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KVM: s390: fix diagnose code extraction

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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>
This commit is contained in:
Heiko Carstens 2013-11-11 13:56:47 +01:00 committed by Greg Kroah-Hartman
parent 8d353b6d2f
commit 8a6b1708b9
1 changed files with 1 additions and 1 deletions
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2
arch/s390/kvm/diag.c
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@ -130,7 +130,7 @@ 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;
trace_kvm_s390_handle_diag(vcpu, code);
switch (code) {