Commit 9acc317b authored Jul 18, 2016 by David Hildenbrand Committed by Christian Borntraeger Jul 18, 2016

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>

parent 6502a34c

arch/s390/kvm/priv.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -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,
		};