linux-kernel - Re: [PATCH printk 08/18] parisc: Put console abuse into one place

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Date:   Fri, 30 Sep 2022 09:54:42 +0200
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,
        "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        Helge Deller <deller@....de>,
        Sven Schnelle <svens@...ckframe.org>,
        John David Anglin <dave.anglin@...l.net>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Julia Lawall <Julia.Lawall@...ia.fr>,
        linux-parisc@...r.kernel.org
Subject: Re: [PATCH printk 08/18] parisc: Put console abuse into one place

On Sat 2022-09-24 02:10:44, John Ogness wrote:
> From: Thomas Gleixner <tglx@...utronix.de>
> 
> PARISC has a hope based mechanism to restore consoles in case of a HPMC
> (machine check exception) which is scattered over several places.
> 
> Move it into one place to make further changes simpler and add comments.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Signed-off-by: John Ogness <john.ogness@...utronix.de>
> Reviewed-by: Sergey Senozhatsky <senozhatsky@...omium.org>

I agree that the mechanism is weird. A bit more safe approach would be
to just disable all consoles instead of unregistering them...

Anyway, the patch does not change the existing behavior:

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

Best Regards,
Petr