From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Fri, 14 Jun 2013 12:16:14 +0000 (-0400)
Subject: rculfhash: document destroy context limitation
X-Git-Tag: v0.7.7~1
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=b1ebcb1b6b6403034867682c9469aaec3d04e76c;p=userspace-rcu.git

rculfhash: document destroy context limitation

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

diff --git a/urcu/rculfhash.h b/urcu/rculfhash.h
index 727f5c9..23bd1ce 100644
--- a/urcu/rculfhash.h
+++ b/urcu/rculfhash.h
@@ -176,7 +176,8 @@ 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 call_rcu thread context
+ * neither.
  * In userspace RCU 0.7.x, for QSBR RCU flavor, cds_lfht_destroy() has a
  * side-effect: it puts the caller thread in "online" state. This will
  * be fixed in userspace RCU 0.8.x.