linux-kernel - Re: [PATCH] rcu-tasks: Fix the comments for tasks_rcu_exit_srcu_stall

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Date: Mon, 26 Feb 2024 10:54:56 -0800
From: "Paul E. McKenney" <paulmck@...nel.org>
To: Zqiang <qiang.zhang1211@...il.com>
Cc: frederic@...nel.org, neeraj.upadhyay@...nel.org, joel@...lfernandes.org,
	rcu@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rcu-tasks: Fix the comments for
 tasks_rcu_exit_srcu_stall_timer

On Mon, Feb 26, 2024 at 11:24:39AM +0800, Zqiang wrote:
> The synchronize_srcu() has been removed by commit("rcu-tasks: Eliminate
> deadlocks involving do_exit() and RCU tasks") in rcu_tasks_postscan.
> This commit therefore fix the comments of tasks_rcu_exit_srcu_stall_timer.
> 
> Signed-off-by: Zqiang <qiang.zhang1211@...il.com>

Queued, most likely for the v6.10 merge window, thank you!

							Thanx, Paul

> ---
>  kernel/rcu/tasks.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h
> index 78d74c81cc24..d5319bbe8c98 100644
> --- a/kernel/rcu/tasks.h
> +++ b/kernel/rcu/tasks.h
> @@ -150,7 +150,7 @@ static struct rcu_tasks rt_name =							\
>  
>  #ifdef CONFIG_TASKS_RCU
>  
> -/* Report delay in synchronize_srcu() completion in rcu_tasks_postscan(). */
> +/* Report delay of scan exiting tasklist in rcu_tasks_postscan(). */
>  static void tasks_rcu_exit_srcu_stall(struct timer_list *unused);
>  static DEFINE_TIMER(tasks_rcu_exit_srcu_stall_timer, tasks_rcu_exit_srcu_stall);
>  #endif
> -- 
> 2.17.1
>