lkml.org 
[lkml]   [2021]   [Sep]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH] KVM: SEV: Disable KVM_CAP_VM_COPY_ENC_CONTEXT_FROM for SEV-ES
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

\
 
 \ /
  Last update: 2021-09-21 17:06    [W:0.048 / U:0.280 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site