From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756681AbYDJMnS (ORCPT ); Thu, 10 Apr 2008 08:43:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755061AbYDJMnH (ORCPT ); Thu, 10 Apr 2008 08:43:07 -0400 Received: from pasmtpa.tele.dk ([80.160.77.114]:54401 "EHLO pasmtpA.tele.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754605AbYDJMnH (ORCPT ); Thu, 10 Apr 2008 08:43:07 -0400 Subject: Re: Does Linux have plan to support memory hole remapping? From: Kasper Sandberg To: "H. Peter Anvin" 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 In-Reply-To: <47FD76C0.4010603@zytor.com> References: <87iqyro3rc.fsf@basil.nowhere.org> <20080409083700.GU3700@mea-ext.zmailer.org> <20080409085440.GB32466@elte.hu> <1207787687.30698.97.camel@localhost> <47FD76C0.4010603@zytor.com> Content-Type: text/plain Date: Thu, 10 Apr 2008 14:41:36 +0200 Message-Id: <1207831296.1514.5.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.4.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2008-04-09 at 19:09 -0700, H. Peter Anvin wrote: > 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. Ah, i just thought that a specific other OS actually did this (which, now that you mention this, makes a whole lot of sense :-)) > > -hpa > -- > 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/