diff -r e9771c308d06 -r fefdeafb7ab9 jdk/src/share/classes/sun/misc/VM.java
--- a/jdk/src/share/classes/sun/misc/VM.java	Thu May 14 10:58:07 2009 -0700
+++ b/jdk/src/share/classes/sun/misc/VM.java	Fri Jun 12 14:56:32 2009 -0400
@@ -346,6 +346,11 @@
     private native static void getThreadStateValues(int[][] vmThreadStateValues,
                                                     String[][] vmThreadStateNames);
 
+    private static boolean kernelVM;
+    public static boolean isBootedKernelVM() {
+        return booted && kernelVM;
+    }
+
     static {
         initialize();
     }