Re: [PATCH 11/11] rcu: constify sysrq_key_op

[Paul E. McKenney]

On Wed, May 13, 2020 at 10:43:51PM +0100, Emil Velikov wrote:
> With earlier commits, the API no longer discards the const-ness of the
> sysrq_key_op. As such we can add the notation.
> 
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: Jiri Slaby <jslaby@xxxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxx>
> Cc: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
> Cc: rcu@xxxxxxxxxxxxxxx
> Signed-off-by: Emil Velikov <emil.l.velikov@xxxxxxxxx>
> ---
> Please keep me in the CC list, as I'm not subscribed to the list.
> 
> IMHO it would be better if this gets merged this via the tty tree.

Works for me:

Reviewed-by: Paul E. McKenney <paulmck@xxxxxxxxxx>

> ---
>  kernel/rcu/tree_stall.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/kernel/rcu/tree_stall.h b/kernel/rcu/tree_stall.h
> index 119ed6afd20f..4e6ed7b91f59 100644
> --- a/kernel/rcu/tree_stall.h
> +++ b/kernel/rcu/tree_stall.h
> @@ -729,7 +729,7 @@ static void sysrq_show_rcu(int key)
>  	show_rcu_gp_kthreads();
>  }
>  
> -static struct sysrq_key_op sysrq_rcudump_op = {
> +static const struct sysrq_key_op sysrq_rcudump_op = {
>  	.handler = sysrq_show_rcu,
>  	.help_msg = "show-rcu(y)",
>  	.action_msg = "Show RCU tree",
> -- 
> 2.25.1
>