Index: /trunk/include/VBox/vmm/apic.h
===================================================================
--- /trunk/include/VBox/vmm/apic.h	(revision 75299)
+++ /trunk/include/VBox/vmm/apic.h	(revision 75300)
@@ -140,4 +140,6 @@
 /** Offset of LVT extended range end (inclusive). */
 #define XAPIC_OFF_LVT_EXT_END                XAPIC_OFF_LVT_CMCI
+/** Offset of the last register (incl. reserved) in the xAPIC/x2APIC range. */
+#define XAPIC_OFF_END                        0x3F0
 
 /**