From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755455AbYDJCJq (ORCPT ); Wed, 9 Apr 2008 22:09:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754247AbYDJCJh (ORCPT ); Wed, 9 Apr 2008 22:09:37 -0400 Received: from terminus.zytor.com ([198.137.202.10]:51836 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754088AbYDJCJg (ORCPT ); Wed, 9 Apr 2008 22:09:36 -0400 Message-ID: <47FD76C0.4010603@zytor.com> Date: Wed, 09 Apr 2008 19:09:04 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.12 (X11/20080226) MIME-Version: 1.0 To: Kasper Sandberg CC: Ingo Molnar , Matti Aarnio , Zhao Forrest , Andi Kleen , discuss@x86-64.org, linux-kernel@vger.kernel.org, yhlu.kernel@gmail.com, ak@suse.de Subject: Re: Does Linux have plan to support memory hole remapping? References: <87iqyro3rc.fsf@basil.nowhere.org> <20080409083700.GU3700@mea-ext.zmailer.org> <20080409085440.GB32466@elte.hu> <1207787687.30698.97.camel@localhost> In-Reply-To: <1207787687.30698.97.camel@localhost> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Kasper Sandberg wrote: > A somewhat related question is.. How come linux does not(as i understand > it) support talking to the chipsets to do these things? wouldnt this > also give other benefits, such as being able to more precisely control > interrupts and stuff? Sure. Plus, it's virtually guaranteed to crash or corrupt your system if you try to do anything which requires ACPI or SMM. -hpa