Index: sys/amd64/include/vmm.h
===================================================================
--- sys/amd64/include/vmm.h
+++ sys/amd64/include/vmm.h
@@ -276,7 +276,13 @@
 static int __inline
 vcpu_should_yield(struct vm *vm, int vcpu)
 {
-	return (curthread->td_flags & (TDF_ASTPENDING | TDF_NEEDRESCHED));
+
+	if (curthread->td_flags & (TDF_ASTPENDING | TDF_NEEDRESCHED))
+		return (1);
+	else if (curthread->td_owepreempt)
+		return (1);
+	else
+		return (0);
 }
 #endif