[PATCH tip/core/rcu 28/86] rcu: call __rcu_read_unlock() in exit_rcu for tree RCU

Paul E. McKenney
2011-05-01T13:38:14Z

From: Lai Jiangshan <laijs@cn.fujitsu.com>

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>
---
kernel/rcutree_plugin.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
index a21413d..11b27f3 100644
--- a/kernel/rcutree_plugin.h
+++ b/kernel/rcutree_plugin.h
@@ -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 */
--
1.7.3.2