--- old/src/hotspot/share/gc/g1/g1ConcurrentRefineThread.cpp	2018-04-10 12:59:17.722042077 +0200
+++ new/src/hotspot/share/gc/g1/g1ConcurrentRefineThread.cpp	2018-04-10 12:59:17.549034581 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2018, 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
@@ -23,6 +23,7 @@
  */
 
 #include "precompiled.hpp"
+#include "gc/g1/g1BarrierSet.hpp"
 #include "gc/g1/g1ConcurrentRefine.hpp"
 #include "gc/g1/g1ConcurrentRefineThread.hpp"
 #include "gc/shared/suspendibleThreadSet.hpp"
@@ -63,7 +64,7 @@
 }
 
 bool G1ConcurrentRefineThread::is_active() {
-  DirtyCardQueueSet& dcqs = JavaThread::dirty_card_queue_set();
+  DirtyCardQueueSet& dcqs = G1BarrierSet::dirty_card_queue_set();
   return is_primary() ? dcqs.process_completed_buffers() : _active;
 }
 
@@ -72,7 +73,7 @@
   if (!is_primary()) {
     set_active(true);
   } else {
-    DirtyCardQueueSet& dcqs = JavaThread::dirty_card_queue_set();
+    DirtyCardQueueSet& dcqs = G1BarrierSet::dirty_card_queue_set();
     dcqs.set_process_completed(true);
   }
   _monitor->notify();
@@ -83,7 +84,7 @@
   if (!is_primary()) {
     set_active(false);
   } else {
-    DirtyCardQueueSet& dcqs = JavaThread::dirty_card_queue_set();
+    DirtyCardQueueSet& dcqs = G1BarrierSet::dirty_card_queue_set();
     dcqs.set_process_completed(false);
   }
 }
@@ -101,7 +102,7 @@
     size_t buffers_processed = 0;
     log_debug(gc, refine)("Activated worker %d, on threshold: " SIZE_FORMAT ", current: " SIZE_FORMAT,
                           _worker_id, _cr->activation_threshold(_worker_id),
-                           JavaThread::dirty_card_queue_set().completed_buffers_num());
+                           G1BarrierSet::dirty_card_queue_set().completed_buffers_num());
 
     {
       SuspendibleThreadSetJoiner sts_join;
@@ -123,7 +124,7 @@
     log_debug(gc, refine)("Deactivated worker %d, off threshold: " SIZE_FORMAT
                           ", current: " SIZE_FORMAT ", processed: " SIZE_FORMAT,
                           _worker_id, _cr->deactivation_threshold(_worker_id),
-                          JavaThread::dirty_card_queue_set().completed_buffers_num(),
+                          G1BarrierSet::dirty_card_queue_set().completed_buffers_num(),
                           buffers_processed);
 
     if (os::supports_vtime()) {