From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir.xen@gmail.com>
Subject: Re: Question about xc_translate_foreign_address()
Date: Wed, 25 May 2011 07:16:52 +0100
Message-ID: <CA025D64.1B039%keir.xen@gmail.com>
References: <BANLkTinhjVHP+phtS45vNWn0=_kZmbMkGg@mail.gmail.com>
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On 25/05/2011 05:47, "AP Xen" <apxeng@gmail.com> wrote:

> I have a question about xc_translate_foreign_address(). When this call
> is issued for VCPU1 in a 2 VCPU guest where VCPU1 is in a paused state
> and VCPU0 is active, there is a possibility that VCPU0 could change
> the page tables that VCPU1 is using. There is a window where the
> function could return incorrect information. Is this true or there is
> something that prevents it from happening?

The assumption is that the whole domain is paused.

 -- Keir

> Thanks,
> AP
> 
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