Messages in this thread | | | From | Peter Gonda <> | Date | Tue, 21 Sep 2021 09:04:20 -0600 | Subject | Re: [PATCH] KVM: SEV: Disable KVM_CAP_VM_COPY_ENC_CONTEXT_FROM for SEV-ES |
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On Thu, Sep 16, 2021 at 1:00 PM Nathan Tempelman <natet@google.com> wrote: > > On Thu, Sep 16, 2021 at 11:08 AM Nathan Tempelman <natet@google.com> wrote: > > > > On Wed, Sep 15, 2021 at 3:33 PM Paolo Bonzini <pbonzini@redhat.com> wrote: > > > > > > On 15/09/21 18:10, Peter Gonda wrote: > > > > svm_vm_copy_asid_from() { > > > > > > > > asid = to_kvm_svm(source_kvm)->sev_info.asid; > > > > + handle = to_kvm_svm(source_kvm)->sev_info.handle; > > > > + fd = to_kvm_svm(source_kvm)->sev_info.fd; > > > > + es_active = to_kvm_svm(source_kvm)->sev_info.es_active; > > > > > > > > ... > > > > > > > > /* Set enc_context_owner and copy its encryption context over */ > > > > mirror_sev = &to_kvm_svm(kvm)->sev_info; > > > > mirror_sev->enc_context_owner = source_kvm; > > > > mirror_sev->asid = asid; > > > > mirror_sev->active = true; > > > > + mirror_sev->handle = handle; > > > > + mirror_sev->fd = fd; > > > > + mirror_sev->es_active = es_active; > > > > > > > > Paolo would you prefer a patch to enable ES mirroring or continue with > > > > this patch to disable it for now? > > > > > > If it's possible to enable it, it would be better. The above would be a > > > reasonable patch for 5.15-rc. > > > > > > Paolo
Sounds good, sent a 2 patch series this morning.
> > > > > > > +1. We don't have any immediate plans for sev-es, but it would be nice > > to have while we're here. But if you want to make the trivial fix I > > can come along and do it later. > > +Steve Rutherford
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