From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263350AbTDSE7T (ORCPT ); Sat, 19 Apr 2003 00:59:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263353AbTDSE7T (ORCPT ); Sat, 19 Apr 2003 00:59:19 -0400 Received: from mta7.pltn13.pbi.net ([64.164.98.8]:16104 "EHLO mta7.pltn13.pbi.net") by vger.kernel.org with ESMTP id S263350AbTDSE7S (ORCPT ); Sat, 19 Apr 2003 00:59:18 -0400 Message-ID: <3EA0CD95.1070109@pacbell.net> Date: Fri, 18 Apr 2003 21:16:21 -0700 From: David Brownell User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.9) Gecko/20020513 X-Accept-Language: en-us, en, fr MIME-Version: 1.0 To: "Kevin P. Fleming" CC: linux-hotplug-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, message-bus-list@redhat.com Subject: Re: [ANNOUNCE] udev 0.1 release References: <20030411172011.GA1821@kroah.com> <200304111746.h3BHk9hd001736@81-2-122-30.bradfords.org.uk> <20030411182313.GG25862@wind.cocodriloo.com> <3E970A00.2050204@cox.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Kevin P. Fleming wrote: > > All it takes > for the driver for a Fibre Channel host adapter to load, and enumerate > the devices it can see. In a matter of seconds many hundreds or > thousands of disk devices could be registered with the kernel. Not the design center for the original "exec /sbin/hotplug" style event delivery, no way! A near-term option would be just to have some kind of throttle on how many hotplug invocations are going on concurrently -- avoiding process creation storms. That should easily take Linux all the way into the 2.7 series, for those who want to tread carefully in terms of changing sysadmin technologies. - Dave