linux/x86: Reduce delta to native IO-APIC code

Index: head-2007-11-30/arch/i386/kernel/io_apic-xen.c
===================================================================
@@ -1542,8 +1542,6 @@ void __init print_IO_APIC(void)
 	return;
 }
 
-#if 0
-
 static void print_APIC_bitfield (int base)
 {
 	unsigned int v;

@@ -1684,11 +1682,6 @@ void /*__init*/ print_PIC(void)
 	v = inb(0x4d1) << 8 | inb(0x4d0);
 	printk(KERN_DEBUG "... PIC ELCR: %04x\n", v);
 }
-
-#endif  /*  0  */
-
-#else
-void __init print_IO_APIC(void) { }
 #endif /* !CONFIG_XEN */
 
 static void __init enable_IO_APIC(void)

Index: head-2007-11-30/arch/x86_64/kernel/io_apic-xen.c
===================================================================
@@ -1022,8 +1022,6 @@ void __apicdebuginit print_IO_APIC(void)
 	return;
 }
 
-#if 0
-
 static __apicdebuginit void print_APIC_bitfield (int base)
 {
 	unsigned int v;

@@ -1158,11 +1156,6 @@ void __apicdebuginit print_PIC(void)
 	v = inb(0x4d1) << 8 | inb(0x4d0);
 	printk(KERN_DEBUG "... PIC ELCR: %04x\n", v);
 }
-
-#endif  /*  0  */
-
-#else
-void __init print_IO_APIC(void) { }
 #endif /* !CONFIG_XEN */
 
 static void __init enable_IO_APIC(void)

Index: head-2007-11-30/include/asm-i386/mach-xen/asm/hw_irq.h
===================================================================
@@ -49,7 +49,7 @@ void FASTCALL(send_IPI_self(int vector))
 void init_VISWS_APIC_irqs(void);
 void setup_IO_APIC(void);
 void disable_IO_APIC(void);
-void print_IO_APIC(void);
+#define print_IO_APIC()
 int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn);
 void send_IPI(int dest, int vector);
 void setup_ioapic_dest(void);

Index: head-2007-11-30/include/asm-x86_64/mach-xen/asm/hw_irq.h
===================================================================
@@ -137,7 +137,7 @@ extern void send_IPI_self(int vector);
 extern void init_VISWS_APIC_irqs(void);
 extern void setup_IO_APIC(void);
 extern void disable_IO_APIC(void);
-extern void print_IO_APIC(void);
+#define print_IO_APIC()
 extern int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn);
 extern void send_IPI(int dest, int vector);
 extern void setup_ioapic_dest(void);