Fixed uRCU barriers on read-side entry/exit

[libcds.git] / cds / urcu / details / gp.h

diff --git a/cds/urcu/details/gp.h b/cds/urcu/details/gp.h
index eb43fc5f4a23258d1cf62c0525b0760b58e8df8e..512a0b2b037b6edb13e771d5dab1e774b34fa4dd 100644 (file)
--- a/cds/urcu/details/gp.h
+++ b/cds/urcu/details/gp.h
@@ -70,13 +70,7 @@ namespace cds { namespace urcu { namespace details {
             pRec->m_nAccessControl.store( gp_singleton<RCUtag>::instance()->global_control_word(atomics::memory_order_relaxed),
                 atomics::memory_order_relaxed );
 
-#   if CDS_COMPILER == CDS_COMPILER_CLANG && CDS_COMPILER_VERSION < 30800
-            // Seems, CLang 3.6-3.7 cannot handle acquire barrier correctly
-            CDS_COMPILER_RW_BARRIER;
-#   else
-            // acquire barrier
-            pRec->m_nAccessControl.load( atomics::memory_order_acquire );
-#   endif
+            atomics::atomic_thread_fence( atomics::memory_order_seq_cst );
         }
         else {
             // nested lock