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Date: Thu, 16 Sep 2021 11:08:21 -0700 From: Nathan Tempelman <natet@...gle.com> To: Paolo Bonzini <pbonzini@...hat.com> Cc: Peter Gonda <pgonda@...gle.com>, Sean Christopherson <seanjc@...gle.com>, kvm list <kvm@...r.kernel.org>, Marc Orr <marcorr@...gle.com>, Brijesh Singh <brijesh.singh@....com>, linux-kernel@...r.kernel.org Subject: Re: [PATCH] KVM: SEV: Disable KVM_CAP_VM_COPY_ENC_CONTEXT_FROM for SEV-ES On Wed, Sep 15, 2021 at 3:33 PM Paolo Bonzini <pbonzini@...hat.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 > +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.
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