$OpenBSD: patch-hotspot_src_cpu_x86_vm_globals_x86_hpp,v 1.1 2013/02/03 21:03:39 kurt Exp $
--- hotspot/src/cpu/x86/vm/globals_x86.hpp.orig	Sun Feb  3 10:36:52 2013
+++ hotspot/src/cpu/x86/vm/globals_x86.hpp	Sun Feb  3 10:37:13 2013
@@ -70,6 +70,10 @@ define_pd_global(intx, PreInflateSpin,           10);
 define_pd_global(bool, RewriteBytecodes,     true);
 define_pd_global(bool, RewriteFrequentPairs, true);
 
+#ifdef _ALLBSD_SOURCE
+define_pd_global(bool, UseMembar,            true);
+#else
 define_pd_global(bool, UseMembar,            false);
+#endif
 
 #endif // CPU_X86_VM_GLOBALS_X86_HPP
