osfmk/i386/mp.c

209 static void		free_warm_timer_call(timer_call_t call);
814 	 * signal other processors, which will call mp_rendezvous_action()
822 	/* call executor function on this cpu */
869  * A wrapper to mp_rendezvous() to call action_func() with interrupts disabled.
886 	void		(*func)(void *,void *);	/* routine to call */
983  * Called by each processor to add call buffers to the free list
984  * and to initialize the per-cpu call queue.
1017 	mp_call_t	call;
1023 		/* Copy call request to the stack to free buffer */
1024 		call = *callp;
1026 		if (call.func != NULL) {
1030 				call.func, call.arg0, call.arg1, call.countp, 0);
1031 			call.func(call.arg0, call.arg1);
1034 		if (call.countp != NULL)
1035 			atomic_incl(call.countp, 1);
1044  *	    waiting for each call to be acknowledged before proceeding
1045  *  ASYNC:  function call is queued to the specified cpus
1051  * The return value is the number of cpus on which the call was made or queued.
1125 	 * Queue the call for each non-local requested cpu.
1127 	 * and then re-check it after taking the call lock. A cpu being taken
1137 			 * we defer our call until we have signalled all others.
1150 			 * Here to queue a call to cpu and IPI.
1241    /* call action function */
1276     * signal other processors, which will call mp_broadcast_action()
1283    /* call executor function on this cpu */
1656 	timer_call_t call = NULL;
1661 		call = (timer_call_t) dequeue_head(&cpu_warm_call_list);
1666 	return call;
1670 free_warm_timer_call(timer_call_t call)
1676 	enqueue_head(&cpu_warm_call_list, (queue_entry_t)call);
1682  * Runs in timer call context (interrupts disabled).
1709  * Not safe to call with interrupts disabled.
1716 	timer_call_t call;
1731 	 * Grab a timer call to use.
1733 	call = grab_warm_timer_call();
1734 	if (call == NULL) {
1738 	timer_call_setup(call, cpu_warm_timer_call_func, call);
1739 	cwd.cwd_call = call;
1748 		free_warm_timer_call(call);