Return-Path: <linux-kernel-owner+w=401wt.eu-S1754660AbZLOXlh@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1754660AbZLOXlh (ORCPT <rfc822;w@1wt.eu>);
	Tue, 15 Dec 2009 18:41:37 -0500
Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751927AbZLOXlf
	(ORCPT <rfc822;linux-kernel-outgoing>);
	Tue, 15 Dec 2009 18:41:35 -0500
Received: from smtp1.linux-foundation.org ([140.211.169.13]:53939 "EHLO
	smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK)
	by vger.kernel.org with ESMTP id S1750951AbZLOXle (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Tue, 15 Dec 2009 18:41:34 -0500
Date: Tue, 15 Dec 2009 15:41:14 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
       Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>,
       linux-kernel@vger.kernel.org, rubini@gnudd.com, gregkh@suse.de
Subject: Re: [PATCH 3/3] misc: use a proper range for minor number dynamic
 allocation
Message-Id: <20091215154114.e45e61d0.akpm@linux-foundation.org>
In-Reply-To: <20091215233738.26188500@lxorguk.ukuu.org.uk>
References: <1257813017-28598-1-git-send-email-cascardo@holoscopio.com>
	<1257813017-28598-2-git-send-email-cascardo@holoscopio.com>
	<1257813017-28598-3-git-send-email-cascardo@holoscopio.com>
	<4AF8B4FF.9050405@zytor.com>
	<20091111153632.944a255c.akpm@linux-foundation.org>
	<20091215143446.8b6a7e57.akpm@linux-foundation.org>
	<20091215233738.26188500@lxorguk.ukuu.org.uk>
X-Mailer: Sylpheed 2.4.8 (GTK+ 2.12.9; x86_64-pc-linux-gnu)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 1530
Lines: 36

On Tue, 15 Dec 2009 23:37:38 +0000
Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:

> > > I merged this patch, but made a note-to-self that there are remaining
> > > open issues..
> > 
> > And nothing else happened.  Can we revisit this please?
> 
> The last I saw was a request for an explanation of the users
> configuration and how he was getting so many misc devices. Its a bug in
> dlm if the dlm is doing that but I didn't see any follow up to the DLM
> folks on the subject from the reporter, so it stays NACKed and conflicts
> with the device registry.
> 
> We need to know from the DLM folks/Thaddeu what is actually going on with
> that system, especially as it seems to be producing multiple
> registrations of the same misc device name which is completely broken and
> should probably be made to error anyway.
> 
> Whatever is going on this is the wrong "fix". If DLM should only register
> it once (as seems the intent) then DLM needs fixing or the users config
> or both. If it can register many then DLM needs fixing to not eat misc
> devices.
> 
> <eviltwin>Possibly we need to make it BUG_ON() adding the same name twice, then
> perhaps we'd get more feedback</eviltwin>
> 

OK, thanks, I dropped it.  We can always reappyly it (or a variant)
once this is all sorted out.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/