linux-kernel - Re: [PATCH v2] printk_legacy_map: use LD_WAIT_CONFIG instead of LD_WAIT

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Message-ID: <20251023154657.GD26461@redhat.com>
Date: Thu, 23 Oct 2025 17:46:58 +0200
From: Oleg Nesterov <oleg@...hat.com>
To: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: John Ogness <john.ogness@...utronix.de>, Petr Mladek <pmladek@...e.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] printk_legacy_map: use LD_WAIT_CONFIG instead of
 LD_WAIT_SLEEP

Again, quite possibly I am wrong. please see my reply in another thread,
https://lore.kernel.org/all/20251023152942.GC26461@redhat.com/

On 10/23, Sebastian Andrzej Siewior wrote:
>
> This does not matter. My point is that there no need for this ifdefery.

I disagree. Rightly or not. To me this ifdefery in printk.c make the intent
more clear.

I am still thinking about the possible cleanup of the current usage of
DEFINE_WAIT_OVERRIDE_MAP(), but I think that, whatever we do, this cleanup
should take CONFIG_RT into account.

Oleg.