Re: [PATCH v2 6/6] Describe KVM_MSR_STEAL_TIME

Avi Kivity
2011-02-02T10:15:02Z

On 02/01/2011 05:54 PM, Glauber Costa wrote:
> >
> > The guest must initialize the entire 64-byte structure to zero before
> > enabling the feature.
>
> I honestly don't see why. But I also don't see why not...
> Will update it.

Requiring the guest to initialize it to zero allows us to later assign
meanings to various fields, as long as a zero value is backwards compatible.

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