On Thu, 2021-12-16 at 08:24 -0600, Tom Lendacky wrote: > This will break an SEV-ES guest because CPUID will generate a #VC and a > #VC handler has not been established yet. > > I guess for now, you can probably just not enable parallel startup for > SEV-ES guests. OK, thanks. I'll expand it to allow 24 bits of (physical) APIC ID then, since it's no longer limited to CPUs without X2APIC. Then we can refrain from doing parallel bringup for SEV-ES guests, as you suggest. What precisely is the check I should be using for that?
Attachment:
smime.p7s
Description: S/MIME cryptographic signature
