rcu: call __rcu_read_unlock() in exit_rcu for tree RCU
authorLai Jiangshan <laijs@cn.fujitsu.com>
Fri, 25 Feb 2011 19:37:59 +0000 (11:37 -0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Fri, 6 May 2011 06:16:58 +0000 (23:16 -0700)
Using __rcu_read_lock() in place of rcu_read_lock() leaves any debug
state as it really should be, namely with the lock still held.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
kernel/rcutree_plugin.h

index a21413d0581dbc5ef78807d8c63a31b420e4832e..11b27f377b8ba4245778993b64ae75ea6999b124 100644 (file)
@@ -858,7 +858,7 @@ void exit_rcu(void)
        if (t->rcu_read_lock_nesting == 0)
                return;
        t->rcu_read_lock_nesting = 1;
-       rcu_read_unlock();
+       __rcu_read_unlock();
 }
 
 #else /* #ifdef CONFIG_TREE_PREEMPT_RCU */