linux-kernel - Re: [PATCH 1/2] printk: nbcon: move locked_port flag to struct uart

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Message-ID: <87il3gv845.fsf@jogness.linutronix.de>
Date: Fri, 26 Jan 2024 09:04:34 +0106
From: John Ogness <john.ogness@...utronix.de>
To: Sebastian Andrzej Siewior <bigeasy@...utronix.de>, "Chang, Junxiao"
 <junxiao.chang@...el.com>
Cc: "tglx@...utronix.de" <tglx@...utronix.de>, "rostedt@...dmis.org"
 <rostedt@...dmis.org>, "linux-kernel@...r.kernel.org"
 <linux-kernel@...r.kernel.org>, "Li, Hao3" <hao3.li@...el.com>, "Li, Lili"
 <lili.li@...el.com>, "Gao, Jianfeng" <jianfeng.gao@...el.com>,
 "linux-rt-users@...r.kernel.org" <linux-rt-users@...r.kernel.org>
Subject: Re: [PATCH 1/2] printk: nbcon: move locked_port flag to struct
 uart_port

Hi Sebastian,

On 2024-01-25, Sebastian Andrzej Siewior <bigeasy@...utronix.de> wrote:
> Okay, So that I see this and the unbalanced acquire/ release part with
> the attached patch. I leave it to John...

Please add this one patch to the 6.6-rt and later queues. The 2nd patch
in this series is not needed.

For 6.8 the fix may end up looking different, i.e. by eliminating the
struct console pointer sharing instead. But for now this patch is fully
sufficient.

Thanks.

John