 -  KVM,
 -  VMWare,
 -  HyperV,
+-  HyperVRole,
 -  PowerVM, // on AIX or Linux ppc64(le)
 -  PowerFullPartitionMode, // on Linux ppc64(le)
 -  PowerKVM

diff -Npur jdk11u-jdk-11.0.9-ga/src/hotspot/share/runtime/abstract_vm_version.hpp jdk11u-jdk-11.0.9-ga-patched/src/hotspot/share/runtime/abstract_vm_version.hpp
--- jdk11u-jdk-11.0.9-ga/src/hotspot/share/runtime/abstract_vm_version.hpp	1970-01-01 01:00:00.000000000 +0100
+++ jdk11u-jdk-11.0.9-ga-patched/src/hotspot/share/runtime/abstract_vm_version.hpp	2021-01-16 15:56:28.000000000 +0100
@@ -0,0 +1,188 @@
+/*
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it

-  return _parallel_worker_threads;
-}
diff -Npur jdk11u-jdk-11.0.9-ga/src/hotspot/share/runtime/vm_version.hpp jdk11u-jdk-11.0.9-ga-patched/src/hotspot/share/runtime/vm_version.hpp
--- jdk11u-jdk-11.0.9-ga/src/hotspot/share/runtime/vm_version.hpp      2020-09-11 18:12:45.000000000 +0200
+++ jdk11u-jdk-11.0.9-ga-patched/src/hotspot/share/runtime/vm_version.hpp      2021-01-16 15:56:28.000000000 +0100
@@ -22,170 +22,10 @@
  *
  */
 
