Index: /trunk/src/VBox/VMM/VM.cpp
===================================================================
--- /trunk/src/VBox/VMM/VM.cpp	(revision 31409)
+++ /trunk/src/VBox/VMM/VM.cpp	(revision 31410)
@@ -578,5 +578,5 @@
             pVM->aCpus[i].hNativeThread     = pUVM->aCpus[i].vm.s.NativeThreadEMT;
             Assert(pVM->aCpus[i].hNativeThread != NIL_RTNATIVETHREAD);
-
+            /* hNativeThreadR0 is initialized on EMT registration. */
             pUVM->aCpus[i].pVCpu            = &pVM->aCpus[i];
             pUVM->aCpus[i].pVM              = pVM;