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] State of nested VMX

To: Tim Deegan <Tim.Deegan@xxxxxxxxxx>, domiel forty-two <domiel42@xxxxxxxxxxxx>
Subject: RE: [Xen-devel] State of nested VMX
From: "Dong, Eddie" <eddie.dong@xxxxxxxxx>
Date: Wed, 27 Oct 2010 20:07:17 +0800
Accept-language: en-US
Acceptlanguage: en-US
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Dong, Eddie" <eddie.dong@xxxxxxxxx>
Delivery-date: Wed, 27 Oct 2010 05:12:09 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20101027093434.GX4007@xxxxxxxxxxxxxxxxxxxxxxx>
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/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <604299.17031.qm@xxxxxxxxxxxxxxxxxxxxxxxxxxx> <20101027093434.GX4007@xxxxxxxxxxxxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: Act1uk+d12cxxHboTIOjzc/0SIWPdAAFOAQg
Thread-topic: [Xen-devel] State of nested VMX
Tim Deegan wrote:
> At 01:27 +0100 on 27 Oct (1288142842), domiel forty-two wrote:
>> I noticed a flurry of postings about nested Xen about a month back.
>> What state is it in? Is it possible to now run nested HVM?
> Not yet, though you could try taking the latest posted patches from
> Eddie Dong (VMX) or Christoph Egger (SVM).
>> If so what CPUs are supported?
>> If it's not in a usable state what other possibilities are there to
>> run nested with full VT support? Can any other virtualiser be used
>> to achieve this? 
> I believe qemu and KVM support it; possibly some others.
> Tim.

Nested VMX is not merged in either Xen or KVM. You can try the patch from 
Qing.he@xxxxxxxxx posted here in Sep. We are working together to make a common 
ground to host both nested SVM and VMX.

I can send you my internal patch as well.

Thx, Eddie
Xen-devel mailing list

<Prev in Thread] Current Thread [Next in Thread>