Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761798AbWLJTkH (ORCPT ); Sun, 10 Dec 2006 14:40:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762403AbWLJTkH (ORCPT ); Sun, 10 Dec 2006 14:40:07 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:48640 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761798AbWLJTkF (ORCPT ); Sun, 10 Dec 2006 14:40:05 -0500 Subject: Re: PAE/NX without performance drain? From: Arjan van de Ven To: John Richard Moser Cc: linux-kernel@vger.kernel.org In-Reply-To: <457C28F8.4050409@comcast.net> References: <457B1F02.7030409@comcast.net> <1165743478.27217.187.camel@laptopd505.fenrus.org> <457C28F8.4050409@comcast.net> Content-Type: text/plain Organization: Intel International BV Date: Sun, 10 Dec 2006 20:40:03 +0100 Message-Id: <1165779603.27217.231.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.8.2.1 (2.8.2.1-2.fc6) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 972 Lines: 25 > > Too bad PAE can't be detected at boot time; someone else mentioned that > some recent Pentium M laptops (and anything older than PPro) don't boot > if PAE is on. even Windows has 2 kernel binaries for this case btw, it's really really really hard. > I want my hardware NX bit working in Ubuntu without having to recompile > my kernel dammit. other distros ship a PAE enabled kernel, and use that for NX enabled machines (all NX capable machines support PAE obviously). I'm surprised Ubuntu doesn't, maybe ask them? (Or use a distro that does have this) -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org - 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/