linux-kernel - Re: TTY: tty

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Message-ID: <20120312114832.784bb6fe@pyramind.ukuu.org.uk>
Date:	Mon, 12 Mar 2012 11:48:32 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Richard Weinberger <richard@....at>
Cc:	Jiri Slaby <jslaby@...e.cz>, linux-kernel@...r.kernel.org,
	gregkh@...uxfoundation.org, Jiri Slaby <jirislaby@...il.com>
Subject: Re: TTY: tty_port questions

On Mon, 12 Mar 2012 12:15:32 +0100
Richard Weinberger <richard@....at> wrote:

> On 12.03.2012 11:53, Alan Cox wrote:
> >> Another question, what is the purpose of tty_port->console?
> >> It seems to have no user.
> >
> > So the tty_port layer can in future know about whether it is a console
> > without a tty necessarily being present or referenceable.
> >
> >> Is tty_port really the right thing for a console driver like in the UML
> >> case?
> >
> > It will be. In order to fix the tty locking mess we need to shove a lot
> > of stuff whose lifetime is the lifetime of the physical port somewhere
> > else - the tty_port is that structure.
> >
> 
> "It will be" in terms of "not now"? ;-)

As in, it's the very next step on.

Alan
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