From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S272167AbTG2XBK (ORCPT ); Tue, 29 Jul 2003 19:01:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S272168AbTG2XBK (ORCPT ); Tue, 29 Jul 2003 19:01:10 -0400 Received: from dp.samba.org ([66.70.73.150]:51874 "EHLO lists.samba.org") by vger.kernel.org with ESMTP id S272167AbTG2XBI (ORCPT ); Tue, 29 Jul 2003 19:01:08 -0400 Date: Wed, 30 Jul 2003 06:33:10 +1000 From: Rusty Russell To: Alan Cox Cc: notting@redhat.com, arjanv@redhat.com, torvalds@osdl.org, shemminger@osdl.org, davem@redhat.com, greg@kroah.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Remove module reference counting. Message-Id: <20030730063310.70b5c794.rusty@rustcorp.com.au> In-Reply-To: <1059392321.15458.23.camel@dhcp22.swansea.linux.org.uk> References: <20030727193919.832302C450@lists.samba.org> <20030727214701.A23137@devserv.devel.redhat.com> <20030727201242.A29448@devserv.devel.redhat.com> <1059392321.15458.23.camel@dhcp22.swansea.linux.org.uk> X-Mailer: Sylpheed version 0.9.3 (GTK+ 1.2.10; i386-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 X-Mailing-List: linux-kernel@vger.kernel.org On 28 Jul 2003 12:38:41 +0100 Alan Cox wrote: > On Llu, 2003-07-28 at 01:12, Bill Nottingham wrote: > > It loads/unloads things like scsi modules and firewire controller > > modules, but only for hardware actually present in the system (i.e., > > you'd probably be loading it again anyway, if you haven't already > > loaded it.) > > It loads things like floppy anyway, and it loads lots of things like the > firewire stuff that nobody ever uses because it has to see if anything > is plugged into them. And it has to leave them in memory anyway, in case someone plugs stuff in later. Oh well. > I guess kudzu could simply do lots of I/O ops directly on the floppy > hardware to detect it without loading drivers but thats pretty fugly. Agreed that'd be kinda silly. But I was "educated" earlier that driver loading shouldn't fail just because hardware is missing, due to hotplug. Is this wrong? Rusty. -- there are those who do and those who hang on and you don't see too many doers quoting their contemporaries. -- Larry McVoy