linux-kernel - Re: [GIT PULL] s390 patches for v2.6.31-rc7

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Message-ID: <20090824135344.GC4639@cetus.boeblingen.de.ibm.com>
Date:	Mon, 24 Aug 2009 15:53:44 +0200
From:	Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>
To:	Bastian Blank <bastian@...di.eu.org>
Cc:	Martin Schwidefsky <schwidefsky@...ibm.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-s390 <linux-s390@...r.kernel.org>,
	Heiko Carstens <heiko.carstens@...ibm.com>
Subject: Re: [GIT PULL] s390 patches for v2.6.31-rc7

Bastian,

thanks for your feedback.

On Sun, Aug 23, 2009 at 10:15:26PM +0200, Bastian Blank wrote:
> On Sun, Aug 23, 2009 at 09:37:14PM +0200, Martin Schwidefsky wrote:
> > +static void __init set_preferred_console(void)
> > +{
> > +	if (MACHINE_IS_KVM) {
> > +		add_preferred_console("hvc", 0, NULL);
> > +		s390_virtio_console_init();
> > +		return;
> > +	}
> 
> Why this early return instead of else if as all options are mutually
> exclusive? Also why do you init the virtio console here instead of an
> console_initcall?
This is a bug fix to set the respective preferred console device for
conmode=3270. To make as few changes as possible for -rc7, the console
initialization for kvm has been moved to the new function.

You are right that s390_virtio_console_init() should be called from a 
console_initcall().  I started working on another patch to solve this
issue for the next kernel release.

Best regards,
  Hendrik
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