diff --git a/[refs] b/[refs]
index 8e31d19a03ef..57c48764aa26 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ec2e0f9811a2c667d06feecb413c57f74c6b84f4
+refs/heads/master: 568b44559d7ca269d367e694c74eb4436e7e3ccf
diff --git a/trunk/arch/mn10300/kernel/smp.c b/trunk/arch/mn10300/kernel/smp.c
index 910dddf65e44..9cd69ad6aa02 100644
--- a/trunk/arch/mn10300/kernel/smp.c
+++ b/trunk/arch/mn10300/kernel/smp.c
@@ -24,6 +24,7 @@
 #include <linux/sched.h>
 #include <linux/profile.h>
 #include <linux/smp.h>
+#include <linux/cpu.h>
 #include <asm/tlbflush.h>
 #include <asm/bitops.h>
 #include <asm/processor.h>
@@ -38,7 +39,6 @@
 #include "internal.h"
 
 #ifdef CONFIG_HOTPLUG_CPU
-#include <linux/cpu.h>
 #include <asm/cacheflush.h>
 
 static unsigned long sleep_mode[NR_CPUS];
@@ -874,10 +874,13 @@ static void __init smp_online(void)
 
 	cpu = smp_processor_id();
 
-	local_irq_enable();
+	notify_cpu_starting(cpu);
 
+	ipi_call_lock();
 	set_cpu_online(cpu, true);
-	smp_wmb();
+	ipi_call_unlock();
+
+	local_irq_enable();
 }
 
 /**