From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Wed, 10 Mar 2010 11:39:54 +0000 (-0500)
Subject: Add prev/next fixme notice
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=7ddb62c5b1cd511698bd25d181ea901f43dcbbee;p=userspace-rcu.git

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 bd0f6a0..5c3df13 100644
--- 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.