--- freebsd/sys/modules/opensolaris/Makefile.orig 2010-03-10 15:41:27.000000000 -0400
+++ freebsd/sys/modules/opensolaris/Makefile	2010-03-10 23:56:00.000000000 -0400
@@ -20,5 +20,6 @@
 		-I${.CURDIR}/../..
 
 IGNORE_PRAGMA=	1
+EXPORT_SYMS = cpu_core
 
 .include <bsd.kmod.mk>