On Mon, 16 Mar 2015 09:51:45 +0100
Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote:
> From: "Jason J. Herne" <jjherne@xxxxxxxxxxxxxxxxxx>
>
> Provide the KVM_S390_GET_SKEYS and KVM_S390_SET_SKEYS ioctl which can be used
> to get/set guest storage keys. This functionality is needed for live migration
> of s390 guests that use storage keys.
>
> Signed-off-by: Jason J. Herne <jjherne@xxxxxxxxxxxxxxxxxx>
> Reviewed-by: David Hildenbrand <dahi@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
> ---
> Documentation/virtual/kvm/api.txt | 58 ++++++++++++++++++
> arch/s390/kvm/kvm-s390.c | 122 ++++++++++++++++++++++++++++++++++++++
> include/uapi/linux/kvm.h | 14 +++++
> 3 files changed, 194 insertions(+)
>
> @@ -791,6 +801,7 @@ struct kvm_ppc_smmu_info {
> #define KVM_CAP_S390_VECTOR_REGISTERS 107
> #define KVM_CAP_S390_MEM_OP 108
> #define KVM_CAP_S390_USER_STSI 109
> +#define KVM_CAP_S390_SKEYS 110
Hm... did you forget to actually advertise this cap?
>
> #ifdef KVM_CAP_IRQ_ROUTING
>
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