On Wed, 2022-07-06 at 13:11 -0700, Jim Mattson wrote: > On Wed, Jul 6, 2022 at 10:52 AM Sean Christopherson <seanjc@xxxxxxxxxx> wrote: > > > Hmm, I'm not entirely convinced that Intel doesn't interpret "internal to the > > processor" as "undocumented SMRAM fields". But I could also be misremembering > > the SMI flows. > > Start using reserved SMRAM, and you will regret it when the vendor > assigns some new bit of state to the same location. > This is true to some extent, but our SMRAM layout doesn't follow the spec anyway. This is the reason I asked (I posted an RFC as a good citizen), in the first place all of you, if you prefer SMRAM or KVM internal state. Anyway if this is a concern, I can just save the interrupt shadow in KVM, and migrate it, its not hard, in fact the v1 of my patches did exactly that. Paolo, what should I do? Best regards, Maxim Levitsky
