From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755348AbXD0FQ4 (ORCPT ); Fri, 27 Apr 2007 01:16:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755347AbXD0FQ4 (ORCPT ); Fri, 27 Apr 2007 01:16:56 -0400 Received: from terminus.zytor.com ([192.83.249.54]:42038 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755355AbXD0FQz (ORCPT ); Fri, 27 Apr 2007 01:16:55 -0400 Message-ID: <4631873B.1000107@zytor.com> Date: Thu, 26 Apr 2007 22:16:43 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.0 (X11/20070419) MIME-Version: 1.0 To: "Eric W. Biederman" CC: Michael McConnell , linux-kernel@vger.kernel.org, Andi Kleen Subject: Re: MAINTAINERS file out of date?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> In-Reply-To: X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Eric W. Biederman wrote: > 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. > A lot of that code (although, of course, not all) could be written in C, though. I'm thinking of taking a stab at rewriting it that way. -hpa