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

[Petr Mladek]

On Fri 2022-06-24 18:41:36, Steven Rostedt wrote:
> On Tue, 21 Jun 2022 00:57:09 +0206
> John Ogness <john.ogness@xxxxxxxxxxxxx> 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?

It works. If the boot console stays then the console kthreads will
never get enabled.

Well, I hope that we will be able to add the synchronization and remove
this constraint. I think that the port->lock should be usable in
most cases.

Best Regards,
Petr