From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752273Ab2CLLqj (ORCPT ); Mon, 12 Mar 2012 07:46:39 -0400 Received: from lxorguk.ukuu.org.uk ([81.2.110.251]:39023 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751780Ab2CLLqh (ORCPT ); Mon, 12 Mar 2012 07:46:37 -0400 Date: Mon, 12 Mar 2012 11:48:32 +0000 From: Alan Cox To: Richard Weinberger Cc: Jiri Slaby , linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org, Jiri Slaby Subject: Re: TTY: tty_port questions Message-ID: <20120312114832.784bb6fe@pyramind.ukuu.org.uk> In-Reply-To: <4F5DDAD4.4060504@nod.at> References: <4F5BD51B.7030907@nod.at> <4F5BDB09.3020407@suse.cz> <4F5BE1E6.9000201@nod.at> <4F5C861F.2000507@nod.at> <4F5DCF39.8080308@nod.at> <20120312105312.665d2362@pyramind.ukuu.org.uk> <4F5DDAD4.4060504@nod.at> X-Mailer: Claws Mail 3.8.0 (GTK+ 2.24.8; x86_64-redhat-linux-gnu) Face: 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 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 12 Mar 2012 12:15:32 +0100 Richard Weinberger 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