From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from g2t2353.austin.hp.com ([15.217.128.52]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YsLml-0007ir-Ec for kexec@lists.infradead.org; Wed, 13 May 2015 01:48:36 +0000 Message-ID: <5552AD1B.6030208@hp.com> Date: Wed, 13 May 2015 09:47:07 +0800 From: "Li, ZhenHua" MIME-Version: 1.0 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> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Dave Young Cc: alex.williamson@redhat.com, indou.takao@jp.fujitsu.com, bhe@redhat.com, tom.vaden@hp.com, rwright@hp.com, linux-pci@vger.kernel.org, joro@8bytes.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, lisa.mitchell@hp.com, jerry.hoemann@hp.com, iommu@lists.linux-foundation.org, "Li, ZhenHua" , ddutile@redhat.com, doug.hatch@hp.com, ishii.hironobu@jp.fujitsu.com, bhelgaas@google.com, billsumnerlinux@gmail.com, li.zhang6@hp.com, dwmw2@infradead.org, vgoyal@redhat.com 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. _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec