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=-6.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_NEOMUTT 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 EB1F3C43387 for ; Fri, 11 Jan 2019 11:29:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C269220872 for ; Fri, 11 Jan 2019 11:29:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731153AbfAKL3p (ORCPT ); Fri, 11 Jan 2019 06:29:45 -0500 Received: from 8bytes.org ([81.169.241.247]:56896 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730977AbfAKL3o (ORCPT ); Fri, 11 Jan 2019 06:29:44 -0500 Received: by theia.8bytes.org (Postfix, from userid 1000) id 156AA44C; Fri, 11 Jan 2019 12:29:42 +0100 (CET) Date: Fri, 11 Jan 2019 12:29:41 +0100 From: Joerg Roedel To: Lu Baolu Cc: David Woodhouse , ashok.raj@intel.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Jacob Pan , Liu Yi L , Kevin Tian Subject: Re: [PATCH 1/1] iommu/vt-d: Support page request in scalable mode Message-ID: <20190111112941.nv6p2veleipwyirs@8bytes.org> References: <20190111050457.27234-1-baolu.lu@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190111050457.27234-1-baolu.lu@linux.intel.com> User-Agent: NeoMutt/20170421 (1.8.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 11, 2019 at 01:04:57PM +0800, Lu Baolu wrote: > From: Jacob Pan > > VT-d Rev3.0 has made a few changes to the page request interface, > > 1. widened PRQ descriptor from 128 bits to 256 bits; > 2. removed streaming response type; > 3. introduced private data that requires page response even the > request is not last request in group (LPIG). > > This is a supplement to commit 1c4f88b7f1f92 ("iommu/vt-d: Shared > virtual address in scalable mode") and makes the svm code compliant > with VT-d Rev3.0. > > Cc: Ashok Raj > Cc: Liu Yi L > Cc: Kevin Tian > Signed-off-by: Jacob Pan > Fixes: 1c4f88b7f1f92 ("iommu/vt-d: Shared virtual address in scalable mode") > Signed-off-by: Lu Baolu Applied for v5.1, thanks.