From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756552Ab0CXQZv (ORCPT ); Wed, 24 Mar 2010 12:25:51 -0400 Received: from cantor2.suse.de ([195.135.220.15]:53280 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752389Ab0CXQZu (ORCPT ); Wed, 24 Mar 2010 12:25:50 -0400 Date: Wed, 24 Mar 2010 09:26:16 -0700 From: Greg KH To: Marcel Holtmann Cc: Pavan Savoy , PavanSavoy , "alan@lxorguk.ukuu.org.uk" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 4/6] drivers:misc: sources for Init manager module Message-ID: <20100324162616.GA9257@suse.de> References: <359814.2971.qm@web94904.mail.in2.yahoo.com> <1269447105.11714.117.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1269447105.11714.117.camel@localhost.localdomain> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 24, 2010 at 09:11:45AM -0700, Marcel Holtmann wrote: > > I wanted to somehow put this in staging because then it would probably have a thorough architectural review process. > > Some details about this driver - > > > > 1. This driver will be used by Bluetooth-BlueZ/FM-V4L2 and GPS (probably character device driver) using the EXPORTED symbols (-register/_unregister). > > > > 2. Much like the hciattach daemon which maintains N_HCI bluetooth line discipline, this driver will also have a User-Space N_TI_WL Init manager (UIM) maintaining the Line discipline. > > can you explain why you think this is needed and we can not interface > this directly. If it is a serial port, what protocol does it talk? > > > 3. Because of the UIM should know when to install/uninstall line discipline, the /sys entry is created a root called UIM (a new kobject) and UIM daemon would write it's PID to it. > > I don't understand this. This sounds like a broken concept to me. I also agree, those sysfs files are not acceptable, and will not work as-designed due to the pid namespace issues :( thanks, greg k-h