Re: [PATCH tip/core/rcu 07/15] rcu: Fix obsolete rcu_initiate_boost() header comment

[Josh Triplett <josh@joshtriplett.org>]

On Thu, Aug 30, 2012 at 11:56:20AM -0700, Paul E. McKenney wrote:
> From: "Paul E. McKenney" <paul.mckenney@linaro.org>
> 
> Commit 1217ed1b (rcu: permit rcu_read_unlock() to be called while holding
> runqueue locks) made rcu_initiate_boost() restore irq state when releasing
> the rcu_node structure's ->lock, but failed to update the header comment
> accordingly.  This commit therefore brings the header comment up to date.
> 
> Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

Reviewed-by: Josh Triplett <josh@joshtriplett.org>

> ---
>  kernel/rcutree_plugin.h |    6 +++---
>  1 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
> index c930a47..3ea60c9 100644
> --- a/kernel/rcutree_plugin.h
> +++ b/kernel/rcutree_plugin.h
> @@ -1193,9 +1193,9 @@ static int rcu_boost_kthread(void *arg)
>   * kthread to start boosting them.  If there is an expedited grace
>   * period in progress, it is always time to boost.
>   *
> - * The caller must hold rnp->lock, which this function releases,
> - * but irqs remain disabled.  The ->boost_kthread_task is immortal,
> - * so we don't need to worry about it going away.
> + * The caller must hold rnp->lock, which this function releases.
> + * The ->boost_kthread_task is immortal, so we don't need to worry
> + * about it going away.
>   */
>  static void rcu_initiate_boost(struct rcu_node *rnp, unsigned long flags)
>  {
> -- 
> 1.7.8
>