A change not too long ago made i386's genapic symbol no longer be
exported, and thus certain low-level functions no longer be usable.
Since close-to-the-hardware code may still be modular, this
rectifies the situation.

From: Jan Beulich <jbeulich@novell.com>

--- 2.6.14/arch/i386/mach-generic/probe.c	2005-10-28 02:02:08.000000000 +0200
+++ 2.6.14-i386-genapic/arch/i386/mach-generic/probe.c	2005-11-04 16:19:33.000000000 +0100
@@ -3,6 +3,7 @@
  * 
  * Generic x86 APIC driver probe layer.
  */  
+#define APIC_DEFINITION 1
 #include <linux/config.h>
 #include <linux/threads.h>
 #include <linux/cpumask.h>
@@ -10,6 +11,7 @@
 #include <linux/kernel.h>
 #include <linux/ctype.h>
 #include <linux/init.h>
+#include <linux/module.h>
 #include <asm/fixmap.h>
 #include <asm/mpspec.h>
 #include <asm/apicdef.h>
@@ -21,6 +23,7 @@ extern struct genapic apic_es7000;
 extern struct genapic apic_default;
 
 struct genapic *genapic = &apic_default;
+EXPORT_SYMBOL(genapic);
 
 struct genapic *apic_probe[] __initdata = { 
 	&apic_summit,