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

Paul E. McKenney
2020-05-13T22:41:55Z

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@linuxfoundation.org>
> Cc: Jiri Slaby <jslaby@suse.com>
> Cc: linux-kernel@vger.kernel.org
> Cc: "Paul E. McKenney" <paulmck@kernel.org>
> Cc: Josh Triplett <josh@joshtriplett.org>
> Cc: rcu@vger.kernel.org
> Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
> ---
> 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@kernel.org>

> ---
> 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
>