157 xc_insert(void *queue, xc_msg_t *msg)  in xc_insert()  argument
165 	ASSERT(msg->xc_command != XC_MSG_FREE ||  in xc_insert()
166 	    cpu[msg->xc_master] == NULL || /* possible only during init */  in xc_insert()
167 	    queue == &cpu[msg->xc_master]->cpu_m.xc_free);  in xc_insert()
171 		msg->xc_next = old_head;  in xc_insert()
172 	} while (atomic_cas_ptr(queue, old_head, msg) != old_head);  in xc_insert()
203 	xc_msg_t *msg;  in xc_init_cpu()  local
216 			msg = kmem_zalloc(sizeof (*msg), KM_SLEEP);  in xc_init_cpu()
217 			msg->xc_command = XC_MSG_FREE;  in xc_init_cpu()
218 			msg->xc_master = cpup->cpu_id;  in xc_init_cpu()
219 			xc_insert(&cpup->cpu_m.xc_free, msg);  in xc_init_cpu()
228 			msg = kmem_zalloc(sizeof (*msg), KM_SLEEP);  in xc_init_cpu()
229 			msg->xc_command = XC_MSG_FREE;  in xc_init_cpu()
230 			msg->xc_master = c;  in xc_init_cpu()
231 			xc_insert(&cpu[c]->cpu_m.xc_free, msg);  in xc_init_cpu()
233 			msg = kmem_zalloc(sizeof (*msg), KM_SLEEP);  in xc_init_cpu()
234 			msg->xc_command = XC_MSG_FREE;  in xc_init_cpu()
235 			msg->xc_master = cpup->cpu_id;  in xc_init_cpu()
236 			xc_insert(&cpup->cpu_m.xc_free, msg);  in xc_init_cpu()
244 		msg = kmem_zalloc(sizeof (*msg), KM_SLEEP);  in xc_init_cpu()
245 		msg->xc_command = XC_MSG_FREE;  in xc_init_cpu()
246 		msg->xc_master = cpup->cpu_id;  in xc_init_cpu()
247 		xc_insert(&cpup->cpu_m.xc_free, msg);  in xc_init_cpu()
257 	xc_msg_t *msg;  in xc_fini_cpu()  local
263 	while ((msg = xc_extract(&cpup->cpu_m.xc_free)) != NULL) {  in xc_fini_cpu()
264 		kmem_free(msg, sizeof (*msg));  in xc_fini_cpu()
315 	xc_msg_t *msg;  in xc_serv()  local
331 		for (msg = NULL; msg == NULL;  in xc_serv()
332 		    msg = xc_extract(&mcpup->xc_msgbox)) {  in xc_serv()
359 		switch (msg->xc_command) {  in xc_serv()
366 			data = &cpu[msg->xc_master]->cpu_m.xc_data;  in xc_serv()
371 			msg->xc_command = XC_MSG_DONE;  in xc_serv()
372 			xc_insert(&cpu[msg->xc_master]->cpu_m.xc_msgbox, msg);  in xc_serv()
383 			data = &cpu[msg->xc_master]->cpu_m.xc_data;  in xc_serv()
387 			msg->xc_command = XC_MSG_WAITING;  in xc_serv()
388 			xc_insert(&cpu[msg->xc_master]->cpu_m.xc_msgbox, msg);  in xc_serv()
397 			xc_insert(&xc_waiters, msg);  in xc_serv()
400 			while ((msg = xc_extract(&xc_waiters)) != NULL) {  in xc_serv()
401 				msg->xc_command = XC_MSG_RELEASED;  in xc_serv()
402 				xc_insert(&cpu[msg->xc_slave]->cpu_m.xc_msgbox,  in xc_serv()
403 				    msg);  in xc_serv()
416 			data = &cpu[msg->xc_master]->cpu_m.xc_data;  in xc_serv()
422 			msg->xc_command = XC_MSG_DONE;  in xc_serv()
423 			xc_insert(&cpu[msg->xc_master]->cpu_m.xc_msgbox, msg);  in xc_serv()
433 			msg->xc_command = XC_MSG_FREE;  in xc_serv()
434 			xc_insert(&mcpup->xc_free, msg);  in xc_serv()
439 			panic("free message 0x%p in msgbox", (void *)msg);  in xc_serv()
443 			panic("bad message 0x%p in msgbox", (void *)msg);  in xc_serv()
464 	xc_msg_t *msg;  in xc_common()  local
501 		msg = xc_extract(&CPU->cpu_m.xc_free);  in xc_common()
502 		if (msg == NULL)  in xc_common()
504 		msg->xc_command = command;  in xc_common()
505 		if (msg->xc_master != CPU->cpu_id)  in xc_common()
506 			panic("msg %p has wrong xc_master", (void *)msg);  in xc_common()
507 		msg->xc_slave = c;  in xc_common()
524 		xc_insert(&cpup->cpu_m.xc_msgbox, msg);  in xc_common()