Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965139AbbEMBsN (ORCPT ); Tue, 12 May 2015 21:48:13 -0400 Received: from g2t2353.austin.hp.com ([15.217.128.52]:57733 "EHLO g2t2353.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965053AbbEMBsK (ORCPT ); Tue, 12 May 2015 21:48:10 -0400 Message-ID: <5552AD1B.6030208@hp.com> Date: Wed, 13 May 2015 09:47:07 +0800 From: "Li, ZhenHua" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: Dave Young CC: dwmw2@infradead.org, indou.takao@jp.fujitsu.com, bhe@redhat.com, joro@8bytes.org, vgoyal@redhat.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, kexec@lists.infradead.org, alex.williamson@redhat.com, ddutile@redhat.com, ishii.hironobu@jp.fujitsu.com, bhelgaas@google.com, doug.hatch@hp.com, jerry.hoemann@hp.com, tom.vaden@hp.com, li.zhang6@hp.com, lisa.mitchell@hp.com, billsumnerlinux@gmail.com, rwright@hp.com, "Li, ZhenHua" Subject: Re: [PATCH v11 05/10] iommu/vt-d: Add functions to load and save old re References: <1431337974-545-1-git-send-email-zhen-hual@hp.com> <1431337974-545-6-git-send-email-zhen-hual@hp.com> <20150512083745.GE4561@localhost.localdomain> In-Reply-To: <20150512083745.GE4561@localhost.localdomain> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 876 Lines: 22 On 05/12/2015 04:37 PM, Dave Young wrote: > Seems the subject was truncated? Maybe "re" means root entry? Then please fix it > > On 05/11/15 at 05:52pm, Li, Zhen-Hua wrote: >> Add functions to load root entry table from old kernel, and to save updated >> root entry table. >> Add two member in struct intel_iommu, to store the RTA in old kernel, and >> the mapped virt address of it. > > Please explain a bit what is "RTA" in patch log, it is unclear to most of people > who do not know iommu details. > >> If people want to understand this patchset, I assume they have read the vt-d specs. RTA is defined clearly in this spec. -- 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/