Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752893Ab1DSHZo (ORCPT ); Tue, 19 Apr 2011 03:25:44 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:44870 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751490Ab1DSHZm (ORCPT ); Tue, 19 Apr 2011 03:25:42 -0400 Date: Tue, 19 Apr 2011 09:25:20 +0200 From: Ingo Molnar To: "Roedel, Joerg" Cc: "H. Peter Anvin" , Ingo Molnar , Thomas Gleixner , "x86@kernel.org" , "linux-kernel@vger.kernel.org" , "stable@kernel.org" Subject: Re: [PATCH 4/4] x86, gart: Make sure GART does not map physmem above 1TB Message-ID: <20110419072520.GD25353@elte.hu> References: <1303134346-5805-1-git-send-email-joerg.roedel@amd.com> <1303134346-5805-5-git-send-email-joerg.roedel@amd.com> <4DAC4EC0.80008@zytor.com> <4DAC5099.4010403@kernel.org> <20110418145941.GJ2192@amd.com> <20110418155033.GC8623@elte.hu> <20110419061259.GL2192@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110419061259.GL2192@amd.com> User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.3.1 -2.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1224 Lines: 36 * Roedel, Joerg wrote: > On Mon, Apr 18, 2011 at 11:50:33AM -0400, Ingo Molnar wrote: > > > > * Roedel, Joerg wrote: > > > > > On Mon, Apr 18, 2011 at 10:54:17AM -0400, H. Peter Anvin wrote: > > > > On 04/18/2011 07:46 AM, H. Peter Anvin wrote: > > > > > On 04/18/2011 06:45 AM, Joerg Roedel wrote: > > > > >> The GART can only map physical memory below 1TB. Make sure > > > > >> the gart driver in the kernel does not try to map memory > > > > >> above 1TB. > > > > > > > > > > Where does this limit come from? > > > > > > > > Nevermind... despite the generic name of the file it looks to be > > > > specific to the K8 GART. > > > > > > Yes, this file mostly contains the dma-ops implementation that uses the > > > K8 gart plus some k8-gart specific initialization functions. > > > > Does the file want to be renamed to pci-amd_gart_64.c or so? > > Hmm, that seems long. How about just amd64_gart.c? Sure. Thanks, Ingo -- 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/