From: "Li, ZhenHua" <zhen-hual-VXdhtT5mjnY@public.gmane.org>
To: Dave Young <dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: bhe-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
tom.vaden-VXdhtT5mjnY@public.gmane.org,
rwright-VXdhtT5mjnY@public.gmane.org,
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kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
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lisa.mitchell-VXdhtT5mjnY@public.gmane.org,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
"Li, ZhenHua" <zhen-hual-VXdhtT5mjnY@public.gmane.org>,
doug.hatch-VXdhtT5mjnY@public.gmane.org,
ishii.hironobu-+CUm20s59erQFUHtdCDX3A@public.gmane.org,
bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org,
billsumnerlinux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
li.zhang6-VXdhtT5mjnY@public.gmane.org,
dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org,
vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
Subject: Re: [PATCH v11 05/10] iommu/vt-d: Add functions to load and save old re
Date: Wed, 13 May 2015 09:47:07 +0800 [thread overview]
Message-ID: <5552AD1B.6030208@hp.com> (raw)
In-Reply-To: <20150512083745.GE4561-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
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.
next prev parent reply other threads:[~2015-05-13 1:47 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-11 9:52 [PATCH v11 0/10] iommu/vt-d: Fix intel vt-d faults in kdump kernel Li, Zhen-Hua
[not found] ` <1431337974-545-1-git-send-email-zhen-hual-VXdhtT5mjnY@public.gmane.org>
2015-05-11 9:52 ` [PATCH v11 01/10] iommu/vt-d: New function to attach domain with id Li, Zhen-Hua
2015-05-11 9:52 ` [PATCH v11 02/10] iommu/vt-d: Items required for kdump Li, Zhen-Hua
2015-05-12 8:17 ` Dave Young
2015-05-13 1:45 ` Li, ZhenHua
2015-05-13 6:31 ` Alexander Duyck
[not found] ` <5552ACB9.5050309-VXdhtT5mjnY@public.gmane.org>
2015-05-13 8:42 ` Dave Young
2015-05-11 9:52 ` [PATCH v11 03/10] iommu/vt-d: Function to get existing context entry Li, Zhen-Hua
2015-05-11 9:52 ` [PATCH v11 04/10] iommu/vt-d: functions to copy data from old mem Li, Zhen-Hua
[not found] ` <1431337974-545-5-git-send-email-zhen-hual-VXdhtT5mjnY@public.gmane.org>
2015-05-12 8:29 ` Dave Young
2015-05-13 9:00 ` Baoquan He
2015-05-13 9:13 ` Li, ZhenHua
2015-05-13 9:21 ` Baoquan He
2015-06-08 14:15 ` David Woodhouse
[not found] ` <1433772935.2952.47.camel-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2015-06-08 15:21 ` Joerg Roedel
2015-06-08 15:44 ` David Woodhouse
2015-05-11 9:52 ` [PATCH v11 05/10] iommu/vt-d: Add functions to load and save old re Li, Zhen-Hua
[not found] ` <1431337974-545-6-git-send-email-zhen-hual-VXdhtT5mjnY@public.gmane.org>
2015-05-12 8:37 ` Dave Young
[not found] ` <20150512083745.GE4561-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2015-05-13 1:47 ` Li, ZhenHua [this message]
2015-05-13 8:49 ` Dave Young
2015-05-11 9:52 ` [PATCH v11 06/10] iommu/vt-d: datatypes and functions used for kdump Li, Zhen-Hua
2015-05-12 8:48 ` Dave Young
[not found] ` <1431337974-545-7-git-send-email-zhen-hual-VXdhtT5mjnY@public.gmane.org>
2015-05-13 8:56 ` Baoquan He
[not found] ` <20150513085609.GD3736-0VdLhd/A9PlfpSRLqpFUpR/sF2h8X+2i0E9HWUfgJXw@public.gmane.org>
2015-05-13 8:58 ` Li, ZhenHua
[not found] ` <55531231.6040506-VXdhtT5mjnY@public.gmane.org>
2015-05-13 9:10 ` Baoquan He
2015-05-11 9:52 ` [PATCH v11 07/10] iommu/vt-d: enable kdump support in iommu module Li, Zhen-Hua
[not found] ` <1431337974-545-8-git-send-email-zhen-hual-VXdhtT5mjnY@public.gmane.org>
2015-05-12 8:52 ` Dave Young
2015-05-13 2:10 ` Baoquan He
2015-05-13 2:28 ` Li, ZhenHua
2015-05-13 2:36 ` Baoquan He
2015-05-11 9:52 ` [PATCH v11 08/10] iommu/vt-d: assign new page table for dma_map Li, Zhen-Hua
2015-05-20 23:52 ` Baoquan He
2015-05-21 1:27 ` Li, ZhenHua
2015-05-21 6:54 ` Baoquan He
[not found] ` <20150521065451.GA23661-0VdLhd/A9PlfpSRLqpFUpR/sF2h8X+2i0E9HWUfgJXw@public.gmane.org>
2015-05-21 8:40 ` Li, ZhenHua
2015-05-21 10:11 ` Baoquan He
2015-05-11 9:52 ` [PATCH v11 09/10] iommu/vt-d: Copy functions for irte Li, Zhen-Hua
2015-05-12 9:00 ` Dave Young
2015-05-11 9:52 ` [PATCH v11 10/10] iommu/vt-d: Use old irte in kdump kernel Li, Zhen-Hua
2015-05-12 6:18 ` [PATCH v11 0/10] iommu/vt-d: Fix intel vt-d faults " Baoquan He
2015-05-12 9:04 ` Dave Young
2015-05-12 9:34 ` Li, Zhen-Hua
2015-06-08 14:26 ` David Woodhouse
[not found] ` <1433773583.2952.52.camel-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2015-06-08 15:29 ` Joerg Roedel
[not found] ` <20150608152957.GW20384-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-06-08 15:50 ` David Woodhouse
2015-06-08 16:13 ` Joerg Roedel
2015-06-09 12:55 ` David Woodhouse
2015-06-10 9:21 ` Joerg Roedel
[not found] ` <20150610092150.GZ20384-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-06-10 9:32 ` Li, ZhenHua
[not found] ` <5578042D.9050407-VXdhtT5mjnY@public.gmane.org>
2015-06-10 14:10 ` David Woodhouse
2015-05-13 1:54 ` Li, ZhenHua
[not found] ` <5552AEE9.80408-VXdhtT5mjnY@public.gmane.org>
2015-05-18 10:05 ` Li, ZhenHua
2015-05-19 1:13 ` Dave Young
2015-05-19 7:43 ` Li, ZhenHua
2015-05-29 16:21 ` Joerg Roedel
[not found] ` <20150529162151.GB20384-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-05-30 11:23 ` Li, Zhen-Hua
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