--- a/src/hotspot/cpu/aarch64/templateInterpreterGenerator_aarch64.cpp	Thu Nov 08 11:22:28 2018 -0800
+++ b/src/hotspot/cpu/aarch64/templateInterpreterGenerator_aarch64.cpp	Thu Nov 08 11:45:13 2018 -0800
@@ -1394,16 +1394,8 @@
   __ lea(rscratch2, Address(rthread, JavaThread::thread_state_offset()));
   __ stlrw(rscratch1, rscratch2);
 
-  if (UseMembar) {
-    // Force this write out before the read below
-    __ dmb(Assembler::ISH);
-  } else {
-    // Write serialization page so VM thread can do a pseudo remote membar.
-    // We use the current thread pointer to calculate a thread specific
-    // offset to write to within the page. This minimizes bus traffic
-    // due to cache line collision.
-    __ serialize_memory(rthread, rscratch2);
-  }
+  // Force this write out before the read below
+  __ dmb(Assembler::ISH);
 
   // check for safepoint operation in progress and/or pending suspend requests
   {