diff --git a/include/asm-x86_64/apic.h b/include/asm-x86_64/apic.h
index 9d43ac8519bffa5b2408cfd00b968ac25fccad9a..9c96a0a8d1bd3c07f4e600e180135e7c7e12e8a4 100644
--- a/include/asm-x86_64/apic.h
+++ b/include/asm-x86_64/apic.h
@@ -49,7 +49,8 @@ static __inline unsigned int apic_read(unsigned long reg)
 
 static __inline__ void apic_wait_icr_idle(void)
 {
-	while ( apic_read( APIC_ICR ) & APIC_ICR_BUSY );
+	while (apic_read( APIC_ICR ) & APIC_ICR_BUSY)
+		cpu_relax();
 }
 
 static inline void ack_APIC_irq(void)