From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: Ugly patches for stolen reservation Date: Fri, 26 Jul 2013 13:28:13 -0700 Message-ID: <51F2DBDD.8020709@zytor.com> References: <51F1ED8F.40703@zytor.com> <20130726083314.4e2e333f@jbarnes-desktop> <20130726202418.GD21415@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail.zytor.com (terminus.zytor.com [198.137.202.10]) by gabe.freedesktop.org (Postfix) with ESMTP id 02D00E5E07 for ; Fri, 26 Jul 2013 13:28:36 -0700 (PDT) In-Reply-To: <20130726202418.GD21415@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Ingo Molnar Cc: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, mingo@elte.hu, torvalds@linux-foundation.org, tglx@linutronix.de List-Id: intel-gfx@lists.freedesktop.org On 07/26/2013 01:24 PM, Ingo Molnar wrote: > > Am I being too pedantic in expecting that we still mark it > e820-reserved? > > This area really isnt an ordinary PCI resource such as a > BAR or an MMIO region. It's truly system RAM (which cannot > be moved/reallocated), used by graphics hardware, and the > firmware should have marked it reserved. > > (The end result should be the same in any case, so this is > a detail.) > I, too, would prefer to see it marked as reserved. -hpa From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759700Ab3GZU2k (ORCPT ); Fri, 26 Jul 2013 16:28:40 -0400 Received: from terminus.zytor.com ([198.137.202.10]:50679 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759608Ab3GZU2h (ORCPT ); Fri, 26 Jul 2013 16:28:37 -0400 Message-ID: <51F2DBDD.8020709@zytor.com> Date: Fri, 26 Jul 2013 13:28:13 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7 MIME-Version: 1.0 To: Ingo Molnar CC: Jesse Barnes , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, mingo@elte.hu, tglx@linutronix.de, torvalds@linux-foundation.org Subject: Re: Ugly patches for stolen reservation References: <51F1ED8F.40703@zytor.com> <20130726083314.4e2e333f@jbarnes-desktop> <20130726202418.GD21415@gmail.com> In-Reply-To: <20130726202418.GD21415@gmail.com> X-Enigmail-Version: 1.5.2 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/26/2013 01:24 PM, Ingo Molnar wrote: > > Am I being too pedantic in expecting that we still mark it > e820-reserved? > > This area really isnt an ordinary PCI resource such as a > BAR or an MMIO region. It's truly system RAM (which cannot > be moved/reallocated), used by graphics hardware, and the > firmware should have marked it reserved. > > (The end result should be the same in any case, so this is > a detail.) > I, too, would prefer to see it marked as reserved. -hpa