From: "Paul E. McKenney" <paul...@linux.vnet.ibm.com>
One of the code samples in whatisRCU.txt shows a bug, but someone scanning
the document quickly might mistake it for a valid use of RCU. Add some
screaming comments to help keep speed-readers on track.
Reported-by: Nathan Zimmer <nzim...@sgi.com>
Signed-off-by: Paul E. McKenney <paul...@linux.vnet.ibm.com>
Acked-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
---
Documentation/RCU/whatisRCU.txt | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/Documentation/RCU/whatisRCU.txt b/Documentation/RCU/whatisRCU.txt
index 0cc7820..10df0b8 100644
--- a/Documentation/RCU/whatisRCU.txt
+++ b/Documentation/RCU/whatisRCU.txt
@@ -265,9 +265,9 @@ rcu_dereference()
rcu_read_lock();
p = rcu_dereference(head.next);
rcu_read_unlock();
- x = p->address;
+ x = p->address; /* BUG!!! */
rcu_read_lock();
- y = p->data;
+ y = p->data; /* BUG!!! */
rcu_read_unlock();
Holding a reference from one RCU read-side critical section
--
1.8.1.5
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