>>> On 07.04.16 at 13:57, <andrew.coop...@citrix.com> wrote:
> All of this information will be used by the toolstack to make informed
> levelling decisions for VMs, and by Xen to sanity check toolstack-provided
> information.
> 
> The split between the shadow and hap HVM masks is necessary due to the lack of
> a "get cpuid policy" hypercall.  Multi-host toolstacks (i.e. not libxl)
> dealing with hap and non-hap capable hosts need to be able to calculate that
> migrating a shadow guest is safe.
> 
> Future planned development work will implement proper cpuid policy handing in
> Xen, including a "get policy" hypercall, but until then, the difference is
> made available for toolstack use via a non-stable interface.
> 
> Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
> Reviewed-by: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>

Reviewed-by: Jan Beulich <jbeul...@suse.com>


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