/*
* At this time, this lock is used to ensure coherence between the count
* and number of element in the hash table. It's also a protection for
- * concurrent read/write between threads. Although hash table used are
- * lockless data structure, appropriate RCU lock mechanism are not yet
- * implemented in the consumer.
+ * concurrent read/write between threads.
+ *
+ * XXX: We need to see if this lock is still needed with the lockless RCU
+ * hash tables.
*/
pthread_mutex_t lock;