rculfhash: document destroy context limitations

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

diff --git a/urcu/rculfhash.h b/urcu/rculfhash.h
index 4d50f08ee892803fa4762ba266846ee067fc9d01..afd0c3eafb34aff325843ea476b4714d90e86fe5 100644 (file)
--- a/urcu/rculfhash.h
+++ b/urcu/rculfhash.h
@@ -177,7 +177,8 @@ struct cds_lfht *cds_lfht_new(unsigned long init_size,
  * Return 0 on success, negative error value on error.
  * Threads calling this API need to be registered RCU read-side threads.
  * cds_lfht_destroy should *not* be called from a RCU read-side critical
- * section.
+ * section. It should *not* be called from a call_rcu thread context
+ * neither.
  */
 extern
 int cds_lfht_destroy(struct cds_lfht *ht, pthread_attr_t **attr);