Re: [PATCH 05/12] x86/hyperv: Change vTOM handling to use standard coco mechanisms

[Tianyu Lan <ltykernel@xxxxxxxxx>]

On 10/21/2022 1:57 AM, Michael Kelley wrote:
> +
> +void __init hv_vtom_init(void)
> +{
> +	cc_set_vendor(CC_VENDOR_HYPERV);
> +	cc_set_mask(ms_hyperv.shared_gpa_boundary);
> +	physical_mask &= ms_hyperv.shared_gpa_boundary - 1;


hv_vtom_init() also works for VBS case. VBS doesn't have vTOM support
and so shared_gpa_boundary should not be applied for VBS. Here seems to 
assume ms_hyperv.shared_gpa_boundary to 0 for VBS, right?