# HG changeset patch
# User ecaspole
# Date 1442846196 14400
# Node ID f9720c487762761b6822455aea92f5851b623bd6
# Parent  5b75aaed29fcdcb165b4987f4ba58552c04583c0
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 5b75aaed29fc -r f9720c487762 src/share/vm/gc_implementation/g1/g1CodeCacheRemSet.cpp
--- a/src/share/vm/gc_implementation/g1/g1CodeCacheRemSet.cpp	Thu Oct 15 15:33:54 2015 +0000
+++ b/src/share/vm/gc_implementation/g1/g1CodeCacheRemSet.cpp	Mon Sep 21 10:36:36 2015 -0400
@@ -200,6 +200,9 @@
 
 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) {