Messages in this thread | | | Subject | Re: [PATCH 06/11] x86/sev: Replace occurrences of sev_es_active() with prot_guest_has() | From | Tom Lendacky <> | Date | Mon, 9 Aug 2021 16:59:00 -0500 |
| |
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 >
| |