From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 608F0C0044C for ; Wed, 7 Nov 2018 22:10:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0521920882 for ; Wed, 7 Nov 2018 22:10:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0521920882 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727764AbeKHHm5 (ORCPT ); Thu, 8 Nov 2018 02:42:57 -0500 Received: from mga12.intel.com ([192.55.52.136]:15550 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726653AbeKHHm4 (ORCPT ); Thu, 8 Nov 2018 02:42:56 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Nov 2018 14:10:35 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,477,1534834800"; d="scan'208";a="106774744" Received: from jacob-builder.jf.intel.com (HELO jacob-builder) ([10.7.199.155]) by orsmga002.jf.intel.com with ESMTP; 07 Nov 2018 14:10:34 -0800 Date: Wed, 7 Nov 2018 14:12:25 -0800 From: Jacob Pan To: Joerg Roedel Cc: iommu@lists.linux-foundation.org, LKML , Lu Baolu , "Mehta, Sohil" , Ashok Raj , jacob.jun.pan@linux.intel.com Subject: Re: [PATCH v2] iommu/vt-d: respect max guest address width in agaw Message-ID: <20181107141225.2339ca4f@jacob-builder> In-Reply-To: <20181107160428.awgpvo73mp3lbdro@8bytes.org> References: <1541544435-52624-1-git-send-email-jacob.jun.pan@linux.intel.com> <20181107160428.awgpvo73mp3lbdro@8bytes.org> Organization: OTC X-Mailer: Claws Mail 3.13.2 (GTK+ 2.24.30; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 7 Nov 2018 17:04:28 +0100 Joerg Roedel wrote: > On Tue, Nov 06, 2018 at 02:47:15PM -0800, Jacob Pan wrote: > > drivers/iommu/intel-iommu.c | 6 +++++- > > 1 file changed, 5 insertions(+), 1 deletion(-) > > Applied, thanks. Hi Joerg, We have found some issues with this patch on some platforms. Please disregard this patch. The intent of this patch was to fix some IOMMU with max address of 48 but SAGAW of both 48 and 57 bits. Need to do more investigation in the page table level calculation and context address width setup. Sorry about that. Jacob