Re: [PATCH v2 2/6] KVM-HV: KVM Steal time implementation

Avi Kivity
2011-02-02T10:09:28Z

On 02/01/2011 09:58 PM, Glauber Costa wrote:
> >
> > Guest reads version (result: 2)
> > Guest starts reading data
> > Live migration; vcpu->arch.sversion is zeroed
> > Steal time update; vcpu->arch.sversion += 2; write to guest
> > Guest continues reading data
> > Guest reads version (result: 2)
> >
> > So the guest is unaware that an update has occurred while it was reading
> > the data.
> Ok, fair.
>
> By the way, kvmclock have the same problem, then
>

It needs the same fix then.

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