* by both the reader and the writers.
*/
DEFINE_URCU_TLS(struct urcu_bp_reader *, urcu_bp_reader);
-URCU_ATTR_ALIAS("urcu_bp_reader")
-extern struct urcu_bp_reader *rcu_reader_bp;
+DEFINE_URCU_TLS_ALIAS(struct urcu_bp_reader *, urcu_bp_reader, rcu_reader_bp);
static CDS_LIST_HEAD(registry);