-static int smp4d_stop_cpu_sender;
-
-static void smp4d_stop_cpu(void)
-{
- int me = hard_smp4d_processor_id();
-
- if (me != smp4d_stop_cpu_sender)
- while(1) barrier();
-}
-
-/* Cross calls, in order to work efficiently and atomically do all
- * the message passing work themselves, only stopcpu and reschedule
- * messages come through here.
- */
-void smp4d_message_pass(int target, int msg, unsigned long data, int wait)
-{
- int me = hard_smp4d_processor_id();
-
- SMP_PRINTK(("smp4d_message_pass %d %d %08lx %d\n", target, msg, data, wait));
- if (msg == MSG_STOP_CPU && target == MSG_ALL_BUT_SELF) {
- unsigned long flags;
- static DEFINE_SPINLOCK(stop_cpu_lock);
- spin_lock_irqsave(&stop_cpu_lock, flags);
- smp4d_stop_cpu_sender = me;
- smp4d_cross_call((smpfunc_t)smp4d_stop_cpu, 0, 0, 0, 0, 0);
- spin_unlock_irqrestore(&stop_cpu_lock, flags);
- }
- printk("Yeeee, trying to send SMP msg(%d) to %d on cpu %d\n", msg, target, me);
- panic("Bogon SMP message pass.");
-}
-