diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index e484aedee9c87febbd5d93a9f1ed6f8c7ae2fe1a..657a45ff9559343c4c2195740abbed29fd8b1cf8 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -30,6 +30,7 @@
 #include "hw/s390x/s390-virtio-ccw.h"
 #include "hw/s390x/css-bridge.h"
 #include "migration/register.h"
+#include "cpu_models.h"
 
 static const char *const reset_dev_types[] = {
     TYPE_VIRTUAL_CSS_BRIDGE,
@@ -503,6 +504,8 @@ DEFINE_CCW_MACHINE(2_10, "2.10", true);
 static void ccw_machine_2_9_instance_options(MachineState *machine)
 {
     ccw_machine_2_10_instance_options(machine);
+    s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
+    s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c
index 33404e4b07c3efd71253e4c8e13274c5a360eb72..af14b11199baa1b6b42bcf30c6a4a968558ce3a7 100644
--- a/target/s390x/gen-features.c
+++ b/target/s390x/gen-features.c
@@ -429,6 +429,7 @@ static uint16_t full_GEN12_GA1[] = {
     S390_FEAT_ADAPTER_EVENT_NOTIFICATION,
     S390_FEAT_ADAPTER_INT_SUPPRESSION,
     S390_FEAT_EDAT_2,
+    S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2,
 };
 
 static uint16_t full_GEN12_GA2[] = {
@@ -488,6 +489,8 @@ static uint16_t default_GEN12_GA1[] = {
     S390_FEAT_ZPCI,
     S390_FEAT_ADAPTER_EVENT_NOTIFICATION,
     S390_FEAT_EDAT_2,
+    S390_FEAT_ESOP,
+    S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2,
 };
 
 #define default_GEN12_GA2 EmptyFeat