This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


Re: [Xen-devel] RE: [VTD-NEO][patch 6/6] Intel VT-d/Neocleus 1:1 mreged

To: "Kay, Allen M" <allen.m.kay@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] RE: [VTD-NEO][patch 6/6] Intel VT-d/Neocleus 1:1 mreged code for PCI passthrough
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Thu, 20 Sep 2007 10:30:49 +0100
Delivery-date: Thu, 20 Sep 2007 02:31:35 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <C317EF7B.15BAF%Keir.Fraser@xxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcfvUQE/NSLHf0ZTRFaUb5meDjaqbALsHd9QABfyc/cAAerY8g==
Thread-topic: [Xen-devel] RE: [VTD-NEO][patch 6/6] Intel VT-d/Neocleus 1:1 mreged code for PCI passthrough
User-agent: Microsoft-Entourage/

On 20/9/07 09:35, "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx> wrote:

>> dom0.patch: create vt-d 1:1 mapping for dom0; call iommu_domain_init()
>> in domain.c.
> Do PV guests actually need per-domain iommu state? If they do, isn't
> release_devices() the partnering destructor function, and so should that not
> be invoked from domain.c too?

I checked in everything except the extra invocation of iommu_domain_init().
I want to understand what iommu_domain_init() and release_devices() do
before deciding whether to move their invocations.

 -- Keir

Xen-devel mailing list