
182 			head->ncpus = uv_blade_nr_possible_cpus(bid);  in uv_rtc_allocate_timers()
183 			head->next_cpu = -1;  in uv_rtc_allocate_timers()
184 			blade_info[bid] = head;  in uv_rtc_allocate_timers()
187 		head->cpu[bcpu].lcpu = cpu;  in uv_rtc_allocate_timers()
188 		head->cpu[bcpu].expires = ULLONG_MAX;  in uv_rtc_allocate_timers()
195 static void uv_rtc_find_next_timer(struct uv_rtc_timer_head *head, int pnode)  in uv_rtc_find_next_timer()  argument
200 	head->next_cpu = -1;  in uv_rtc_find_next_timer()
201 	for (c = 0; c < head->ncpus; c++) {  in uv_rtc_find_next_timer()
202 		u64 exp = head->cpu[c].expires;  in uv_rtc_find_next_timer()
209 		head->next_cpu = bcpu;  in uv_rtc_find_next_timer()
210 		c = head->cpu[bcpu].lcpu;  in uv_rtc_find_next_timer()
229 	struct uv_rtc_timer_head *head = blade_info[bid];  in uv_rtc_set_timer()  local
231 	u64 *t = &head->cpu[bcpu].expires;  in uv_rtc_set_timer()
235 	spin_lock_irqsave(&head->lock, flags);  in uv_rtc_set_timer()
237 	next_cpu = head->next_cpu;  in uv_rtc_set_timer()
242 			expires < head->cpu[next_cpu].expires) {  in uv_rtc_set_timer()
243 		head->next_cpu = bcpu;  in uv_rtc_set_timer()
246 			uv_rtc_find_next_timer(head, pnode);  in uv_rtc_set_timer()
247 			spin_unlock_irqrestore(&head->lock, flags);  in uv_rtc_set_timer()
252 	spin_unlock_irqrestore(&head->lock, flags);  in uv_rtc_set_timer()
265 	struct uv_rtc_timer_head *head = blade_info[bid];  in uv_rtc_unset_timer()  local
267 	u64 *t = &head->cpu[bcpu].expires;  in uv_rtc_unset_timer()
271 	spin_lock_irqsave(&head->lock, flags);  in uv_rtc_unset_timer()
273 	if ((head->next_cpu == bcpu && uv_read_rtc(NULL) >= *t) || force)  in uv_rtc_unset_timer()
279 		if (head->next_cpu == bcpu)  in uv_rtc_unset_timer()
280 			uv_rtc_find_next_timer(head, pnode);  in uv_rtc_unset_timer()
283 	spin_unlock_irqrestore(&head->lock, flags);  in uv_rtc_unset_timer()