Linux Virtualization - Apr 2007 - [RFC/PATCH PV_OPS X86_64 04/17] pavarvirt_ops - apci header updates

plain text document attachment (xx-paravirt-apic-header.patch)
This patch updates the apic header file for switching 
apic_read and write for use with paravirt ops.

Signed-off-by: Steven Rostedt srostedt@redhat.com
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>

Index: clean-start/include/asm-x86_64/apic.h
==================================================================---
clean-start.orig/include/asm-x86_64/apic.h
+++ clean-start/include/asm-x86_64/apic.h
@@ -37,16 +37,24 @@ struct pt_regs;
  * Basic functions accessing APICs.
  */
 
-static __inline void apic_write(unsigned long reg, unsigned int v)
+static __inline void native_apic_write(unsigned long reg, unsigned int v)
 {
 	*((volatile unsigned int *)(APIC_BASE+reg)) = v;
 }
 
-static __inline unsigned int apic_read(unsigned long reg)
+static __inline unsigned int native_apic_read(unsigned long reg)
 {
 	return *((volatile unsigned int *)(APIC_BASE+reg));
 }
 
+#ifdef CONFIG_PARAVIRT
+#include <asm/paravirt.h>
+#else
+#define apic_write native_apic_write
+#define apic_read native_apic_read
+
+#endif /* CONFIG_PARAVIRT */
+
 static __inline__ void apic_wait_icr_idle(void)
 {
 	while (apic_read( APIC_ICR ) & APIC_ICR_BUSY)

--