[POWERPC] Update lppaca offset comments
[powerpc.git] / include / asm-x86_64 / apic.h
index 9d43ac8..9c96a0a 100644 (file)
@@ -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)