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-rw-r--r--accel/accel.c12
-rw-r--r--backends/hostmem-file.c8
-rw-r--r--backends/hostmem-memfd.c2
-rw-r--r--backends/hostmem-ram.c9
-rw-r--r--backends/hostmem.c36
-rw-r--r--hw/arm/virt.c46
-rw-r--r--hw/core/machine.c347
-rw-r--r--hw/core/qdev-properties.c49
-rw-r--r--hw/core/qdev.c15
-rw-r--r--hw/i386/pc.c674
-rw-r--r--hw/i386/pc_piix.c508
-rw-r--r--hw/i386/pc_q35.c36
-rw-r--r--hw/ppc/spapr.c207
-rw-r--r--hw/s390x/s390-virtio-ccw.c196
-rw-r--r--hw/xen/xen-common.c41
-rw-r--r--include/hw/boards.h59
-rw-r--r--include/hw/compat.h299
-rw-r--r--include/hw/i386/pc.h689
-rw-r--r--include/hw/qdev-core.h23
-rw-r--r--include/qom/object.h3
-rw-r--r--include/sysemu/accel.h4
-rw-r--r--include/sysemu/hostmem.h3
-rw-r--r--qom/cpu.c1
-rw-r--r--qom/object.c35
-rw-r--r--target/arm/cpu-qom.h3
-rw-r--r--target/arm/cpu.c30
-rw-r--r--target/arm/cpu.h2
-rw-r--r--target/arm/cpu64.c24
-rw-r--r--target/i386/cpu.c1
-rw-r--r--target/sparc/cpu.c1
-rw-r--r--tests/test-qdev-global-props.c57
-rw-r--r--vl.c4
32 files changed, 1786 insertions, 1638 deletions
diff --git a/accel/accel.c b/accel/accel.c
index 3da26eb90f..6db5d8f4df 100644
--- a/accel/accel.c
+++ b/accel/accel.c
@@ -119,18 +119,6 @@ void configure_accelerator(MachineState *ms)
     }
 }
 
-void accel_register_compat_props(AccelState *accel)
-{
-    AccelClass *class = ACCEL_GET_CLASS(accel);
-    GlobalProperty *prop = class->global_props;
-
-    for (; prop && prop->driver; prop++) {
-        /* Any compat_props must never cause error */
-        prop->errp = &error_abort;
-        qdev_prop_register_global(prop);
-    }
-}
-
 void accel_setup_post(MachineState *ms)
 {
     AccelState *accel = ms->accelerator;
diff --git a/backends/hostmem-file.c b/backends/hostmem-file.c
index 78f058dee2..7a34e25c43 100644
--- a/backends/hostmem-file.c
+++ b/backends/hostmem-file.c
@@ -43,7 +43,7 @@ file_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
 {
     HostMemoryBackendFile *fb = MEMORY_BACKEND_FILE(backend);
 #ifdef CONFIG_POSIX
-    gchar *path;
+    gchar *name;
 #endif
 
     if (!backend->size) {
@@ -58,14 +58,14 @@ file_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
     error_setg(errp, "-mem-path not supported on this host");
 #else
     backend->force_prealloc = mem_prealloc;
-    path = object_get_canonical_path(OBJECT(backend));
+    name = host_memory_backend_get_name(backend);
     memory_region_init_ram_from_file(&backend->mr, OBJECT(backend),
-                                     path,
+                                     name,
                                      backend->size, fb->align,
                                      (backend->share ? RAM_SHARED : 0) |
                                      (fb->is_pmem ? RAM_PMEM : 0),
                                      fb->mem_path, errp);
-    g_free(path);
+    g_free(name);
 #endif
 }
 
diff --git a/backends/hostmem-memfd.c b/backends/hostmem-memfd.c
index 2eb9c827a5..98c9bf3240 100644
--- a/backends/hostmem-memfd.c
+++ b/backends/hostmem-memfd.c
@@ -53,7 +53,7 @@ memfd_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
         return;
     }
 
-    name = object_get_canonical_path(OBJECT(backend));
+    name = host_memory_backend_get_name(backend);
     memory_region_init_ram_from_fd(&backend->mr, OBJECT(backend),
                                    name, backend->size,
                                    backend->share, fd, errp);
diff --git a/backends/hostmem-ram.c b/backends/hostmem-ram.c
index 7ddd08d370..24b65d9ae3 100644
--- a/backends/hostmem-ram.c
+++ b/backends/hostmem-ram.c
@@ -16,21 +16,20 @@
 
 #define TYPE_MEMORY_BACKEND_RAM "memory-backend-ram"
 
-
 static void
 ram_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
 {
-    char *path;
+    char *name;
 
     if (!backend->size) {
         error_setg(errp, "can't create backend with size 0");
         return;
     }
 
-    path = object_get_canonical_path_component(OBJECT(backend));
-    memory_region_init_ram_shared_nomigrate(&backend->mr, OBJECT(backend), path,
+    name = host_memory_backend_get_name(backend);
+    memory_region_init_ram_shared_nomigrate(&backend->mr, OBJECT(backend), name,
                            backend->size, backend->share, errp);
-    g_free(path);
+    g_free(name);
 }
 
 static void
diff --git a/backends/hostmem.c b/backends/hostmem.c
index af800284e0..0c8ef17653 100644
--- a/backends/hostmem.c
+++ b/backends/hostmem.c
@@ -28,6 +28,16 @@ QEMU_BUILD_BUG_ON(HOST_MEM_POLICY_BIND != MPOL_BIND);
 QEMU_BUILD_BUG_ON(HOST_MEM_POLICY_INTERLEAVE != MPOL_INTERLEAVE);
 #endif
 
+char *
+host_memory_backend_get_name(HostMemoryBackend *backend)
+{
+    if (!backend->use_canonical_path) {
+        return object_get_canonical_path_component(OBJECT(backend));
+    }
+
+    return object_get_canonical_path(OBJECT(backend));
+}
+
 static void
 host_memory_backend_get_size(Object *obj, Visitor *v, const char *name,
                              void *opaque, Error **errp)
@@ -247,6 +257,11 @@ static void host_memory_backend_init(Object *obj)
     backend->prealloc = mem_prealloc;
 }
 
+static void host_memory_backend_post_init(Object *obj)
+{
+    object_apply_compat_props(obj);
+}
+
 bool host_memory_backend_mr_inited(HostMemoryBackend *backend)
 {
     /*
@@ -395,6 +410,23 @@ static void host_memory_backend_set_share(Object *o, bool value, Error **errp)
     backend->share = value;
 }
 
+static bool
+host_memory_backend_get_use_canonical_path(Object *obj, Error **errp)
+{
+    HostMemoryBackend *backend = MEMORY_BACKEND(obj);
+
+    return backend->use_canonical_path;
+}
+
+static void
+host_memory_backend_set_use_canonical_path(Object *obj, bool value,
+                                           Error **errp)
+{
+    HostMemoryBackend *backend = MEMORY_BACKEND(obj);
+
+    backend->use_canonical_path = value;
+}
+
 static void
 host_memory_backend_class_init(ObjectClass *oc, void *data)
 {
@@ -441,6 +473,9 @@ host_memory_backend_class_init(ObjectClass *oc, void *data)
         &error_abort);
     object_class_property_set_description(oc, "share",
         "Mark the memory as private to QEMU or shared", &error_abort);
+    object_class_property_add_bool(oc, "x-use-canonical-path-for-ramblock-id",
+        host_memory_backend_get_use_canonical_path,
+        host_memory_backend_set_use_canonical_path, &error_abort);
 }
 
 static const TypeInfo host_memory_backend_info = {
@@ -451,6 +486,7 @@ static const TypeInfo host_memory_backend_info = {
     .class_init = host_memory_backend_class_init,
     .instance_size = sizeof(HostMemoryBackend),
     .instance_init = host_memory_backend_init,
+    .instance_post_init = host_memory_backend_post_init,
     .interfaces = (InterfaceInfo[]) {
         { TYPE_USER_CREATABLE },
         { }
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index c2641e56ea..99c2b6e60d 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -43,7 +43,6 @@
 #include "sysemu/numa.h"
 #include "sysemu/sysemu.h"
 #include "sysemu/kvm.h"
-#include "hw/compat.h"
 #include "hw/loader.h"
 #include "exec/address-spaces.h"
 #include "qemu/bitops.h"
@@ -1872,84 +1871,63 @@ static void virt_machine_4_0_options(MachineClass *mc)
 }
 DEFINE_VIRT_MACHINE_AS_LATEST(4, 0)
 
-#define VIRT_COMPAT_3_1 \
-    HW_COMPAT_3_1
-
 static void virt_machine_3_1_options(MachineClass *mc)
 {
     virt_machine_4_0_options(mc);
-    SET_MACHINE_COMPAT(mc, VIRT_COMPAT_3_1);
+    compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len);
 }
 DEFINE_VIRT_MACHINE(3, 1)
 
-#define VIRT_COMPAT_3_0 \
-    HW_COMPAT_3_0
-
 static void virt_machine_3_0_options(MachineClass *mc)
 {
     virt_machine_3_1_options(mc);
-    SET_MACHINE_COMPAT(mc, VIRT_COMPAT_3_0);
+    compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len);
 }
 DEFINE_VIRT_MACHINE(3, 0)
 
-#define VIRT_COMPAT_2_12 \
-    HW_COMPAT_2_12
-
 static void virt_machine_2_12_options(MachineClass *mc)
 {
     VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc));
 
     virt_machine_3_0_options(mc);
-    SET_MACHINE_COMPAT(mc, VIRT_COMPAT_2_12);
+    compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len);
     vmc->no_highmem_ecam = true;
     mc->max_cpus = 255;
 }
 DEFINE_VIRT_MACHINE(2, 12)
 
-#define VIRT_COMPAT_2_11 \
-    HW_COMPAT_2_11
-
 static void virt_machine_2_11_options(MachineClass *mc)
 {
     VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc));
 
     virt_machine_2_12_options(mc);
-    SET_MACHINE_COMPAT(mc, VIRT_COMPAT_2_11);
+    compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len);
     vmc->smbios_old_sys_ver = true;
 }
 DEFINE_VIRT_MACHINE(2, 11)
 
-#define VIRT_COMPAT_2_10 \
-    HW_COMPAT_2_10
-
 static void virt_machine_2_10_options(MachineClass *mc)
 {
     virt_machine_2_11_options(mc);
-    SET_MACHINE_COMPAT(mc, VIRT_COMPAT_2_10);
+    compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len);
     /* before 2.11 we never faulted accesses to bad addresses */
     mc->ignore_memory_transaction_failures = true;
 }
 DEFINE_VIRT_MACHINE(2, 10)
 
-#define VIRT_COMPAT_2_9 \
-    HW_COMPAT_2_9
-
 static void virt_machine_2_9_options(MachineClass *mc)
 {
     virt_machine_2_10_options(mc);
-    SET_MACHINE_COMPAT(mc, VIRT_COMPAT_2_9);
+    compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len);
 }
 DEFINE_VIRT_MACHINE(2, 9)
 
-#define VIRT_COMPAT_2_8 \
-    HW_COMPAT_2_8
-
 static void virt_machine_2_8_options(MachineClass *mc)
 {
     VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc));
 
     virt_machine_2_9_options(mc);
-    SET_MACHINE_COMPAT(mc, VIRT_COMPAT_2_8);
+    compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len);
     /* For 2.8 and earlier we falsely claimed in the DT that
      * our timers were edge-triggered, not level-triggered.
      */
@@ -1957,15 +1935,12 @@ static void virt_machine_2_8_options(MachineClass *mc)
 }
 DEFINE_VIRT_MACHINE(2, 8)
 
-#define VIRT_COMPAT_2_7 \
-    HW_COMPAT_2_7
-
 static void virt_machine_2_7_options(MachineClass *mc)
 {
     VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc));
 
     virt_machine_2_8_options(mc);
-    SET_MACHINE_COMPAT(mc, VIRT_COMPAT_2_7);
+    compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len);
     /* ITS was introduced with 2.8 */
     vmc->no_its = true;
     /* Stick with 1K pages for migration compatibility */
@@ -1973,15 +1948,12 @@ static void virt_machine_2_7_options(MachineClass *mc)
 }
 DEFINE_VIRT_MACHINE(2, 7)
 
-#define VIRT_COMPAT_2_6 \
-    HW_COMPAT_2_6
-
 static void virt_machine_2_6_options(MachineClass *mc)
 {
     VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc));
 
     virt_machine_2_7_options(mc);
-    SET_MACHINE_COMPAT(mc, VIRT_COMPAT_2_6);
+    compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len);
     vmc->disallow_affinity_adjustment = true;
     /* Disable PMU for 2.6 as PMU support was first introduced in 2.7 */
     vmc->no_pmu = true;
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 4439ea663f..f8563efb86 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -21,6 +21,334 @@
 #include "sysemu/numa.h"
 #include "qemu/error-report.h"
 #include "sysemu/qtest.h"
+#include "hw/pci/pci.h"
+
+GlobalProperty hw_compat_3_1[] = {
+    {
+        .driver   = "pcie-root-port",
+        .property = "x-speed",
+        .value    = "2_5",
+    },{
+        .driver   = "pcie-root-port",
+        .property = "x-width",
+        .value    = "1",
+    },{
+        .driver   = "memory-backend-file",
+        .property = "x-use-canonical-path-for-ramblock-id",
+        .value    = "true",
+    },{
+        .driver   = "memory-backend-memfd",
+        .property = "x-use-canonical-path-for-ramblock-id",
+        .value    = "true",
+    },
+};
+const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1);
+
+GlobalProperty hw_compat_3_0[] = {};
+const size_t hw_compat_3_0_len = G_N_ELEMENTS(hw_compat_3_0);
+
+GlobalProperty hw_compat_2_12[] = {
+    {
+        .driver   = "migration",
+        .property = "decompress-error-check",
+        .value    = "off",
+    },{
+        .driver   = "hda-audio",
+        .property = "use-timer",
+        .value    = "false",
+    },{
+        .driver   = "cirrus-vga",
+        .property = "global-vmstate",
+        .value    = "true",
+    },{
+        .driver   = "VGA",
+        .property = "global-vmstate",
+        .value    = "true",
+    },{
+        .driver   = "vmware-svga",
+        .property = "global-vmstate",
+        .value    = "true",
+    },{
+        .driver   = "qxl-vga",
+        .property = "global-vmstate",
+        .value    = "true",
+    },
+};
+const size_t hw_compat_2_12_len = G_N_ELEMENTS(hw_compat_2_12);
+
+GlobalProperty hw_compat_2_11[] = {
+    {
+        .driver   = "hpet",
+        .property = "hpet-offset-saved",
+        .value    = "false",
+    },{
+        .driver   = "virtio-blk-pci",
+        .property = "vectors",
+        .value    = "2",
+    },{
+        .driver   = "vhost-user-blk-pci",
+        .property = "vectors",
+        .value    = "2",
+    },{
+        .driver   = "e1000",
+        .property = "migrate_tso_props",
+        .value    = "off",
+    },
+};
+const size_t hw_compat_2_11_len = G_N_ELEMENTS(hw_compat_2_11);
+
+GlobalProperty hw_compat_2_10[] = {
+    {
+        .driver   = "virtio-mouse-device",
+        .property = "wheel-axis",
+        .value    = "false",
+    },{
+        .driver   = "virtio-tablet-device",
+        .property = "wheel-axis",
+        .value    = "false",
+    },
+};
+const size_t hw_compat_2_10_len = G_N_ELEMENTS(hw_compat_2_10);
+
+GlobalProperty hw_compat_2_9[] = {
+    {
+        .driver   = "pci-bridge",
+        .property = "shpc",
+        .value    = "off",
+    },{
+        .driver   = "intel-iommu",
+        .property = "pt",
+        .value    = "off",
+    },{
+        .driver   = "virtio-net-device",
+        .property = "x-mtu-bypass-backend",
+        .value    = "off",
+    },{
+        .driver   = "pcie-root-port",
+        .property = "x-migrate-msix",
+        .value    = "false",
+    },
+};
+const size_t hw_compat_2_9_len = G_N_ELEMENTS(hw_compat_2_9);
+
+GlobalProperty hw_compat_2_8[] = {
+    {
+        .driver   = "fw_cfg_mem",
+        .property = "x-file-slots",
+        .value    = stringify(0x10),
+    },{
+        .driver   = "fw_cfg_io",
+        .property = "x-file-slots",
+        .value    = stringify(0x10),
+    },{
+        .driver   = "pflash_cfi01",
+        .property = "old-multiple-chip-handling",
+        .value    = "on",
+    },{
+        .driver   = "pci-bridge",
+        .property = "shpc",
+        .value    = "on",
+    },{
+        .driver   = TYPE_PCI_DEVICE,
+        .property = "x-pcie-extcap-init",
+        .value    = "off",
+    },{
+        .driver   = "virtio-pci",
+        .property = "x-pcie-deverr-init",
+        .value    = "off",
+    },{
+        .driver   = "virtio-pci",
+        .property = "x-pcie-lnkctl-init",
+        .value    = "off",
+    },{
+        .driver   = "virtio-pci",
+        .property = "x-pcie-pm-init",
+        .value    = "off",
+    },{
+        .driver   = "cirrus-vga",
+        .property = "vgamem_mb",
+        .value    = "8",
+    },{
+        .driver   = "isa-cirrus-vga",
+        .property = "vgamem_mb",
+        .value    = "8",
+    },
+};
+const size_t hw_compat_2_8_len = G_N_ELEMENTS(hw_compat_2_8);
+
+GlobalProperty hw_compat_2_7[] = {
+    {
+        .driver   = "virtio-pci",
+        .property = "page-per-vq",
+        .value    = "on",
+    },{
+        .driver   = "virtio-serial-device",
+        .property = "emergency-write",
+        .value    = "off",
+    },{
+        .driver   = "ioapic",
+        .property = "version",
+        .value    = "0x11",
+    },{
+        .driver   = "intel-iommu",
+        .property = "x-buggy-eim",
+        .value    = "true",
+    },{
+        .driver   = "virtio-pci",
+        .property = "x-ignore-backend-features",
+        .value    = "on",
+    },
+};
+const size_t hw_compat_2_7_len = G_N_ELEMENTS(hw_compat_2_7);
+
+GlobalProperty hw_compat_2_6[] = {
+    {
+        .driver   = "virtio-mmio",
+        .property = "format_transport_address",
+        .value    = "off",
+    },{
+        .driver   = "virtio-pci",
+        .property = "disable-modern",
+        .value    = "on",
+    },{
+        .driver   = "virtio-pci",
+        .property = "disable-legacy",
+        .value    = "off",
+    },
+};
+const size_t hw_compat_2_6_len = G_N_ELEMENTS(hw_compat_2_6);
+
+GlobalProperty hw_compat_2_5[] = {
+    {
+        .driver   = "isa-fdc",
+        .property = "fallback",
+        .value    = "144",
+    },{
+        .driver   = "pvscsi",
+        .property = "x-old-pci-configuration",
+        .value    = "on",
+    },{
+        .driver   = "pvscsi",
+        .property = "x-disable-pcie",
+        .value    = "on",
+    },
+    {
+        .driver   = "vmxnet3",
+        .property = "x-old-msi-offsets",
+        .value    = "on",
+    },{
+        .driver   = "vmxnet3",
+        .property = "x-disable-pcie",
+        .value    = "on",
+    },
+};
+const size_t hw_compat_2_5_len = G_N_ELEMENTS(hw_compat_2_5);
+
+GlobalProperty hw_compat_2_4[] = {
+    {
+        .driver   = "virtio-blk-device",
+        .property = "scsi",
+        .value    = "true",
+    },{
+        .driver   = "e1000",
+        .property = "extra_mac_registers",
+        .value    = "off",
+    },{
+        .driver   = "virtio-pci",
+        .property = "x-disable-pcie",
+        .value    = "on",
+    },{
+        .driver   = "virtio-pci",
+        .property = "migrate-extra",
+        .value    = "off",
+    },{
+        .driver   = "fw_cfg_mem",
+        .property = "dma_enabled",
+        .value    = "off",
+    },{
+        .driver   = "fw_cfg_io",
+        .property = "dma_enabled",
+        .value    = "off",
+    }
+};
+const size_t hw_compat_2_4_len = G_N_ELEMENTS(hw_compat_2_4);
+
+GlobalProperty hw_compat_2_3[] = {
+    {
+        .driver   = "virtio-blk-pci",
+        .property = "any_layout",
+        .value    = "off",
+    },{
+        .driver   = "virtio-balloon-pci",
+        .property = "any_layout",
+        .value    = "off",
+    },{
+        .driver   = "virtio-serial-pci",
+        .property = "any_layout",
+        .value    = "off",
+    },{
+        .driver   = "virtio-9p-pci",
+        .property = "any_layout",
+        .value    = "off",
+    },{
+        .driver   = "virtio-rng-pci",
+        .property = "any_layout",
+        .value    = "off",
+    },{
+        .driver   = TYPE_PCI_DEVICE,
+        .property = "x-pcie-lnksta-dllla",
+        .value    = "off",
+    },{
+        .driver   = "migration",
+        .property = "send-configuration",
+        .value    = "off",
+    },{
+        .driver   = "migration",
+        .property = "send-section-footer",
+        .value    = "off",
+    },{
+        .driver   = "migration",
+        .property = "store-global-state",
+        .value    = "off",
+    },
+};
+const size_t hw_compat_2_3_len = G_N_ELEMENTS(hw_compat_2_3);
+
+GlobalProperty hw_compat_2_2[] = {};
+const size_t hw_compat_2_2_len = G_N_ELEMENTS(hw_compat_2_2);
+
+GlobalProperty hw_compat_2_1[] = {
+    {
+        .driver   = "intel-hda",
+        .property = "old_msi_addr",
+        .value    = "on",
+    },{
+        .driver   = "VGA",
+        .property = "qemu-extended-regs",
+        .value    = "off",
+    },{
+        .driver   = "secondary-vga",
+        .property = "qemu-extended-regs",
+        .value    = "off",
+    },{
+        .driver   = "virtio-scsi-pci",
+        .property = "any_layout",
+        .value    = "off",
+    },{
+        .driver   = "usb-mouse",
+        .property = "usb_version",
+        .value    = stringify(1),
+    },{
+        .driver   = "usb-kbd",
+        .property = "usb_version",
+        .value    = stringify(1),
+    },{
+        .driver   = "virtio-pci",
+        .property = "virtio-pci-bus-master-bug-migration",
+        .value    = "on",
+    },
+};
+const size_t hw_compat_2_1_len = G_N_ELEMENTS(hw_compat_2_1);
 
 static char *machine_get_accel(Object *obj, Error **errp)
 {
@@ -647,6 +975,7 @@ static void machine_class_base_init(ObjectClass *oc, void *data)
         assert(g_str_has_suffix(cname, TYPE_MACHINE_SUFFIX));
         mc->name = g_strndup(cname,
                             strlen(cname) - strlen(TYPE_MACHINE_SUFFIX));
+        mc->compat_props = g_ptr_array_new();
     }
 }
 
@@ -836,24 +1165,6 @@ void machine_run_board_init(MachineState *machine)
     machine_class->init(machine);
 }
 
-void machine_register_compat_props(MachineState *machine)
-{
-    MachineClass *mc = MACHINE_GET_CLASS(machine);
-    int i;
-    GlobalProperty *p;
-
-    if (!mc->compat_props) {
-        return;
-    }
-
-    for (i = 0; i < mc->compat_props->len; i++) {
-        p = g_array_index(mc->compat_props, GlobalProperty *, i);
-        /* Machine compat_props must never cause errors: */
-        p->errp = &error_abort;
-        qdev_prop_register_global(p);
-    }
-}
-
 static const TypeInfo machine_info = {
     .name = TYPE_MACHINE,
     .parent = TYPE_OBJECT,
diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
index 943dc2654b..5da1439a8b 100644
--- a/hw/core/qdev-properties.c
+++ b/hw/core/qdev-properties.c
@@ -1173,28 +1173,35 @@ void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value)
     *ptr = value;
 }
 
-static GList *global_props;
+static GPtrArray *global_props(void)
+{
+    static GPtrArray *gp;
+
+    if (!gp) {
+        gp = g_ptr_array_new();
+    }
+
+    return gp;
+}
 
 void qdev_prop_register_global(GlobalProperty *prop)
 {
-    global_props = g_list_append(global_props, prop);
+    g_ptr_array_add(global_props(), prop);
 }
 
 int qdev_prop_check_globals(void)
 {
-    GList *l;
-    int ret = 0;
+    int i, ret = 0;
 
-    for (l = global_props; l; l = l->next) {
-        GlobalProperty *prop = l->data;
+    for (i = 0; i < global_props()->len; i++) {
+        GlobalProperty *prop;
         ObjectClass *oc;
         DeviceClass *dc;
+
+        prop = g_ptr_array_index(global_props(), i);
         if (prop->used) {
             continue;
         }
-        if (!prop->user_provided) {
-            continue;
-        }
         oc = object_class_by_name(prop->driver);
         oc = object_class_dynamic_cast(oc, TYPE_DEVICE);
         if (!oc) {
@@ -1216,28 +1223,8 @@ int qdev_prop_check_globals(void)
 
 void qdev_prop_set_globals(DeviceState *dev)
 {
-    GList *l;
-
-    for (l = global_props; l; l = l->next) {
-        GlobalProperty *prop = l->data;
-        Error *err = NULL;
-
-        if (object_dynamic_cast(OBJECT(dev), prop->driver) == NULL) {
-            continue;
-        }
-        prop->used = true;
-        object_property_parse(OBJECT(dev), prop->value, prop->property, &err);
-        if (err != NULL) {
-            error_prepend(&err, "can't apply global %s.%s=%s: ",
-                          prop->driver, prop->property, prop->value);
-            if (!dev->hotplugged && prop->errp) {
-                error_propagate(prop->errp, err);
-            } else {
-                assert(prop->user_provided);
-                warn_report_err(err);
-            }
-        }
-    }
+    object_apply_global_props(OBJECT(dev), global_props(),
+                              dev->hotplugged ? NULL : &error_fatal);
 }
 
 /* --- 64bit unsigned int 'size' type --- */
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index 6b3cc55b27..3769a2bccb 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -970,8 +970,23 @@ static void device_initfn(Object *obj)
     QLIST_INIT(&dev->gpios);
 }
 
+void object_apply_compat_props(Object *obj)
+{
+    if (object_dynamic_cast(qdev_get_machine(), TYPE_MACHINE)) {
+        MachineState *m = MACHINE(qdev_get_machine());
+        MachineClass *mc = MACHINE_GET_CLASS(m);
+        AccelClass *ac = ACCEL_GET_CLASS(m->accelerator);
+
+        if (ac->compat_props) {
+            object_apply_global_props(obj, ac->compat_props, &error_abort);
+        }
+        object_apply_global_props(obj, mc->compat_props, &error_abort);
+    }
+}
+
 static void device_post_init(Object *obj)
 {
+    object_apply_compat_props(obj);
     qdev_prop_set_globals(DEVICE(obj));
 }
 
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index f248662e97..4952feb476 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -72,6 +72,7 @@
 #include "qapi/visitor.h"
 #include "qom/cpu.h"
 #include "hw/nmi.h"
+#include "hw/usb.h"
 #include "hw/i386/intel_iommu.h"
 #include "hw/net/ne2000-isa.h"
 
@@ -109,6 +110,679 @@ static struct e820_entry *e820_table;
 static unsigned e820_entries;
 struct hpet_fw_config hpet_cfg = {.count = UINT8_MAX};
 
+GlobalProperty pc_compat_3_1[] = {
+    {
+        .driver   = "intel-iommu",
+        .property = "dma-drain",
+        .value    = "off",
+    },
+};
+const size_t pc_compat_3_1_len = G_N_ELEMENTS(pc_compat_3_1);
+
+GlobalProperty pc_compat_3_0[] = {
+    {
+        .driver   = TYPE_X86_CPU,
+        .property = "x-hv-synic-kvm-only",
+        .value    = "on",
+    },{
+        .driver   = "Skylake-Server" "-" TYPE_X86_CPU,
+        .property = "pku",
+        .value    = "off",
+    },{
+        .driver   = "Skylake-Server-IBRS" "-" TYPE_X86_CPU,
+        .property = "pku",
+        .value    = "off",
+    },
+};
+const size_t pc_compat_3_0_len = G_N_ELEMENTS(pc_compat_3_0);
+
+GlobalProperty pc_compat_2_12[] = {
+    {
+        .driver   = TYPE_X86_CPU,
+        .property = "legacy-cache",
+        .value    = "on",
+    },{
+        .driver   = TYPE_X86_CPU,
+        .property = "topoext",
+        .value    = "off",
+    },{
+        .driver   = "EPYC-" TYPE_X86_CPU,
+        .property = "xlevel",
+        .value    = stringify(0x8000000a),
+    },{
+        .driver   = "EPYC-IBPB-" TYPE_X86_CPU,
+        .property = "xlevel",
+        .value    = stringify(0x8000000a),
+    },
+};
+const size_t pc_compat_2_12_len = G_N_ELEMENTS(pc_compat_2_12);
+
+GlobalProperty pc_compat_2_11[] = {
+    {
+        .driver   = TYPE_X86_CPU,
+        .property = "x-migrate-smi-count",
+        .value    = "off",
+    },{
+        .driver   = "Skylake-Server" "-" TYPE_X86_CPU,
+        .property = "clflushopt",
+        .value    = "off",
+    },
+};
+const size_t pc_compat_2_11_len = G_N_ELEMENTS(pc_compat_2_11);
+
+GlobalProperty pc_compat_2_10[] = {
+    {
+        .driver   = TYPE_X86_CPU,
+        .property = "x-hv-max-vps",
+        .value    = "0x40",
+    },{
+        .driver   = "i440FX-pcihost",
+        .property = "x-pci-hole64-fix",
+        .value    = "off",
+    },{
+        .driver   = "q35-pcihost",
+        .property = "x-pci-hole64-fix",
+        .value    = "off",
+    },
+};
+const size_t pc_compat_2_10_len = G_N_ELEMENTS(pc_compat_2_10);
+
+GlobalProperty pc_compat_2_9[] = {
+    {
+        .driver   = "mch",
+        .property = "extended-tseg-mbytes",
+        .value    = stringify(0),
+    },
+};
+const size_t pc_compat_2_9_len = G_N_ELEMENTS(pc_compat_2_9);
+
+GlobalProperty pc_compat_2_8[] = {
+    {
+        .driver   = TYPE_X86_CPU,
+        .property = "tcg-cpuid",
+        .value    = "off",
+    },
+    {
+        .driver   = "kvmclock",
+        .property = "x-mach-use-reliable-get-clock",
+        .value    = "off",
+    },
+    {
+        .driver   = "ICH9-LPC",
+        .property = "x-smi-broadcast",
+        .value    = "off",
+    },
+    {
+        .driver   = TYPE_X86_CPU,
+        .property = "vmware-cpuid-freq",
+        .value    = "off",
+    },
+    {
+        .driver   = "Haswell-" TYPE_X86_CPU,
+        .property = "stepping",
+        .value    = "1",
+    },
+};
+const size_t pc_compat_2_8_len = G_N_ELEMENTS(pc_compat_2_8);
+
+GlobalProperty pc_compat_2_7[] = {
+    {
+        .driver   = TYPE_X86_CPU,
+        .property = "l3-cache",
+        .value    = "off",
+    },
+    {
+        .driver   = TYPE_X86_CPU,
+        .property = "full-cpuid-auto-level",
+        .value    = "off",
+    },
+    {
+        .driver   = "Opteron_G3" "-" TYPE_X86_CPU,
+        .property = "family",
+        .value    = "15",
+    },
+    {
+        .driver   = "Opteron_G3" "-" TYPE_X86_CPU,
+        .property = "model",
+        .value    = "6",
+    },
+    {
+        .driver   = "Opteron_G3" "-" TYPE_X86_CPU,
+        .property = "stepping",
+        .value    = "1",
+    },
+    {
+        .driver   = "isa-pcspk",
+        .property = "migrate",
+        .value    = "off",
+    },
+};
+const size_t pc_compat_2_7_len = G_N_ELEMENTS(pc_compat_2_7);
+
+GlobalProperty pc_compat_2_6[] = {
+    {
+        .driver   = TYPE_X86_CPU,
+        .property = "cpuid-0xb",
+        .value    = "off",
+    },{
+        .driver   = "vmxnet3",
+        .property = "romfile",
+        .value    = "",
+    },
+    {
+        .driver = TYPE_X86_CPU,
+        .property = "fill-mtrr-mask",
+        .value = "off",
+    },
+    {
+        .driver   = "apic-common",
+        .property = "legacy-instance-id",
+        .value    = "on",
+    }
+};
+const size_t pc_compat_2_6_len = G_N_ELEMENTS(pc_compat_2_6);
+
+GlobalProperty pc_compat_2_5[] = {};
+const size_t pc_compat_2_5_len = G_N_ELEMENTS(pc_compat_2_5);
+
+GlobalProperty pc_compat_2_4[] = {
+    PC_CPU_MODEL_IDS("2.4.0")
+    {
+        .driver   = "Haswell-" TYPE_X86_CPU,
+        .property = "abm",
+        .value    = "off",
+    },
+    {
+        .driver   = "Haswell-noTSX-" TYPE_X86_CPU,
+        .property = "abm",
+        .value    = "off",
+    },
+    {
+        .driver   = "Broadwell-" TYPE_X86_CPU,
+        .property = "abm",
+        .value    = "off",
+    },
+    {
+        .driver   = "Broadwell-noTSX-" TYPE_X86_CPU,
+        .property = "abm",
+        .value    = "off",
+    },
+    {
+        .driver   = "host" "-" TYPE_X86_CPU,
+        .property = "host-cache-info",
+        .value    = "on",
+    },
+    {
+        .driver   = TYPE_X86_CPU,
+        .property = "check",
+        .value    = "off",
+    },
+    {
+        .driver   = "qemu64" "-" TYPE_X86_CPU,
+        .property = "sse4a",
+        .value    = "on",
+    },
+    {
+        .driver   = "qemu64" "-" TYPE_X86_CPU,
+        .property = "abm",
+        .value    = "on",
+    },
+    {
+        .driver   = "qemu64" "-" TYPE_X86_CPU,
+        .property = "popcnt",
+        .value    = "on",
+    },
+    {
+        .driver   = "qemu32" "-" TYPE_X86_CPU,
+        .property = "popcnt",
+        .value    = "on",
+    },{
+        .driver   = "Opteron_G2" "-" TYPE_X86_CPU,
+        .property = "rdtscp",
+        .value    = "on",
+    },{
+        .driver   = "Opteron_G3" "-" TYPE_X86_CPU,
+        .property = "rdtscp",
+        .value    = "on",
+    },{
+        .driver   = "Opteron_G4" "-" TYPE_X86_CPU,
+        .property = "rdtscp",
+        .value    = "on",
+    },{
+        .driver   = "Opteron_G5" "-" TYPE_X86_CPU,
+        .property = "rdtscp",
+        .value    = "on",
+    }
+};
+const size_t pc_compat_2_4_len = G_N_ELEMENTS(pc_compat_2_4);
+
+GlobalProperty pc_compat_2_3[] = {
+    PC_CPU_MODEL_IDS("2.3.0")
+    {
+        .driver   = TYPE_X86_CPU,
+        .property = "arat",
+        .value    = "off",
+    },{
+        .driver   = "qemu64" "-" TYPE_X86_CPU,
+        .property = "min-level",
+        .value    = stringify(4),
+    },{
+        .driver   = "kvm64" "-" TYPE_X86_CPU,
+        .property = "min-level",
+        .value    = stringify(5),
+    },{
+        .driver   = "pentium3" "-" TYPE_X86_CPU,
+        .property = "min-level",
+        .value    = stringify(2),
+    },{
+        .driver   = "n270" "-" TYPE_X86_CPU,
+        .property = "min-level",
+        .value    = stringify(5),
+    },{
+        .driver   = "Conroe" "-" TYPE_X86_CPU,
+        .property = "min-level",
+        .value    = stringify(4),
+    },{
+        .driver   = "Penryn" "-" TYPE_X86_CPU,
+        .property = "min-level",
+        .value    = stringify(4),
+    },{
+        .driver   = "Nehalem" "-" TYPE_X86_CPU,
+        .property = "min-level",
+        .value    = stringify(4),
+    },{
+        .driver   = "n270" "-" TYPE_X86_CPU,
+        .property = "min-xlevel",
+        .value    = stringify(0x8000000a),
+    },{
+        .driver   = "Penryn" "-" TYPE_X86_CPU,
+        .property = "min-xlevel",
+        .value    = stringify(0x8000000a),
+    },{
+        .driver   = "Conroe" "-" TYPE_X86_CPU,
+        .property = "min-xlevel",
+        .value    = stringify(0x8000000a),
+    },{
+        .driver   = "Nehalem" "-" TYPE_X86_CPU,
+        .property = "min-xlevel",
+        .value    = stringify(0x8000000a),
+    },{
+        .driver   = "Westmere" "-" TYPE_X86_CPU,
+        .property = "min-xlevel",
+        .value    = stringify(0x8000000a),
+    },{
+        .driver   = "SandyBridge" "-" TYPE_X86_CPU,
+        .property = "min-xlevel",
+        .value    = stringify(0x8000000a),
+    },{
+        .driver   = "IvyBridge" "-" TYPE_X86_CPU,
+        .property = "min-xlevel",
+        .value    = stringify(0x8000000a),
+    },{
+        .driver   = "Haswell" "-" TYPE_X86_CPU,
+        .property = "min-xlevel",
+        .value    = stringify(0x8000000a),
+    },{
+        .driver   = "Haswell-noTSX" "-" TYPE_X86_CPU,
+        .property = "min-xlevel",
+        .value    = stringify(0x8000000a),
+    },{
+        .driver   = "Broadwell" "-" TYPE_X86_CPU,
+        .property = "min-xlevel",
+        .value    = stringify(0x8000000a),
+    },{
+        .driver   = "Broadwell-noTSX" "-" TYPE_X86_CPU,
+        .property = "min-xlevel",
+        .value    = stringify(0x8000000a),
+    },{
+        .driver = TYPE_X86_CPU,
+        .property = "kvm-no-smi-migration",
+        .value    = "on",
+    },
+};
+const size_t pc_compat_2_3_len = G_N_ELEMENTS(pc_compat_2_3);
+
+GlobalProperty pc_compat_2_2[] = {
+    PC_CPU_MODEL_IDS("2.2.0")
+    {
+        .driver = "kvm64" "-" TYPE_X86_CPU,
+        .property = "vme",
+        .value = "off",
+    },
+    {
+        .driver = "kvm32" "-" TYPE_X86_CPU,
+        .property = "vme",
+        .value = "off",
+    },
+    {
+        .driver = "Conroe" "-" TYPE_X86_CPU,
+        .property = "vme",
+        .value = "off",
+    },
+    {
+        .driver = "Penryn" "-" TYPE_X86_CPU,
+        .property = "vme",
+        .value = "off",
+    },
+    {
+        .driver = "Nehalem" "-" TYPE_X86_CPU,
+        .property = "vme",
+        .value = "off",
+    },
+    {
+        .driver = "Westmere" "-" TYPE_X86_CPU,
+        .property = "vme",
+        .value = "off",
+    },
+    {
+        .driver = "SandyBridge" "-" TYPE_X86_CPU,
+        .property = "vme",
+        .value = "off",
+    },
+    {
+        .driver = "Haswell" "-" TYPE_X86_CPU,
+        .property = "vme",
+        .value = "off",
+    },
+    {
+        .driver = "Broadwell" "-" TYPE_X86_CPU,
+        .property = "vme",
+        .value = "off",
+    },
+    {
+        .driver = "Opteron_G1" "-" TYPE_X86_CPU,
+        .property = "vme",
+        .value = "off",
+    },
+    {
+        .driver = "Opteron_G2" "-" TYPE_X86_CPU,
+        .property = "vme",
+        .value = "off",
+    },
+    {
+        .driver = "Opteron_G3" "-" TYPE_X86_CPU,
+        .property = "vme",
+        .value = "off",
+    },
+    {
+        .driver = "Opteron_G4" "-" TYPE_X86_CPU,
+        .property = "vme",
+        .value = "off",
+    },
+    {
+        .driver = "Opteron_G5" "-" TYPE_X86_CPU,
+        .property = "vme",
+        .value = "off",
+    },
+    {
+        .driver = "Haswell" "-" TYPE_X86_CPU,
+        .property = "f16c",
+        .value = "off",
+    },
+    {
+        .driver = "Haswell" "-" TYPE_X86_CPU,
+        .property = "rdrand",
+        .value = "off",
+    },
+    {
+        .driver = "Broadwell" "-" TYPE_X86_CPU,
+        .property = "f16c",
+        .value = "off",
+    },
+    {
+        .driver = "Broadwell" "-" TYPE_X86_CPU,
+        .property = "rdrand",
+        .value = "off",
+    },
+};
+const size_t pc_compat_2_2_len = G_N_ELEMENTS(pc_compat_2_2);
+
+GlobalProperty pc_compat_2_1[] = {
+    PC_CPU_MODEL_IDS("2.1.0")
+    {
+        .driver = "coreduo" "-" TYPE_X86_CPU,
+        .property = "vmx",
+        .value = "on",
+    },
+    {
+        .driver = "core2duo" "-" TYPE_X86_CPU,
+        .property = "vmx",
+        .value = "on",
+    },
+};
+const size_t pc_compat_2_1_len = G_N_ELEMENTS(pc_compat_2_1);
+
+GlobalProperty pc_compat_2_0[] = {
+    PC_CPU_MODEL_IDS("2.0.0")
+    {
+        .driver   = "virtio-scsi-pci",
+        .property = "any_layout",
+        .value    = "off",
+    },{
+        .driver   = "PIIX4_PM",
+        .property = "memory-hotplug-support",
+        .value    = "off",
+    },
+    {
+        .driver   = "apic",
+        .property = "version",
+        .value    = stringify(0x11),
+    },
+    {
+        .driver   = "nec-usb-xhci",
+        .property = "superspeed-ports-first",
+        .value    = "off",
+    },
+    {
+        .driver   = "nec-usb-xhci",
+        .property = "force-pcie-endcap",
+        .value    = "on",
+    },
+    {
+        .driver   = "pci-serial",
+        .property = "prog_if",
+        .value    = stringify(0),
+    },
+    {
+        .driver   = "pci-serial-2x",
+        .property = "prog_if",
+        .value    = stringify(0),
+    },
+    {
+        .driver   = "pci-serial-4x",
+        .property = "prog_if",
+        .value    = stringify(0),
+    },
+    {
+        .driver   = "virtio-net-pci",
+        .property = "guest_announce",
+        .value    = "off",
+    },
+    {
+        .driver   = "ICH9-LPC",
+        .property = "memory-hotplug-support",
+        .value    = "off",
+    },{
+        .driver   = "xio3130-downstream",
+        .property = COMPAT_PROP_PCP,
+        .value    = "off",
+    },{
+        .driver   = "ioh3420",
+        .property = COMPAT_PROP_PCP,
+        .value    = "off",
+    },
+};
+const size_t pc_compat_2_0_len = G_N_ELEMENTS(pc_compat_2_0);
+
+GlobalProperty pc_compat_1_7[] = {
+    PC_CPU_MODEL_IDS("1.7.0")
+    {
+        .driver   = TYPE_USB_DEVICE,
+        .property = "msos-desc",
+        .value    = "no",
+    },
+    {
+        .driver   = "PIIX4_PM",
+        .property = "acpi-pci-hotplug-with-bridge-support",
+        .value    = "off",
+    },
+    {
+        .driver   = "hpet",
+        .property = HPET_INTCAP,
+        .value    = stringify(4),
+    },
+};
+const size_t pc_compat_1_7_len = G_N_ELEMENTS(pc_compat_1_7);
+
+GlobalProperty pc_compat_1_6[] = {
+    PC_CPU_MODEL_IDS("1.6.0")
+    {
+        .driver   = "e1000",
+        .property = "mitigation",
+        .value    = "off",
+    },{
+        .driver   = "qemu64-" TYPE_X86_CPU,
+        .property = "model",
+        .value    = stringify(2),
+    },{
+        .driver   = "qemu32-" TYPE_X86_CPU,
+        .property = "model",
+        .value    = stringify(3),
+    },{
+        .driver   = "i440FX-pcihost",
+        .property = "short_root_bus",
+        .value    = stringify(1),
+    },{
+        .driver   = "q35-pcihost",
+        .property = "short_root_bus",
+        .value    = stringify(1),
+    },
+};
+const size_t pc_compat_1_6_len = G_N_ELEMENTS(pc_compat_1_6);
+
+GlobalProperty pc_compat_1_5[] = {
+    PC_CPU_MODEL_IDS("1.5.0")
+    {
+        .driver   = "Conroe-" TYPE_X86_CPU,
+        .property = "model",
+        .value    = stringify(2),
+    },{
+        .driver   = "Conroe-" TYPE_X86_CPU,
+        .property = "min-level",
+        .value    = stringify(2),
+    },{
+        .driver   = "Penryn-" TYPE_X86_CPU,
+        .property = "model",
+        .value    = stringify(2),
+    },{
+        .driver   = "Penryn-" TYPE_X86_CPU,
+        .property = "min-level",
+        .value    = stringify(2),
+    },{
+        .driver   = "Nehalem-" TYPE_X86_CPU,
+        .property = "model",
+        .value    = stringify(2),
+    },{
+        .driver   = "Nehalem-" TYPE_X86_CPU,
+        .property = "min-level",
+        .value    = stringify(2),
+    },{
+        .driver   = "virtio-net-pci",
+        .property = "any_layout",
+        .value    = "off",
+    },{
+        .driver = TYPE_X86_CPU,
+        .property = "pmu",
+        .value = "on",
+    },{
+        .driver   = "i440FX-pcihost",
+        .property = "short_root_bus",
+        .value    = stringify(0),
+    },{
+        .driver   = "q35-pcihost",
+        .property = "short_root_bus",
+        .value    = stringify(0),
+    },
+};
+const size_t pc_compat_1_5_len = G_N_ELEMENTS(pc_compat_1_5);
+
+GlobalProperty pc_compat_1_4[] = {
+    PC_CPU_MODEL_IDS("1.4.0")
+    {
+        .driver   = "scsi-hd",
+        .property = "discard_granularity",
+        .value    = stringify(0),
+    },{
+        .driver   = "scsi-cd",
+        .property = "discard_granularity",
+        .value    = stringify(0),
+    },{
+        .driver   = "scsi-disk",
+        .property = "discard_granularity",
+        .value    = stringify(0),
+    },{
+        .driver   = "ide-hd",
+        .property = "discard_granularity",
+        .value    = stringify(0),
+    },{
+        .driver   = "ide-cd",
+        .property = "discard_granularity",
+        .value    = stringify(0),
+    },{
+        .driver   = "ide-drive",
+        .property = "discard_granularity",
+        .value    = stringify(0),
+    },{
+        .driver   = "virtio-blk-pci",
+        .property = "discard_granularity",
+        .value    = stringify(0),
+    },{
+        .driver   = "virtio-serial-pci",
+        .property = "vectors",
+        /* DEV_NVECTORS_UNSPECIFIED as a uint32_t string */
+        .value    = stringify(0xFFFFFFFF),
+    },{
+        .driver   = "virtio-net-pci",
+        .property = "ctrl_guest_offloads",
+        .value    = "off",
+    },{
+        .driver   = "e1000",
+        .property = "romfile",
+        .value    = "pxe-e1000.rom",
+    },{
+        .driver   = "ne2k_pci",
+        .property = "romfile",
+        .value    = "pxe-ne2k_pci.rom",
+    },{
+        .driver   = "pcnet",
+        .property = "romfile",
+        .value    = "pxe-pcnet.rom",
+    },{
+        .driver   = "rtl8139",
+        .property = "romfile",
+        .value    = "pxe-rtl8139.rom",
+    },{
+        .driver   = "virtio-net-pci",
+        .property = "romfile",
+        .value    = "pxe-virtio.rom",
+    },{
+        .driver   = "486-" TYPE_X86_CPU,
+        .property = "model",
+        .value    = stringify(0),
+    },
+    {
+        .driver = "n270" "-" TYPE_X86_CPU,
+        .property = "movbe",
+        .value = "off",
+    },
+    {
+        .driver = "Westmere" "-" TYPE_X86_CPU,
+        .property = "pclmulqdq",
+        .value = "off",
+    },
+};
+const size_t pc_compat_1_4_len = G_N_ELEMENTS(pc_compat_1_4);
+
 void gsi_handler(void *opaque, int n, int level)
 {
     GSIState *s = opaque;
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 7f1cb527b5..ed6984638e 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -310,7 +310,7 @@ static void pc_init1(MachineState *machine,
  * HW_COMPAT_*, PC_COMPAT_*, or * pc_*_machine_options().
  */
 
-static void pc_compat_2_3(MachineState *machine)
+static void pc_compat_2_3_fn(MachineState *machine)
 {
     PCMachineState *pcms = PC_MACHINE(machine);
     if (kvm_enabled()) {
@@ -318,46 +318,46 @@ static void pc_compat_2_3(MachineState *machine)
     }
 }
 
-static void pc_compat_2_2(MachineState *machine)
+static void pc_compat_2_2_fn(MachineState *machine)
 {
-    pc_compat_2_3(machine);
+    pc_compat_2_3_fn(machine);
 }
 
-static void pc_compat_2_1(MachineState *machine)
+static void pc_compat_2_1_fn(MachineState *machine)
 {
-    pc_compat_2_2(machine);
+    pc_compat_2_2_fn(machine);
     x86_cpu_change_kvm_default("svm", NULL);
 }
 
-static void pc_compat_2_0(MachineState *machine)
+static void pc_compat_2_0_fn(MachineState *machine)
 {
-    pc_compat_2_1(machine);
+    pc_compat_2_1_fn(machine);
 }
 
-static void pc_compat_1_7(MachineState *machine)
+static void pc_compat_1_7_fn(MachineState *machine)
 {
-    pc_compat_2_0(machine);
+    pc_compat_2_0_fn(machine);
     x86_cpu_change_kvm_default("x2apic", NULL);
 }
 
-static void pc_compat_1_6(MachineState *machine)
+static void pc_compat_1_6_fn(MachineState *machine)
 {
-    pc_compat_1_7(machine);
+    pc_compat_1_7_fn(machine);
 }
 
-static void pc_compat_1_5(MachineState *machine)
+static void pc_compat_1_5_fn(MachineState *machine)
 {
-    pc_compat_1_6(machine);
+    pc_compat_1_6_fn(machine);
 }
 
-static void pc_compat_1_4(MachineState *machine)
+static void pc_compat_1_4_fn(MachineState *machine)
 {
-    pc_compat_1_5(machine);
+    pc_compat_1_5_fn(machine);
 }
 
 static void pc_compat_1_3(MachineState *machine)
 {
-    pc_compat_1_4(machine);
+    pc_compat_1_4_fn(machine);
     enable_compat_apic_id_mode();
 }
 
@@ -443,7 +443,8 @@ static void pc_i440fx_3_1_machine_options(MachineClass *m)
     pc_i440fx_4_0_machine_options(m);
     m->is_default = 0;
     m->alias = NULL;
-    SET_MACHINE_COMPAT(m, PC_COMPAT_3_1);
+    compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len);
+    compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len);
 }
 
 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL,
@@ -452,7 +453,8 @@ DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL,
 static void pc_i440fx_3_0_machine_options(MachineClass *m)
 {
     pc_i440fx_3_1_machine_options(m);
-    SET_MACHINE_COMPAT(m, PC_COMPAT_3_0);
+    compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len);
+    compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len);
 }
 
 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL,
@@ -461,7 +463,8 @@ DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL,
 static void pc_i440fx_2_12_machine_options(MachineClass *m)
 {
     pc_i440fx_3_0_machine_options(m);
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_12);
+    compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len);
+    compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len);
 }
 
 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL,
@@ -470,7 +473,8 @@ DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL,
 static void pc_i440fx_2_11_machine_options(MachineClass *m)
 {
     pc_i440fx_2_12_machine_options(m);
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_11);
+    compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len);
+    compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len);
 }
 
 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL,
@@ -479,7 +483,8 @@ DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL,
 static void pc_i440fx_2_10_machine_options(MachineClass *m)
 {
     pc_i440fx_2_11_machine_options(m);
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_10);
+    compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len);
+    compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len);
     m->auto_enable_numa_with_memhp = false;
 }
 
@@ -489,7 +494,8 @@ DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL,
 static void pc_i440fx_2_9_machine_options(MachineClass *m)
 {
     pc_i440fx_2_10_machine_options(m);
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_9);
+    compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len);
+    compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len);
     m->numa_auto_assign_ram = numa_legacy_auto_assign_ram;
 }
 
@@ -499,109 +505,114 @@ DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL,
 static void pc_i440fx_2_8_machine_options(MachineClass *m)
 {
     pc_i440fx_2_9_machine_options(m);
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_8);
+    compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len);
+    compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len);
 }
 
 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL,
                       pc_i440fx_2_8_machine_options);
 
-
 static void pc_i440fx_2_7_machine_options(MachineClass *m)
 {
     pc_i440fx_2_8_machine_options(m);
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_7);
+    compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len);
+    compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len);
 }
 
 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL,
                       pc_i440fx_2_7_machine_options);
 
-
 static void pc_i440fx_2_6_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+
     pc_i440fx_2_7_machine_options(m);
     pcmc->legacy_cpu_hotplug = true;
     pcmc->linuxboot_dma_enabled = false;
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_6);
+    compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len);
+    compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len);
 }
 
 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL,
                       pc_i440fx_2_6_machine_options);
 
-
 static void pc_i440fx_2_5_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+
     pc_i440fx_2_6_machine_options(m);
     pcmc->save_tsc_khz = false;
     m->legacy_fw_cfg_order = 1;
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_5);
+    compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len);
+    compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len);
 }
 
 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL,
                       pc_i440fx_2_5_machine_options);
 
-
 static void pc_i440fx_2_4_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+
     pc_i440fx_2_5_machine_options(m);
     m->hw_version = "2.4.0";
     pcmc->broken_reserved_end = true;
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_4);
+    compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len);
+    compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len);
 }
 
 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL,
                       pc_i440fx_2_4_machine_options)
 
-
 static void pc_i440fx_2_3_machine_options(MachineClass *m)
 {
     pc_i440fx_2_4_machine_options(m);
     m->hw_version = "2.3.0";
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_3);
+    compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len);
+    compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len);
 }
 
-DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3,
+DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn,
                       pc_i440fx_2_3_machine_options);
 
-
 static void pc_i440fx_2_2_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+
     pc_i440fx_2_3_machine_options(m);
     m->hw_version = "2.2.0";
     m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on";
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_2);
+    compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len);
+    compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len);
     pcmc->rsdp_in_ram = false;
 }
 
-DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2,
+DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn,
                       pc_i440fx_2_2_machine_options);
 
-
 static void pc_i440fx_2_1_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+
     pc_i440fx_2_2_machine_options(m);
     m->hw_version = "2.1.0";
     m->default_display = NULL;
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_1);
+    compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len);
+    compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len);
     pcmc->smbios_uuid_encoded = false;
     pcmc->enforce_aligned_dimm = false;
 }
 
-DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1,
+DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn,
                       pc_i440fx_2_1_machine_options);
 
-
-
 static void pc_i440fx_2_0_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+
     pc_i440fx_2_1_machine_options(m);
     m->hw_version = "2.0.0";
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_0);
+    compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len);
     pcmc->smbios_legacy_mode = true;
     pcmc->has_reserved_memory = false;
     /* This value depends on the actual DSDT and SSDT compiled into
@@ -624,329 +635,330 @@ static void pc_i440fx_2_0_machine_options(MachineClass *m)
     pcmc->acpi_data_size = 0x10000;
 }
 
-DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0,
+DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn,
                       pc_i440fx_2_0_machine_options);
 
-
 static void pc_i440fx_1_7_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+
     pc_i440fx_2_0_machine_options(m);
     m->hw_version = "1.7.0";
     m->default_machine_opts = NULL;
     m->option_rom_has_mr = true;
-    SET_MACHINE_COMPAT(m, PC_COMPAT_1_7);
+    compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len);
     pcmc->smbios_defaults = false;
     pcmc->gigabyte_align = false;
     pcmc->legacy_acpi_table_size = 6414;
 }
 
-DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7,
+DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn,
                       pc_i440fx_1_7_machine_options);
 
-
 static void pc_i440fx_1_6_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+
     pc_i440fx_1_7_machine_options(m);
     m->hw_version = "1.6.0";
     m->rom_file_has_mr = false;
-    SET_MACHINE_COMPAT(m, PC_COMPAT_1_6);
+    compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len);
     pcmc->has_acpi_build = false;
 }
 
-DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6,
+DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn,
                       pc_i440fx_1_6_machine_options);
 
-
 static void pc_i440fx_1_5_machine_options(MachineClass *m)
 {
     pc_i440fx_1_6_machine_options(m);
     m->hw_version = "1.5.0";
-    SET_MACHINE_COMPAT(m, PC_COMPAT_1_5);
+    compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len);
 }
 
-DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5,
+DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn,
                       pc_i440fx_1_5_machine_options);
 
-
 static void pc_i440fx_1_4_machine_options(MachineClass *m)
 {
     pc_i440fx_1_5_machine_options(m);
     m->hw_version = "1.4.0";
     m->hot_add_cpu = NULL;
-    SET_MACHINE_COMPAT(m, PC_COMPAT_1_4);
+    compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len);
 }
 
-DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4,
+DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn,
                       pc_i440fx_1_4_machine_options);
 
-
-#define PC_COMPAT_1_3 \
-        PC_CPU_MODEL_IDS("1.3.0") \
-        {\
-            .driver   = "usb-tablet",\
-            .property = "usb_version",\
-            .value    = stringify(1),\
-        },{\
-            .driver   = "virtio-net-pci",\
-            .property = "ctrl_mac_addr",\
-            .value    = "off",      \
-        },{ \
-            .driver   = "virtio-net-pci", \
-            .property = "mq", \
-            .value    = "off", \
-        }, {\
-            .driver   = "e1000",\
-            .property = "autonegotiation",\
-            .value    = "off",\
-        },
-
-
 static void pc_i440fx_1_3_machine_options(MachineClass *m)
 {
+    static GlobalProperty compat[] = {
+        PC_CPU_MODEL_IDS("1.3.0")
+        {
+            .driver   = "usb-tablet",
+            .property = "usb_version",
+            .value    = stringify(1),
+        },{
+            .driver   = "virtio-net-pci",
+            .property = "ctrl_mac_addr",
+            .value    = "off",
+        },{
+            .driver   = "virtio-net-pci",
+            .property = "mq",
+            .value    = "off",
+        }, {
+            .driver   = "e1000",
+            .property = "autonegotiation",
+            .value    = "off",
+        },
+    };
+
     pc_i440fx_1_4_machine_options(m);
     m->hw_version = "1.3.0";
-    SET_MACHINE_COMPAT(m, PC_COMPAT_1_3);
+    compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat));
 }
 
 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3,
                       pc_i440fx_1_3_machine_options);
 
 
-#define PC_COMPAT_1_2 \
-        PC_CPU_MODEL_IDS("1.2.0") \
-        {\
-            .driver   = "nec-usb-xhci",\
-            .property = "msi",\
-            .value    = "off",\
-        },{\
-            .driver   = "nec-usb-xhci",\
-            .property = "msix",\
-            .value    = "off",\
-        },{\
-            .driver   = "ivshmem",\
-            .property = "use64",\
-            .value    = "0",\
-        },{\
-            .driver   = "qxl",\
-            .property = "revision",\
-            .value    = stringify(3),\
-        },{\
-            .driver   = "qxl-vga",\
-            .property = "revision",\
-            .value    = stringify(3),\
-        },{\
-            .driver   = "VGA",\
-            .property = "mmio",\
-            .value    = "off",\
-        },
-
 static void pc_i440fx_1_2_machine_options(MachineClass *m)
 {
+    static GlobalProperty compat[] = {
+        PC_CPU_MODEL_IDS("1.2.0")
+        {
+            .driver   = "nec-usb-xhci",
+            .property = "msi",
+            .value    = "off",
+        },{
+            .driver   = "nec-usb-xhci",
+            .property = "msix",
+            .value    = "off",
+        },{
+            .driver   = "ivshmem",
+            .property = "use64",
+            .value    = "0",
+        },{
+            .driver   = "qxl",
+            .property = "revision",
+            .value    = stringify(3),
+        },{
+            .driver   = "qxl-vga",
+            .property = "revision",
+            .value    = stringify(3),
+        },{
+            .driver   = "VGA",
+            .property = "mmio",
+            .value    = "off",
+        },
+    };
+
     pc_i440fx_1_3_machine_options(m);
     m->hw_version = "1.2.0";
-    SET_MACHINE_COMPAT(m, PC_COMPAT_1_2);
+    compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat));
 }
 
 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2,
                       pc_i440fx_1_2_machine_options);
 
 
-#define PC_COMPAT_1_1 \
-        PC_CPU_MODEL_IDS("1.1.0") \
-        {\
-            .driver   = "virtio-scsi-pci",\
-            .property = "hotplug",\
-            .value    = "off",\
-        },{\
-            .driver   = "virtio-scsi-pci",\
-            .property = "param_change",\
-            .value    = "off",\
-        },{\
-            .driver   = "VGA",\
-            .property = "vgamem_mb",\
-            .value    = stringify(8),\
-        },{\
-            .driver   = "vmware-svga",\
-            .property = "vgamem_mb",\
-            .value    = stringify(8),\
-        },{\
-            .driver   = "qxl-vga",\
-            .property = "vgamem_mb",\
-            .value    = stringify(8),\
-        },{\
-            .driver   = "qxl",\
-            .property = "vgamem_mb",\
-            .value    = stringify(8),\
-        },{\
-            .driver   = "virtio-blk-pci",\
-            .property = "config-wce",\
-            .value    = "off",\
-        },
-
 static void pc_i440fx_1_1_machine_options(MachineClass *m)
 {
+    static GlobalProperty compat[] = {
+        PC_CPU_MODEL_IDS("1.1.0")
+        {
+            .driver   = "virtio-scsi-pci",
+            .property = "hotplug",
+            .value    = "off",
+        },{
+            .driver   = "virtio-scsi-pci",
+            .property = "param_change",
+            .value    = "off",
+        },{
+            .driver   = "VGA",
+            .property = "vgamem_mb",
+            .value    = stringify(8),
+        },{
+            .driver   = "vmware-svga",
+            .property = "vgamem_mb",
+            .value    = stringify(8),
+        },{
+            .driver   = "qxl-vga",
+            .property = "vgamem_mb",
+            .value    = stringify(8),
+        },{
+            .driver   = "qxl",
+            .property = "vgamem_mb",
+            .value    = stringify(8),
+        },{
+            .driver   = "virtio-blk-pci",
+            .property = "config-wce",
+            .value    = "off",
+        },
+    };
+
     pc_i440fx_1_2_machine_options(m);
     m->hw_version = "1.1.0";
-    SET_MACHINE_COMPAT(m, PC_COMPAT_1_1);
+    compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat));
 }
 
 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2,
                       pc_i440fx_1_1_machine_options);
 
-
-#define PC_COMPAT_1_0 \
-        PC_CPU_MODEL_IDS("1.0") \
-        {\
-            .driver   = TYPE_ISA_FDC,\
-            .property = "check_media_rate",\
-            .value    = "off",\
-        }, {\
-            .driver   = "virtio-balloon-pci",\
-            .property = "class",\
-            .value    = stringify(PCI_CLASS_MEMORY_RAM),\
-        },{\
-            .driver   = "apic-common",\
-            .property = "vapic",\
-            .value    = "off",\
-        },{\
-            .driver   = TYPE_USB_DEVICE,\
-            .property = "full-path",\
-            .value    = "no",\
-        },
-
 static void pc_i440fx_1_0_machine_options(MachineClass *m)
 {
+    static GlobalProperty compat[] = {
+        PC_CPU_MODEL_IDS("1.0")
+        {
+            .driver   = TYPE_ISA_FDC,
+            .property = "check_media_rate",
+            .value    = "off",
+        },{
+            .driver   = "virtio-balloon-pci",
+            .property = "class",
+            .value    = stringify(PCI_CLASS_MEMORY_RAM),
+        },{
+            .driver   = "apic-common",
+            .property = "vapic",
+            .value    = "off",
+        },{
+            .driver   = TYPE_USB_DEVICE,
+            .property = "full-path",
+            .value    = "no",
+        },
+    };
+
     pc_i440fx_1_1_machine_options(m);
     m->hw_version = "1.0";
-    SET_MACHINE_COMPAT(m, PC_COMPAT_1_0);
+    compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat));
 }
 
 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2,
                       pc_i440fx_1_0_machine_options);
 
 
-#define PC_COMPAT_0_15 \
-        PC_CPU_MODEL_IDS("0.15")
-
 static void pc_i440fx_0_15_machine_options(MachineClass *m)
 {
+    static GlobalProperty compat[] = {
+        PC_CPU_MODEL_IDS("0.15")
+    };
+
     pc_i440fx_1_0_machine_options(m);
     m->hw_version = "0.15";
     m->deprecation_reason = "use a newer machine type instead";
-    SET_MACHINE_COMPAT(m, PC_COMPAT_0_15);
+    compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat));
 }
 
 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2,
                       pc_i440fx_0_15_machine_options);
 
 
-#define PC_COMPAT_0_14 \
-        PC_CPU_MODEL_IDS("0.14") \
-        {\
-            .driver   = "virtio-blk-pci",\
-            .property = "event_idx",\
-            .value    = "off",\
-        },{\
-            .driver   = "virtio-serial-pci",\
-            .property = "event_idx",\
-            .value    = "off",\
-        },{\
-            .driver   = "virtio-net-pci",\
-            .property = "event_idx",\
-            .value    = "off",\
-        },{\
-            .driver   = "virtio-balloon-pci",\
-            .property = "event_idx",\
-            .value    = "off",\
-        },{\
-            .driver   = "qxl",\
-            .property = "revision",\
-            .value    = stringify(2),\
-        },{\
-            .driver   = "qxl-vga",\
-            .property = "revision",\
-            .value    = stringify(2),\
-        },
-
 static void pc_i440fx_0_14_machine_options(MachineClass *m)
 {
+    static GlobalProperty compat[] = {
+        PC_CPU_MODEL_IDS("0.14")
+        {
+            .driver   = "virtio-blk-pci",
+            .property = "event_idx",
+            .value    = "off",
+        },{
+            .driver   = "virtio-serial-pci",
+            .property = "event_idx",
+            .value    = "off",
+        },{
+            .driver   = "virtio-net-pci",
+            .property = "event_idx",
+            .value    = "off",
+        },{
+            .driver   = "virtio-balloon-pci",
+            .property = "event_idx",
+            .value    = "off",
+        },{
+            .driver   = "qxl",
+            .property = "revision",
+            .value    = stringify(2),
+        },{
+            .driver   = "qxl-vga",
+            .property = "revision",
+            .value    = stringify(2),
+        },
+    };
+
     pc_i440fx_0_15_machine_options(m);
     m->hw_version = "0.14";
-    SET_MACHINE_COMPAT(m, PC_COMPAT_0_14);
+    compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat));
 }
 
 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2,
                       pc_i440fx_0_14_machine_options);
 
-
-#define PC_COMPAT_0_13 \
-        PC_CPU_MODEL_IDS("0.13") \
-        {\
-            .driver   = TYPE_PCI_DEVICE,\
-            .property = "command_serr_enable",\
-            .value    = "off",\
-        },{\
-            .driver   = "AC97",\
-            .property = "use_broken_id",\
-            .value    = stringify(1),\
-        },{\
-            .driver   = "virtio-9p-pci",\
-            .property = "vectors",\
-            .value    = stringify(0),\
-        },{\
-            .driver   = "VGA",\
-            .property = "rombar",\
-            .value    = stringify(0),\
-        },{\
-            .driver   = "vmware-svga",\
-            .property = "rombar",\
-            .value    = stringify(0),\
-        },
-
 static void pc_i440fx_0_13_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+    static GlobalProperty compat[] = {
+        PC_CPU_MODEL_IDS("0.13")
+        {
+            .driver   = TYPE_PCI_DEVICE,
+            .property = "command_serr_enable",
+            .value    = "off",
+        },{
+            .driver   = "AC97",
+            .property = "use_broken_id",
+            .value    = stringify(1),
+        },{
+            .driver   = "virtio-9p-pci",
+            .property = "vectors",
+            .value    = stringify(0),
+        },{
+            .driver   = "VGA",
+            .property = "rombar",
+            .value    = stringify(0),
+        },{
+            .driver   = "vmware-svga",
+            .property = "rombar",
+            .value    = stringify(0),
+        },
+    };
+
     pc_i440fx_0_14_machine_options(m);
     m->hw_version = "0.13";
-    SET_MACHINE_COMPAT(m, PC_COMPAT_0_13);
+    compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat));
     pcmc->kvmclock_enabled = false;
 }
 
 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13,
                       pc_i440fx_0_13_machine_options);
 
-
-#define PC_COMPAT_0_12 \
-        PC_CPU_MODEL_IDS("0.12") \
-        {\
-            .driver   = "virtio-serial-pci",\
-            .property = "max_ports",\
-            .value    = stringify(1),\
-        },{\
-            .driver   = "virtio-serial-pci",\
-            .property = "vectors",\
-            .value    = stringify(0),\
-        },{\
-            .driver   = "usb-mouse",\
-            .property = "serial",\
-            .value    = "1",\
-        },{\
-            .driver   = "usb-tablet",\
-            .property = "serial",\
-            .value    = "1",\
-        },{\
-            .driver   = "usb-kbd",\
-            .property = "serial",\
-            .value    = "1",\
-        },
-
 static void pc_i440fx_0_12_machine_options(MachineClass *m)
 {
+    static GlobalProperty compat[] = {
+        PC_CPU_MODEL_IDS("0.12")
+        {
+            .driver   = "virtio-serial-pci",
+            .property = "max_ports",
+            .value    = stringify(1),
+        },{
+            .driver   = "virtio-serial-pci",
+            .property = "vectors",
+            .value    = stringify(0),
+        },{
+            .driver   = "usb-mouse",
+            .property = "serial",
+            .value    = "1",
+        },{
+            .driver   = "usb-tablet",
+            .property = "serial",
+            .value    = "1",
+        },{
+            .driver   = "usb-kbd",
+            .property = "serial",
+            .value    = "1",
+        },
+    };
+
     pc_i440fx_0_13_machine_options(m);
     m->hw_version = "0.12";
-    SET_MACHINE_COMPAT(m, PC_COMPAT_0_12);
+    compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat));
 }
 
 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13,
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 0a3f3f18e4..94494e6441 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -326,7 +326,8 @@ static void pc_q35_3_1_machine_options(MachineClass *m)
     pc_q35_4_0_machine_options(m);
     m->default_kernel_irqchip_split = false;
     m->alias = NULL;
-    SET_MACHINE_COMPAT(m, PC_COMPAT_3_1);
+    compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len);
+    compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len);
 }
 
 DEFINE_Q35_MACHINE(v3_1, "pc-q35-3.1", NULL,
@@ -335,7 +336,8 @@ DEFINE_Q35_MACHINE(v3_1, "pc-q35-3.1", NULL,
 static void pc_q35_3_0_machine_options(MachineClass *m)
 {
     pc_q35_3_1_machine_options(m);
-    SET_MACHINE_COMPAT(m, PC_COMPAT_3_0);
+    compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len);
+    compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len);
 }
 
 DEFINE_Q35_MACHINE(v3_0, "pc-q35-3.0", NULL,
@@ -344,7 +346,8 @@ DEFINE_Q35_MACHINE(v3_0, "pc-q35-3.0", NULL,
 static void pc_q35_2_12_machine_options(MachineClass *m)
 {
     pc_q35_3_0_machine_options(m);
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_12);
+    compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len);
+    compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len);
 }
 
 DEFINE_Q35_MACHINE(v2_12, "pc-q35-2.12", NULL,
@@ -356,7 +359,8 @@ static void pc_q35_2_11_machine_options(MachineClass *m)
 
     pc_q35_2_12_machine_options(m);
     pcmc->default_nic_model = "e1000";
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_11);
+    compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len);
+    compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len);
 }
 
 DEFINE_Q35_MACHINE(v2_11, "pc-q35-2.11", NULL,
@@ -365,7 +369,8 @@ DEFINE_Q35_MACHINE(v2_11, "pc-q35-2.11", NULL,
 static void pc_q35_2_10_machine_options(MachineClass *m)
 {
     pc_q35_2_11_machine_options(m);
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_10);
+    compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len);
+    compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len);
     m->numa_auto_assign_ram = numa_legacy_auto_assign_ram;
     m->auto_enable_numa_with_memhp = false;
 }
@@ -376,7 +381,8 @@ DEFINE_Q35_MACHINE(v2_10, "pc-q35-2.10", NULL,
 static void pc_q35_2_9_machine_options(MachineClass *m)
 {
     pc_q35_2_10_machine_options(m);
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_9);
+    compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len);
+    compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len);
 }
 
 DEFINE_Q35_MACHINE(v2_9, "pc-q35-2.9", NULL,
@@ -385,7 +391,8 @@ DEFINE_Q35_MACHINE(v2_9, "pc-q35-2.9", NULL,
 static void pc_q35_2_8_machine_options(MachineClass *m)
 {
     pc_q35_2_9_machine_options(m);
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_8);
+    compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len);
+    compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len);
 }
 
 DEFINE_Q35_MACHINE(v2_8, "pc-q35-2.8", NULL,
@@ -395,7 +402,8 @@ static void pc_q35_2_7_machine_options(MachineClass *m)
 {
     pc_q35_2_8_machine_options(m);
     m->max_cpus = 255;
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_7);
+    compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len);
+    compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len);
 }
 
 DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL,
@@ -404,10 +412,12 @@ DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL,
 static void pc_q35_2_6_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+
     pc_q35_2_7_machine_options(m);
     pcmc->legacy_cpu_hotplug = true;
     pcmc->linuxboot_dma_enabled = false;
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_6);
+    compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len);
+    compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len);
 }
 
 DEFINE_Q35_MACHINE(v2_6, "pc-q35-2.6", NULL,
@@ -416,10 +426,12 @@ DEFINE_Q35_MACHINE(v2_6, "pc-q35-2.6", NULL,
 static void pc_q35_2_5_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+
     pc_q35_2_6_machine_options(m);
     pcmc->save_tsc_khz = false;
     m->legacy_fw_cfg_order = 1;
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_5);
+    compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len);
+    compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len);
 }
 
 DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL,
@@ -428,10 +440,12 @@ DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL,
 static void pc_q35_2_4_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+
     pc_q35_2_5_machine_options(m);
     m->hw_version = "2.4.0";
     pcmc->broken_reserved_end = true;
-    SET_MACHINE_COMPAT(m, PC_COMPAT_2_4);
+    compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len);
+    compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len);
 }
 
 DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL,
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 19a07c5c9d..5671608cea 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -70,7 +70,6 @@
 #include "hw/nmi.h"
 #include "hw/intc/intc.h"
 
-#include "hw/compat.h"
 #include "qemu/cutils.h"
 #include "hw/ppc/spapr_cpu_core.h"
 #include "hw/mem/memory-device.h"
@@ -4021,13 +4020,10 @@ DEFINE_SPAPR_MACHINE(4_0, "4.0", true);
 /*
  * pseries-3.1
  */
-#define SPAPR_COMPAT_3_1                                              \
-    HW_COMPAT_3_1
-
 static void spapr_machine_3_1_class_options(MachineClass *mc)
 {
     spapr_machine_4_0_class_options(mc);
-    SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_3_1);
+    compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len);
     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0");
 }
 
@@ -4036,15 +4032,13 @@ DEFINE_SPAPR_MACHINE(3_1, "3.1", false);
 /*
  * pseries-3.0
  */
-#define SPAPR_COMPAT_3_0                                              \
-    HW_COMPAT_3_0
 
 static void spapr_machine_3_0_class_options(MachineClass *mc)
 {
     sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
 
     spapr_machine_3_1_class_options(mc);
-    SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_3_0);
+    compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len);
 
     smc->legacy_irq_allocation = true;
     smc->irq = &spapr_irq_xics_legacy;
@@ -4055,25 +4049,25 @@ DEFINE_SPAPR_MACHINE(3_0, "3.0", false);
 /*
  * pseries-2.12
  */
-#define SPAPR_COMPAT_2_12                                              \
-    HW_COMPAT_2_12                                                     \
-    {                                                                  \
-        .driver = TYPE_POWERPC_CPU,                                    \
-        .property = "pre-3.0-migration",                               \
-        .value    = "on",                                              \
-    },                                                                 \
-    {                                                                  \
-        .driver = TYPE_SPAPR_CPU_CORE,                                 \
-        .property = "pre-3.0-migration",                               \
-        .value    = "on",                                              \
-    },
-
 static void spapr_machine_2_12_class_options(MachineClass *mc)
 {
     sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
+    static GlobalProperty compat[] = {
+        {
+            .driver = TYPE_POWERPC_CPU,
+            .property = "pre-3.0-migration",
+            .value    = "on",
+        },
+        {
+            .driver = TYPE_SPAPR_CPU_CORE,
+            .property = "pre-3.0-migration",
+            .value    = "on",
+        },
+    };
 
     spapr_machine_3_0_class_options(mc);
-    SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_12);
+    compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len);
+    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 
     /* We depend on kvm_enabled() to choose a default value for the
      * hpt-max-page-size capability. Of course we can't do it here
@@ -4100,8 +4094,6 @@ DEFINE_SPAPR_MACHINE(2_12_sxxm, "2.12-sxxm", false);
 /*
  * pseries-2.11
  */
-#define SPAPR_COMPAT_2_11                                              \
-    HW_COMPAT_2_11
 
 static void spapr_machine_2_11_class_options(MachineClass *mc)
 {
@@ -4109,7 +4101,7 @@ static void spapr_machine_2_11_class_options(MachineClass *mc)
 
     spapr_machine_2_12_class_options(mc);
     smc->default_caps.caps[SPAPR_CAP_HTM] = SPAPR_CAP_ON;
-    SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_11);
+    compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len);
 }
 
 DEFINE_SPAPR_MACHINE(2_11, "2.11", false);
@@ -4117,13 +4109,11 @@ DEFINE_SPAPR_MACHINE(2_11, "2.11", false);
 /*
  * pseries-2.10
  */
-#define SPAPR_COMPAT_2_10                                              \
-    HW_COMPAT_2_10
 
 static void spapr_machine_2_10_class_options(MachineClass *mc)
 {
     spapr_machine_2_11_class_options(mc);
-    SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_10);
+    compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len);
 }
 
 DEFINE_SPAPR_MACHINE(2_10, "2.10", false);
@@ -4131,20 +4121,21 @@ DEFINE_SPAPR_MACHINE(2_10, "2.10", false);
 /*
  * pseries-2.9
  */
-#define SPAPR_COMPAT_2_9                                               \
-    HW_COMPAT_2_9                                                      \
-    {                                                                  \
-        .driver = TYPE_POWERPC_CPU,                                    \
-        .property = "pre-2.10-migration",                              \
-        .value    = "on",                                              \
-    },                                                                 \
 
 static void spapr_machine_2_9_class_options(MachineClass *mc)
 {
     sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
+    static GlobalProperty compat[] = {
+        {
+            .driver = TYPE_POWERPC_CPU,
+            .property = "pre-2.10-migration",
+            .value    = "on",
+        },
+    };
 
     spapr_machine_2_10_class_options(mc);
-    SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_9);
+    compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len);
+    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
     mc->numa_auto_assign_ram = numa_legacy_auto_assign_ram;
     smc->pre_2_10_has_unused_icps = true;
     smc->resize_hpt_default = SPAPR_RESIZE_HPT_DISABLED;
@@ -4155,18 +4146,20 @@ DEFINE_SPAPR_MACHINE(2_9, "2.9", false);
 /*
  * pseries-2.8
  */
-#define SPAPR_COMPAT_2_8                                        \
-    HW_COMPAT_2_8                                               \
-    {                                                           \
-        .driver   = TYPE_SPAPR_PCI_HOST_BRIDGE,                 \
-        .property = "pcie-extended-configuration-space",        \
-        .value    = "off",                                      \
-    },
 
 static void spapr_machine_2_8_class_options(MachineClass *mc)
 {
+    static GlobalProperty compat[] = {
+        {
+            .driver   = TYPE_SPAPR_PCI_HOST_BRIDGE,
+            .property = "pcie-extended-configuration-space",
+            .value    = "off",
+        },
+    };
+
     spapr_machine_2_9_class_options(mc);
-    SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_8);
+    compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len);
+    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
     mc->numa_mem_align_shift = 23;
 }
 
@@ -4175,28 +4168,6 @@ DEFINE_SPAPR_MACHINE(2_8, "2.8", false);
 /*
  * pseries-2.7
  */
-#define SPAPR_COMPAT_2_7                            \
-    HW_COMPAT_2_7                                   \
-    {                                               \
-        .driver   = TYPE_SPAPR_PCI_HOST_BRIDGE,     \
-        .property = "mem_win_size",                 \
-        .value    = stringify(SPAPR_PCI_2_7_MMIO_WIN_SIZE),\
-    },                                              \
-    {                                               \
-        .driver   = TYPE_SPAPR_PCI_HOST_BRIDGE,     \
-        .property = "mem64_win_size",               \
-        .value    = "0",                            \
-    },                                              \
-    {                                               \
-        .driver = TYPE_POWERPC_CPU,                 \
-        .property = "pre-2.8-migration",            \
-        .value    = "on",                           \
-    },                                              \
-    {                                               \
-        .driver = TYPE_SPAPR_PCI_HOST_BRIDGE,       \
-        .property = "pre-2.8-migration",            \
-        .value    = "on",                           \
-    },
 
 static void phb_placement_2_7(sPAPRMachineState *spapr, uint32_t index,
                               uint64_t *buid, hwaddr *pio,
@@ -4250,11 +4221,34 @@ static void phb_placement_2_7(sPAPRMachineState *spapr, uint32_t index,
 static void spapr_machine_2_7_class_options(MachineClass *mc)
 {
     sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
+    static GlobalProperty compat[] = {
+        {
+            .driver   = TYPE_SPAPR_PCI_HOST_BRIDGE,
+            .property = "mem_win_size",
+            .value    = stringify(SPAPR_PCI_2_7_MMIO_WIN_SIZE),
+        },
+        {
+            .driver   = TYPE_SPAPR_PCI_HOST_BRIDGE,
+            .property = "mem64_win_size",
+            .value    = "0",
+        },
+        {
+            .driver = TYPE_POWERPC_CPU,
+            .property = "pre-2.8-migration",
+            .value    = "on",
+        },
+        {
+            .driver = TYPE_SPAPR_PCI_HOST_BRIDGE,
+            .property = "pre-2.8-migration",
+            .value    = "on",
+        },
+    };
 
     spapr_machine_2_8_class_options(mc);
     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power7_v2.3");
     mc->default_machine_opts = "modern-hotplug-events=off";
-    SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_7);
+    compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len);
+    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
     smc->phb_placement = phb_placement_2_7;
 }
 
@@ -4263,19 +4257,21 @@ DEFINE_SPAPR_MACHINE(2_7, "2.7", false);
 /*
  * pseries-2.6
  */
-#define SPAPR_COMPAT_2_6 \
-    HW_COMPAT_2_6 \
-    { \
-        .driver   = TYPE_SPAPR_PCI_HOST_BRIDGE,\
-        .property = "ddw",\
-        .value    = stringify(off),\
-    },
 
 static void spapr_machine_2_6_class_options(MachineClass *mc)
 {
+    static GlobalProperty compat[] = {
+        {
+            .driver   = TYPE_SPAPR_PCI_HOST_BRIDGE,
+            .property = "ddw",
+            .value    = stringify(off),
+        },
+    };
+
     spapr_machine_2_7_class_options(mc);
     mc->has_hotpluggable_cpus = false;
-    SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_6);
+    compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len);
+    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 }
 
 DEFINE_SPAPR_MACHINE(2_6, "2.6", false);
@@ -4283,21 +4279,22 @@ DEFINE_SPAPR_MACHINE(2_6, "2.6", false);
 /*
  * pseries-2.5
  */
-#define SPAPR_COMPAT_2_5 \
-    HW_COMPAT_2_5 \
-    { \
-        .driver   = "spapr-vlan", \
-        .property = "use-rx-buffer-pools", \
-        .value    = "off", \
-    },
 
 static void spapr_machine_2_5_class_options(MachineClass *mc)
 {
     sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
+    static GlobalProperty compat[] = {
+        {
+            .driver   = "spapr-vlan",
+            .property = "use-rx-buffer-pools",
+            .value    = "off",
+        },
+    };
 
     spapr_machine_2_6_class_options(mc);
     smc->use_ohci_by_default = true;
-    SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_5);
+    compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len);
+    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 }
 
 DEFINE_SPAPR_MACHINE(2_5, "2.5", false);
@@ -4305,8 +4302,6 @@ DEFINE_SPAPR_MACHINE(2_5, "2.5", false);
 /*
  * pseries-2.4
  */
-#define SPAPR_COMPAT_2_4 \
-        HW_COMPAT_2_4
 
 static void spapr_machine_2_4_class_options(MachineClass *mc)
 {
@@ -4314,7 +4309,7 @@ static void spapr_machine_2_4_class_options(MachineClass *mc)
 
     spapr_machine_2_5_class_options(mc);
     smc->dr_lmb_enabled = false;
-    SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_4);
+    compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len);
 }
 
 DEFINE_SPAPR_MACHINE(2_4, "2.4", false);
@@ -4322,18 +4317,19 @@ DEFINE_SPAPR_MACHINE(2_4, "2.4", false);
 /*
  * pseries-2.3
  */
-#define SPAPR_COMPAT_2_3 \
-        HW_COMPAT_2_3 \
-        {\
-            .driver   = "spapr-pci-host-bridge",\
-            .property = "dynamic-reconfiguration",\
-            .value    = "off",\
-        },
 
 static void spapr_machine_2_3_class_options(MachineClass *mc)
 {
+    static GlobalProperty compat[] = {
+        {
+            .driver   = "spapr-pci-host-bridge",
+            .property = "dynamic-reconfiguration",
+            .value    = "off",
+        },
+    };
     spapr_machine_2_4_class_options(mc);
-    SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_3);
+    compat_props_add(mc->compat_props, hw_compat_2_3, hw_compat_2_3_len);
+    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 }
 DEFINE_SPAPR_MACHINE(2_3, "2.3", false);
 
@@ -4341,18 +4337,19 @@ DEFINE_SPAPR_MACHINE(2_3, "2.3", false);
  * pseries-2.2
  */
 
-#define SPAPR_COMPAT_2_2 \
-        HW_COMPAT_2_2 \
-        {\
-            .driver   = TYPE_SPAPR_PCI_HOST_BRIDGE,\
-            .property = "mem_win_size",\
-            .value    = "0x20000000",\
-        },
-
 static void spapr_machine_2_2_class_options(MachineClass *mc)
 {
+    static GlobalProperty compat[] = {
+        {
+            .driver   = TYPE_SPAPR_PCI_HOST_BRIDGE,
+            .property = "mem_win_size",
+            .value    = "0x20000000",
+        },
+    };
+
     spapr_machine_2_3_class_options(mc);
-    SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_2);
+    compat_props_add(mc->compat_props, hw_compat_2_2, hw_compat_2_2_len);
+    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
     mc->default_machine_opts = "modern-hotplug-events=off,suppress-vmdesc=on";
 }
 DEFINE_SPAPR_MACHINE(2_2, "2.2", false);
@@ -4360,13 +4357,11 @@ DEFINE_SPAPR_MACHINE(2_2, "2.2", false);
 /*
  * pseries-2.1
  */
-#define SPAPR_COMPAT_2_1 \
-        HW_COMPAT_2_1
 
 static void spapr_machine_2_1_class_options(MachineClass *mc)
 {
     spapr_machine_2_2_class_options(mc);
-    SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_1);
+    compat_props_add(mc->compat_props, hw_compat_2_1, hw_compat_2_1_len);
 }
 DEFINE_SPAPR_MACHINE(2_1, "2.1", false);
 
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index fd9d0b0542..c737507053 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -28,7 +28,6 @@
 #include "hw/s390x/storage-keys.h"
 #include "hw/s390x/storage-attributes.h"
 #include "hw/s390x/event-facility.h"
-#include "hw/compat.h"
 #include "ipl.h"
 #include "hw/s390x/s390-virtio-ccw.h"
 #include "hw/s390x/css-bridge.h"
@@ -651,100 +650,6 @@ bool css_migration_enabled(void)
     }                                                                         \
     type_init(ccw_machine_register_##suffix)
 
-#define CCW_COMPAT_3_1 \
-        HW_COMPAT_3_1
-
-#define CCW_COMPAT_3_0 \
-        HW_COMPAT_3_0
-
-#define CCW_COMPAT_2_12 \
-        HW_COMPAT_2_12
-
-#define CCW_COMPAT_2_11 \
-        HW_COMPAT_2_11 \
-        {\
-            .driver   = TYPE_SCLP_EVENT_FACILITY,\
-            .property = "allow_all_mask_sizes",\
-            .value    = "off",\
-        },
-
-#define CCW_COMPAT_2_10 \
-        HW_COMPAT_2_10
-
-#define CCW_COMPAT_2_9 \
-        HW_COMPAT_2_9 \
-        {\
-            .driver   = TYPE_S390_STATTRIB,\
-            .property = "migration-enabled",\
-            .value    = "off",\
-        },
-
-#define CCW_COMPAT_2_8 \
-        HW_COMPAT_2_8 \
-        {\
-            .driver   = TYPE_S390_FLIC_COMMON,\
-            .property = "adapter_routes_max_batch",\
-            .value    = "64",\
-        },
-
-#define CCW_COMPAT_2_7 \
-        HW_COMPAT_2_7
-
-#define CCW_COMPAT_2_6 \
-        HW_COMPAT_2_6 \
-        {\
-            .driver   = TYPE_S390_IPL,\
-            .property = "iplbext_migration",\
-            .value    = "off",\
-        }, {\
-            .driver   = TYPE_VIRTUAL_CSS_BRIDGE,\
-            .property = "css_dev_path",\
-            .value    = "off",\
-        },
-
-#define CCW_COMPAT_2_5 \
-        HW_COMPAT_2_5
-
-#define CCW_COMPAT_2_4 \
-        HW_COMPAT_2_4 \
-        {\
-            .driver   = TYPE_S390_SKEYS,\
-            .property = "migration-enabled",\
-            .value    = "off",\
-        },{\
-            .driver   = "virtio-blk-ccw",\
-            .property = "max_revision",\
-            .value    = "0",\
-        },{\
-            .driver   = "virtio-balloon-ccw",\
-            .property = "max_revision",\
-            .value    = "0",\
-        },{\
-            .driver   = "virtio-serial-ccw",\
-            .property = "max_revision",\
-            .value    = "0",\
-        },{\
-            .driver   = "virtio-9p-ccw",\
-            .property = "max_revision",\
-            .value    = "0",\
-        },{\
-            .driver   = "virtio-rng-ccw",\
-            .property = "max_revision",\
-            .value    = "0",\
-        },{\
-            .driver   = "virtio-net-ccw",\
-            .property = "max_revision",\
-            .value    = "0",\
-        },{\
-            .driver   = "virtio-scsi-ccw",\
-            .property = "max_revision",\
-            .value    = "0",\
-        },{\
-            .driver   = "vhost-scsi-ccw",\
-            .property = "max_revision",\
-            .value    = "0",\
-        },
-
 static void ccw_machine_4_0_instance_options(MachineState *machine)
 {
 }
@@ -762,7 +667,7 @@ static void ccw_machine_3_1_instance_options(MachineState *machine)
 static void ccw_machine_3_1_class_options(MachineClass *mc)
 {
     ccw_machine_4_0_class_options(mc);
-    SET_MACHINE_COMPAT(mc, CCW_COMPAT_3_1);
+    compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len);
 }
 DEFINE_CCW_MACHINE(3_1, "3.1", false);
 
@@ -777,7 +682,7 @@ static void ccw_machine_3_0_class_options(MachineClass *mc)
 
     s390mc->hpage_1m_allowed = false;
     ccw_machine_3_1_class_options(mc);
-    SET_MACHINE_COMPAT(mc, CCW_COMPAT_3_0);
+    compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len);
 }
 DEFINE_CCW_MACHINE(3_0, "3.0", false);
 
@@ -791,7 +696,7 @@ static void ccw_machine_2_12_instance_options(MachineState *machine)
 static void ccw_machine_2_12_class_options(MachineClass *mc)
 {
     ccw_machine_3_0_class_options(mc);
-    SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_12);
+    compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len);
 }
 DEFINE_CCW_MACHINE(2_12, "2.12", false);
 
@@ -806,8 +711,17 @@ static void ccw_machine_2_11_instance_options(MachineState *machine)
 
 static void ccw_machine_2_11_class_options(MachineClass *mc)
 {
+    static GlobalProperty compat[] = {
+        {
+            .driver   = TYPE_SCLP_EVENT_FACILITY,
+            .property = "allow_all_mask_sizes",
+            .value    = "off",
+        },
+    };
+
     ccw_machine_2_12_class_options(mc);
-    SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_11);
+    compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len);
+    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 }
 DEFINE_CCW_MACHINE(2_11, "2.11", false);
 
@@ -819,7 +733,7 @@ static void ccw_machine_2_10_instance_options(MachineState *machine)
 static void ccw_machine_2_10_class_options(MachineClass *mc)
 {
     ccw_machine_2_11_class_options(mc);
-    SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_10);
+    compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len);
 }
 DEFINE_CCW_MACHINE(2_10, "2.10", false);
 
@@ -836,9 +750,17 @@ static void ccw_machine_2_9_instance_options(MachineState *machine)
 static void ccw_machine_2_9_class_options(MachineClass *mc)
 {
     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
+    static GlobalProperty compat[] = {
+        {
+            .driver   = TYPE_S390_STATTRIB,
+            .property = "migration-enabled",
+            .value    = "off",
+        },
+    };
 
     ccw_machine_2_10_class_options(mc);
-    SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_9);
+    compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len);
+    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
     s390mc->css_migration_enabled = false;
 }
 DEFINE_CCW_MACHINE(2_9, "2.9", false);
@@ -850,8 +772,17 @@ static void ccw_machine_2_8_instance_options(MachineState *machine)
 
 static void ccw_machine_2_8_class_options(MachineClass *mc)
 {
+    static GlobalProperty compat[] = {
+        {
+            .driver   = TYPE_S390_FLIC_COMMON,
+            .property = "adapter_routes_max_batch",
+            .value    = "64",
+        },
+    };
+
     ccw_machine_2_9_class_options(mc);
-    SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_8);
+    compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len);
+    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 }
 DEFINE_CCW_MACHINE(2_8, "2.8", false);
 
@@ -866,7 +797,7 @@ static void ccw_machine_2_7_class_options(MachineClass *mc)
 
     s390mc->cpu_model_allowed = false;
     ccw_machine_2_8_class_options(mc);
-    SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_7);
+    compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len);
 }
 DEFINE_CCW_MACHINE(2_7, "2.7", false);
 
@@ -878,10 +809,22 @@ static void ccw_machine_2_6_instance_options(MachineState *machine)
 static void ccw_machine_2_6_class_options(MachineClass *mc)
 {
     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
+    static GlobalProperty compat[] = {
+        {
+            .driver   = TYPE_S390_IPL,
+            .property = "iplbext_migration",
+            .value    = "off",
+        }, {
+            .driver   = TYPE_VIRTUAL_CSS_BRIDGE,
+            .property = "css_dev_path",
+            .value    = "off",
+        },
+    };
 
     s390mc->ri_allowed = false;
     ccw_machine_2_7_class_options(mc);
-    SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_6);
+    compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len);
+    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 }
 DEFINE_CCW_MACHINE(2_6, "2.6", false);
 
@@ -893,7 +836,7 @@ static void ccw_machine_2_5_instance_options(MachineState *machine)
 static void ccw_machine_2_5_class_options(MachineClass *mc)
 {
     ccw_machine_2_6_class_options(mc);
-    SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_5);
+    compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len);
 }
 DEFINE_CCW_MACHINE(2_5, "2.5", false);
 
@@ -904,8 +847,49 @@ static void ccw_machine_2_4_instance_options(MachineState *machine)
 
 static void ccw_machine_2_4_class_options(MachineClass *mc)
 {
+    static GlobalProperty compat[] = {
+        {
+            .driver   = TYPE_S390_SKEYS,
+            .property = "migration-enabled",
+            .value    = "off",
+        },{
+            .driver   = "virtio-blk-ccw",
+            .property = "max_revision",
+            .value    = "0",
+        },{
+            .driver   = "virtio-balloon-ccw",
+            .property = "max_revision",
+            .value    = "0",
+        },{
+            .driver   = "virtio-serial-ccw",
+            .property = "max_revision",
+            .value    = "0",
+        },{
+            .driver   = "virtio-9p-ccw",
+            .property = "max_revision",
+            .value    = "0",
+        },{
+            .driver   = "virtio-rng-ccw",
+            .property = "max_revision",
+            .value    = "0",
+        },{
+            .driver   = "virtio-net-ccw",
+            .property = "max_revision",
+            .value    = "0",
+        },{
+            .driver   = "virtio-scsi-ccw",
+            .property = "max_revision",
+            .value    = "0",
+        },{
+            .driver   = "vhost-scsi-ccw",
+            .property = "max_revision",
+            .value    = "0",
+        },
+    };
+
     ccw_machine_2_5_class_options(mc);
-    SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_4);
+    compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len);
+    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 }
 DEFINE_CCW_MACHINE(2_4, "2.4", false);
 
diff --git a/hw/xen/xen-common.c b/hw/xen/xen-common.c
index 6ec14c73ca..d51148b6b3 100644
--- a/hw/xen/xen-common.c
+++ b/hw/xen/xen-common.c
@@ -159,33 +159,34 @@ static int xen_init(MachineState *ms)
     return 0;
 }
 
-static GlobalProperty xen_compat_props[] = {
-    {
-        .driver = "migration",
-        .property = "store-global-state",
-        .value = "off",
-    },
-    {
-        .driver = "migration",
-        .property = "send-configuration",
-        .value = "off",
-    },
-    {
-        .driver = "migration",
-        .property = "send-section-footer",
-        .value = "off",
-    },
-    { /* end of list */ },
-};
-
 static void xen_accel_class_init(ObjectClass *oc, void *data)
 {
     AccelClass *ac = ACCEL_CLASS(oc);
+    static GlobalProperty compat[] = {
+        {
+            .driver = "migration",
+            .property = "store-global-state",
+            .value = "off",
+        },
+        {
+            .driver = "migration",
+            .property = "send-configuration",
+            .value = "off",
+        },
+        {
+            .driver = "migration",
+            .property = "send-section-footer",
+            .value = "off",
+        }
+    };
+
     ac->name = "Xen";
     ac->init_machine = xen_init;
     ac->setup_post = xen_setup_post;
     ac->allowed = &xen_allowed;
-    ac->global_props = xen_compat_props;
+    ac->compat_props = g_ptr_array_new();
+
+    compat_props_add(ac->compat_props, compat, G_N_ELEMENTS(compat));
 }
 
 #define TYPE_XEN_ACCEL ACCEL_CLASS_NAME("xen")
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 362384815e..02f114085f 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -69,7 +69,6 @@ int machine_kvm_shadow_mem(MachineState *machine);
 int machine_phandle_start(MachineState *machine);
 bool machine_dump_guest_core(MachineState *machine);
 bool machine_mem_merge(MachineState *machine);
-void machine_register_compat_props(MachineState *machine);
 HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine);
 void machine_set_cpu_numa_node(MachineState *machine,
                                const CpuInstanceProperties *props,
@@ -191,7 +190,7 @@ struct MachineClass {
     const char *default_machine_opts;
     const char *default_boot_order;
     const char *default_display;
-    GArray *compat_props;
+    GPtrArray *compat_props;
     const char *hw_version;
     ram_addr_t default_ram_size;
     const char *default_cpu_type;
@@ -289,20 +288,46 @@ struct MachineState {
     } \
     type_init(machine_initfn##_register_types)
 
-#define SET_MACHINE_COMPAT(m, COMPAT) \
-    do {                              \
-        int i;                        \
-        static GlobalProperty props[] = {       \
-            COMPAT                              \
-            { /* end of list */ }               \
-        };                                      \
-        if (!m->compat_props) { \
-            m->compat_props = g_array_new(false, false, sizeof(void *)); \
-        } \
-        for (i = 0; props[i].driver != NULL; i++) {    \
-            GlobalProperty *prop = &props[i];          \
-            g_array_append_val(m->compat_props, prop); \
-        }                                              \
-    } while (0)
+extern GlobalProperty hw_compat_3_1[];
+extern const size_t hw_compat_3_1_len;
+
+extern GlobalProperty hw_compat_3_0[];
+extern const size_t hw_compat_3_0_len;
+
+extern GlobalProperty hw_compat_2_12[];
+extern const size_t hw_compat_2_12_len;
+
+extern GlobalProperty hw_compat_2_11[];
+extern const size_t hw_compat_2_11_len;
+
+extern GlobalProperty hw_compat_2_10[];
+extern const size_t hw_compat_2_10_len;
+
+extern GlobalProperty hw_compat_2_9[];
+extern const size_t hw_compat_2_9_len;
+
+extern GlobalProperty hw_compat_2_8[];
+extern const size_t hw_compat_2_8_len;
+
+extern GlobalProperty hw_compat_2_7[];
+extern const size_t hw_compat_2_7_len;
+
+extern GlobalProperty hw_compat_2_6[];
+extern const size_t hw_compat_2_6_len;
+
+extern GlobalProperty hw_compat_2_5[];
+extern const size_t hw_compat_2_5_len;
+
+extern GlobalProperty hw_compat_2_4[];
+extern const size_t hw_compat_2_4_len;
+
+extern GlobalProperty hw_compat_2_3[];
+extern const size_t hw_compat_2_3_len;
+
+extern GlobalProperty hw_compat_2_2[];
+extern const size_t hw_compat_2_2_len;
+
+extern GlobalProperty hw_compat_2_1[];
+extern const size_t hw_compat_2_1_len;
 
 #endif
diff --git a/include/hw/compat.h b/include/hw/compat.h
deleted file mode 100644
index 3ca85b037c..0000000000
--- a/include/hw/compat.h
+++ /dev/null
@@ -1,299 +0,0 @@
-#ifndef HW_COMPAT_H
-#define HW_COMPAT_H
-
-#define HW_COMPAT_3_1 \
-    {\
-        .driver   = "pcie-root-port",\
-        .property = "x-speed",\
-        .value    = "2_5",\
-    },{\
-        .driver   = "pcie-root-port",\
-        .property = "x-width",\
-        .value    = "1",\
-    },
-
-#define HW_COMPAT_3_0 \
-    /* empty */
-
-#define HW_COMPAT_2_12 \
-    {\
-        .driver   = "migration",\
-        .property = "decompress-error-check",\
-        .value    = "off",\
-    },{\
-        .driver   = "hda-audio",\
-        .property = "use-timer",\
-        .value    = "false",\
-    },{\
-        .driver   = "cirrus-vga",\
-        .property = "global-vmstate",\
-        .value    = "true",\
-    },{\
-        .driver   = "VGA",\
-        .property = "global-vmstate",\
-        .value    = "true",\
-    },{\
-        .driver   = "vmware-svga",\
-        .property = "global-vmstate",\
-        .value    = "true",\
-    },{\
-        .driver   = "qxl-vga",\
-        .property = "global-vmstate",\
-        .value    = "true",\
-    },
-
-#define HW_COMPAT_2_11 \
-    {\
-        .driver   = "hpet",\
-        .property = "hpet-offset-saved",\
-        .value    = "false",\
-    },{\
-        .driver   = "virtio-blk-pci",\
-        .property = "vectors",\
-        .value    = "2",\
-    },{\
-        .driver   = "vhost-user-blk-pci",\
-        .property = "vectors",\
-        .value    = "2",\
-    },{\
-        .driver   = "e1000",\
-        .property = "migrate_tso_props",\
-        .value    = "off",\
-    },
-
-#define HW_COMPAT_2_10 \
-    {\
-        .driver   = "virtio-mouse-device",\
-        .property = "wheel-axis",\
-        .value    = "false",\
-    },{\
-        .driver   = "virtio-tablet-device",\
-        .property = "wheel-axis",\
-        .value    = "false",\
-    },
-
-#define HW_COMPAT_2_9 \
-    {\
-        .driver   = "pci-bridge",\
-        .property = "shpc",\
-        .value    = "off",\
-    },{\
-        .driver   = "intel-iommu",\
-        .property = "pt",\
-        .value    = "off",\
-    },{\
-        .driver   = "virtio-net-device",\
-        .property = "x-mtu-bypass-backend",\
-        .value    = "off",\
-    },{\
-        .driver   = "pcie-root-port",\
-        .property = "x-migrate-msix",\
-        .value    = "false",\
-    },
-
-#define HW_COMPAT_2_8 \
-    {\
-        .driver   = "fw_cfg_mem",\
-        .property = "x-file-slots",\
-        .value    = stringify(0x10),\
-    },{\
-        .driver   = "fw_cfg_io",\
-        .property = "x-file-slots",\
-        .value    = stringify(0x10),\
-    },{\
-        .driver   = "pflash_cfi01",\
-        .property = "old-multiple-chip-handling",\
-        .value    = "on",\
-    },{\
-        .driver   = "pci-bridge",\
-        .property = "shpc",\
-        .value    = "on",\
-    },{\
-        .driver   = TYPE_PCI_DEVICE,\
-        .property = "x-pcie-extcap-init",\
-        .value    = "off",\
-    },{\
-        .driver   = "virtio-pci",\
-        .property = "x-pcie-deverr-init",\
-        .value    = "off",\
-    },{\
-        .driver   = "virtio-pci",\
-        .property = "x-pcie-lnkctl-init",\
-        .value    = "off",\
-    },{\
-        .driver   = "virtio-pci",\
-        .property = "x-pcie-pm-init",\
-        .value    = "off",\
-    },{\
-        .driver   = "cirrus-vga",\
-        .property = "vgamem_mb",\
-        .value    = "8",\
-    },{\
-        .driver   = "isa-cirrus-vga",\
-        .property = "vgamem_mb",\
-        .value    = "8",\
-    },
-
-#define HW_COMPAT_2_7 \
-    {\
-        .driver   = "virtio-pci",\
-        .property = "page-per-vq",\
-        .value    = "on",\
-    },{\
-        .driver   = "virtio-serial-device",\
-        .property = "emergency-write",\
-        .value    = "off",\
-    },{\
-        .driver   = "ioapic",\
-        .property = "version",\
-        .value    = "0x11",\
-    },{\
-        .driver   = "intel-iommu",\
-        .property = "x-buggy-eim",\
-        .value    = "true",\
-    },{\
-        .driver   = "virtio-pci",\
-        .property = "x-ignore-backend-features",\
-        .value    = "on",\
-    },
-
-#define HW_COMPAT_2_6 \
-    {\
-        .driver   = "virtio-mmio",\
-        .property = "format_transport_address",\
-        .value    = "off",\
-    },{\
-        .driver   = "virtio-pci",\
-        .property = "disable-modern",\
-        .value    = "on",\
-    },{\
-        .driver   = "virtio-pci",\
-        .property = "disable-legacy",\
-        .value    = "off",\
-    },
-
-#define HW_COMPAT_2_5 \
-    {\
-        .driver   = "isa-fdc",\
-        .property = "fallback",\
-        .value    = "144",\
-    },{\
-        .driver   = "pvscsi",\
-        .property = "x-old-pci-configuration",\
-        .value    = "on",\
-    },{\
-        .driver   = "pvscsi",\
-        .property = "x-disable-pcie",\
-        .value    = "on",\
-    },\
-    {\
-        .driver   = "vmxnet3",\
-        .property = "x-old-msi-offsets",\
-        .value    = "on",\
-    },{\
-        .driver   = "vmxnet3",\
-        .property = "x-disable-pcie",\
-        .value    = "on",\
-    },
-
-#define HW_COMPAT_2_4 \
-    {\
-        .driver   = "virtio-blk-device",\
-        .property = "scsi",\
-        .value    = "true",\
-    },{\
-        .driver   = "e1000",\
-        .property = "extra_mac_registers",\
-        .value    = "off",\
-    },{\
-        .driver   = "virtio-pci",\
-        .property = "x-disable-pcie",\
-        .value    = "on",\
-    },{\
-        .driver   = "virtio-pci",\
-        .property = "migrate-extra",\
-        .value    = "off",\
-    },{\
-        .driver   = "fw_cfg_mem",\
-        .property = "dma_enabled",\
-        .value    = "off",\
-    },{\
-        .driver   = "fw_cfg_io",\
-        .property = "dma_enabled",\
-        .value    = "off",\
-    },
-
-#define HW_COMPAT_2_3 \
-    {\
-        .driver   = "virtio-blk-pci",\
-        .property = "any_layout",\
-        .value    = "off",\
-    },{\
-        .driver   = "virtio-balloon-pci",\
-        .property = "any_layout",\
-        .value    = "off",\
-    },{\
-        .driver   = "virtio-serial-pci",\
-        .property = "any_layout",\
-        .value    = "off",\
-    },{\
-        .driver   = "virtio-9p-pci",\
-        .property = "any_layout",\
-        .value    = "off",\
-    },{\
-        .driver   = "virtio-rng-pci",\
-        .property = "any_layout",\
-        .value    = "off",\
-    },{\
-        .driver   = TYPE_PCI_DEVICE,\
-        .property = "x-pcie-lnksta-dllla",\
-        .value    = "off",\
-    },{\
-        .driver   = "migration",\
-        .property = "send-configuration",\
-        .value    = "off",\
-    },{\
-        .driver   = "migration",\
-        .property = "send-section-footer",\
-        .value    = "off",\
-    },{\
-        .driver   = "migration",\
-        .property = "store-global-state",\
-        .value    = "off",\
-    },
-
-#define HW_COMPAT_2_2 \
-    /* empty */
-
-#define HW_COMPAT_2_1 \
-    {\
-        .driver   = "intel-hda",\
-        .property = "old_msi_addr",\
-        .value    = "on",\
-    },{\
-        .driver   = "VGA",\
-        .property = "qemu-extended-regs",\
-        .value    = "off",\
-    },{\
-        .driver   = "secondary-vga",\
-        .property = "qemu-extended-regs",\
-        .value    = "off",\
-    },{\
-        .driver   = "virtio-scsi-pci",\
-        .property = "any_layout",\
-        .value    = "off",\
-    },{\
-        .driver   = "usb-mouse",\
-        .property = "usb_version",\
-        .value    = stringify(1),\
-    },{\
-        .driver   = "usb-kbd",\
-        .property = "usb_version",\
-        .value    = stringify(1),\
-    },{\
-        .driver   = "virtio-pci",\
-        .property = "virtio-pci-bus-master-bug-migration",\
-        .value    = "on",\
-    },
-
-#endif /* HW_COMPAT_H */
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index c7c0c944e8..84720bede9 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -13,7 +13,6 @@
 #include "qemu/bitmap.h"
 #include "sysemu/sysemu.h"
 #include "hw/pci/pci.h"
-#include "hw/compat.h"
 #include "hw/mem/pc-dimm.h"
 #include "hw/mem/nvdimm.h"
 #include "hw/acpi/acpi_dev_interface.h"
@@ -294,171 +293,62 @@ int e820_add_entry(uint64_t, uint64_t, uint32_t);
 int e820_get_num_entries(void);
 bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
 
-#define PC_COMPAT_3_1 \
-    HW_COMPAT_3_1 \
-    {\
-        .driver   = "intel-iommu",\
-        .property = "dma-drain",\
-        .value    = "off",\
-    },
+extern GlobalProperty pc_compat_3_1[];
+extern const size_t pc_compat_3_1_len;
 
-#define PC_COMPAT_3_0 \
-    HW_COMPAT_3_0 \
-    {\
-        .driver   = TYPE_X86_CPU,\
-        .property = "x-hv-synic-kvm-only",\
-        .value    = "on",\
-    },{\
-        .driver   = "Skylake-Server" "-" TYPE_X86_CPU,\
-        .property = "pku",\
-        .value    = "off",\
-    },{\
-        .driver   = "Skylake-Server-IBRS" "-" TYPE_X86_CPU,\
-        .property = "pku",\
-        .value    = "off",\
-    },
+extern GlobalProperty pc_compat_3_0[];
+extern const size_t pc_compat_3_0_len;
 
-#define PC_COMPAT_2_12 \
-    HW_COMPAT_2_12 \
-    {\
-        .driver   = TYPE_X86_CPU,\
-        .property = "legacy-cache",\
-        .value    = "on",\
-    },{\
-        .driver   = TYPE_X86_CPU,\
-        .property = "topoext",\
-        .value    = "off",\
-    },{\
-        .driver   = "EPYC-" TYPE_X86_CPU,\
-        .property = "xlevel",\
-        .value    = stringify(0x8000000a),\
-    },{\
-        .driver   = "EPYC-IBPB-" TYPE_X86_CPU,\
-        .property = "xlevel",\
-        .value    = stringify(0x8000000a),\
-    },
+extern GlobalProperty pc_compat_2_12[];
+extern const size_t pc_compat_2_12_len;
 
-#define PC_COMPAT_2_11 \
-    HW_COMPAT_2_11 \
-    {\
-        .driver   = TYPE_X86_CPU,\
-        .property = "x-migrate-smi-count",\
-        .value    = "off",\
-    },{\
-        .driver   = "Skylake-Server" "-" TYPE_X86_CPU,\
-        .property = "clflushopt",\
-        .value    = "off",\
-    },
+extern GlobalProperty pc_compat_2_11[];
+extern const size_t pc_compat_2_11_len;
 
-#define PC_COMPAT_2_10 \
-    HW_COMPAT_2_10 \
-    {\
-        .driver   = TYPE_X86_CPU,\
-        .property = "x-hv-max-vps",\
-        .value    = "0x40",\
-    },{\
-        .driver   = "i440FX-pcihost",\
-        .property = "x-pci-hole64-fix",\
-        .value    = "off",\
-    },{\
-        .driver   = "q35-pcihost",\
-        .property = "x-pci-hole64-fix",\
-        .value    = "off",\
-    },
+extern GlobalProperty pc_compat_2_10[];
+extern const size_t pc_compat_2_10_len;
 
-#define PC_COMPAT_2_9 \
-    HW_COMPAT_2_9 \
-    {\
-        .driver   = "mch",\
-        .property = "extended-tseg-mbytes",\
-        .value    = stringify(0),\
-    },\
+extern GlobalProperty pc_compat_2_9[];
+extern const size_t pc_compat_2_9_len;
 
-#define PC_COMPAT_2_8 \
-    HW_COMPAT_2_8 \
-    {\
-        .driver   = TYPE_X86_CPU,\
-        .property = "tcg-cpuid",\
-        .value    = "off",\
-    },\
-    {\
-        .driver   = "kvmclock",\
-        .property = "x-mach-use-reliable-get-clock",\
-        .value    = "off",\
-    },\
-    {\
-        .driver   = "ICH9-LPC",\
-        .property = "x-smi-broadcast",\
-        .value    = "off",\
-    },\
-    {\
-        .driver   = TYPE_X86_CPU,\
-        .property = "vmware-cpuid-freq",\
-        .value    = "off",\
-    },\
-    {\
-        .driver   = "Haswell-" TYPE_X86_CPU,\
-        .property = "stepping",\
-        .value    = "1",\
-    },
+extern GlobalProperty pc_compat_2_8[];
+extern const size_t pc_compat_2_8_len;
 
-#define PC_COMPAT_2_7 \
-    HW_COMPAT_2_7 \
-    {\
-        .driver   = TYPE_X86_CPU,\
-        .property = "l3-cache",\
-        .value    = "off",\
-    },\
-    {\
-        .driver   = TYPE_X86_CPU,\
-        .property = "full-cpuid-auto-level",\
-        .value    = "off",\
-    },\
-    {\
-        .driver   = "Opteron_G3" "-" TYPE_X86_CPU,\
-        .property = "family",\
-        .value    = "15",\
-    },\
-    {\
-        .driver   = "Opteron_G3" "-" TYPE_X86_CPU,\
-        .property = "model",\
-        .value    = "6",\
-    },\
-    {\
-        .driver   = "Opteron_G3" "-" TYPE_X86_CPU,\
-        .property = "stepping",\
-        .value    = "1",\
-    },\
-    {\
-        .driver   = "isa-pcspk",\
-        .property = "migrate",\
-        .value    = "off",\
-    },
+extern GlobalProperty pc_compat_2_7[];
+extern const size_t pc_compat_2_7_len;
 
-#define PC_COMPAT_2_6 \
-    HW_COMPAT_2_6 \
-    {\
-        .driver   = TYPE_X86_CPU,\
-        .property = "cpuid-0xb",\
-        .value    = "off",\
-    },{\
-        .driver   = "vmxnet3",\
-        .property = "romfile",\
-        .value    = "",\
-    },\
-    {\
-        .driver = TYPE_X86_CPU,\
-        .property = "fill-mtrr-mask",\
-        .value = "off",\
-    },\
-    {\
-        .driver   = "apic-common",\
-        .property = "legacy-instance-id",\
-        .value    = "on",\
-    },
+extern GlobalProperty pc_compat_2_6[];
+extern const size_t pc_compat_2_6_len;
 
-#define PC_COMPAT_2_5 \
-    HW_COMPAT_2_5
+extern GlobalProperty pc_compat_2_5[];
+extern const size_t pc_compat_2_5_len;
+
+extern GlobalProperty pc_compat_2_4[];
+extern const size_t pc_compat_2_4_len;
+
+extern GlobalProperty pc_compat_2_3[];
+extern const size_t pc_compat_2_3_len;
+
+extern GlobalProperty pc_compat_2_2[];
+extern const size_t pc_compat_2_2_len;
+
+extern GlobalProperty pc_compat_2_1[];
+extern const size_t pc_compat_2_1_len;
+
+extern GlobalProperty pc_compat_2_0[];
+extern const size_t pc_compat_2_0_len;
+
+extern GlobalProperty pc_compat_1_7[];
+extern const size_t pc_compat_1_7_len;
+
+extern GlobalProperty pc_compat_1_6[];
+extern const size_t pc_compat_1_6_len;
+
+extern GlobalProperty pc_compat_1_5[];
+extern const size_t pc_compat_1_5_len;
+
+extern GlobalProperty pc_compat_1_4[];
+extern const size_t pc_compat_1_4_len;
 
 /* Helper for setting model-id for CPU models that changed model-id
  * depending on QEMU versions up to QEMU 2.4.
@@ -480,491 +370,6 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
         .value    = "QEMU Virtual CPU version " v,\
     },
 
-#define PC_COMPAT_2_4 \
-    HW_COMPAT_2_4 \
-    PC_CPU_MODEL_IDS("2.4.0") \
-    {\
-        .driver   = "Haswell-" TYPE_X86_CPU,\
-        .property = "abm",\
-        .value    = "off",\
-    },\
-    {\
-        .driver   = "Haswell-noTSX-" TYPE_X86_CPU,\
-        .property = "abm",\
-        .value    = "off",\
-    },\
-    {\
-        .driver   = "Broadwell-" TYPE_X86_CPU,\
-        .property = "abm",\
-        .value    = "off",\
-    },\
-    {\
-        .driver   = "Broadwell-noTSX-" TYPE_X86_CPU,\
-        .property = "abm",\
-        .value    = "off",\
-    },\
-    {\
-        .driver   = "host" "-" TYPE_X86_CPU,\
-        .property = "host-cache-info",\
-        .value    = "on",\
-    },\
-    {\
-        .driver   = TYPE_X86_CPU,\
-        .property = "check",\
-        .value    = "off",\
-    },\
-    {\
-        .driver   = "qemu64" "-" TYPE_X86_CPU,\
-        .property = "sse4a",\
-        .value    = "on",\
-    },\
-    {\
-        .driver   = "qemu64" "-" TYPE_X86_CPU,\
-        .property = "abm",\
-        .value    = "on",\
-    },\
-    {\
-        .driver   = "qemu64" "-" TYPE_X86_CPU,\
-        .property = "popcnt",\
-        .value    = "on",\
-    },\
-    {\
-        .driver   = "qemu32" "-" TYPE_X86_CPU,\
-        .property = "popcnt",\
-        .value    = "on",\
-    },{\
-        .driver   = "Opteron_G2" "-" TYPE_X86_CPU,\
-        .property = "rdtscp",\
-        .value    = "on",\
-    },{\
-        .driver   = "Opteron_G3" "-" TYPE_X86_CPU,\
-        .property = "rdtscp",\
-        .value    = "on",\
-    },{\
-        .driver   = "Opteron_G4" "-" TYPE_X86_CPU,\
-        .property = "rdtscp",\
-        .value    = "on",\
-    },{\
-        .driver   = "Opteron_G5" "-" TYPE_X86_CPU,\
-        .property = "rdtscp",\
-        .value    = "on",\
-    },
-
-
-#define PC_COMPAT_2_3 \
-    HW_COMPAT_2_3 \
-    PC_CPU_MODEL_IDS("2.3.0") \
-    {\
-        .driver   = TYPE_X86_CPU,\
-        .property = "arat",\
-        .value    = "off",\
-    },{\
-        .driver   = "qemu64" "-" TYPE_X86_CPU,\
-        .property = "min-level",\
-        .value    = stringify(4),\
-    },{\
-        .driver   = "kvm64" "-" TYPE_X86_CPU,\
-        .property = "min-level",\
-        .value    = stringify(5),\
-    },{\
-        .driver   = "pentium3" "-" TYPE_X86_CPU,\
-        .property = "min-level",\
-        .value    = stringify(2),\
-    },{\
-        .driver   = "n270" "-" TYPE_X86_CPU,\
-        .property = "min-level",\
-        .value    = stringify(5),\
-    },{\
-        .driver   = "Conroe" "-" TYPE_X86_CPU,\
-        .property = "min-level",\
-        .value    = stringify(4),\
-    },{\
-        .driver   = "Penryn" "-" TYPE_X86_CPU,\
-        .property = "min-level",\
-        .value    = stringify(4),\
-    },{\
-        .driver   = "Nehalem" "-" TYPE_X86_CPU,\
-        .property = "min-level",\
-        .value    = stringify(4),\
-    },{\
-        .driver   = "n270" "-" TYPE_X86_CPU,\
-        .property = "min-xlevel",\
-        .value    = stringify(0x8000000a),\
-    },{\
-        .driver   = "Penryn" "-" TYPE_X86_CPU,\
-        .property = "min-xlevel",\
-        .value    = stringify(0x8000000a),\
-    },{\
-        .driver   = "Conroe" "-" TYPE_X86_CPU,\
-        .property = "min-xlevel",\
-        .value    = stringify(0x8000000a),\
-    },{\
-        .driver   = "Nehalem" "-" TYPE_X86_CPU,\
-        .property = "min-xlevel",\
-        .value    = stringify(0x8000000a),\
-    },{\
-        .driver   = "Westmere" "-" TYPE_X86_CPU,\
-        .property = "min-xlevel",\
-        .value    = stringify(0x8000000a),\
-    },{\
-        .driver   = "SandyBridge" "-" TYPE_X86_CPU,\
-        .property = "min-xlevel",\
-        .value    = stringify(0x8000000a),\
-    },{\
-        .driver   = "IvyBridge" "-" TYPE_X86_CPU,\
-        .property = "min-xlevel",\
-        .value    = stringify(0x8000000a),\
-    },{\
-        .driver   = "Haswell" "-" TYPE_X86_CPU,\
-        .property = "min-xlevel",\
-        .value    = stringify(0x8000000a),\
-    },{\
-        .driver   = "Haswell-noTSX" "-" TYPE_X86_CPU,\
-        .property = "min-xlevel",\
-        .value    = stringify(0x8000000a),\
-    },{\
-        .driver   = "Broadwell" "-" TYPE_X86_CPU,\
-        .property = "min-xlevel",\
-        .value    = stringify(0x8000000a),\
-    },{\
-        .driver   = "Broadwell-noTSX" "-" TYPE_X86_CPU,\
-        .property = "min-xlevel",\
-        .value    = stringify(0x8000000a),\
-    },{\
-        .driver = TYPE_X86_CPU,\
-        .property = "kvm-no-smi-migration",\
-        .value    = "on",\
-    },
-
-#define PC_COMPAT_2_2 \
-    HW_COMPAT_2_2 \
-    PC_CPU_MODEL_IDS("2.2.0") \
-    {\
-        .driver = "kvm64" "-" TYPE_X86_CPU,\
-        .property = "vme",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "kvm32" "-" TYPE_X86_CPU,\
-        .property = "vme",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Conroe" "-" TYPE_X86_CPU,\
-        .property = "vme",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Penryn" "-" TYPE_X86_CPU,\
-        .property = "vme",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Nehalem" "-" TYPE_X86_CPU,\
-        .property = "vme",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Westmere" "-" TYPE_X86_CPU,\
-        .property = "vme",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "SandyBridge" "-" TYPE_X86_CPU,\
-        .property = "vme",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Haswell" "-" TYPE_X86_CPU,\
-        .property = "vme",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Broadwell" "-" TYPE_X86_CPU,\
-        .property = "vme",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Opteron_G1" "-" TYPE_X86_CPU,\
-        .property = "vme",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Opteron_G2" "-" TYPE_X86_CPU,\
-        .property = "vme",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Opteron_G3" "-" TYPE_X86_CPU,\
-        .property = "vme",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Opteron_G4" "-" TYPE_X86_CPU,\
-        .property = "vme",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Opteron_G5" "-" TYPE_X86_CPU,\
-        .property = "vme",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Haswell" "-" TYPE_X86_CPU,\
-        .property = "f16c",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Haswell" "-" TYPE_X86_CPU,\
-        .property = "rdrand",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Broadwell" "-" TYPE_X86_CPU,\
-        .property = "f16c",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Broadwell" "-" TYPE_X86_CPU,\
-        .property = "rdrand",\
-        .value = "off",\
-    },
-
-#define PC_COMPAT_2_1 \
-    HW_COMPAT_2_1 \
-    PC_CPU_MODEL_IDS("2.1.0") \
-    {\
-        .driver = "coreduo" "-" TYPE_X86_CPU,\
-        .property = "vmx",\
-        .value = "on",\
-    },\
-    {\
-        .driver = "core2duo" "-" TYPE_X86_CPU,\
-        .property = "vmx",\
-        .value = "on",\
-    },
-
-#define PC_COMPAT_2_0 \
-    PC_CPU_MODEL_IDS("2.0.0") \
-    {\
-        .driver   = "virtio-scsi-pci",\
-        .property = "any_layout",\
-        .value    = "off",\
-    },{\
-        .driver   = "PIIX4_PM",\
-        .property = "memory-hotplug-support",\
-        .value    = "off",\
-    },\
-    {\
-        .driver   = "apic",\
-        .property = "version",\
-        .value    = stringify(0x11),\
-    },\
-    {\
-        .driver   = "nec-usb-xhci",\
-        .property = "superspeed-ports-first",\
-        .value    = "off",\
-    },\
-    {\
-        .driver   = "nec-usb-xhci",\
-        .property = "force-pcie-endcap",\
-        .value    = "on",\
-    },\
-    {\
-        .driver   = "pci-serial",\
-        .property = "prog_if",\
-        .value    = stringify(0),\
-    },\
-    {\
-        .driver   = "pci-serial-2x",\
-        .property = "prog_if",\
-        .value    = stringify(0),\
-    },\
-    {\
-        .driver   = "pci-serial-4x",\
-        .property = "prog_if",\
-        .value    = stringify(0),\
-    },\
-    {\
-        .driver   = "virtio-net-pci",\
-        .property = "guest_announce",\
-        .value    = "off",\
-    },\
-    {\
-        .driver   = "ICH9-LPC",\
-        .property = "memory-hotplug-support",\
-        .value    = "off",\
-    },{\
-        .driver   = "xio3130-downstream",\
-        .property = COMPAT_PROP_PCP,\
-        .value    = "off",\
-    },{\
-        .driver   = "ioh3420",\
-        .property = COMPAT_PROP_PCP,\
-        .value    = "off",\
-    },
-
-#define PC_COMPAT_1_7 \
-    PC_CPU_MODEL_IDS("1.7.0") \
-    {\
-        .driver   = TYPE_USB_DEVICE,\
-        .property = "msos-desc",\
-        .value    = "no",\
-    },\
-    {\
-        .driver   = "PIIX4_PM",\
-        .property = "acpi-pci-hotplug-with-bridge-support",\
-        .value    = "off",\
-    },\
-    {\
-        .driver   = "hpet",\
-        .property = HPET_INTCAP,\
-        .value    = stringify(4),\
-    },
-
-#define PC_COMPAT_1_6 \
-    PC_CPU_MODEL_IDS("1.6.0") \
-    {\
-        .driver   = "e1000",\
-        .property = "mitigation",\
-        .value    = "off",\
-    },{\
-        .driver   = "qemu64-" TYPE_X86_CPU,\
-        .property = "model",\
-        .value    = stringify(2),\
-    },{\
-        .driver   = "qemu32-" TYPE_X86_CPU,\
-        .property = "model",\
-        .value    = stringify(3),\
-    },{\
-        .driver   = "i440FX-pcihost",\
-        .property = "short_root_bus",\
-        .value    = stringify(1),\
-    },{\
-        .driver   = "q35-pcihost",\
-        .property = "short_root_bus",\
-        .value    = stringify(1),\
-    },
-
-#define PC_COMPAT_1_5 \
-    PC_CPU_MODEL_IDS("1.5.0") \
-    {\
-        .driver   = "Conroe-" TYPE_X86_CPU,\
-        .property = "model",\
-        .value    = stringify(2),\
-    },{\
-        .driver   = "Conroe-" TYPE_X86_CPU,\
-        .property = "min-level",\
-        .value    = stringify(2),\
-    },{\
-        .driver   = "Penryn-" TYPE_X86_CPU,\
-        .property = "model",\
-        .value    = stringify(2),\
-    },{\
-        .driver   = "Penryn-" TYPE_X86_CPU,\
-        .property = "min-level",\
-        .value    = stringify(2),\
-    },{\
-        .driver   = "Nehalem-" TYPE_X86_CPU,\
-        .property = "model",\
-        .value    = stringify(2),\
-    },{\
-        .driver   = "Nehalem-" TYPE_X86_CPU,\
-        .property = "min-level",\
-        .value    = stringify(2),\
-    },{\
-        .driver   = "virtio-net-pci",\
-        .property = "any_layout",\
-        .value    = "off",\
-    },{\
-        .driver = TYPE_X86_CPU,\
-        .property = "pmu",\
-        .value = "on",\
-    },{\
-        .driver   = "i440FX-pcihost",\
-        .property = "short_root_bus",\
-        .value    = stringify(0),\
-    },{\
-        .driver   = "q35-pcihost",\
-        .property = "short_root_bus",\
-        .value    = stringify(0),\
-    },
-
-#define PC_COMPAT_1_4 \
-    PC_CPU_MODEL_IDS("1.4.0") \
-    {\
-        .driver   = "scsi-hd",\
-        .property = "discard_granularity",\
-        .value    = stringify(0),\
-    },{\
-        .driver   = "scsi-cd",\
-        .property = "discard_granularity",\
-        .value    = stringify(0),\
-    },{\
-        .driver   = "scsi-disk",\
-        .property = "discard_granularity",\
-        .value    = stringify(0),\
-    },{\
-        .driver   = "ide-hd",\
-        .property = "discard_granularity",\
-        .value    = stringify(0),\
-    },{\
-        .driver   = "ide-cd",\
-        .property = "discard_granularity",\
-        .value    = stringify(0),\
-    },{\
-        .driver   = "ide-drive",\
-        .property = "discard_granularity",\
-        .value    = stringify(0),\
-    },{\
-        .driver   = "virtio-blk-pci",\
-        .property = "discard_granularity",\
-        .value    = stringify(0),\
-    },{\
-        .driver   = "virtio-serial-pci",\
-        .property = "vectors",\
-        /* DEV_NVECTORS_UNSPECIFIED as a uint32_t string */\
-        .value    = stringify(0xFFFFFFFF),\
-    },{ \
-        .driver   = "virtio-net-pci", \
-        .property = "ctrl_guest_offloads", \
-        .value    = "off", \
-    },{\
-        .driver   = "e1000",\
-        .property = "romfile",\
-        .value    = "pxe-e1000.rom",\
-    },{\
-        .driver   = "ne2k_pci",\
-        .property = "romfile",\
-        .value    = "pxe-ne2k_pci.rom",\
-    },{\
-        .driver   = "pcnet",\
-        .property = "romfile",\
-        .value    = "pxe-pcnet.rom",\
-    },{\
-        .driver   = "rtl8139",\
-        .property = "romfile",\
-        .value    = "pxe-rtl8139.rom",\
-    },{\
-        .driver   = "virtio-net-pci",\
-        .property = "romfile",\
-        .value    = "pxe-virtio.rom",\
-    },{\
-        .driver   = "486-" TYPE_X86_CPU,\
-        .property = "model",\
-        .value    = stringify(0),\
-    },\
-    {\
-        .driver = "n270" "-" TYPE_X86_CPU,\
-        .property = "movbe",\
-        .value = "off",\
-    },\
-    {\
-        .driver = "Westmere" "-" TYPE_X86_CPU,\
-        .property = "pclmulqdq",\
-        .value = "off",\
-    },
-
 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
     { \
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index 92851e55df..bc014c1c9f 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -249,24 +249,27 @@ struct PropertyInfo {
 
 /**
  * GlobalProperty:
- * @user_provided: Set to true if property comes from user-provided config
- * (command-line or config file).
  * @used: Set to true if property was used when initializing a device.
- * @errp: Error destination, used like first argument of error_setg()
- *        in case property setting fails later. If @errp is NULL, we
- *        print warnings instead of ignoring errors silently. For
- *        hotplugged devices, errp is always ignored and warnings are
- *        printed instead.
+ *
+ * An error is fatal for non-hotplugged devices, when the global is applied.
  */
 typedef struct GlobalProperty {
     const char *driver;
     const char *property;
     const char *value;
-    bool user_provided;
     bool used;
-    Error **errp;
 } GlobalProperty;
 
+static inline void
+compat_props_add(GPtrArray *arr,
+                 GlobalProperty props[], size_t nelem)
+{
+    int i;
+    for (i = 0; i < nelem; i++) {
+        g_ptr_array_add(arr, (void *)&props[i]);
+    }
+}
+
 /*** Board API.  This should go away once we have a machine config file.  ***/
 
 DeviceState *qdev_create(BusState *bus, const char *name);
@@ -412,6 +415,8 @@ const char *qdev_fw_name(DeviceState *dev);
 
 Object *qdev_get_machine(void);
 
+void object_apply_compat_props(Object *obj);
+
 /* FIXME: make this a link<> */
 void qdev_set_parent_bus(DeviceState *dev, BusState *bus);
 
diff --git a/include/qom/object.h b/include/qom/object.h
index bcae3f4951..e0262962b5 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -675,6 +675,9 @@ Object *object_new_with_propv(const char *typename,
                               Error **errp,
                               va_list vargs);
 
+void object_apply_global_props(Object *obj, const GPtrArray *props,
+                               Error **errp);
+
 /**
  * object_set_props:
  * @obj: the object instance to set properties on
diff --git a/include/sysemu/accel.h b/include/sysemu/accel.h
index 637358f430..f331d128e9 100644
--- a/include/sysemu/accel.h
+++ b/include/sysemu/accel.h
@@ -49,7 +49,7 @@ typedef struct AccelClass {
      * global properties may be overridden by machine-type
      * compat_props or user-provided global properties.
      */
-    GlobalProperty *global_props;
+    GPtrArray *compat_props;
 } AccelClass;
 
 #define TYPE_ACCEL "accel"
@@ -67,8 +67,6 @@ typedef struct AccelClass {
 extern unsigned long tcg_tb_size;
 
 void configure_accelerator(MachineState *ms);
-/* Register accelerator specific global properties */
-void accel_register_compat_props(AccelState *accel);
 /* Called just before os_setup_post (ie just before drop OS privs) */
 void accel_setup_post(MachineState *ms);
 
diff --git a/include/sysemu/hostmem.h b/include/sysemu/hostmem.h
index 6e6bd2c1cb..a023b372a4 100644
--- a/include/sysemu/hostmem.h
+++ b/include/sysemu/hostmem.h
@@ -53,7 +53,7 @@ struct HostMemoryBackend {
 
     /* protected */
     uint64_t size;
-    bool merge, dump;
+    bool merge, dump, use_canonical_path;
     bool prealloc, force_prealloc, is_mapped, share;
     DECLARE_BITMAP(host_nodes, MAX_NODES + 1);
     HostMemPolicy policy;
@@ -67,5 +67,6 @@ MemoryRegion *host_memory_backend_get_memory(HostMemoryBackend *backend);
 void host_memory_backend_set_mapped(HostMemoryBackend *backend, bool mapped);
 bool host_memory_backend_is_mapped(HostMemoryBackend *backend);
 size_t host_memory_backend_pagesize(HostMemoryBackend *memdev);
+char *host_memory_backend_get_name(HostMemoryBackend *backend);
 
 #endif
diff --git a/qom/cpu.c b/qom/cpu.c
index 9ad1372d57..5442a7323b 100644
--- a/qom/cpu.c
+++ b/qom/cpu.c
@@ -312,7 +312,6 @@ static void cpu_common_parse_features(const char *typename, char *features,
             prop->driver = typename;
             prop->property = g_strdup(featurestr);
             prop->value = g_strdup(val);
-            prop->errp = &error_fatal;
             qdev_prop_register_global(prop);
         } else {
             error_setg(errp, "Expected key=value format, found %s.",
diff --git a/qom/object.c b/qom/object.c
index 17921c0a71..aa6f3a2a71 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -370,6 +370,41 @@ static void object_post_init_with_type(Object *obj, TypeImpl *ti)
     }
 }
 
+void object_apply_global_props(Object *obj, const GPtrArray *props, Error **errp)
+{
+    Error *err = NULL;
+    int i;
+
+    if (!props) {
+        return;
+    }
+
+    for (i = 0; i < props->len; i++) {
+        GlobalProperty *p = g_ptr_array_index(props, i);
+
+        if (object_dynamic_cast(obj, p->driver) == NULL) {
+            continue;
+        }
+        p->used = true;
+        object_property_parse(obj, p->value, p->property, &err);
+        if (err != NULL) {
+            error_prepend(&err, "can't apply global %s.%s=%s: ",
+                          p->driver, p->property, p->value);
+            /*
+             * If errp != NULL, propagate error and return.
+             * If errp == NULL, report a warning, but keep going
+             * with the remaining globals.
+             */
+            if (errp) {
+                error_propagate(errp, err);
+                return;
+            } else {
+                warn_report_err(err);
+            }
+        }
+    }
+}
+
 static void object_initialize_with_type(void *data, size_t size, TypeImpl *type)
 {
     Object *obj = data;
diff --git a/target/arm/cpu-qom.h b/target/arm/cpu-qom.h
index d135ff8e06..2049fa9612 100644
--- a/target/arm/cpu-qom.h
+++ b/target/arm/cpu-qom.h
@@ -35,6 +35,8 @@ struct arm_boot_info;
 
 #define TYPE_ARM_MAX_CPU "max-" TYPE_ARM_CPU
 
+typedef struct ARMCPUInfo ARMCPUInfo;
+
 /**
  * ARMCPUClass:
  * @parent_realize: The parent class' realize handler.
@@ -47,6 +49,7 @@ typedef struct ARMCPUClass {
     CPUClass parent_class;
     /*< public >*/
 
+    const ARMCPUInfo *info;
     DeviceRealize parent_realize;
     void (*parent_reset)(CPUState *cpu);
 } ARMCPUClass;
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index c8505eaaee..4c4e9e169e 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -740,7 +740,7 @@ static Property arm_cpu_pmsav7_dregion_property =
 static Property arm_cpu_initsvtor_property =
             DEFINE_PROP_UINT32("init-svtor", ARMCPU, init_svtor, 0);
 
-static void arm_cpu_post_init(Object *obj)
+void arm_cpu_post_init(Object *obj)
 {
     ARMCPU *cpu = ARM_CPU(obj);
 
@@ -1457,8 +1457,10 @@ static void cortex_m33_initfn(Object *obj)
 
 static void arm_v7m_class_init(ObjectClass *oc, void *data)
 {
+    ARMCPUClass *acc = ARM_CPU_CLASS(oc);
     CPUClass *cc = CPU_CLASS(oc);
 
+    acc->info = data;
 #ifndef CONFIG_USER_ONLY
     cc->do_interrupt = arm_v7m_cpu_do_interrupt;
 #endif
@@ -1959,11 +1961,11 @@ static void arm_max_initfn(Object *obj)
 
 #endif /* !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64) */
 
-typedef struct ARMCPUInfo {
+struct ARMCPUInfo {
     const char *name;
     void (*initfn)(Object *obj);
     void (*class_init)(ObjectClass *oc, void *data);
-} ARMCPUInfo;
+};
 
 static const ARMCPUInfo arm_cpus[] = {
 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)
@@ -2113,6 +2115,7 @@ static void arm_host_initfn(Object *obj)
     ARMCPU *cpu = ARM_CPU(obj);
 
     kvm_arm_set_cpu_features_from_host(cpu);
+    arm_cpu_post_init(obj);
 }
 
 static const TypeInfo host_arm_cpu_type_info = {
@@ -2127,14 +2130,30 @@ static const TypeInfo host_arm_cpu_type_info = {
 
 #endif
 
+static void arm_cpu_instance_init(Object *obj)
+{
+    ARMCPUClass *acc = ARM_CPU_GET_CLASS(obj);
+
+    acc->info->initfn(obj);
+    arm_cpu_post_init(obj);
+}
+
+static void cpu_register_class_init(ObjectClass *oc, void *data)
+{
+    ARMCPUClass *acc = ARM_CPU_CLASS(oc);
+
+    acc->info = data;
+}
+
 static void cpu_register(const ARMCPUInfo *info)
 {
     TypeInfo type_info = {
         .parent = TYPE_ARM_CPU,
         .instance_size = sizeof(ARMCPU),
-        .instance_init = info->initfn,
+        .instance_init = arm_cpu_instance_init,
         .class_size = sizeof(ARMCPUClass),
-        .class_init = info->class_init,
+        .class_init = info->class_init ?: cpu_register_class_init,
+        .class_data = (void *)info,
     };
 
     type_info.name = g_strdup_printf("%s-" TYPE_ARM_CPU, info->name);
@@ -2147,7 +2166,6 @@ static const TypeInfo arm_cpu_type_info = {
     .parent = TYPE_CPU,
     .instance_size = sizeof(ARMCPU),
     .instance_init = arm_cpu_initfn,
-    .instance_post_init = arm_cpu_post_init,
     .instance_finalize = arm_cpu_finalizefn,
     .abstract = true,
     .class_size = sizeof(ARMCPUClass),
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index fba1c578d3..6f606eb97b 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -884,6 +884,8 @@ static inline ARMCPU *arm_env_get_cpu(CPUARMState *env)
     return container_of(env, ARMCPU, env);
 }
 
+void arm_cpu_post_init(Object *obj);
+
 uint64_t arm_cpu_mp_affinity(int idx, uint8_t clustersz);
 
 #define ENV_GET_CPU(e) CPU(arm_env_get_cpu(e))
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 1d57be0c91..4b544a1c58 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -364,11 +364,11 @@ static void aarch64_max_initfn(Object *obj)
     }
 }
 
-typedef struct ARMCPUInfo {
+struct ARMCPUInfo {
     const char *name;
     void (*initfn)(Object *obj);
     void (*class_init)(ObjectClass *oc, void *data);
-} ARMCPUInfo;
+};
 
 static const ARMCPUInfo aarch64_cpus[] = {
     { .name = "cortex-a57",         .initfn = aarch64_a57_initfn },
@@ -452,14 +452,30 @@ static void aarch64_cpu_class_init(ObjectClass *oc, void *data)
     cc->gdb_arch_name = aarch64_gdb_arch_name;
 }
 
+static void aarch64_cpu_instance_init(Object *obj)
+{
+    ARMCPUClass *acc = ARM_CPU_GET_CLASS(obj);
+
+    acc->info->initfn(obj);
+    arm_cpu_post_init(obj);
+}
+
+static void cpu_register_class_init(ObjectClass *oc, void *data)
+{
+    ARMCPUClass *acc = ARM_CPU_CLASS(oc);
+
+    acc->info = data;
+}
+
 static void aarch64_cpu_register(const ARMCPUInfo *info)
 {
     TypeInfo type_info = {
         .parent = TYPE_AARCH64_CPU,
         .instance_size = sizeof(ARMCPU),
-        .instance_init = info->initfn,
+        .instance_init = aarch64_cpu_instance_init,
         .class_size = sizeof(ARMCPUClass),
-        .class_init = info->class_init,
+        .class_init = info->class_init ?: cpu_register_class_init,
+        .class_data = (void *)info,
     };
 
     type_info.name = g_strdup_printf("%s-" TYPE_ARM_CPU, info->name);
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 677a3bd5fb..fa37203d89 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -3568,7 +3568,6 @@ static void x86_cpu_parse_featurestr(const char *typename, char *features,
         prop->driver = typename;
         prop->property = g_strdup(name);
         prop->value = g_strdup(val);
-        prop->errp = &error_fatal;
         qdev_prop_register_global(prop);
     }
 
diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c
index 0f090ece54..4a4445bdf5 100644
--- a/target/sparc/cpu.c
+++ b/target/sparc/cpu.c
@@ -111,7 +111,6 @@ cpu_add_feat_as_prop(const char *typename, const char *name, const char *val)
     prop->driver = typename;
     prop->property = g_strdup(name);
     prop->value = g_strdup(val);
-    prop->errp = &error_fatal;
     qdev_prop_register_global(prop);
 }
 
diff --git a/tests/test-qdev-global-props.c b/tests/test-qdev-global-props.c
index b1eb505442..60231b1372 100644
--- a/tests/test-qdev-global-props.c
+++ b/tests/test-qdev-global-props.c
@@ -216,12 +216,12 @@ static void test_dynamic_globalprop_subprocess(void)
 {
     MyType *mt;
     static GlobalProperty props[] = {
-        { TYPE_DYNAMIC_PROPS, "prop1", "101", true },
-        { TYPE_DYNAMIC_PROPS, "prop2", "102", true },
-        { TYPE_DYNAMIC_PROPS"-bad", "prop3", "103", true },
-        { TYPE_UNUSED_HOTPLUG, "prop4", "104", true },
-        { TYPE_UNUSED_NOHOTPLUG, "prop5", "105", true },
-        { TYPE_NONDEVICE, "prop6", "106", true },
+        { TYPE_DYNAMIC_PROPS, "prop1", "101", },
+        { TYPE_DYNAMIC_PROPS, "prop2", "102", },
+        { TYPE_DYNAMIC_PROPS"-bad", "prop3", "103", },
+        { TYPE_UNUSED_HOTPLUG, "prop4", "104", },
+        { TYPE_UNUSED_NOHOTPLUG, "prop5", "105", },
+        { TYPE_NONDEVICE, "prop6", "106", },
         {}
     };
     int global_error;
@@ -256,46 +256,6 @@ static void test_dynamic_globalprop(void)
     g_test_trap_assert_stdout("");
 }
 
-/* Test setting of dynamic properties using user_provided=false properties */
-static void test_dynamic_globalprop_nouser_subprocess(void)
-{
-    MyType *mt;
-    static GlobalProperty props[] = {
-        { TYPE_DYNAMIC_PROPS, "prop1", "101" },
-        { TYPE_DYNAMIC_PROPS, "prop2", "102" },
-        { TYPE_DYNAMIC_PROPS"-bad", "prop3", "103" },
-        { TYPE_UNUSED_HOTPLUG, "prop4", "104" },
-        { TYPE_UNUSED_NOHOTPLUG, "prop5", "105" },
-        { TYPE_NONDEVICE, "prop6", "106" },
-        {}
-    };
-    int global_error;
-
-    register_global_properties(props);
-
-    mt = DYNAMIC_TYPE(object_new(TYPE_DYNAMIC_PROPS));
-    qdev_init_nofail(DEVICE(mt));
-
-    g_assert_cmpuint(mt->prop1, ==, 101);
-    g_assert_cmpuint(mt->prop2, ==, 102);
-    global_error = qdev_prop_check_globals();
-    g_assert_cmpuint(global_error, ==, 0);
-    g_assert(props[0].used);
-    g_assert(props[1].used);
-    g_assert(!props[2].used);
-    g_assert(!props[3].used);
-    g_assert(!props[4].used);
-    g_assert(!props[5].used);
-}
-
-static void test_dynamic_globalprop_nouser(void)
-{
-    g_test_trap_subprocess("/qdev/properties/dynamic/global/nouser/subprocess", 0, 0);
-    g_test_trap_assert_passed();
-    g_test_trap_assert_stderr("");
-    g_test_trap_assert_stdout("");
-}
-
 /* Test if global props affecting subclasses are applied in the right order */
 static void test_subclass_global_props(void)
 {
@@ -345,11 +305,6 @@ int main(int argc, char **argv)
     g_test_add_func("/qdev/properties/dynamic/global",
                     test_dynamic_globalprop);
 
-    g_test_add_func("/qdev/properties/dynamic/global/nouser/subprocess",
-                    test_dynamic_globalprop_nouser_subprocess);
-    g_test_add_func("/qdev/properties/dynamic/global/nouser",
-                    test_dynamic_globalprop_nouser);
-
     g_test_add_func("/qdev/properties/global/subclass",
                     test_subclass_global_props);
 
diff --git a/vl.c b/vl.c
index 0db5ad0246..064872cc98 100644
--- a/vl.c
+++ b/vl.c
@@ -2964,8 +2964,6 @@ static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
     g->driver   = qemu_opt_get(opts, "driver");
     g->property = qemu_opt_get(opts, "property");
     g->value    = qemu_opt_get(opts, "value");
-    g->user_provided = true;
-    g->errp = &error_fatal;
     qdev_prop_register_global(g);
     return 0;
 }
@@ -2996,8 +2994,6 @@ static void user_register_global_props(void)
  */
 static void register_global_properties(MachineState *ms)
 {
-    accel_register_compat_props(ms->accelerator);
-    machine_register_compat_props(ms);
     user_register_global_props();
 }