From e50a7bee807e1fc06117eb01912604a911227e73 Mon Sep 17 00:00:00 2001
From: Mike Krinkin <krinkin.m.u@gmail.com>
Date: Fri, 17 Apr 2015 00:52:41 +0300
Subject: [PATCH] Relax memory order constraints.

---
 cds/intrusive/split_list.h      | 2 +-
 cds/intrusive/split_list_nogc.h | 2 +-
 cds/intrusive/split_list_rcu.h  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/cds/intrusive/split_list.h b/cds/intrusive/split_list.h
index 2d78c141..0288e703 100644
--- a/cds/intrusive/split_list.h
+++ b/cds/intrusive/split_list.h
@@ -480,7 +480,7 @@ namespace cds { namespace intrusive {
                                                                               : std::numeric_limits<size_t>::max();
             m_nMaxItemCount.compare_exchange_strong( nMaxCount, nNewMaxCount, memory_model::memory_order_relaxed,
                 memory_model::memory_order_relaxed );
-            m_nBucketCountLog2.compare_exchange_strong( sz, sz + 1, memory_model::memory_order_seq_cst, memory_model::memory_order_relaxed );
+            m_nBucketCountLog2.compare_exchange_strong( sz, sz + 1, memory_model::memory_order_relaxed, memory_model::memory_order_relaxed );
         }
 
         template <typename Q, typename Compare, typename Func>
diff --git a/cds/intrusive/split_list_nogc.h b/cds/intrusive/split_list_nogc.h
index 5ae837c8..5bf894ba 100644
--- a/cds/intrusive/split_list_nogc.h
+++ b/cds/intrusive/split_list_nogc.h
@@ -277,7 +277,7 @@ namespace cds { namespace intrusive {
                                                                               : std::numeric_limits<size_t>::max();
             m_nMaxItemCount.compare_exchange_strong( nMaxCount, nNewMaxCount, memory_model::memory_order_relaxed,
                 memory_model::memory_order_relaxed );
-            m_nBucketCountLog2.compare_exchange_strong( sz, sz + 1, memory_model::memory_order_seq_cst, memory_model::memory_order_relaxed );
+            m_nBucketCountLog2.compare_exchange_strong( sz, sz + 1, memory_model::memory_order_relaxed, memory_model::memory_order_relaxed );
         }
 
         //@endcond
diff --git a/cds/intrusive/split_list_rcu.h b/cds/intrusive/split_list_rcu.h
index f83bd7d2..8deeb7ce 100644
--- a/cds/intrusive/split_list_rcu.h
+++ b/cds/intrusive/split_list_rcu.h
@@ -373,7 +373,7 @@ namespace cds { namespace intrusive {
                                                                               : std::numeric_limits<size_t>::max();
             m_nMaxItemCount.compare_exchange_strong( nMaxCount, nNewMaxCount, memory_model::memory_order_relaxed,
                 memory_model::memory_order_relaxed );
-            m_nBucketCountLog2.compare_exchange_strong( sz, sz + 1, memory_model::memory_order_seq_cst, memory_model::memory_order_relaxed );
+            m_nBucketCountLog2.compare_exchange_strong( sz, sz + 1, memory_model::memory_order_relaxed, memory_model::memory_order_relaxed );
         }
 
         template <typename Q, typename Compare, typename Func>
-- 
2.34.1