From: khizmax <libcds.dev@gmail.com>
Date: Wed, 5 Apr 2017 20:42:39 +0000 (+0300)
Subject: Fixed memory ordering
X-Git-Tag: v2.3.0~84
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3e6373d5dfa4be891dffa1f9aabc3b60d0dc18dd;p=libcds.git

Fixed memory ordering
---

diff --git a/src/hp.cpp b/src/hp.cpp
index afa05a37..616ea59b 100644
--- a/src/hp.cpp
+++ b/src/hp.cpp
@@ -247,7 +247,7 @@ namespace cds { namespace gc { namespace hp {
         hprec = create_thread_data();
         hprec->m_idOwner.store( curThreadId, atomics::memory_order_relaxed );
 
-        thread_record* pOldHead = thread_list_.load( atomics::memory_order_acquire );
+        thread_record* pOldHead = thread_list_.load( atomics::memory_order_relaxed );
         do {
             hprec->m_pNextNode.store( pOldHead, atomics::memory_order_release );
         } while ( !thread_list_.compare_exchange_weak( pOldHead, hprec, atomics::memory_order_release, atomics::memory_order_acquire ) );