From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755686Ab3ALAIz (ORCPT ); Fri, 11 Jan 2013 19:08:55 -0500 Received: from mga11.intel.com ([192.55.52.93]:38926 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754923Ab3ALAIy (ORCPT ); Fri, 11 Jan 2013 19:08:54 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,455,1355126400"; d="scan'208";a="272915142" Message-ID: <50F0A994.5060201@linux.intel.com> Date: Fri, 11 Jan 2013 16:08:52 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: Jesse Barnes CC: linux-kernel@vger.kernel.org, mingo@kernel.org, hpa@zytor.com, tglx@linutronix.de, linux-tip-commits@vger.kernel.org, =?ISO-8859-1?Q?St=E9phane_Marchesin?= Subject: Re: [tip:x86/urgent] x86/Sandy Bridge: reserve pages when integrated graphics is present References: <20130111150030.1d39b8b8@jbarnes-desktop> In-Reply-To: <20130111150030.1d39b8b8@jbarnes-desktop> 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 On 01/11/2013 03:00 PM, Jesse Barnes wrote: > > Great, thanks Peter. > > Stephane, care to try this out? > For the record, I can confirm that it reserves the appropriate ranges on my personal Sandy Bridge system; I don't have any test which can provoke the use of these pages, so I can't say I have "fully tested" this. -hpa