From: Petr Mladek <pmladek@suse.com>
To: John Ogness <john.ogness@linutronix.de>
Cc: "Sergey Senozhatsky" <senozhatsky@chromium.org>,
"Steven Rostedt" <rostedt@goodmis.org>,
"Thomas Gleixner" <tglx@linutronix.de>,
linux-kernel@vger.kernel.org,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Jiri Slaby" <jirislaby@kernel.org>,
"Russell King" <linux@armlinux.org.uk>,
"Tony Lindgren" <tony@atomide.com>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"Théo Lebrun" <theo.lebrun@bootlin.com>,
"Linus Walleij" <linus.walleij@linaro.org>,
"Hongyu Xie" <xiehongyu1@kylinos.cn>,
"Christophe JAILLET" <christophe.jaillet@wanadoo.fr>,
"Arnd Bergmann" <arnd@arndb.de>,
"Lino Sanfilippo" <l.sanfilippo@kunbus.com>,
linux-serial@vger.kernel.org
Subject: Re: [PATCH printk v5 09/30] serial: core: Introduce wrapper to set @uart_port->cons
Date: Fri, 17 May 2024 16:51:18 +0200 [thread overview]
Message-ID: <Zkdu5v-ifyGNCV_n@pathway.suse.cz> (raw)
In-Reply-To: <20240502213839.376636-10-john.ogness@linutronix.de>
On Thu 2024-05-02 23:44:18, 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@linutronix.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Best Regards,
Petr
next prev parent reply other threads:[~2024-05-17 14:51 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-02 21:38 [PATCH printk v5 00/30] wire up write_atomic() printing John Ogness
2024-05-02 21:38 ` [PATCH printk v5 01/30] printk: Add notation to console_srcu locking John Ogness
2024-05-07 12:16 ` Petr Mladek
2024-05-02 21:38 ` [PATCH printk v5 02/30] printk: Properly deal with nbcon consoles on seq init John Ogness
2024-05-02 21:38 ` [PATCH printk v5 03/30] printk: nbcon: Remove return value for write_atomic() John Ogness
2024-05-02 21:38 ` [PATCH printk v5 04/30] printk: Check printk_deferred_enter()/_exit() usage John Ogness
2024-05-02 21:38 ` [PATCH printk v5 05/30] printk: nbcon: Add detailed doc for write_atomic() John Ogness
2024-05-07 12:26 ` Petr Mladek
2024-05-02 21:38 ` [PATCH printk v5 06/30] printk: nbcon: Add callbacks to synchronize with driver John Ogness
2024-05-17 13:31 ` Petr Mladek
2024-05-17 14:00 ` John Ogness
2024-05-17 14:40 ` Petr Mladek
2024-05-02 21:38 ` [PATCH printk v5 07/30] printk: nbcon: Use driver synchronization while (un)registering John Ogness
2024-05-06 10:27 ` John Ogness
2024-05-17 13:44 ` Petr Mladek
2024-05-02 21:38 ` [PATCH printk v5 08/30] serial: core: Provide low-level functions to lock port John Ogness
2024-05-02 21:38 ` [PATCH printk v5 09/30] serial: core: Introduce wrapper to set @uart_port->cons John Ogness
2024-05-03 8:09 ` Théo Lebrun
2024-05-04 16:08 ` Greg Kroah-Hartman
2024-05-17 14:51 ` Petr Mladek [this message]
2024-05-02 21:38 ` [PATCH printk v5 10/30] console: Improve console_srcu_read_flags() comments John Ogness
2024-05-17 14:55 ` Petr Mladek
2024-05-02 21:38 ` [PATCH printk v5 11/30] nbcon: Provide functions for drivers to acquire console for non-printing John Ogness
2024-05-06 10:29 ` John Ogness
2024-05-20 12:13 ` Petr Mladek
2024-05-02 21:38 ` [PATCH printk v5 12/30] serial: core: Implement processing in port->lock wrapper John Ogness
2024-05-04 16:08 ` Greg Kroah-Hartman
2024-05-20 12:22 ` Petr Mladek
2024-05-02 21:38 ` [PATCH printk v5 13/30] printk: nbcon: Do not rely on proxy headers John Ogness
2024-05-02 21:38 ` [PATCH printk v5 14/30] printk: nbcon: Fix kerneldoc for enums John Ogness
2024-05-02 21:38 ` [PATCH printk v5 15/30] printk: Make console_is_usable() available to nbcon John Ogness
2024-05-02 21:38 ` [PATCH printk v5 16/30] printk: Let console_is_usable() handle nbcon John Ogness
2024-05-02 21:38 ` [PATCH printk v5 17/30] printk: Add @flags argument for console_is_usable() John Ogness
2024-05-02 21:38 ` [PATCH printk v5 18/30] printk: nbcon: Add helper to assign priority based on CPU state John Ogness
2024-05-02 21:38 ` [PATCH printk v5 19/30] printk: nbcon: Provide function to flush using write_atomic() John Ogness
2024-05-20 15:04 ` Petr Mladek
2024-05-21 19:07 ` John Ogness
2024-05-02 21:38 ` [PATCH printk v5 20/30] printk: Track registered boot consoles John Ogness
2024-05-02 21:38 ` [PATCH printk v5 21/30] printk: nbcon: Use nbcon consoles in console_flush_all() John Ogness
2024-05-21 8:41 ` Petr Mladek
2024-05-02 21:38 ` [PATCH printk v5 22/30] printk: nbcon: Add unsafe flushing on panic John Ogness
2024-05-02 21:38 ` [PATCH printk v5 23/30] printk: Avoid console_lock dance if no legacy or boot consoles John Ogness
2024-05-02 21:38 ` [PATCH printk v5 24/30] printk: Track nbcon consoles John Ogness
2024-05-02 21:38 ` [PATCH printk v5 25/30] printk: Coordinate direct printing in panic John Ogness
2024-05-02 21:38 ` [PATCH printk v5 26/30] printk: nbcon: Implement emergency sections John Ogness
2024-05-06 10:39 ` John Ogness
2024-05-21 12:37 ` Petr Mladek
2024-05-21 13:38 ` Petr Mladek
2024-05-02 21:38 ` [PATCH printk v5 27/30] panic: Mark emergency section in warn John Ogness
2024-05-02 21:38 ` [PATCH printk v5 28/30] panic: Mark emergency section in oops John Ogness
2024-05-02 21:38 ` [PATCH printk v5 29/30] rcu: Mark emergency sections in rcu stalls John Ogness
2024-05-21 14:03 ` Petr Mladek
2024-05-02 21:38 ` [PATCH printk v5 30/30] lockdep: Mark emergency sections in lockdep splats John Ogness
2024-05-21 15:13 ` Petr Mladek
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