Re: [PATCH v3 37/37] KVM: s390: protvirt: introduce and enable KVM_CAP_S390_PROTECTED

David Hildenbrand
2020-02-21T10:47:44Z

On 20.02.20 11:40, Christian Borntraeger wrote:
> Now that everything is in place, we can announce the feature.
>
> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
> ---
> arch/s390/kvm/kvm-s390.c | 3 +++
> include/uapi/linux/kvm.h | 1 +
> 2 files changed, 4 insertions(+)
>
> diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
> index d79ccd34b5cb..e5f823840c29 100644
> --- a/arch/s390/kvm/kvm-s390.c
> +++ b/arch/s390/kvm/kvm-s390.c
> @@ -574,6 +574,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
> case KVM_CAP_S390_BPB:
> r = test_facility(82);
> break;
> + case KVM_CAP_S390_PROTECTED:
> + r = is_prot_virt_host();
> + break;
> default:
> r = 0;
> }
> diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
> index 60efbbc86209..2551de8bec57 100644
> --- a/include/uapi/linux/kvm.h
> +++ b/include/uapi/linux/kvm.h
> @@ -1015,6 +1015,7 @@ struct kvm_ppc_resize_hpt {
> #define KVM_CAP_ARM_NISV_TO_USER 177
> #define KVM_CAP_ARM_INJECT_EXT_DABT 178
> #define KVM_CAP_S390_VCPU_RESETS 179
> +#define KVM_CAP_S390_PROTECTED 180
>
> #ifdef KVM_CAP_IRQ_ROUTING

Reviewed-by: David Hildenbrand <david@redhat.com>

--
Thanks,

David / dhildenb