From: khizmax <khizmax@gmail.com>
Date: Sat, 12 Aug 2017 15:26:53 +0000 (+0300)
Subject: [uRCU] Removed redundant atomic_thread_fence
X-Git-Tag: v2.3.1~15
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=c77d4e592d1b528896b0378378a2afc3d80c8328;p=libcds.git

[uRCU] Removed redundant atomic_thread_fence
---

diff --git a/cds/urcu/details/gpb.h b/cds/urcu/details/gpb.h
index 0041f383..5ad75d13 100644
--- a/cds/urcu/details/gpb.h
+++ b/cds/urcu/details/gpb.h
@@ -234,7 +234,6 @@ namespace cds { namespace urcu {
         bool synchronize( epoch_retired_ptr& ep )
         {
             uint64_t nEpoch;
-            atomics::atomic_thread_fence( atomics::memory_order_acquire );
             {
                 std::unique_lock<lock_type> sl( m_Lock );
                 if ( ep.m_p && m_Buffer.push( ep ))
@@ -244,7 +243,6 @@ namespace cds { namespace urcu {
                 flip_and_wait();
             }
             clear_buffer( nEpoch );
-            atomics::atomic_thread_fence( atomics::memory_order_release );
             return true;
         }
         //@endcond
diff --git a/cds/urcu/details/sig_buffered.h b/cds/urcu/details/sig_buffered.h
index 378c1b60..71b7979b 100644
--- a/cds/urcu/details/sig_buffered.h
+++ b/cds/urcu/details/sig_buffered.h
@@ -232,7 +232,6 @@ namespace cds { namespace urcu {
         bool synchronize( epoch_retired_ptr& ep )
         {
             uint64_t nEpoch;
-            atomics::atomic_thread_fence( atomics::memory_order_acquire );
             {
                 std::unique_lock<lock_type> sl( m_Lock );
                 if ( ep.m_p && m_Buffer.push( ep ) && m_Buffer.size() < capacity())