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From: Avi Kivity <avi.kivity@gmail.com>
To: "Paolo Bonzini" <pbonzini@redhat.com>,
	"Nadav Amit" <namit@cs.technion.ac.il>,
	"KVM list" <kvm@vger.kernel.org>,
	"Radim Krčmář" <rkrcmar@redhat.com>
Subject: Re: 2 CPU Conformance Issue in KVM/x86
Date: Mon, 09 Mar 2015 21:50:01 +0200	[thread overview]
Message-ID: <54FDF969.7080801@gmail.com> (raw)
In-Reply-To: <54FDF574.1020102@redhat.com>

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. :)
>


  reply	other threads:[~2015-03-09 19:50 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-03  8:34 2 CPU Conformance Issue in KVM/x86 Nadav Amit
2015-03-03  9:52 ` Paolo Bonzini
2015-03-03 10:18   ` Nadav Amit
2015-03-03 14:31     ` Radim Krčmář
2015-03-09 17:08   ` Avi Kivity
2015-03-09 17:51     ` Nadav Amit
2015-03-09 18:23       ` Avi Kivity
2015-03-09 19:07         ` Nadav Amit
2015-03-09 19:19           ` Avi Kivity
2015-03-09 19:38             ` Paolo Bonzini
2015-03-09 19:49               ` Avi Kivity
2015-03-10 10:47                 ` Paolo Bonzini
2015-03-10 20:38                   ` Avi Kivity
2015-03-09 19:33     ` Paolo Bonzini
2015-03-09 19:50       ` Avi Kivity [this message]
2015-03-10 10:44         ` Paolo Bonzini

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