# HG changeset patch
# User ecaspole
# Date 1442846196 14400
# Node ID 5aa0f908f8cdd3af4f023f936d146e7ef793efa6
# Parent  14b2ab72189f6a35c1c43b7bc4b12495fe694181
8131645: [ARM64] crash on Cavium when using G1
Summary: Add a fence when creating the CodeRootSetTable so the readers do not see invalid memory.
Reviewed-by: aph, tschatzl

diff -r 14b2ab72189f -r 5aa0f908f8cd hotspot/src/share/vm/gc/g1/g1CodeCacheRemSet.cpp
--- a/hotspot/src/share/vm/gc/g1/g1CodeCacheRemSet.cpp	Mon Sep 21 17:49:57 2015 +0200
+++ b/hotspot/src/share/vm/gc/g1/g1CodeCacheRemSet.cpp	Mon Sep 21 10:36:36 2015 -0400
@@ -197,7 +197,9 @@
 }
 
 void G1CodeRootSet::allocate_small_table() {
-  _table = new CodeRootSetTable(SmallSize);
+  CodeRootSetTable* temp = new CodeRootSetTable(SmallSize);
+
+  OrderAccess::release_store_ptr(&_table, temp);
 }
 
 void CodeRootSetTable::purge_list_append(CodeRootSetTable* table) {