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Message-ID: <17899.39250.247475.777798@cargo.ozlabs.ibm.com>
Date: Mon, 5 Mar 2007 15:15:14 +1100
From: Paul Mackerras <paulus@...ba.org>
To: Gerd Hoffmann <kraxel@...e.de>
Cc: linux kernel mailing list <linux-kernel@...r.kernel.org>,
Jeremy Fitzhardinge <jeremy@...p.org>,
Andrew Morton <akpm@...ux-foundation.org>,
benh@...nel.crashing.org
Subject: Re: [patch] Fixes and cleanups for earlyprintk aka boot console.
Gerd Hoffmann writes:
> This patch fixes the console selection code to *not* consider a boot
> console a full-featured one, so the first non-boot console registering
> will become the default console instead. This way the unregister call
> for the boot console in the register_console() function actually
> triggers and the handover from the boot console to the real console
> device works smoothly. Added a printk for the handover, so you know
> which console device the output goes to when the boot console stops
> printing messages.
You have removed functionality that is useful for debugging, that 3
architectures had, namely a way to keep using the early boot console
and not replace it with a console that comes later, using a kernel
command line option. Perhaps you could provide a way to do that in
your patch.
Paul.
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