Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932167Ab1BJXtK (ORCPT ); Thu, 10 Feb 2011 18:49:10 -0500 Received: from claw.goop.org ([74.207.240.146]:46131 "EHLO claw.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932096Ab1BJXtI (ORCPT ); Thu, 10 Feb 2011 18:49:08 -0500 Message-ID: <4D547962.8040403@goop.org> Date: Thu, 10 Feb 2011 15:48:50 -0800 From: Jeremy Fitzhardinge User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101209 Fedora/3.1.7-0.35.b3pre.fc14 Lightning/1.0b3pre Thunderbird/3.1.7 MIME-Version: 1.0 To: "H. Peter Anvin" CC: Yinghai Lu , Stefano Stabellini , "linux-kernel@vger.kernel.org" , "tglx@linutronix.de" , "x86@kernel.org" , Konrad Rzeszutek Wilk , Jan Beulich Subject: Re: [PATCH] x86/mm/init: respect memblock reserved regions when destroying mappings References: <4D4A3782.3050702@zytor.com> <4D4ADFAD.7060507@zytor.com> <4D4CA568.70907@goop.org> <4D4E4E0D.2080806@zytor.com> <4D4EF553.6000000@kernel.org> <4D50343E.1020906@kernel.org> <4D504161.2060900@kernel.org> <4D506A85.9030802@goop.org> <4D50B4B5.4050505@kernel.org> <4D519AAA.8070309@zytor.com> In-Reply-To: <4D519AAA.8070309@zytor.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 591 Lines: 16 On 02/08/2011 11:34 AM, H. Peter Anvin wrote: > On 02/07/2011 07:12 PM, Yinghai Lu wrote: >> why punishing native path with those checking? >> > What happens if you end up with a reserved range in an unfortunate place > on real hardware? Yes, exactly. The reserved region code isn't very useful if you can't rely on it to reserve stuff. J -- 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/