KVM: s390: let ptff intercepts result in cc=3

We don't emulate ptff subfunctions, therefore react on any attempt of
execution by setting cc=3 (Requested function not available).

Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>

diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index c77ad2d..4616038 100644 (file)
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -1185,7 +1185,15 @@ static int handle_sckpf(struct kvm_vcpu *vcpu)
        return 0;
 }
 
+static int handle_ptff(struct kvm_vcpu *vcpu)
+{
+       /* we don't emulate any control instructions yet */
+       kvm_s390_set_psw_cc(vcpu, 3);
+       return 0;
+}
+
 static const intercept_handler_t x01_handlers[256] = {
+       [0x04] = handle_ptff,
        [0x07] = handle_sckpf,
 };