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
Subject: Re: [PATCH printk v7 25/35] printk: Flush nbcon consoles first on panic
Date: Tue, 6 Aug 2024 10:31:42 +0200 [thread overview]
Message-ID: <ZrHfVKnw_n1mOXmZ@pathway.suse.cz> (raw)
In-Reply-To: <20240804005138.3722656-26-john.ogness@linutronix.de>
On Sun 2024-08-04 02:57:28, John Ogness wrote:
> In console_flush_on_panic(), flush the nbcon consoles before
> flushing legacy consoles. The legacy write() callbacks are not
> fully safe when oops_in_progress is set.
>
> 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:[~2024-08-06 8:31 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-04 0:51 [PATCH printk v7 00/35] wire up write_atomic() printing John Ogness
2024-08-04 0:51 ` [PATCH printk v7 01/35] printk: Add notation to console_srcu locking John Ogness
2024-08-04 0:51 ` [PATCH printk v7 02/35] printk: nbcon: Consolidate alloc() and init() John Ogness
2024-08-05 14:39 ` Petr Mladek
2024-08-04 0:51 ` [PATCH printk v7 03/35] printk: Properly deal with nbcon consoles on seq init John Ogness
2024-08-04 0:51 ` [PATCH printk v7 04/35] printk: Check printk_deferred_enter()/_exit() usage John Ogness
2024-08-04 0:51 ` [PATCH printk v7 05/35] printk: nbcon: Clarify rules of the owner/waiter matching John Ogness
2024-08-04 0:51 ` [PATCH printk v7 06/35] printk: nbcon: Remove return value for write_atomic() John Ogness
2024-08-04 0:51 ` [PATCH printk v7 07/35] printk: nbcon: Add detailed doc " John Ogness
2024-08-04 0:51 ` [PATCH printk v7 08/35] printk: nbcon: Add callbacks to synchronize with driver John Ogness
2024-08-04 0:51 ` [PATCH printk v7 09/35] printk: nbcon: Use driver synchronization while (un)registering John Ogness
2024-08-04 0:51 ` [PATCH printk v7 10/35] serial: core: Provide low-level functions to lock port John Ogness
2024-08-04 0:51 ` [PATCH printk v7 11/35] serial: core: Introduce wrapper to set @uart_port->cons John Ogness
2024-08-04 0:51 ` [PATCH printk v7 12/35] console: Improve console_srcu_read_flags() comments John Ogness
2024-08-04 0:51 ` [PATCH printk v7 13/35] nbcon: Add API to acquire context for non-printing operations John Ogness
2024-08-04 0:51 ` [PATCH printk v7 14/35] serial: core: Acquire nbcon context in port->lock wrapper John Ogness
2024-08-04 0:51 ` [PATCH printk v7 15/35] printk: nbcon: Do not rely on proxy headers John Ogness
2024-08-04 0:51 ` [PATCH printk v7 16/35] printk: Make console_is_usable() available to nbcon.c John Ogness
2024-08-04 0:51 ` [PATCH printk v7 17/35] printk: Let console_is_usable() handle nbcon John Ogness
2024-08-04 0:51 ` [PATCH printk v7 18/35] printk: Add @flags argument for console_is_usable() John Ogness
2024-08-04 0:51 ` [PATCH printk v7 19/35] printk: nbcon: Add helper to assign priority based on CPU state John Ogness
2024-08-04 0:51 ` [PATCH printk v7 20/35] printk: nbcon: Provide function to flush using write_atomic() John Ogness
2024-08-05 14:59 ` Petr Mladek
2024-08-04 0:51 ` [PATCH printk v7 21/35] printk: Track registered boot consoles John Ogness
2024-08-04 0:51 ` [PATCH printk v7 22/35] printk: nbcon: Use nbcon consoles in console_flush_all() John Ogness
2024-08-04 0:51 ` [PATCH printk v7 23/35] printk: Add is_printk_legacy_deferred() John Ogness
2024-08-05 15:03 ` Petr Mladek
2024-08-04 0:51 ` [PATCH printk v7 24/35] printk: nbcon: Flush new records on device_release() John Ogness
2024-08-05 15:31 ` Petr Mladek
2024-08-07 1:15 ` John Ogness
2024-08-07 12:48 ` Petr Mladek
2024-08-04 0:51 ` [PATCH printk v7 25/35] printk: Flush nbcon consoles first on panic John Ogness
2024-08-06 8:31 ` Petr Mladek [this message]
2024-08-04 0:51 ` [PATCH printk v7 26/35] printk: nbcon: Add unsafe flushing " John Ogness
2024-08-04 0:51 ` [PATCH printk v7 27/35] printk: Avoid console_lock dance if no legacy or boot consoles John Ogness
2024-08-06 8:40 ` Petr Mladek
2024-08-04 0:51 ` [PATCH printk v7 28/35] printk: Track nbcon consoles John Ogness
2024-08-04 0:51 ` [PATCH printk v7 29/35] printk: Coordinate direct printing in panic John Ogness
2024-08-06 9:59 ` Petr Mladek
2024-08-06 17:29 ` Linus Torvalds
2024-08-06 12:17 ` Petr Mladek
2024-08-04 0:51 ` [PATCH printk v7 30/35] printk: Add helper for flush type logic John Ogness
2024-08-07 11:39 ` Petr Mladek
2024-08-07 14:11 ` John Ogness
2024-08-08 9:03 ` Petr Mladek
2024-08-04 0:51 ` [PATCH printk v7 31/35] printk: nbcon: Implement emergency sections John Ogness
2024-08-07 12:52 ` Petr Mladek
2024-08-04 0:51 ` [PATCH printk v7 32/35] panic: Mark emergency section in warn John Ogness
2024-08-04 0:51 ` [PATCH printk v7 33/35] panic: Mark emergency section in oops John Ogness
2024-08-04 0:51 ` [PATCH printk v7 34/35] rcu: Mark emergency sections in rcu stalls John Ogness
2024-08-04 0:51 ` [PATCH printk v7 35/35] lockdep: Mark emergency sections in lockdep splats John Ogness
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