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

From: Marek Behún
Date: Mon Jun 20 2022 - 14:39:10 EST


On Mon, 20 Jun 2022 17:14:27 +0200
Petr Mladek <pmladek@xxxxxxxx> wrote:

> The console kthreads uncovered several races in console drivers.
> All problems were in situation when a console was being properly
> initialized and registered while an early console, using the same
> port, was being used.
>
> These problems are pretty hard to debug because they often result
> into silent boot crashes. It would be nice to fix them but it
> looks like a can of worms.
>
> Prevent these problems by delaying the use of console kthreads
> after all early consoles are gone. It might later be optimized.
> But let's close this can of worms with a big hammer for now
> so that they do not break first impression on the kthreads
> that solve other real problems.
>
> Link: https://lore.kernel.org/r/20220619204949.50d9154d@thinkpad
> Link: https://lore.kernel.org/r/2a82eae7-a256-f70c-fd82-4e510750906e@xxxxxxxxxxx
> Reported=by: Marek Behún <kabel@xxxxxxxxxx>
> Signed-off-by: Petr Mladek <pmladek@xxxxxxxx>

This solves the issue. You have a typo in the reported-by tag
('=' instead of '-').

Tested-by: Marek Behún <kabel@xxxxxxxxxx>