9 Aug
2021
9 Aug
'21
9:59 p.m.
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