Index: next.git/arch/powerpc/platforms/pseries/xics.c
===================================================================
--- next.git.orig/arch/powerpc/platforms/pseries/xics.c	2008-10-04 16:36:07.000000000 -0500
+++ next.git/arch/powerpc/platforms/pseries/xics.c	2008-10-04 16:36:09.000000000 -0500
@@ -208,9 +208,6 @@ static int get_irq_server(unsigned int v
 	cpumask_t cpumask = irq_desc[virq].affinity;
 	cpumask_t tmp = CPU_MASK_NONE;
 
-	if (! cpu_isset(default_server, cpu_online_map))
-		xics_update_irq_servers();
-
 	if (!distribute_irqs)
 		return default_server;
 
@@ -685,8 +682,8 @@ void __init xics_init_IRQ(void)
 	if (found == 0)
 		return;
 
-	xics_init_host();
 	xics_update_irq_servers();
+	xics_init_host();
 
 	if (firmware_has_feature(FW_FEATURE_LPAR))
 		ppc_md.get_irq = xics_get_irq_lpar;
@@ -779,6 +776,10 @@ void xics_migrate_irqs_away(void)
 	int cpu = smp_processor_id(), hw_cpu = hard_smp_processor_id();
 	unsigned int irq, virq;
 
+	/* If we used to be the default server, move to the new "boot_cpuid" */
+	if (hw_cpu == default_server)
+		xics_update_irq_servers();
+
 	/* Reject any interrupt that was queued to us... */
 	xics_set_cpu_priority(0);