linux-kernel - Re: [PATCH] printk/console: Enable console kthreads only when there is no boot console left

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Message-ID: <20220624184136.4aab12fb@rorschach.local.home>
Date:   Fri, 24 Jun 2022 18:41:36 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     John Ogness <john.ogness@...utronix.de>
Cc:     Petr Mladek <pmladek@...e.com>,
        Marek Behún <kabel@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Jan Kara <jack@...e.cz>, Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH] printk/console: Enable console kthreads only when there
 is no boot console left

On Tue, 21 Jun 2022 00:57:09 +0206
John Ogness <john.ogness@...utronix.de> wrote:

> Since early printing does not use the kernel driver model, I do not see
> a clear solution at this point. But since using early printing is not a
> typical use, I am OK with this patch.

Does this patch still work if you add the "keep" flag to the
earlyprintk kernel parameter?

-- Steve