Re: [Xen-devel] [PATCH v9 05/11] x86/hvm: Permit guests direct access to MSR_{SPEC_CTRL, PRED_CMD}

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 18.01.18 at 16:46, <andrew.cooper3@xxxxxxxxxx> wrote:
> @@ -292,6 +301,16 @@ static int update_domain_cpuid_info(struct domain *d,
>              d->arch.pv_domain.cpuidmasks->e1cd = mask;
>          }
>          break;
> +
> +    case 0x80000008:
> +        /*
> +         * If the IBRB policy has changed, we need to recalculate the MSR

"IBPB" I think? Other than that
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

Jan


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