linux-kernel - Re: [PATCH 5.15-rt] printk: ignore consoles without write() callback

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Message-ID: <87bkls65pf.fsf@jogness.linutronix.de>
Date:   Fri, 17 Feb 2023 09:51:16 +0106
From:   John Ogness <john.ogness@...utronix.de>
To:     Sebastian Siewior <bigeasy@...utronix.de>
Cc:     Clark Williams <williams@...hat.com>,
        Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Michael Thalmeier <michael.thalmeier@...e.at>,
        Vincent Whitchurch <vincent.whitchurch@...s.com>,
        linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org
Subject: Re: [PATCH 5.15-rt] printk: ignore consoles without write() callback

On 2023-02-16, Sebastian Siewior <bigeasy@...utronix.de> wrote:
>>  This is only a problem for the PREEMPT_RT tree. Mainline does not have
>>  this problem.
>
> Is this 5.15 and less or current dev RT and less?

5.10-rt is also affected. The changes for 5.10-rt are the same, but the
patch does not apply as-is. I will reply with a patch for 5.10-rt.

5.4-rt is not affected.

John Ogness