Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266069AbUJTSZ7 (ORCPT ); Wed, 20 Oct 2004 14:25:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268989AbUJTSWp (ORCPT ); Wed, 20 Oct 2004 14:22:45 -0400 Received: from kinesis.swishmail.com ([209.10.110.86]:17166 "EHLO kinesis.swishmail.com") by vger.kernel.org with ESMTP id S268954AbUJTSOP (ORCPT ); Wed, 20 Oct 2004 14:14:15 -0400 Message-ID: <4176ADA1.1090802@techsource.com> Date: Wed, 20 Oct 2004 14:25:37 -0400 From: Timothy Miller MIME-Version: 1.0 To: Lee Revell CC: Arjan van de Ven , Andrea Arcangeli , Hugh Dickins , "Martin J. Bligh" , Andrea Arcangeli , Alan Cox , Chris Wedgwood , LKML , Christoph Hellwig Subject: Re: [PATCH 1/3] Separate IRQ-stacks from 4K-stacks option References: <593560000.1094826651@[10.10.2.4]> <20040910151538.GA24434@devserv.devel.redhat.com> <20040910152852.GC15643@x30.random> <20040910153421.GD24434@devserv.devel.redhat.com> <41768858.8070709@techsource.com> <20041020153521.GB21556@devserv.devel.redhat.com> <1098290345.1429.65.camel@krustophenia.net> <4176A749.8050306@techsource.com> <1098294932.1429.153.camel@krustophenia.net> In-Reply-To: <1098294932.1429.153.camel@krustophenia.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 Content-Length: 1105 Lines: 41 Lee Revell wrote: >>> >>>The IDE I/O completion in hardirq context means that one can run for >>>almost 3ms. Apparently at OLS it was decided that the target for >>>desktop responsiveness was 1ms. So this is a real problem. >> >>What is happening that takes 3ms, and why can't it be broken up? >> > > > http://lkml.org/lkml/2004/7/24/26 Ah, I see. Lots of cache misses. > >>>What exactly do you mean by "draconian"? >> >>In this case, I mean extremely harsh and restrictive. Usually, it means >>"excessively harsh", but in this case, I mean that in a good way. :) >> > > > Heh, I know what the word means, I was asking what the specific rules > are that could be considered as such. > > I believe using the word 'draconian' was a poor choice on my part. Maybe "strictly bounded with no exceptions" would be a better way of expressing it. - 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/