4.15-stable review patch. If anyone has any objections, please let me know.
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From: David Hildenbrand david@redhat.com
commit d16b52cb9cdb6f06dea8ab2f0a428e7d7f0b0a81 upstream.
We must copy both, the epoch and the epoch_idx.
Signed-off-by: David Hildenbrand david@redhat.com Message-Id: 20180207114647.6220-4-david@redhat.com Fixes: 8fa1696ea781 ("KVM: s390: Multiple Epoch Facility support") Reviewed-by: Cornelia Huck cohuck@redhat.com Reviewed-by: Christian Borntraeger borntraeger@de.ibm.com Fixes: 8fa1696ea781 ("KVM: s390: Multiple Epoch Facility support") Cc: stable@vger.kernel.org Signed-off-by: Christian Borntraeger borntraeger@de.ibm.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/s390/kvm/kvm-s390.c | 1 + 1 file changed, 1 insertion(+)
--- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2359,6 +2359,7 @@ void kvm_arch_vcpu_postcreate(struct kvm mutex_lock(&vcpu->kvm->lock); preempt_disable(); vcpu->arch.sie_block->epoch = vcpu->kvm->arch.epoch; + vcpu->arch.sie_block->epdx = vcpu->kvm->arch.epdx; preempt_enable(); mutex_unlock(&vcpu->kvm->lock); if (!kvm_is_ucontrol(vcpu->kvm)) {