Add config.h and stamp-h2 to gitignore

[urcu.git] / urcu-qsbr-static.h

diff --git a/urcu-qsbr-static.h b/urcu-qsbr-static.h
index 86f0fc507449451d70f276571d3c6aa1be61d98a..147eb18b94357ee885216d3db65f252d54143944 100644 (file)
--- a/urcu-qsbr-static.h
+++ b/urcu-qsbr-static.h
@@ -9,7 +9,7 @@
  * TO BE INCLUDED ONLY IN LGPL-COMPATIBLE CODE. See urcu-qsbr.h for linking
  * dynamically with the userspace rcu QSBR library.
  *
- * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
+ * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  * Copyright (c) 2009 Paul E. McKenney, IBM Corporation.
  *
  * This library is free software; you can redistribute it and/or
@@ -187,10 +187,12 @@ static inline void _rcu_thread_offline(void)
        STORE_SHARED(rcu_reader.ctr, 0);
        smp_mb();       /* write rcu_reader.ctr before read futex */
        wake_up_gp();
+       barrier();      /* Ensure the compiler does not reorder us with mutex */
 }
 
 static inline void _rcu_thread_online(void)
 {
+       barrier();      /* Ensure the compiler does not reorder us with mutex */
        _STORE_SHARED(rcu_reader.ctr, LOAD_SHARED(rcu_gp_ctr));
        smp_mb();
 }