1 files changed, 10 insertions, 16 deletions

diff --git a/include/asm-x86_64/apic.h b/include/asm-x86_64/apic.h
index a731be2204d2..9c96a0a8d1bd 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)
@@ -79,30 +80,23 @@ extern void init_apic_mappings (void);
 extern void smp_local_timer_interrupt (struct pt_regs * regs);
 extern void setup_boot_APIC_clock (void);
 extern void setup_secondary_APIC_clock (void);
-extern void setup_apic_nmi_watchdog (void);
-extern int reserve_lapic_nmi(void);
-extern void release_lapic_nmi(void);
-extern void disable_timer_nmi_watchdog(void);
-extern void enable_timer_nmi_watchdog(void);
-extern void nmi_watchdog_tick (struct pt_regs * regs, unsigned reason);
 extern int APIC_init_uniprocessor (void);
 extern void disable_APIC_timer(void);
 extern void enable_APIC_timer(void);
 extern void clustered_apic_check(void);
 
-extern void nmi_watchdog_default(void);
-extern int setup_nmi_watchdog(char *);
+extern void setup_APIC_extened_lvt(unsigned char lvt_off, unsigned char vector,
+                                   unsigned char msg_type, unsigned char mask);
 
-extern unsigned int nmi_watchdog;
-#define NMI_DEFAULT     -1
-#define NMI_NONE        0
-#define NMI_IO_APIC     1
-#define NMI_LOCAL_APIC  2
-#define NMI_INVALID     3
+#define K8_APIC_EXT_LVT_BASE    0x500
+#define K8_APIC_EXT_INT_MSG_FIX 0x0
+#define K8_APIC_EXT_INT_MSG_SMI 0x2
+#define K8_APIC_EXT_INT_MSG_NMI 0x4
+#define K8_APIC_EXT_INT_MSG_EXT 0x7
+#define K8_APIC_EXT_LVT_ENTRY_THRESHOLD    0
 
 extern int disable_timer_pin_1;
 
-extern void setup_threshold_lvt(unsigned long lvt_off);
 
 void smp_send_timer_broadcast_ipi(void);
 void switch_APIC_timer_to_ipi(void *cpumask);