linux-kernel - Re: [PATCH 3.13 35/99] tty: Set correct tty name in active sysfs attribute

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Date:	Fri, 21 Feb 2014 15:52:44 +0100
From:	Hannes Reinecke <hare@...e.de>
To:	Josh Boyer <jwboyer@...oraproject.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>,
	"stable@...r.kernel.org" <stable@...r.kernel.org>,
	Lennart Poettering <lennart@...ttering.net>,
	Kay Sievers <kay@...y.org>, Jiri Slaby <jslaby@...e.cz>,
	David Herrmann <dh.herrmann@...il.com>,
	Werner Fink <werner@...e.de>, Ray Strode <halfline@...il.com>
Subject: Re: [PATCH 3.13 35/99] tty: Set correct tty name in active sysfs
 attribute

On 02/21/2014 03:48 PM, Josh Boyer wrote:
> On Thu, Feb 20, 2014 at 6:52 PM, Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
>> 3.13-stable review patch.  If anyone has any objections, please let me know.
>>
>> ------------------
>>
>> From: Hannes Reinecke <hare@...e.de>
>>
>> commit d8a5dc3033af2fd6d16030d2ee4fbd073460fe54 upstream.
>>
>> The 'active' sysfs attribute should refer to the currently active tty
>> devices the console is running on, not the currently active console.
>>
>> The console structure doesn't refer to any device in sysfs, only the tty
>> the console is running on has.  So we need to print out the tty names in
>> 'active', not the console names.
>>
>> This resolves an issue on s390 platforms in determining the correct
>> console device to use.
> 
> Just to be double sure this is seen, Ray points out that it breaks
> current plymouth because the heuristic changed.  Hold off on this one?
> 
Without this patch systemd won't present a login console for s390.
I'd prefer fixing plymouth.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@...e.de			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
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