Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755136AbYAVWWG (ORCPT ); Tue, 22 Jan 2008 17:22:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751422AbYAVWV4 (ORCPT ); Tue, 22 Jan 2008 17:21:56 -0500 Received: from mtaout02-winn.ispmail.ntl.com ([81.103.221.48]:44866 "EHLO mtaout02-winn.ispmail.ntl.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750843AbYAVWVz (ORCPT ); Tue, 22 Jan 2008 17:21:55 -0500 From: Ian Campbell To: "H. Peter Anvin" Cc: Ingo Molnar , Mika =?ISO-8859-1?Q?Penttil=E4?= , linux-kernel@vger.kernel.org, Thomas Gleixner , Ingo Molnar , "Eric W. Biederman" In-Reply-To: <47965974.5080502@zytor.com> References: <1200758937-22386-2-git-send-email-ijc@hellion.org.uk> <47939363.8040603@kolumbus.fi> <1200950633.15491.21.camel@cthulhu.hellion.org.uk> <479510CE.7010706@zytor.com> <1200951996.15491.28.camel@cthulhu.hellion.org.uk> <479551FD.5040801@zytor.com> <1201023401.5643.52.camel@localhost.localdomain> <479634A9.1090908@zytor.com> <1201031325.15491.66.camel@cthulhu.hellion.org.uk> <47964B7B.9000905@zytor.com> <20080122203611.GA12892@elte.hu> <1201035150.15491.70.camel@cthulhu.hellion.org.uk> <47965974.5080502@zytor.com> Content-Type: text/plain Date: Tue, 22 Jan 2008 22:21:44 +0000 Message-Id: <1201040504.15491.80.camel@cthulhu.hellion.org.uk> Mime-Version: 1.0 X-Mailer: Evolution 2.12.2 Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 192.168.1.223 X-SA-Exim-Mail-From: ijc@hellion.org.uk Subject: Re: [PATCH] x86: Construct 32 bit boot time page tables in native format. X-SA-Exim-Version: 4.2.1 (built Tue, 09 Jan 2007 17:23:22 +0000) X-SA-Exim-Scanned: Yes (on hopkins.hellion.org.uk) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1285 Lines: 36 On Tue, 2008-01-22 at 13:00 -0800, H. Peter Anvin wrote: > Ian Campbell wrote: > > On Tue, 2008-01-22 at 21:36 +0100, Ingo Molnar wrote: > >> * H. Peter Anvin wrote: > >> > >>>> Seems reasonable to me. I'll integrate your asm diff with the other > >>>> changes and give it a whirl. > >>> This version boots into userspace on both PAE and !PAE. You want to > >>> take it from here? > >> ok, i'll wait for Ian to submit the final (tested) version then. A few > >> possible complications are: PSE-less boxes, 32-bit PAGEALLOC bootups > >> with tons of RAM, NX-less boxes and NX-able boxes :) > > > > I'm not sure I can promise that sort of coverage ;-) Will test on what > > hardware I've got available... > > > > I tend to use simulators (e.g. Qemu) quite a bit. They let you tune > this kind of stuff. So do I but I'd never really investigated the option to fiddle with the CPU type -- very useful though, thanks for the tip! Ian. -- Ian Campbell No one can feel as helpless as the owner of a sick goldfish. -- 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/