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changeset 9427:87440ed4e1de jdk8u112-b31

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Merge
author asaha
date Mon, 03 Oct 2016 08:13:41 -0700
parents 501865c7b781 (current diff) cdd0839491ba (diff)
children fa3bb4153a28 10baa7af9e63
files .hgtags
diffstat 3 files changed, 13 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/.hgtags	Mon Oct 03 08:05:21 2016 -0700
+++ b/.hgtags	Mon Oct 03 08:13:41 2016 -0700
@@ -898,6 +898,7 @@
 c8988d2e4212583ec0f04591c8e241ad3cf95674 jdk8u102-b32
 9050d85e29600400ce4ba2b4db9616388082ae08 jdk8u102-b33
 b678b66d1538af31bac7cf5e74c029395607decd jdk8u102-b34
+8a2db0a6c499250050b59f9a47acd9ea80de92c2 jdk8u102-b35
 ceecf88e5c2c09bfabf5926581e6d0b0f65f5148 jdk8u111-b00
 e73d79ce00e4a0451e464c7a73d9c911d01e169a jdk8u111-b01
 d584a614818562e1187e1a15c202aec01491caeb jdk8u111-b02
--- a/src/share/vm/gc_implementation/g1/g1ParScanThreadState.cpp	Mon Oct 03 08:05:21 2016 -0700
+++ b/src/share/vm/gc_implementation/g1/g1ParScanThreadState.cpp	Mon Oct 03 08:13:41 2016 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 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
@@ -148,7 +148,9 @@
   do {
     // Drain the overflow stack first, so other threads can steal.
     while (_refs->pop_overflow(ref)) {
-      dispatch_reference(ref);
+      if (!_refs->try_push_to_taskqueue(ref)) {
+        dispatch_reference(ref);
+      }
     }
 
     while (_refs->pop_local(ref)) {
--- a/src/share/vm/utilities/taskqueue.hpp	Mon Oct 03 08:05:21 2016 -0700
+++ b/src/share/vm/utilities/taskqueue.hpp	Mon Oct 03 08:13:41 2016 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 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
@@ -453,6 +453,9 @@
   // Push task t onto the queue or onto the overflow stack.  Return true.
   inline bool push(E t);
 
+  // Try to push task t onto the queue only. Returns true if successful, false otherwise.
+  inline bool try_push_to_taskqueue(E t);
+
   // Attempt to pop from the overflow stack; return true if anything was popped.
   inline bool pop_overflow(E& t);
 
@@ -486,6 +489,10 @@
   return true;
 }
 
+template <class E, MEMFLAGS F, unsigned int N>
+bool OverflowTaskQueue<E, F, N>::try_push_to_taskqueue(E t) {
+  return taskqueue_t::push(t);
+}
 class TaskQueueSetSuper {
 protected:
   static int randomParkAndMiller(int* seed0);