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authorPranith Kumar <bobby.prani@gmail.com>2014-06-11 16:39:40 -0400
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2014-07-09 09:15:45 -0700
commit615e41c6050a4878b2b68297f4672287941b93cd (patch)
tree21fd86437c72b85aef936f552997016d8d8bccea /kernel/rcu
parentrcu: Fix __rcu_reclaim() to use true/false for bool (diff)
downloadlinux-dev-615e41c6050a4878b2b68297f4672287941b93cd.tar.xz
linux-dev-615e41c6050a4878b2b68297f4672287941b93cd.zip
rcu: Fix a sparse warning in rcu_initiate_boost()
This commit annotates rcu_initiate_boost() fixes the following sparse warning: kernel/rcu/tree_plugin.h:1494:13: warning: context imbalance in 'rcu_initiate_boost' - unexpected unlock Signed-off-by: Pranith Kumar <bobby.prani@gmail.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Diffstat (limited to 'kernel/rcu')
-rw-r--r--kernel/rcu/tree_plugin.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index b39ba7239bd6..0409ba34a05c 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -1259,6 +1259,7 @@ static int rcu_boost_kthread(void *arg)
* about it going away.
*/
static void rcu_initiate_boost(struct rcu_node *rnp, unsigned long flags)
+ __releases(rnp->lock)
{
struct task_struct *t;
@@ -1494,6 +1495,7 @@ static void rcu_prepare_kthreads(int cpu)
#else /* #ifdef CONFIG_RCU_BOOST */
static void rcu_initiate_boost(struct rcu_node *rnp, unsigned long flags)
+ __releases(rnp->lock)
{
raw_spin_unlock_irqrestore(&rnp->lock, flags);
}