diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 9f01d9041b..fee696fb0e 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -2757,10 +2757,15 @@ static void machvirt_machine_init(void)
 }
 type_init(machvirt_machine_init);
 
+static void virt_machine_6_1_options(MachineClass *mc)
+{
+}
+DEFINE_VIRT_MACHINE_AS_LATEST(6, 1)
+
 static void virt_machine_6_0_options(MachineClass *mc)
 {
 }
-DEFINE_VIRT_MACHINE_AS_LATEST(6, 0)
+DEFINE_VIRT_MACHINE(6, 0)
 
 static void virt_machine_5_2_options(MachineClass *mc)
 {
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 40def78183..cebcdcc351 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -36,6 +36,9 @@
 #include "hw/virtio/virtio.h"
 #include "hw/virtio/virtio-pci.h"
 
+GlobalProperty hw_compat_6_0[] = {};
+const size_t hw_compat_6_0_len = G_N_ELEMENTS(hw_compat_6_0);
+
 GlobalProperty hw_compat_5_2[] = {
     { "ICH9-LPC", "smm-compat", "on"},
     { "PIIX4_PM", "smm-compat", "on"},
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 8a84b25a03..364816efc9 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -96,6 +96,9 @@
 #include "trace.h"
 #include CONFIG_DEVICES
 
+GlobalProperty pc_compat_6_0[] = {};
+const size_t pc_compat_6_0_len = G_N_ELEMENTS(pc_compat_6_0);
+
 GlobalProperty pc_compat_5_2[] = {
     { "ICH9-LPC", "x-smi-cpu-hotunplug", "off" },
 };
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 46cc951073..4e8edffeaf 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -415,7 +415,7 @@ static void pc_i440fx_machine_options(MachineClass *m)
     machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE);
 }
 
-static void pc_i440fx_6_0_machine_options(MachineClass *m)
+static void pc_i440fx_6_1_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
     pc_i440fx_machine_options(m);
@@ -424,6 +424,18 @@ static void pc_i440fx_6_0_machine_options(MachineClass *m)
     pcmc->default_cpu_version = 1;
 }
 
+DEFINE_I440FX_MACHINE(v6_1, "pc-i440fx-6.1", NULL,
+                      pc_i440fx_6_1_machine_options);
+
+static void pc_i440fx_6_0_machine_options(MachineClass *m)
+{
+    pc_i440fx_6_1_machine_options(m);
+    m->alias = NULL;
+    m->is_default = false;
+    compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len);
+    compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len);
+}
+
 DEFINE_I440FX_MACHINE(v6_0, "pc-i440fx-6.0", NULL,
                       pc_i440fx_6_0_machine_options);
 
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 53450190f5..458ed41c65 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -345,7 +345,7 @@ static void pc_q35_machine_options(MachineClass *m)
     m->max_cpus = 288;
 }
 
-static void pc_q35_6_0_machine_options(MachineClass *m)
+static void pc_q35_6_1_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
     pc_q35_machine_options(m);
@@ -353,6 +353,17 @@ static void pc_q35_6_0_machine_options(MachineClass *m)
     pcmc->default_cpu_version = 1;
 }
 
+DEFINE_Q35_MACHINE(v6_1, "pc-q35-6.1", NULL,
+                   pc_q35_6_1_machine_options);
+
+static void pc_q35_6_0_machine_options(MachineClass *m)
+{
+    pc_q35_6_1_machine_options(m);
+    m->alias = NULL;
+    compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len);
+    compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len);
+}
+
 DEFINE_Q35_MACHINE(v6_0, "pc-q35-6.0", NULL,
                    pc_q35_6_0_machine_options);
 
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index e4be00b732..529ff056dd 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -4605,14 +4605,25 @@ static void spapr_machine_latest_class_options(MachineClass *mc)
     type_init(spapr_machine_register_##suffix)
 
 /*
- * pseries-6.0
+ * pseries-6.1
  */
-static void spapr_machine_6_0_class_options(MachineClass *mc)
+static void spapr_machine_6_1_class_options(MachineClass *mc)
 {
     /* Defaults for the latest behaviour inherited from the base class */
 }
 
-DEFINE_SPAPR_MACHINE(6_0, "6.0", true);
+DEFINE_SPAPR_MACHINE(6_1, "6.1", true);
+
+/*
+ * pseries-6.0
+ */
+static void spapr_machine_6_0_class_options(MachineClass *mc)
+{
+    spapr_machine_6_1_class_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_6_0, hw_compat_6_0_len);
+}
+
+DEFINE_SPAPR_MACHINE(6_0, "6.0", false);
 
 /*
  * pseries-5.2
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 2972b607f3..56b52d2d30 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -795,14 +795,26 @@ bool css_migration_enabled(void)
     }                                                                         \
     type_init(ccw_machine_register_##suffix)
 
+static void ccw_machine_6_1_instance_options(MachineState *machine)
+{
+}
+
+static void ccw_machine_6_1_class_options(MachineClass *mc)
+{
+}
+DEFINE_CCW_MACHINE(6_1, "6.1", true);
+
 static void ccw_machine_6_0_instance_options(MachineState *machine)
 {
+    ccw_machine_6_1_instance_options(machine);
 }
 
 static void ccw_machine_6_0_class_options(MachineClass *mc)
 {
+    ccw_machine_6_1_class_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_6_0, hw_compat_6_0_len);
 }
-DEFINE_CCW_MACHINE(6_0, "6.0", true);
+DEFINE_CCW_MACHINE(6_0, "6.0", false);
 
 static void ccw_machine_5_2_instance_options(MachineState *machine)
 {
diff --git a/include/hw/boards.h b/include/hw/boards.h
index ad6c8fd537..3d55d2bd62 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -353,6 +353,9 @@ struct MachineState {
     } \
     type_init(machine_initfn##_register_types)
 
+extern GlobalProperty hw_compat_6_0[];
+extern const size_t hw_compat_6_0_len;
+
 extern GlobalProperty hw_compat_5_2[];
 extern const size_t hw_compat_5_2_len;
 
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index dcf060b791..1522a3359a 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -197,6 +197,9 @@ bool pc_system_ovmf_table_find(const char *entry, uint8_t **data,
 void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
                        const CPUArchIdList *apic_ids, GArray *entry);
 
+extern GlobalProperty pc_compat_6_0[];
+extern const size_t pc_compat_6_0_len;
+
 extern GlobalProperty pc_compat_5_2[];
 extern const size_t pc_compat_5_2_len;