From ded2479840ae63512c557fecda8b9008a0cd4241 Mon Sep 17 00:00:00 2001
From: Derek White <drwhite@openjdk.org>
Date: Tue, 28 Nov 2017 12:23:03 +0100
Subject: [PATCH] 8188877: Improper synchronization in offer_termination

Reviewed-by: kbarrett, tschatzl, aph
---
 src/hotspot/share/gc/shared/taskqueue.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hotspot/share/gc/shared/taskqueue.hpp b/src/hotspot/share/gc/shared/taskqueue.hpp
index ef1e9688bd4..439d81e6e23 100644
--- a/src/hotspot/share/gc/shared/taskqueue.hpp
+++ b/src/hotspot/share/gc/shared/taskqueue.hpp
@@ -425,7 +425,7 @@ class ParallelTaskTerminator: public StackObj {
 private:
   uint _n_threads;
   TaskQueueSetSuper* _queue_set;
-  uint _offered_termination;
+  volatile uint _offered_termination;
 
 #ifdef TRACESPINNING
   static uint _total_yields;