linux-hardening - Re: [PATCH v2 6/9] printk/nbcon: use panic_on_this

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Message-ID: <aMlIOt52xnLIvOpK@pathway.suse.cz>
Date: Tue, 16 Sep 2025 13:21:30 +0200
From: Petr Mladek <pmladek@...e.com>
To: Jinchao Wang <wangjinchao600@...il.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>, Baoquan He <bhe@...hat.com>,
	Yury Norov <yury.norov@...il.com>,
	Qianqiang Liu <qianqiang.liu@....com>,
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	Steven Rostedt <rostedt@...dmis.org>,
	John Ogness <john.ogness@...utronix.de>,
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	"Guilherme G. Piccoli" <gpiccoli@...lia.com>,
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	Ville Syrjälä <ville.syrjala@...ux.intel.com>,
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	dri-devel@...ts.freedesktop.org, kexec@...ts.infradead.org,
	linux-hardening@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 6/9] printk/nbcon: use panic_on_this_cpu() helper

On Mon 2025-08-25 10:29:34, Jinchao Wang wrote:
> nbcon_context_try_acquire() compared panic_cpu directly with
> smp_processor_id().  This open-coded check is now provided by
> panic_on_this_cpu().
> 
> Switch to panic_on_this_cpu() to simplify the code and improve readability.
> 

> Signed-off-by: Jinchao Wang <wangjinchao600@...il.com>

It looks good to me:

Reviewed-by: Petr Mladek <pmladek@...e.com>

Best Regards,
Petr