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From: Paolo Bonzini <pbonzini@redhat.com>
To: "Avi Kivity" <avi.kivity@gmail.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: Tue, 10 Mar 2015 11:44:57 +0100	[thread overview]
Message-ID: <54FECB29.8090800@redhat.com> (raw)
In-Reply-To: <54FDF969.7080801@gmail.com>



On 09/03/2015 20:50, 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?

Yes.  But right now it doesn't even try to do something sensible with
MAXPHYADDR. :/

Paolo

      reply	other threads:[~2015-03-10 10:45 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
2015-03-10 10:44         ` Paolo Bonzini [this message]

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