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From: John Ogness <john.ogness@linutronix.de>
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To: Petr Mladek <pmladek@suse.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Jiri Slaby
 <jirislaby@kernel.org>, Sergey Senozhatsky <senozhatsky@chromium.org>,
 Steven Rostedt <rostedt@goodmis.org>, Thomas Gleixner
 <tglx@linutronix.de>, Esben Haabendal <esben@geanix.com>,
 linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Andy
 Shevchenko <andriy.shevchenko@linux.intel.com>, Arnd Bergmann
 <arnd@arndb.de>, Tony Lindgren <tony@atomide.com>, Niklas Schnelle
 <schnelle@linux.ibm.com>, Serge Semin <fancer.lancer@gmail.com>, Andrew
 Murray <amurray@thegoodpenguin.co.uk>, Petr Mladek <pmladek@suse.com>
Subject: Re: [PATCH 2/3] printk/nbcon/panic: Allow printk kthread to sleep
 when the system is in panic
In-Reply-To: <20250926124912.243464-3-pmladek@suse.com>
References: <20250926124912.243464-1-pmladek@suse.com>
 <20250926124912.243464-3-pmladek@suse.com>
Date: Fri, 26 Sep 2025 16:44:27 +0206
Message-ID: <84y0q1gty4.fsf@jogness.linutronix.de>
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On 2025-09-26, Petr Mladek <pmladek@suse.com> wrote:
> The printk kthread might be running when there is a panic in progress.
> But it is not able to acquire the console ownership any longer.
>
> Prevent the desperate attempts to acquire the ownership and allow sleeping
> in panic. It would make it behave the same as when there is any CPU
> in an emergency context.
>
> Signed-off-by: Petr Mladek <pmladek@suse.com>

Reviewed-by: John Ogness <john.ogness@linutronix.de>