From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@redhat.com>
Subject: Re: [RFC] Nested VMX support - kernel
Date: Fri, 21 Aug 2009 18:55:47 +0300
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Cc: Abel Gordon <abelg@il.ibm.com>, agraf@suse.de, aliguori@us.ibm.com,
	Ben-Ami Yassour1 <benami@il.ibm.com>, joerg.roedel@amd.com,
	kvm@vger.kernel.org, mdday@us.ibm.com,
	Muli Ben-Yehuda <muli@il.ibm.com>
To: Orit Wasserman <oritw@il.ibm.com>
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On 08/19/2009 05:18 PM, Orit Wasserman wrote:
>> Why remove the check?  It's still needed (presuming root_gfn refers to
>> the guest eptp).
>>      
> Here the root_gfn refers to the L2 guest CR3, which L0 can't check for
> validity.
>    

Ok.  There must be a similar check for GUEST_CR3 or EPT_POINTER.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.