On Tue, May 09, 2023 at 09:53:00PM +0800, Yan Zhao wrote:> +void kvm_mtrr_init(struct kvm_vcpu *vcpu)> +{> + struct kvm *kvm = vcpu->kvm;> +> + if (vcpu->vcpu_id)> + return;vcpu_id is provided by userspace so I don't think there's any guaranteethat a vCPU with vcpu_id == 0 exists.