linux-kernel - Re: [PATCH printk v5 09/30] serial: core: Introduce wrapper to set @uart

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Date: Sat, 4 May 2024 18:08:40 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: John Ogness <john.ogness@...utronix.de>
Cc: Petr Mladek <pmladek@...e.com>,
	Sergey Senozhatsky <senozhatsky@...omium.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org,
	Jiri Slaby <jirislaby@...nel.org>,
	Russell King <linux@...linux.org.uk>,
	Tony Lindgren <tony@...mide.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
	Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
	Théo Lebrun <theo.lebrun@...tlin.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Hongyu Xie <xiehongyu1@...inos.cn>,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	Arnd Bergmann <arnd@...db.de>,
	Lino Sanfilippo <l.sanfilippo@...bus.com>,
	linux-serial@...r.kernel.org
Subject: Re: [PATCH printk v5 09/30] serial: core: Introduce wrapper to set
 @uart_port->cons

On Thu, May 02, 2024 at 11:44:18PM +0206, John Ogness wrote:
> Introduce uart_port_set_cons() as a wrapper to set @cons of a
> uart_port. The wrapper sets @cons under the port lock in order
> to prevent @cons from disappearing while another context is
> holding the port lock. This is necessary for a follow-up
> commit relating to the port lock wrappers, which rely on @cons
> not changing between lock and unlock.
> 
> Signed-off-by: John Ogness <john.ogness@...utronix.de>

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>