From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755284AbXD0EXV (ORCPT ); Fri, 27 Apr 2007 00:23:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755288AbXD0EXV (ORCPT ); Fri, 27 Apr 2007 00:23:21 -0400 Received: from ebiederm.dsl.xmission.com ([166.70.28.69]:34459 "EHLO ebiederm.dsl.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755284AbXD0EXU (ORCPT ); Fri, 27 Apr 2007 00:23:20 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: "H. Peter Anvin" Cc: Michael McConnell , linux-kernel@vger.kernel.org, Andi Kleen Subject: Re: MAINTAINERS file out of date? References: <4631255F.9010902@eridani.co.uk> <463131FD.8020301@zytor.com> <20070427010914.GA2570@localhost.localdomain> <46314E0B.1020800@zytor.com> <20070427023252.GA3797@localhost.localdomain> Date: Thu, 26 Apr 2007 22:22:22 -0600 In-Reply-To: <20070427023252.GA3797@localhost.localdomain> (WANG Cong's message of "Fri, 27 Apr 2007 10:32:52 +0800") Message-ID: User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux) 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 WANG Cong writes: > > Thanks for your point. > I know little about virtualization, maybe can't help much. But I am interested > in other things you mentioned. AFAIK, segments can't be avoided on i386, and > Linux uses them very little, how are they recalculated constantly? Look in arch/i386/boot/setup.S it runs in 16bit mode. We are talking about real mode segments not 16bit segments. 16bit real mode is a completely different ball game, and why we keep BIOS calls isolated to that one dinky file. Eric