Add prev/next fixme notice

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/urcu-rbtree.c b/urcu-rbtree.c
index bd0f6a0303996360a44d4534e75b237c80d1861f..5c3df138e7851c7c378f085e86e151df2632366f 100644 (file)
--- a/urcu-rbtree.c
+++ b/urcu-rbtree.c
@@ -91,6 +91,13 @@ struct rcu_rbtree_node *rcu_rbtree_max(struct rcu_rbtree_node *x,
        return x;
 }
 
+/*
+ * FIXME:
+ * Updates should wait for a grace period between update of the
+ * redirect pointer and update of the parent child pointer. This is to make sure
+ * that no reference to the old entry exist.
+ */
+
 /*
  * next and prev need to have mutex held to ensure that parent pointer is
  * coherent.