linux-kernel - Re: [PATCH printk v3 39/40] printk: relieve console

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Date:   Fri, 11 Nov 2022 14:06:09 +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
Subject: Re: [PATCH printk v3 39/40] printk: relieve console_lock of list
 synchronization duties

On Mon 2022-11-07 15:22:37, John Ogness wrote:
> The console_list_lock provides synchronization for console list and
> console->flags updates. All call sites that were using the console_lock
> for this synchronization have either switched to use the
> console_list_lock or the SRCU list iterator.
> 
> Remove console_lock usage for console list updates and console->flags
> updates.
> 
> Signed-off-by: John Ogness <john.ogness@...utronix.de>

All the accesses to console->flags and all the console_list walks
looks safe, so:

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

Best Regards,
Petr