1 files changed, 8 insertions, 0 deletions
diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
index f2f75d2a57..a2d5ad78f6 100644
--- a/target/s390x/kvm.c
+++ b/target/s390x/kvm.c
@@ -2456,6 +2456,14 @@ void kvm_s390_get_host_cpu_model(S390CPUModel *model, Error **errp)
         KVM_S390_VM_CRYPTO_ENABLE_APIE)) {
         set_bit(S390_FEAT_AP, model->features);
     }
+
+    /*
+     * Extended-Length SCCB is handled entirely within QEMU.
+     * For PV guests this is completely fenced by the Ultravisor, as Service
+     * Call error checking and STFLE interpretation are handled via SIE.
+     */
+    set_bit(S390_FEAT_EXTENDED_LENGTH_SCCB, model->features);
+
     /* strip of features that are not part of the maximum model */
     bitmap_and(model->features, model->features, model->def->full_feat,
                S390_FEAT_MAX);