Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935840AbZDIQts (ORCPT ); Thu, 9 Apr 2009 12:49:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S935952AbZDIQsq (ORCPT ); Thu, 9 Apr 2009 12:48:46 -0400 Received: from tx2ehsobe001.messaging.microsoft.com ([65.55.88.11]:47675 "EHLO TX2EHSOBE002.bigfish.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S935876AbZDIQso convert rfc822-to-8bit (ORCPT ); Thu, 9 Apr 2009 12:48:44 -0400 X-BigFish: VPS-9(zz1432R1805M19c2kzz1202hzzz32i6bh43j) X-WSS-ID: 0KHUEOL-01-8Z4-01 X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-Class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Subject: RE: [PATCH] Enable GART-IOMMU only after setting up protection methods Date: Thu, 9 Apr 2009 11:48:29 -0500 Message-ID: <6453C3CB8E2B3646B0D020C112613273C5AF68@sausexmb4.amd.com> In-Reply-To: <86802c440904082144m54e2dba5n6c89624481fb5fa1@mail.gmail.com> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [PATCH] Enable GART-IOMMU only after setting up protection methods Thread-Index: Acm4zdVgvBUmhGneQviXXvru34TM2gAZQrGQ References: <200903171457.25582.mark.langsdorf@amd.com> <200904081608.55746.mark.langsdorf@amd.com> <86802c440904082144m54e2dba5n6c89624481fb5fa1@mail.gmail.com> From: "Langsdorf, Mark" To: "Yinghai Lu" CC: "Andrew Morton" , , "Ingo Molnar" X-OriginalArrivalTime: 09 Apr 2009 16:48:30.0026 (UTC) FILETIME=[02EBFAA0:01C9B933] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 617 Lines: 20 > > AMD has tested this patch and seen no adverse effects. > > how about system with AGP card and more than 4g system RAM? Tested on an Iwill DK8X 2P system with 8 GB of DRAM. > also it seems flush_gart() in init_k8_gatt() and gart_iommu_init() > could be removed? Possibly, but I'd rather be cautious than not. -Mark Langsdorf Operating System Research Center AMD -- 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/