Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 31 Oct 2000 18:45:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 31 Oct 2000 18:45:36 -0500 Received: from chiara.elte.hu ([157.181.150.200]:53767 "HELO chiara.elte.hu") by vger.kernel.org with SMTP id ; Tue, 31 Oct 2000 18:45:26 -0500 Date: Wed, 1 Nov 2000 01:55:23 +0100 (CET) From: Ingo Molnar Reply-To: mingo@elte.hu To: "Richard B. Johnson" Cc: Andi Kleen , Pavel Machek , linux-kernel@vger.kernel.org Subject: Re: 2.2.18Pre Lan Performance Rocks! In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 31 Oct 2000, Richard B. Johnson wrote: > However, these techniques are not useful with a kernel that has an > unknown number of tasks that execute 'programs' that are not known to > the kernel at compile-time, such as a desk-top operating system. yep, exactly. It simply optimizes the wrong thing and restricts architectural flexibility. It is very easy to optimize by making a system more specific. (this is fact is a more or less automatic engineering work) The real optimizations are the ones that do not take away from the generic nature of the system. Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/