On 17/08/2010 08:19, "Dong, Eddie" <eddie.dong@xxxxxxxxx> wrote:
>> xc_get_hvm_param(xch, domid, HVM_PARAM_PAE_ENABLED, &pae);
>> is_pae = !!pae;
>>
>> + xc_get_hvm_param(xch, domid, HVM_PARAM_NESTEDHVM, &nestedhvm);
>
> If you insist to support cross vendor nested virtualization, I would like to
> suggest we have multiple options for configuration: VMX, SVM, or HW.
> VMX and SVM option is for what situation that the user want to enforce the
> guest VMX/SVM features regardless of underlying hardware, while HW means to
> implements same with underlying virtualization feature in guest. In this way,
> it provides room for either cross vendor nested virtualization or natively
> virtualization.
We don't want cross-vendor nested virt, ever. So a simple boolean is fine
imo.
-- Keir
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