From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753651AbXD0C2z (ORCPT ); Thu, 26 Apr 2007 22:28:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753905AbXD0C2z (ORCPT ); Thu, 26 Apr 2007 22:28:55 -0400 Received: from nz-out-0506.google.com ([64.233.162.231]:20743 "EHLO nz-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753651AbXD0C2y (ORCPT ); Thu, 26 Apr 2007 22:28:54 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:date:from:to:cc:subject:message-id:reply-to:mail-followup-to:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; b=qD7QmgZ11M9qbxLYnYFcfn45NbHZZeXATlrpZDTrmnrEo6Co7cRFnuctlkBTPHgEoHYhOaAMjLffxCk2+jCGaZ0rYrTFiLSamWMvQL/QgKGd9V3IjQ5Xz4MJdfe6WCZ8d5mPabUjxlZcFLwZui84Fg7Au5X+LhKp4JQXxszu7IY= Date: Fri, 27 Apr 2007 10:32:52 +0800 From: WANG Cong To: "H. Peter Anvin" Cc: Michael McConnell , linux-kernel@vger.kernel.org, Andi Kleen , "Eric W. Biederman" Subject: Re: MAINTAINERS file out of date? Message-ID: <20070427023252.GA3797@localhost.localdomain> Reply-To: WANG Cong Mail-Followup-To: "H. Peter Anvin" , Michael McConnell , linux-kernel@vger.kernel.org, Andi Kleen , "Eric W. Biederman" References: <4631255F.9010902@eridani.co.uk> <463131FD.8020301@zytor.com> <20070427010914.GA2570@localhost.localdomain> <46314E0B.1020800@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46314E0B.1020800@zytor.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 26, 2007 at 06:12:43PM -0700, H. Peter Anvin wrote: >WANG Cong wrote: >>> >>> I have considered myself as a rather unofficial maintainer of this code, >>> and wouldn't mind make it official now when I actually have a job which >>> both cares about and actually can support my upstream Linux activities, >>> which was a major pain for a while. >>> >>> Overall, there is a lot of cleanup which really is needed in the i386 >>> boot process; I have done some work on it already, but more is needed. >> >> Sounds interesting. Can you point me what needs to be done exactly? Maybe I can help you. ;) > >There was a long thread on the linux-virtualization list >(@lists.linux-foundation.org) just a few days ago. The biggest single >issue right now is probably how we transition from the bootup page >tables to the "real" init_mm page tables, but the real-mode code also >needs a massive overhaul (especially so since this code can and should >be shared with x86-64); in particular I really want to get rid of the >insane segment handling, where segments are constantly recalculated for >no good reason. > >For the real-mode stuff, I have some patches already in the works for >this. Eric W. Biederman has also done a lot of work in this area. > > -hpa 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? Regards!