linux-kernel - Re: [PATCH] powerpc/lpar - defer prefered console setup

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Message-ID: <20080730062919.GA27281@wavehammer.waldi.eu.org>
Date:	Wed, 30 Jul 2008 08:29:19 +0200
From:	Bastian Blank <waldi@...ian.org>
To:	Michael Ellerman <michael@...erman.id.au>, linuxppc-dev@...abs.org,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/lpar - defer prefered console setup

On Wed, Jul 30, 2008 at 08:23:13AM +0200, Bastian Blank wrote:
> On Wed, Jul 30, 2008 at 12:34:51PM +1000, Michael Ellerman wrote:
> > On Mon, 2008-07-28 at 20:56 +0200, Bastian Blank wrote:
> >  * add_preferred_console - add a device to the list of preferred consoles.
> >  ...
> >  * The last preferred console added will be used for kernel messages
> >  * and stdin/out/err for init. 
> > 
> > The last console will be added by the console= parsing, and so that will
> > be used. The console we add in the pseries setup is only used if nothing
> > is specified on the command line.
> 
> Okay, then there is a completely different problem. In the case of
> "console=hvc0 console=hvc1" it uses the _first_ add stdin/out bla and
> ignores the second one completely.

Okay, so hvc_console is the culprit. It don't register a preferred
console if it knows it is not the first in the list.

Bastian

-- 
Intuition, however illogical, is recognized as a command prerogative.
		-- Kirk, "Obsession", stardate 3620.7
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