X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=src%2Furcu-bp.c;h=675b5d6e8aea929e8b8a7a1e757c777292a89b4f;hp=c0fac8330bdc43a5d1eb58a6999057461c44a002;hb=6fd172f599e8d798e68974a786dd930d876f182e;hpb=5592d04940700ff2bb06307660e28e47fad0606b

diff --git a/src/urcu-bp.c b/src/urcu-bp.c
index c0fac83..675b5d6 100644
--- a/src/urcu-bp.c
+++ b/src/urcu-bp.c
@@ -142,7 +142,7 @@ struct rcu_gp rcu_gp = { .ctr = RCU_GP_COUNT };
  * Pointer to registry elements. Written to only by each individual reader. Read
  * by both the reader and the writers.
  */
-DEFINE_URCU_TLS(struct rcu_reader *, rcu_reader);
+DEFINE_URCU_TLS_IE(struct rcu_reader *, rcu_reader);
 
 static CDS_LIST_HEAD(registry);
 
@@ -593,8 +593,13 @@ void rcu_sys_membarrier_status(int available)
 static
 void rcu_sys_membarrier_status(int available)
 {
-	if (available)
-		urcu_bp_has_sys_membarrier = 1;
+	/*
+	 * membarrier has blocking behavior, which changes the
+	 * application behavior too much compared to using barriers when
+	 * synchronize_rcu is used repeatedly (without using call_rcu).
+	 * Don't use membarrier for now, unless its use has been
+	 * explicitly forced when building liburcu.
+	 */
 }
 #endif