Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764380AbXHCWIJ (ORCPT ); Fri, 3 Aug 2007 18:08:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762210AbXHCWH4 (ORCPT ); Fri, 3 Aug 2007 18:07:56 -0400 Received: from zeniv.linux.org.uk ([195.92.253.2]:58445 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762642AbXHCWHz (ORCPT ); Fri, 3 Aug 2007 18:07:55 -0400 Date: Fri, 3 Aug 2007 23:07:52 +0100 From: Al Viro To: Chris Snook Cc: Eduard-Gabriel Munteanu , linux-kernel@vger.kernel.org Subject: Re: Dynamic major/minor numbers (or dropping them completely) Message-ID: <20070803220752.GU21089@ftp.linux.org.uk> References: <46B21833.600@aladin.ro> <46B39A8F.5070809@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46B39A8F.5070809@redhat.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1111 Lines: 20 On Fri, Aug 03, 2007 at 05:13:51PM -0400, Chris Snook wrote: > You're correct that dynamic major/minor numbers are sufficient for most > purposes, but embedded users really need their static numbers. As for > ripping out major/minor numberings, that's a non-starter. Too much of our > device management infrastructure is based around this numbering scheme, and > there isn't really anything wrong with it to justify breaking everything in > the change. > > As a rule of thumb, if you ever find yourself wondering why we still > support doing statically something we can now do dynamically, the answer is > generally that doing it dynamically sucks for embedded. And not only embedded. I'm quite happy _not_ running udev on anything I have root on, except for one test box set exactly to make sure that patches do not break things for udev-infested boxen. - 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/