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authorHeiko Carstens <heiko.carstens@de.ibm.com>2013-11-11 13:56:47 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-06 11:22:17 -0800
commita0cadc7231408c3edbe17f0fbfa6d3d721f06f07 (patch)
treee2d326cc0e169e4830a3ddd1a12d0c926de08c98 /arch/s390
parentc7a11402ab28c099eccfa2d34c0653f89a99b272 (diff)
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 <cornelia.huck@de.ibm.com> Cc: stable@vger.kernel.org Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/kvm/diag.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c
index 3a74d8af0d6..832f35c0e90 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);