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Date: Thu, 7 Jun 2012 10:19:51 +0100
From: Alan Cox <alan@linux.intel.com>
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Sender: linux-kernel-owner@vger.kernel.org
Subject: Re: um: TTY fixes (?)
To: Richard Weinberger <richard@nod.at>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, jslaby@suse.cz, user-mode-linux-devel@lists.sourceforge.net, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
List-ID: <user-mode-linux-devel.lists.sourceforge.net>

On Thu, 07 Jun 2012 01:17:24 +0200
Richard Weinberger <richard@nod.at> wrote:

> Am 04.06.2012 23:17, schrieb Alan Cox:
> > We can half ignore it on console for the simple reason that you
> > don't "dial in" to the console. I suspect it may be abusable but
> > I've not found a way to do so.
> > 
> 
> BTW: Can't we add such a mode to tty_port?
> E.g. tty_port->non_dialin_console. 8)

That is basically what you are doing when you omit a hangup method. The
security consequences on a multi-user box run deeper however so in the
end we need to fix the util-linux code.

Alan