linux-kernel - Re: tty: add 'active' sysfs attribute to tty0 and console device

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Date:	Tue, 16 Nov 2010 22:51:38 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Lennart Poettering <mzxreary@...inter.de>
Cc:	Kay Sievers <kay.sievers@...y.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Greg KH <greg@...ah.com>, Werner Fink <werner@...e.de>,
	Jiri Slaby <jslaby@...e.cz>
Subject: Re: tty: add 'active' sysfs attribute to tty0 and console device

On Tue, 16 Nov 2010 22:42:50 +0100
Lennart Poettering <mzxreary@...inter.de> wrote:

> On Tue, 16.11.10 20:49, Alan Cox (alan@...rguk.ukuu.org.uk) wrote:
> 
> > /dev/tty* and sysfs nodes don't track permissions, owner with each other,
> > so you are providing interfaces that either expose information they
> > shouldn't (which screen is valuable info in some environments), or don't
> > expose info they should.
> 
> Well, I find the informatoin who is logged in much more valuable then
> the information whether I am active or not. 

Well thats fine for your machine, what about the rest of us ?
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