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
> 

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