hw/s390x/s390-stattrib: Remove the old migration_enabled flag

Now that the machine types that set the migration_enabled flag to
false are gone, we can remove it and the related code.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250115073819.15452-4-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

3 files changed, 2 insertions, 8 deletions

diff --git a/hw/s390x/s390-stattrib-kvm.c b/hw/s390x/s390-stattrib-kvm.c
index 2a8e317..d0ff043 100644
--- a/hw/s390x/s390-stattrib-kvm.c
+++ b/hw/s390x/s390-stattrib-kvm.c
@@ -185,7 +185,7 @@ static long long kvm_s390_stattrib_get_dirtycount(S390StAttribState *sa)
 
 static int kvm_s390_stattrib_get_active(S390StAttribState *sa)
 {
-    return kvm_s390_cmma_active() && sa->migration_enabled;
+    return kvm_s390_cmma_active();
 }
 
 static void kvm_s390_stattrib_class_init(ObjectClass *oc, void *data)
diff --git a/hw/s390x/s390-stattrib.c b/hw/s390x/s390-stattrib.c
index be07c28..35bf697 100644
--- a/hw/s390x/s390-stattrib.c
+++ b/hw/s390x/s390-stattrib.c
@@ -304,7 +304,7 @@ static int qemu_s390_set_migrationmode_stub(S390StAttribState *sa, bool value,
 
 static int qemu_s390_get_active(S390StAttribState *sa)
 {
-    return sa->migration_enabled;
+    return true;
 }
 
 static void qemu_s390_stattrib_class_init(ObjectClass *oc, void *data)
@@ -360,10 +360,6 @@ static void s390_stattrib_realize(DeviceState *dev, Error **errp)
                          &savevm_s390_stattrib_handlers, dev);
 }
 
-static const Property s390_stattrib_props[] = {
-    DEFINE_PROP_BOOL("migration-enabled", S390StAttribState, migration_enabled, true),
-};
-
 static void s390_stattrib_class_init(ObjectClass *oc, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(oc);
@@ -371,7 +367,6 @@ static void s390_stattrib_class_init(ObjectClass *oc, void *data)
     dc->hotpluggable = false;
     set_bit(DEVICE_CATEGORY_MISC, dc->categories);
     dc->realize = s390_stattrib_realize;
-    device_class_set_props(dc, s390_stattrib_props);
 }
 
 static void s390_stattrib_instance_init(Object *obj)
diff --git a/include/hw/s390x/storage-attributes.h b/include/hw/s390x/storage-attributes.h
index 8921a04..b5c6d8f 100644
--- a/include/hw/s390x/storage-attributes.h
+++ b/include/hw/s390x/storage-attributes.h
@@ -25,7 +25,6 @@ OBJECT_DECLARE_TYPE(S390StAttribState, S390StAttribClass, S390_STATTRIB)
 struct S390StAttribState {
     DeviceState parent_obj;
     uint64_t migration_cur_gfn;
-    bool migration_enabled;
 };