diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c
index 3421f21b6c70c15c811508287a9565fb57c79a78..943ec4d1bd8eae4d06afbc7ca56b5bef50bf6c68 100644
--- a/arch/x86_64/kernel/apic.c
+++ b/arch/x86_64/kernel/apic.c
@@ -68,6 +68,28 @@ int using_apic_timer __read_mostly = 0;
 
 static void apic_pm_activate(void);
 
+void apic_wait_icr_idle(void)
+{
+	while (apic_read(APIC_ICR) & APIC_ICR_BUSY)
+		cpu_relax();
+}
+
+unsigned int safe_apic_wait_icr_idle(void)
+{
+	unsigned int send_status;
+	int timeout;
+
+	timeout = 0;
+	do {
+		send_status = apic_read(APIC_ICR) & APIC_ICR_BUSY;
+		if (!send_status)
+			break;
+		udelay(100);
+	} while (timeout++ < 1000);
+
+	return send_status;
+}
+
 void enable_NMI_through_LVT0 (void * dummy)
 {
 	unsigned int v;
diff --git a/include/asm-x86_64/apic.h b/include/asm-x86_64/apic.h
index 2f3b013595ab755e4795295905b2acdad83c431c..45e9fca1febc5410eea5d0aa1c9d261d62e6bc4c 100644
--- a/include/asm-x86_64/apic.h
+++ b/include/asm-x86_64/apic.h
@@ -2,6 +2,7 @@
 #define __ASM_APIC_H
 
 #include <linux/pm.h>
+#include <linux/delay.h>
 #include <asm/fixmap.h>
 #include <asm/apicdef.h>
 #include <asm/system.h>
@@ -47,11 +48,8 @@ static __inline unsigned int apic_read(unsigned long reg)
 	return *((volatile unsigned int *)(APIC_BASE+reg));
 }
 
-static __inline__ void apic_wait_icr_idle(void)
-{
-	while (apic_read( APIC_ICR ) & APIC_ICR_BUSY)
-		cpu_relax();
-}
+extern void apic_wait_icr_idle(void);
+extern unsigned int safe_apic_wait_icr_idle(void);
 
 static inline void ack_APIC_irq(void)
 {