Messages in this thread | | | Date | Thu, 10 Aug 2023 16:03:16 +0200 | From | Paolo Bonzini <> | Subject | Re: [RFC PATCH 08/11] KVM: x86: Let moving encryption context be configurable |
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On 8/8/23 01:01, Ackerley Tng wrote: > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c > index 75d48379d94d..a1a28dd77b94 100644 > --- a/arch/x86/kvm/x86.c > +++ b/arch/x86/kvm/x86.c > @@ -6351,7 +6351,14 @@ static int kvm_vm_move_enc_context_from(struct kvm *kvm, unsigned int source_fd) > if (r) > goto out_mark_migration_done; > > - r = static_call(kvm_x86_vm_move_enc_context_from)(kvm, source_kvm); > + /* > + * Different types of VMs will allow userspace to define if moving > + * encryption context should be supported. > + */ > + if (kvm->arch.vm_move_enc_ctxt_supported && > + kvm_x86_ops.vm_move_enc_context_from) { > + r = static_call(kvm_x86_vm_move_enc_context_from)(kvm, source_kvm); > + }
Rather than "supported" this is more "required". So perhaps kvm->arch.use_vm_enc_ctxt_op?
Paolo
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