Commit f9f6bbc6 authored Jun 20, 2013 by Thomas Huth Committed by Paolo Bonzini Jun 20, 2013

KVM: s390: Privileged operation check for TPROT



TPROT is a privileged instruction and thus should generate a privileged
operation exception when the problem state bit is not cleared in the PSW.

Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

parent 208dd756

arch/s390/kvm/priv.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -596,6 +596,9 @@ static int handle_tprot(struct kvm_vcpu *vcpu)

		vcpu->stat.instruction_tprot++;

		if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
		return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);

		kvm_s390_get_base_disp_sse(vcpu, &address1, &address2);

		/* we only handle the Linux memory detection case: