From a0cadc7231408c3edbe17f0fbfa6d3d721f06f07 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Mon, 11 Nov 2013 13:56:47 +0100 Subject: [PATCH] KVM: s390: fix diagnose code extraction commit 743db27c526e0f31cc507959d662e97e2048a86f upstream. The diagnose code to be used is the contents of the base register (if not zero), plus the displacement. The current code ignores the base register contents. So let's fix that... Reviewed-by: Cornelia Huck Cc: stable@vger.kernel.org Signed-off-by: Heiko Carstens Signed-off-by: Cornelia Huck Signed-off-by: Greg Kroah-Hartman --- arch/s390/kvm/diag.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c index 3a74d8a..832f35c 100644 --- a/arch/s390/kvm/diag.c +++ b/arch/s390/kvm/diag.c @@ -139,7 +139,7 @@ static int __diag_virtio_hypercall(struct kvm_vcpu *vcpu) int kvm_s390_handle_diag(struct kvm_vcpu *vcpu) { - int code = (vcpu->arch.sie_block->ipb & 0xfff0000) >> 16; + int code = kvm_s390_get_base_disp_rs(vcpu) & 0xffff; if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE) return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP); -- 2.7.4