From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jean Guyader <jean.guyader@eu.citrix.com>
Subject: Re: CPUS, cores and threads inside domU
Date: Wed, 17 Sep 2008 18:35:21 +0100
Message-ID: <48D13FD9.7090604@eu.citrix.com>
References: <20080914225338.GG17904@chub.in>
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To: Igor Chubin <igor@chub.in>
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Hi Igor,

Igor Chubin wrote:
> Hello, all.
> 
> 
> 
> Please, say me, is it possible to show 
> distinct number of threads, cores and number
> of the virtualized processor inside a guest
> Xen domains (both PV and HVM)?
> (AFAIU it is possible since Xen 3.3)
> 

No, you can't do that.

> 
> And I have a similar question about CPU flags.
> How can I hide some CPU flags and do not show them 
> inside a guest Xen domain?
> 

You should have a look at the cpuid configuration entry.
With this field you can hide some CPU flags by forcing the corresponding bit to 0.

-- 
Jean Guyader