linux-kernel - Re: [PATCH] tty: Add sysfs symlink for console name->tty device

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Message-ID: <530F3E47.5040904@hurleysoftware.com>
Date:	Thu, 27 Feb 2014 08:31:51 -0500
From:	Peter Hurley <peter@...leysoftware.com>
To:	Kay Sievers <kay@...y.org>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>,
	LKML <linux-kernel@...r.kernel.org>,
	Ray Strode <halfline@...il.com>,
	David Herrmann <dh.herrmann@...il.com>,
	Lennart Poettering <lennart@...ttering.net>,
	Werner Fink <werner@...e.de>
Subject: Re: [PATCH] tty: Add sysfs symlink for console name->tty device

On 02/27/2014 06:13 AM, Kay Sievers wrote:
> On Wed, Feb 26, 2014 at 3:40 PM, Peter Hurley <peter@...leysoftware.com> wrote:
>> Enable a user-space process to discover the underlying tty device
>> for a console, if one exists, and when the tty device is later
>> created or destroyed.
>>
>> Add sysfs symlinks for registered consoles to their respective
>> devices in [sys/class,sys/devices/virtual]/tty/console.
>> Scan consoles at tty device (un)registration to handle deferred
>> console<->device (un)binding.
>
> What tool is supposed to read that? I can't think of anything
> interested in this, as soon as we have fixed the "active" console
> output.

Kay,

With all due respect, that "fix" is a ridiculous hack, being done
for self-serving expedience. It already caused one user-space breakage
which you did not expect.

This sysfs interface is superior in every way.

Regards,
Peter Hurley

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