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,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
Waiman Long <longman@redhat.com>,
Boqun Feng <boqun.feng@gmail.com>
Subject: Re: [PATCH printk v2 26/26] lockdep: Mark emergency section in lockdep splats
Date: Fri, 1 Mar 2024 16:18:23 +0100 [thread overview]
Message-ID: <ZeHxv4QW_N4XomjM@alley> (raw)
In-Reply-To: <20240218185726.1994771-27-john.ogness@linutronix.de>
On Sun 2024-02-18 20:03:26, John Ogness wrote:
> Mark an emergency section within print_usage_bug(), where
> lockdep bugs are printed. In this section, the CPU will not
> perform console output for the printk() calls. Instead, a
> flushing of the console output is triggered when exiting
> the emergency section.
>
> Signed-off-by: John Ogness <john.ogness@linutronix.de>
The patch looks fine from my POV. Well, I expect that you will send
another version addressing Waiman's concerns.
Best Regards,
Petr
prev parent reply other threads:[~2024-03-01 15:18 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-18 18:57 [PATCH printk v2 00/26] wire up write_atomic() printing John Ogness
2024-02-18 18:57 ` [PATCH printk v2 01/26] serial: core: Provide port lock wrappers John Ogness
2024-02-18 18:57 ` [PATCH printk v2 02/26] serial: core: Use " John Ogness
2024-02-18 18:57 ` [PATCH printk v2 03/26] serial: core: fix kernel-doc for uart_port_unlock_irqrestore() John Ogness
2024-02-18 18:57 ` [PATCH printk v2 04/26] printk: Consider nbcon boot consoles on seq init John Ogness
2024-02-20 10:26 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 05/26] printk: Add notation to console_srcu locking John Ogness
2024-02-20 10:29 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 06/26] printk: nbcon: Ensure ownership release on failed emit John Ogness
2024-02-20 15:16 ` Petr Mladek
2024-02-20 16:29 ` John Ogness
2024-02-21 13:23 ` John Ogness
2024-02-18 18:57 ` [PATCH printk v2 07/26] printk: Check printk_deferred_enter()/_exit() usage John Ogness
2024-02-21 9:55 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 08/26] printk: nbcon: Implement processing in port->lock wrapper John Ogness
2024-02-19 12:16 ` Andy Shevchenko
2024-02-19 14:18 ` John Ogness
2024-02-19 14:35 ` Andy Shevchenko
2024-02-19 16:52 ` John Ogness
2024-02-19 17:14 ` Andy Shevchenko
2024-02-23 10:51 ` Petr Mladek
2024-03-11 17:08 ` John Ogness
2024-03-13 9:49 ` John Ogness
2024-03-22 6:23 ` Tony Lindgren
2024-03-27 9:32 ` John Ogness
2024-03-27 13:12 ` Andy Shevchenko
2024-03-14 11:37 ` John Ogness
2024-03-14 14:26 ` Petr Mladek
2024-03-15 15:04 ` John Ogness
2024-03-18 15:42 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 09/26] printk: nbcon: Add detailed doc for write_atomic() John Ogness
2024-02-23 13:11 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 10/26] printk: nbcon: Fix kerneldoc for enums John Ogness
2024-02-18 19:10 ` Randy Dunlap
2024-02-23 13:13 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 11/26] printk: Make console_is_usable() available to nbcon John Ogness
2024-02-18 18:57 ` [PATCH printk v2 12/26] printk: Let console_is_usable() handle nbcon John Ogness
2024-02-18 18:57 ` [PATCH printk v2 13/26] printk: Add @flags argument for console_is_usable() John Ogness
2024-02-18 18:57 ` [PATCH printk v2 14/26] printk: nbcon: Provide function to flush using write_atomic() John Ogness
2024-02-23 15:47 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 15/26] printk: Track registered boot consoles John Ogness
2024-02-23 15:57 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 16/26] printk: nbcon: Use nbcon consoles in console_flush_all() John Ogness
2024-02-23 17:15 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 17/26] printk: nbcon: Assign priority based on CPU state John Ogness
2024-02-29 13:50 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 18/26] printk: nbcon: Add unsafe flushing on panic John Ogness
2024-02-29 13:53 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 19/26] printk: Avoid console_lock dance if no legacy or boot consoles John Ogness
2024-02-29 15:19 ` Petr Mladek
2024-02-29 16:19 ` READ_ONCE: was: " Petr Mladek
2024-02-29 22:51 ` Paul E. McKenney
2024-02-18 18:57 ` [PATCH printk v2 20/26] printk: Track nbcon consoles John Ogness
2024-03-01 9:39 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 21/26] printk: Coordinate direct printing in panic John Ogness
2024-03-01 13:05 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 22/26] printk: nbcon: Implement emergency sections John Ogness
2024-03-01 13:28 ` Petr Mladek
2024-03-01 15:49 ` flush was: " Petr Mladek
2024-03-01 16:12 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 23/26] panic: Mark emergency section in warn John Ogness
2024-03-01 13:57 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 24/26] panic: Mark emergency section in oops John Ogness
2024-03-01 14:55 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 25/26] rcu: Mark emergency section in rcu stalls John Ogness
2024-03-01 15:13 ` Petr Mladek
2024-02-18 18:57 ` [PATCH printk v2 26/26] lockdep: Mark emergency section in lockdep splats John Ogness
2024-02-19 4:14 ` Waiman Long
2024-02-19 11:11 ` John Ogness
2024-02-19 15:07 ` Waiman Long
2024-03-01 15:18 ` Petr Mladek [this message]
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