On Wed, Jun 11, 2014 at 04:39:40PM -0400, Pranith Kumar wrote:
> kernel/rcu/tree_plugin.h:1494:13: warning: context imbalance in
> 'rcu_initiate_boost' - unexpected unlock
>
> by annotating the function with releases()
>
> Signed-off-by: Pranith Kumar <bobby.pr...@gmail.com>
Hearing no objections, I have queued this for 3.17.
Thanx, Paul
> ---
> kernel/rcu/tree_plugin.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
> index cbc2c45..0c955d9 100644
> --- a/kernel/rcu/tree_plugin.h
> +++ b/kernel/rcu/tree_plugin.h
> @@ -1256,6 +1256,7 @@ 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;
>
> @@ -1491,6 +1492,7 @@ 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);
> }
> --
> 1.9.1
>
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