From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi.kivity@gmail.com>
Subject: Re: 2 CPU Conformance Issue in KVM/x86
Date: Mon, 09 Mar 2015 21:50:01 +0200
Message-ID: <54FDF969.7080801@gmail.com>
References: <A6F671BC-983C-4005-87E9-FCC68DEF0D30@gmail.com> <54F58471.7020906@redhat.com> <54FDD39C.9060908@gmail.com> <54FDF574.1020102@redhat.com>
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To: Paolo Bonzini <pbonzini@redhat.com>,
	Nadav Amit <namit@cs.technion.ac.il>,
	KVM list <kvm@vger.kernel.org>,
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On 03/09/2015 09:33 PM, Paolo Bonzini wrote:
>
> On 09/03/2015 18:08, Avi Kivity wrote:
>> Is the issue emulating a higher MAXPHYADDR on the guest than is
>> available on the host? I don't think there's any need to support that.
> No, indeed.  The only problem is that the failure mode is quite horrible
> (you get a triple fault, possibly while the guest is running).

Can't qemu simply check for it?

> If you need that, disable EPT. :)
>