From: Janis Schoetterl-Glausch <scgl@xxxxxxxxxxxxx> Availability of the KVM_CAP_S390_MEM_OP_EXTENSION capability signals that: * The vcpu MEM_OP IOCTL supports storage key checking. * The vm MEM_OP IOCTL exists. Signed-off-by: Janis Schoetterl-Glausch <scgl@xxxxxxxxxxxxx> Reviewed-by: Janosch Frank <frankja@xxxxxxxxxxxxx> Reviewed-by: Christian Borntraeger <borntraeger@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20220211182215.2730017-9-scgl@xxxxxxxxxxxxx Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxxxxx> --- arch/s390/kvm/kvm-s390.c | 1 + include/uapi/linux/kvm.h | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 773bccdd446c..c2c26c2aad64 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -564,6 +564,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_S390_VCPU_RESETS: case KVM_CAP_SET_GUEST_DEBUG: case KVM_CAP_S390_DIAG318: + case KVM_CAP_S390_MEM_OP_EXTENSION: r = 1; break; case KVM_CAP_SET_GUEST_DEBUG2: diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 4bc7623def87..08756eeea065 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -1140,6 +1140,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_VM_GPA_BITS 207 #define KVM_CAP_XSAVE2 208 #define KVM_CAP_SYS_ATTRIBUTES 209 +#define KVM_CAP_S390_MEM_OP_EXTENSION 210 #ifdef KVM_CAP_IRQ_ROUTING -- 2.35.1
