linux-kernel - Re: [PATCH printk v3 32/40] netconsole: avoid CON

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Message-ID: <Y20WGJjhiF0cyUd0@alley>
Date:   Thu, 10 Nov 2022 16:17:44 +0100
From:   Petr Mladek <pmladek@...e.com>
To:     John Ogness <john.ogness@...utronix.de>
Cc:     Sergey Senozhatsky <senozhatsky@...omium.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org
Subject: Re: [PATCH printk v3 32/40] netconsole: avoid CON_ENABLED misuse to
 track registration

On Mon 2022-11-07 15:22:30, John Ogness wrote:
> The CON_ENABLED flag is being misused to track whether or not the
> extended console should be or has been registered. Instead use
> a local variable to decide if the extended console should be
> registered and console_is_registered() to determine if it has
> been registered.
> 
> Also add a check in cleanup_netconsole() to only unregister the
> extended console if it has been registered.
> 
> Signed-off-by: John Ogness <john.ogness@...utronix.de>

Reviewed-by: Petr Mladek <pmladek@...e.com>

Best Regards,
Petr