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] [PATCH 15/16] vmx: nest: capability reporting MSRs

To: Christoph Egger <Christoph.Egger@xxxxxxx>
Subject: RE: [Xen-devel] [PATCH 15/16] vmx: nest: capability reporting MSRs
From: "Dong, Eddie" <eddie.dong@xxxxxxxxx>
Date: Thu, 16 Sep 2010 22:10:00 +0800
Accept-language: en-US
Acceptlanguage: en-US
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Dong, Eddie" <eddie.dong@xxxxxxxxx>, "He, Qing" <qing.he@xxxxxxxxx>
Delivery-date: Thu, 16 Sep 2010 07:15:49 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <201009151645.19714.Christoph.Egger@xxxxxxx>
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: <1283959344-3837-1-git-send-email-qing.he@xxxxxxxxx> <201009151205.09118.Christoph.Egger@xxxxxxx> <1A42CE6F5F474C41B63392A5F80372B22A8C23B3@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <201009151645.19714.Christoph.Egger@xxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: ActU5RdIJhSrdRZvSaW93Pc0DceQFAAw3/Aw
Thread-topic: [Xen-devel] [PATCH 15/16] vmx: nest: capability reporting MSRs
Christoph Egger wrote:
> On Wednesday 15 September 2010 16:28:29 Dong, Eddie wrote:
>> Christoph Egger wrote:
>>> On Wednesday 08 September 2010 17:22:23 Qing He wrote:
>>>> handles VMX capability reporting MSRs.
>>>> Some features are masked so L1 would see a rather
>>>> simple configuration
>>>> Signed-off-by: Qing He <qing.he@xxxxxxxxx>
>>>> Signed-off-by: Eddie Dong <eddie.dong@xxxxxxxxx>
>>> Are there any vmx capability features that are read out via cpuid ?
>>> If yes, then that code belongs into the tools patch.
>> That is in 16.txt, you can include in your code. Once you fixed the
>> MAX LEAF issue, I can ack that patch.
> Andre tried you to explain why the MAXLEAF change is not a problem.
> Is there an other problem ?

I replied to him and figured out the problem.

That is assuming Intel future processor won't implement more than 0x8...8 leaf, 
that is not good thing to do.
And the name of MAX_LEAF is then wrong to Intel CPU.
Xen-devel mailing list

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