On 8/2/21 5:45 AM, Joerg Roedel wrote:
> On Tue, Jul 27, 2021 at 05:26:09PM -0500, Tom Lendacky wrote:
>> @@ -48,7 +47,7 @@ static void sme_sev_setup_real_mode(struct
>> trampoline_header *th)
>> if (prot_guest_has(PATTR_HOST_MEM_ENCRYPT))
>> th->flags |= TH_FLAGS_SME_ACTIVE;
>>
>> - if (sev_es_active()) {
>> + if (prot_guest_has(PATTR_GUEST_PROT_STATE)) {
>> /*
>> * Skip the call to verify_cpu() in secondary_startup_64 as it
>> * will cause #VC exceptions when the AP can't handle them yet.
>
> Not sure how TDX will handle AP booting, are you sure it needs this
> special setup as well? Otherwise a check for SEV-ES would be better
> instead of the generic PATTR_GUEST_PROT_STATE.
Yes, I'm not sure either. I figure that change can be made, if needed, as
part of the TDX support.
Thanks,
Tom
>
> Regards,
>
> Joerg
>
