linux-kernel - Re: [PATCH v2 3/4] printk: Use console_is_usable on console

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Message-ID: <aSb_qmjfNc1seDzb@pathway.suse.cz>
Date: Wed, 26 Nov 2025 14:24:58 +0100
From: Petr Mladek <pmladek@...e.com>
To: Marcos Paulo de Souza <mpdesouza@...e.com>
Cc: Steven Rostedt <rostedt@...dmis.org>,
	John Ogness <john.ogness@...utronix.de>,
	Sergey Senozhatsky <senozhatsky@...omium.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Jason Wessel <jason.wessel@...driver.com>,
	Daniel Thompson <danielt@...nel.org>,
	Douglas Anderson <dianders@...omium.org>,
	Richard Weinberger <richard@....at>,
	Anton Ivanov <anton.ivanov@...bridgegreys.com>,
	Johannes Berg <johannes@...solutions.net>,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
	kgdb-bugreport@...ts.sourceforge.net, linux-um@...ts.infradead.org
Subject: Re: [PATCH v2 3/4] printk: Use console_is_usable on console_unblank

On Fri 2025-11-21 15:50:35, Marcos Paulo de Souza wrote:
> The macro for_each_console_srcu iterates over all registered consoles. It's
> implied that all registered consoles have CON_ENABLED flag set, making
> the check for the flag unnecessary. Call console_is_usable function to
> fully verify if the given console is usable before calling the ->unblank
> callback.
> 
> Signed-off-by: Marcos Paulo de Souza <mpdesouza@...e.com>

Makes sense:

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

Best Regards,
Petr