Index: /trunk/src/VBox/VMM/HWACCM.cpp
===================================================================
--- /trunk/src/VBox/VMM/HWACCM.cpp	(revision 17292)
+++ /trunk/src/VBox/VMM/HWACCM.cpp	(revision 17293)
@@ -1218,5 +1218,5 @@
 
     if (    RT_UNLIKELY(pVCpu->hwaccm.s.EmulateIoBlock.fEnabled)
-        &&  pCtx->rsp < pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEsp)
+        &&  pCtx->rsp <= pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEsp)
         return false;
 
Index: /trunk/src/VBox/VMM/VMMR0/VMMR0.def
===================================================================
--- /trunk/src/VBox/VMM/VMMR0/VMMR0.def	(revision 17292)
+++ /trunk/src/VBox/VMM/VMMR0/VMMR0.def	(revision 17293)
@@ -63,4 +63,5 @@
     RTTimeNanoTSLFenceSync
     RTTimeNanoTSLFenceAsync
+    RTTimeSystemNanoTS
     ASMMultU64ByU32DivByU32             ; not-os2
     ASMAtomicXchgU8                     ; not-x86