--- a/usr/src/uts/intel/sys/x86_archext.h	Mon Apr 14 19:44:39 2008 -0700
+++ b/usr/src/uts/intel/sys/x86_archext.h	Mon Apr 14 19:50:29 2008 -0700
@@ -539,6 +539,7 @@
 extern id_t cpuid_get_last_lvl_cacheid(struct cpu *);
 extern int cpuid_get_chipid(struct cpu *);
 extern id_t cpuid_get_coreid(struct cpu *);
+extern uint_t cpuid_get_apicid(struct cpu *);
 extern int cpuid_get_pkgcoreid(struct cpu *);
 extern int cpuid_get_clogid(struct cpu *);
 extern int cpuid_is_cmt(struct cpu *);