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-rw-r--r--hw/9pfs/virtio-9p-local.c1
-rw-r--r--hw/9pfs/virtio-9p-synth.c2
-rw-r--r--hw/9pfs/virtio-9p.c5
-rw-r--r--hw/acpi/pcihp.c18
-rw-r--r--hw/arm/highbank.c1
-rw-r--r--hw/arm/musicpal.c8
-rw-r--r--hw/arm/omap1.c4
-rw-r--r--hw/arm/pxa2xx.c27
-rw-r--r--hw/arm/pxa2xx_gpio.c3
-rw-r--r--hw/arm/pxa2xx_pic.c1
-rw-r--r--hw/arm/spitz.c12
-rw-r--r--hw/arm/stellaris.c25
-rw-r--r--hw/arm/strongarm.c6
-rw-r--r--hw/arm/virt.c93
-rw-r--r--hw/arm/z2.c2
-rw-r--r--hw/audio/adlib.c6
-rw-r--r--hw/audio/hda-codec.c3
-rw-r--r--hw/audio/lm4549.c5
-rw-r--r--hw/audio/marvell_88w8618.c1
-rw-r--r--hw/audio/milkymist-ac97.c3
-rw-r--r--hw/audio/pl041.c9
-rw-r--r--hw/audio/wm8750.c3
-rw-r--r--hw/block/ecc.c3
-rw-r--r--hw/block/m25p80.c1
-rw-r--r--hw/block/nand.c3
-rw-r--r--hw/block/onenand.c1
-rw-r--r--hw/block/xen_blkif.h12
-rw-r--r--hw/block/xen_disk.c33
-rw-r--r--hw/char/cadence_uart.c1
-rw-r--r--hw/char/digic-uart.c1
-rw-r--r--hw/char/exynos4210_uart.c2
-rw-r--r--hw/char/imx_serial.c1
-rw-r--r--hw/char/ipoctal232.c9
-rw-r--r--hw/char/lm32_juart.c3
-rw-r--r--hw/char/lm32_uart.c3
-rw-r--r--hw/char/milkymist-uart.c3
-rw-r--r--hw/char/pl011.c3
-rw-r--r--hw/char/sclpconsole-lm.c3
-rw-r--r--hw/char/sclpconsole.c3
-rw-r--r--hw/core/ptimer.c3
-rw-r--r--hw/core/qdev-properties-system.c10
-rw-r--r--hw/core/qdev-properties.c20
-rw-r--r--hw/core/qdev.c24
-rw-r--r--hw/display/ads7846.c3
-rw-r--r--hw/display/cg3.c2
-rw-r--r--hw/display/cirrus_vga.c4
-rw-r--r--hw/display/exynos4210_fimd.c4
-rw-r--r--hw/display/g364fb.c1
-rw-r--r--hw/display/jazz_led.c1
-rw-r--r--hw/display/milkymist-tmu2.c3
-rw-r--r--hw/display/milkymist-vgafb.c3
-rw-r--r--hw/display/pxa2xx_lcd.c6
-rw-r--r--hw/display/qxl.c9
-rw-r--r--hw/display/qxl.h1
-rw-r--r--hw/display/ssd0303.c3
-rw-r--r--hw/display/ssd0323.c24
-rw-r--r--hw/display/tcx.c3
-rw-r--r--hw/display/vga-isa-mm.c2
-rw-r--r--hw/display/vga-isa.c2
-rw-r--r--hw/display/vga-pci.c63
-rw-r--r--hw/display/vga.c20
-rw-r--r--hw/display/vga_int.h4
-rw-r--r--hw/display/vmware_vga.c2
-rw-r--r--hw/dma/i82374.c7
-rw-r--r--hw/dma/omap_dma.c12
-rw-r--r--hw/dma/pl330.c5
-rw-r--r--hw/dma/pxa2xx_dma.c2
-rw-r--r--hw/dma/sparc32_dma.c3
-rw-r--r--hw/dma/sun4m_iommu.c3
-rw-r--r--hw/dma/xilinx_axidma.c16
-rw-r--r--hw/gpio/max7310.c3
-rw-r--r--hw/gpio/zaurus.c13
-rw-r--r--hw/i2c/core.c6
-rw-r--r--hw/i2c/pm_smbus.c63
-rw-r--r--hw/i2c/smbus.c68
-rw-r--r--hw/i2c/smbus_ich9.c1
-rw-r--r--hw/i386/Makefile.objs2
-rw-r--r--hw/i386/acpi-build.c13
-rw-r--r--hw/i386/kvm/pci-assign.c286
-rw-r--r--hw/i386/kvmvapic.c31
-rw-r--r--hw/i386/pc.c42
-rw-r--r--hw/i386/pc_piix.c48
-rw-r--r--hw/i386/pc_q35.c42
-rw-r--r--hw/i386/smbios.c789
-rw-r--r--hw/i386/xen/Makefile.objs1
-rw-r--r--hw/i386/xen/xen_apic.c (renamed from hw/xen/xen_apic.c)0
-rw-r--r--hw/i386/xen/xen_platform.c (renamed from hw/xen/xen_platform.c)0
-rw-r--r--hw/i386/xen/xen_pvdevice.c (renamed from hw/xen/xen_pvdevice.c)0
-rw-r--r--hw/ide/ahci.c2
-rw-r--r--hw/ide/core.c16
-rw-r--r--hw/ide/macio.c3
-rw-r--r--hw/ide/microdrive.c3
-rw-r--r--hw/ide/mmio.c3
-rw-r--r--hw/input/adb.c6
-rw-r--r--hw/input/lm832x.c3
-rw-r--r--hw/input/milkymist-softusb.c3
-rw-r--r--hw/input/pxa2xx_keypad.c3
-rw-r--r--hw/input/stellaris_input.c6
-rw-r--r--hw/input/tsc210x.c12
-rw-r--r--hw/intc/allwinner-a10-pic.c2
-rw-r--r--hw/intc/apic.c6
-rw-r--r--hw/intc/apic_common.c3
-rw-r--r--hw/intc/arm_gic.c6
-rw-r--r--hw/intc/arm_gic_kvm.c6
-rw-r--r--hw/intc/armv7m_nvic.c11
-rw-r--r--hw/intc/exynos4210_combiner.c2
-rw-r--r--hw/intc/exynos4210_gic.c1
-rw-r--r--hw/intc/i8259.c7
-rw-r--r--hw/intc/imx_avic.c1
-rw-r--r--hw/intc/lm32_pic.c3
-rw-r--r--hw/intc/openpic.c16
-rw-r--r--hw/intc/openpic_kvm.c8
-rw-r--r--hw/intc/slavio_intctl.c6
-rw-r--r--hw/intc/xics_kvm.c8
-rw-r--r--hw/intc/xilinx_intc.c3
-rw-r--r--hw/ipack/ipack.c3
-rw-r--r--hw/ipack/tpci200.c3
-rw-r--r--hw/isa/isa-bus.c11
-rw-r--r--hw/microblaze/boot.c14
-rw-r--r--hw/mips/mips_fulong2e.c2
-rw-r--r--hw/misc/eccmemctl.c3
-rw-r--r--hw/misc/exynos4210_pmu.c2
-rw-r--r--hw/misc/imx_ccm.c1
-rw-r--r--hw/misc/ivshmem.c4
-rw-r--r--hw/misc/lm32_sys.c3
-rw-r--r--hw/misc/macio/cuda.c6
-rw-r--r--hw/misc/macio/mac_dbdma.c6
-rw-r--r--hw/misc/max111x.c3
-rw-r--r--hw/misc/milkymist-hpdmc.c3
-rw-r--r--hw/misc/milkymist-pfpu.c3
-rw-r--r--hw/misc/mst_fpga.c11
-rw-r--r--hw/misc/omap_gpmc.c4
-rw-r--r--hw/misc/slavio_misc.c3
-rw-r--r--hw/misc/tmp105.c9
-rw-r--r--hw/misc/zynq_slcr.c3
-rw-r--r--hw/net/cadence_gem.c13
-rw-r--r--hw/net/lance.c3
-rw-r--r--hw/net/milkymist-minimac2.c6
-rw-r--r--hw/net/mipsnet.c3
-rw-r--r--hw/net/pcnet.c1
-rw-r--r--hw/net/smc91c111.c2
-rw-r--r--hw/net/stellaris_enet.c312
-rw-r--r--hw/net/virtio-net.c20
-rw-r--r--hw/net/vmxnet3.c6
-rw-r--r--hw/net/xgmac.c4
-rw-r--r--hw/net/xilinx_axienet.c21
-rw-r--r--hw/nvram/ds1225y.c1
-rw-r--r--hw/nvram/mac_nvram.c3
-rw-r--r--hw/pci-host/bonito.c3
-rw-r--r--hw/pci/pci.c36
-rw-r--r--hw/pci/pcie_aer.c10
-rw-r--r--hw/ppc/prep.c7
-rw-r--r--hw/ppc/spapr.c26
-rw-r--r--hw/ppc/spapr_iommu.c2
-rw-r--r--hw/ppc/spapr_rtas.c2
-rw-r--r--hw/s390x/css.c21
-rw-r--r--hw/s390x/css.h1
-rw-r--r--hw/s390x/event-facility.c5
-rw-r--r--hw/s390x/sclpquiesce.c3
-rw-r--r--hw/s390x/virtio-ccw.c1
-rw-r--r--hw/scsi/esp-pci.c1
-rw-r--r--hw/scsi/esp.c4
-rw-r--r--hw/scsi/scsi-bus.c2
-rw-r--r--hw/scsi/virtio-scsi.c9
-rw-r--r--hw/sd/milkymist-memcard.c3
-rw-r--r--hw/sd/sdhci.c2
-rw-r--r--hw/sd/ssi-sd.c9
-rw-r--r--hw/ssi/pl022.c17
-rw-r--r--hw/ssi/ssi.c3
-rw-r--r--hw/ssi/xilinx_spi.c1
-rw-r--r--hw/ssi/xilinx_spips.c1
-rw-r--r--hw/timer/allwinner-a10-pit.c1
-rw-r--r--hw/timer/arm_timer.c6
-rw-r--r--hw/timer/cadence_ttc.c2
-rw-r--r--hw/timer/digic-timer.c1
-rw-r--r--hw/timer/ds1338.c1
-rw-r--r--hw/timer/exynos4210_mct.c10
-rw-r--r--hw/timer/exynos4210_pwm.c2
-rw-r--r--hw/timer/exynos4210_rtc.c1
-rw-r--r--hw/timer/hpet.c13
-rw-r--r--hw/timer/i8254.c4
-rw-r--r--hw/timer/imx_epit.c3
-rw-r--r--hw/timer/imx_gpt.c3
-rw-r--r--hw/timer/lm32_timer.c3
-rw-r--r--hw/timer/milkymist-sysctl.c3
-rw-r--r--hw/timer/pxa2xx_timer.c3
-rw-r--r--hw/timer/slavio_timer.c6
-rw-r--r--hw/timer/twl92230.c6
-rw-r--r--hw/timer/xilinx_timer.c2
-rw-r--r--hw/usb/Makefile.objs1
-rw-r--r--hw/usb/bus.c8
-rw-r--r--hw/usb/dev-hid.c4
-rw-r--r--hw/usb/dev-hub.c4
-rw-r--r--hw/usb/dev-mtp.c35
-rw-r--r--hw/usb/dev-storage.c2
-rw-r--r--hw/usb/hcd-ehci-pci.c2
-rw-r--r--hw/usb/hcd-ehci-sysbus.c2
-rw-r--r--hw/usb/hcd-ehci.c2
-rw-r--r--hw/usb/hcd-ohci.c119
-rw-r--r--hw/usb/hcd-uhci.c6
-rw-r--r--hw/virtio/virtio-balloon.c6
-rw-r--r--hw/virtio/virtio.c25
-rw-r--r--hw/watchdog/wdt_ib700.c7
-rw-r--r--hw/xen/Makefile.objs1
-rw-r--r--hw/xen/xen_backend.c1
-rw-r--r--hw/xen/xen_pt_config_init.c6
-rw-r--r--hw/xen/xen_pt_msi.c6
-rw-r--r--hw/xenpv/Makefile.objs2
-rw-r--r--hw/xenpv/xen_domainbuild.c (renamed from hw/i386/xen_domainbuild.c)0
-rw-r--r--hw/xenpv/xen_domainbuild.h (renamed from hw/i386/xen_domainbuild.h)0
-rw-r--r--hw/xenpv/xen_machine_pv.c (renamed from hw/i386/xen_machine_pv.c)0
211 files changed, 2163 insertions, 952 deletions
diff --git a/hw/9pfs/virtio-9p-local.c b/hw/9pfs/virtio-9p-local.c
index 56b302c122..3b0b6a9b1d 100644
--- a/hw/9pfs/virtio-9p-local.c
+++ b/hw/9pfs/virtio-9p-local.c
@@ -14,6 +14,7 @@
 #include "hw/virtio/virtio.h"
 #include "virtio-9p.h"
 #include "virtio-9p-xattr.h"
+#include "fsdev/qemu-fsdev.h"   /* local_ops */
 #include <arpa/inet.h>
 #include <pwd.h>
 #include <grp.h>
diff --git a/hw/9pfs/virtio-9p-synth.c b/hw/9pfs/virtio-9p-synth.c
index 840e4ebb5a..71262bccd2 100644
--- a/hw/9pfs/virtio-9p-synth.c
+++ b/hw/9pfs/virtio-9p-synth.c
@@ -21,7 +21,7 @@
 #include <sys/stat.h>
 
 /* Root node for synth file system */
-V9fsSynthNode v9fs_synth_root = {
+static V9fsSynthNode v9fs_synth_root = {
     .name = "/",
     .actual_attr = {
         .mode = 0555 | S_IFDIR,
diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c
index 83e4e93983..9aa6725f09 100644
--- a/hw/9pfs/virtio-9p.c
+++ b/hw/9pfs/virtio-9p.c
@@ -987,8 +987,9 @@ static void v9fs_attach(void *opaque)
      */
     if (!s->migration_blocker) {
         s->root_fid = fid;
-        error_set(&s->migration_blocker, QERR_VIRTFS_FEATURE_BLOCKS_MIGRATION,
-                  s->ctx.fs_root ? s->ctx.fs_root : "NULL", s->tag);
+        error_setg(&s->migration_blocker,
+                   "Migration is disabled when VirtFS export path '%s' is mounted in the guest using mount_tag '%s'",
+                   s->ctx.fs_root ? s->ctx.fs_root : "NULL", s->tag);
         migrate_add_blocker(s->migration_blocker);
     }
 out:
diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c
index f80c48008c..3b143b371b 100644
--- a/hw/acpi/pcihp.c
+++ b/hw/acpi/pcihp.c
@@ -63,16 +63,18 @@ typedef struct AcpiPciHpFind {
 
 static int acpi_pcihp_get_bsel(PCIBus *bus)
 {
-    QObject *o = object_property_get_qobject(OBJECT(bus),
-                                             ACPI_PCIHP_PROP_BSEL, NULL);
-    int64_t bsel = -1;
-    if (o) {
-        bsel = qint_get_int(qobject_to_qint(o));
-    }
-    if (bsel < 0) {
+    Error *local_err = NULL;
+    int64_t bsel = object_property_get_int(OBJECT(bus), ACPI_PCIHP_PROP_BSEL,
+                                           &local_err);
+
+    if (local_err || bsel < 0 || bsel >= ACPI_PCIHP_MAX_HOTPLUG_BUS) {
+        if (local_err) {
+            error_free(local_err);
+        }
         return -1;
+    } else {
+        return bsel;
     }
-    return bsel;
 }
 
 static void acpi_pcihp_test_hotplug_bus(PCIBus *bus, void *opaque)
diff --git a/hw/arm/highbank.c b/hw/arm/highbank.c
index 46b9f1e0c0..24231e5448 100644
--- a/hw/arm/highbank.c
+++ b/hw/arm/highbank.c
@@ -134,7 +134,6 @@ static VMStateDescription vmstate_highbank_regs = {
     .name = "highbank-regs",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, HighbankRegsState, NUM_REGS),
         VMSTATE_END_OF_LIST(),
diff --git a/hw/arm/musicpal.c b/hw/arm/musicpal.c
index de542010aa..2a27a19d76 100644
--- a/hw/arm/musicpal.c
+++ b/hw/arm/musicpal.c
@@ -405,7 +405,6 @@ static const VMStateDescription mv88w8618_eth_vmsd = {
     .name = "mv88w8618_eth",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(smir, mv88w8618_eth_state),
         VMSTATE_UINT32(icr, mv88w8618_eth_state),
@@ -642,7 +641,6 @@ static const VMStateDescription musicpal_lcd_vmsd = {
     .name = "musicpal_lcd",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(brightness, musicpal_lcd_state),
         VMSTATE_UINT32(mode, musicpal_lcd_state),
@@ -769,7 +767,6 @@ static const VMStateDescription mv88w8618_pic_vmsd = {
     .name = "mv88w8618_pic",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(level, mv88w8618_pic_state),
         VMSTATE_UINT32(enabled, mv88w8618_pic_state),
@@ -940,7 +937,6 @@ static const VMStateDescription mv88w8618_timer_vmsd = {
     .name = "timer",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_PTIMER(ptimer, mv88w8618_timer_state),
         VMSTATE_UINT32(limit, mv88w8618_timer_state),
@@ -952,7 +948,6 @@ static const VMStateDescription mv88w8618_pit_vmsd = {
     .name = "mv88w8618_pit",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_STRUCT_ARRAY(timer, mv88w8618_pit_state, 4, 1,
                              mv88w8618_timer_vmsd, mv88w8618_timer_state),
@@ -1041,7 +1036,6 @@ static const VMStateDescription mv88w8618_flashcfg_vmsd = {
     .name = "mv88w8618_flashcfg",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(cfgr0, mv88w8618_flashcfg_state),
         VMSTATE_END_OF_LIST()
@@ -1381,7 +1375,6 @@ static const VMStateDescription musicpal_gpio_vmsd = {
     .name = "musicpal_gpio",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(lcd_brightness, musicpal_gpio_state),
         VMSTATE_UINT32(out_state, musicpal_gpio_state),
@@ -1548,7 +1541,6 @@ static const VMStateDescription musicpal_key_vmsd = {
     .name = "musicpal_key",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(kbd_extended, musicpal_key_state),
         VMSTATE_UINT32(pressed_keys, musicpal_key_state),
diff --git a/hw/arm/omap1.c b/hw/arm/omap1.c
index b433748c60..b28e0521b4 100644
--- a/hw/arm/omap1.c
+++ b/hw/arm/omap1.c
@@ -2709,8 +2709,8 @@ static void omap_rtc_write(void *opaque, hwaddr addr,
             s->ti += ti[1];
         } else {
             /* A less accurate version */
-            s->ti -= (s->current_tm.tm_year % 100) * 31536000;
-            s->ti += from_bcd(value) * 31536000;
+            s->ti -= (time_t)(s->current_tm.tm_year % 100) * 31536000;
+            s->ti += (time_t)from_bcd(value) * 31536000;
         }
         return;
 
diff --git a/hw/arm/pxa2xx.c b/hw/arm/pxa2xx.c
index 04291488e4..2d28a11d5e 100644
--- a/hw/arm/pxa2xx.c
+++ b/hw/arm/pxa2xx.c
@@ -148,8 +148,7 @@ static const VMStateDescription vmstate_pxa2xx_pm = {
     .name = "pxa2xx_pm",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(pm_regs, PXA2xxState, 0x40),
         VMSTATE_END_OF_LIST()
     }
@@ -215,8 +214,7 @@ static const VMStateDescription vmstate_pxa2xx_cm = {
     .name = "pxa2xx_cm",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(cm_regs, PXA2xxState, 4),
         VMSTATE_UINT32(clkcfg, PXA2xxState),
         VMSTATE_UINT32(pmnc, PXA2xxState),
@@ -440,8 +438,7 @@ static const VMStateDescription vmstate_pxa2xx_mm = {
     .name = "pxa2xx_mm",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(mm_regs, PXA2xxState, 0x1a),
         VMSTATE_END_OF_LIST()
     }
@@ -732,7 +729,7 @@ static void pxa2xx_ssp_save(QEMUFile *f, void *opaque)
 static int pxa2xx_ssp_load(QEMUFile *f, void *opaque, int version_id)
 {
     PXA2xxSSPState *s = (PXA2xxSSPState *) opaque;
-    int i;
+    int i, v;
 
     s->enable = qemu_get_be32(f);
 
@@ -746,7 +743,11 @@ static int pxa2xx_ssp_load(QEMUFile *f, void *opaque, int version_id)
     qemu_get_8s(f, &s->ssrsa);
     qemu_get_8s(f, &s->ssacd);
 
-    s->rx_level = qemu_get_byte(f);
+    v = qemu_get_byte(f);
+    if (v < 0 || v > ARRAY_SIZE(s->rx_fifo)) {
+        return -EINVAL;
+    }
+    s->rx_level = v;
     s->rx_start = 0;
     for (i = 0; i < s->rx_level; i ++)
         s->rx_fifo[i] = qemu_get_byte(f);
@@ -1168,7 +1169,6 @@ static const VMStateDescription vmstate_pxa2xx_rtc_regs = {
     .name = "pxa2xx_rtc",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .pre_save = pxa2xx_rtc_pre_save,
     .post_load = pxa2xx_rtc_post_load,
     .fields = (VMStateField[]) {
@@ -1432,8 +1432,7 @@ static const VMStateDescription vmstate_pxa2xx_i2c_slave = {
     .name = "pxa2xx_i2c_slave",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_I2C_SLAVE(parent_obj, PXA2xxI2CSlaveState),
         VMSTATE_END_OF_LIST()
     }
@@ -1443,8 +1442,7 @@ static const VMStateDescription vmstate_pxa2xx_i2c = {
     .name = "pxa2xx_i2c",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT16(control, PXA2xxI2CState),
         VMSTATE_UINT16(status, PXA2xxI2CState),
         VMSTATE_UINT8(ibmr, PXA2xxI2CState),
@@ -1701,8 +1699,7 @@ static const VMStateDescription vmstate_pxa2xx_i2s = {
     .name = "pxa2xx_i2s",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(control, PXA2xxI2SState, 2),
         VMSTATE_UINT32(status, PXA2xxI2SState),
         VMSTATE_UINT32(mask, PXA2xxI2SState),
diff --git a/hw/arm/pxa2xx_gpio.c b/hw/arm/pxa2xx_gpio.c
index 07274285ab..7f75f05137 100644
--- a/hw/arm/pxa2xx_gpio.c
+++ b/hw/arm/pxa2xx_gpio.c
@@ -313,8 +313,7 @@ static const VMStateDescription vmstate_pxa2xx_gpio_regs = {
     .name = "pxa2xx-gpio",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_INT32(lines, PXA2xxGPIOInfo),
         VMSTATE_UINT32_ARRAY(ilevel, PXA2xxGPIOInfo, PXA2XX_GPIO_BANKS),
         VMSTATE_UINT32_ARRAY(olevel, PXA2xxGPIOInfo, PXA2XX_GPIO_BANKS),
diff --git a/hw/arm/pxa2xx_pic.c b/hw/arm/pxa2xx_pic.c
index d37fb543e8..9cfc714874 100644
--- a/hw/arm/pxa2xx_pic.c
+++ b/hw/arm/pxa2xx_pic.c
@@ -296,7 +296,6 @@ static VMStateDescription vmstate_pxa2xx_pic_regs = {
     .name = "pxa2xx_pic",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .post_load = pxa2xx_pic_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(int_enabled, PXA2xxPICState, 2),
diff --git a/hw/arm/spitz.c b/hw/arm/spitz.c
index 392ca84c81..a179c1d694 100644
--- a/hw/arm/spitz.c
+++ b/hw/arm/spitz.c
@@ -1006,8 +1006,7 @@ static VMStateDescription vmstate_sl_nand_info = {
     .name = "sl-nand",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT8(ctl, SLNANDState),
         VMSTATE_STRUCT(ecc, SLNANDState, 0, vmstate_ecc_state, ECCState),
         VMSTATE_END_OF_LIST(),
@@ -1041,9 +1040,8 @@ static VMStateDescription vmstate_spitz_kbd = {
     .name = "spitz-keyboard",
     .version_id = 1,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .post_load = spitz_keyboard_post_load,
-    .fields = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT16(sense_state, SpitzKeyboardState),
         VMSTATE_UINT16(strobe_state, SpitzKeyboardState),
         VMSTATE_UNUSED_TEST(is_version_0, 5),
@@ -1076,8 +1074,7 @@ static const VMStateDescription vmstate_corgi_ssp_regs = {
     .name = "corgi-ssp",
     .version_id = 2,
     .minimum_version_id = 2,
-    .minimum_version_id_old = 2,
-    .fields = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_SSI_SLAVE(ssidev, CorgiSSPState),
         VMSTATE_UINT32_ARRAY(enable, CorgiSSPState, 3),
         VMSTATE_END_OF_LIST(),
@@ -1105,8 +1102,7 @@ static const VMStateDescription vmstate_spitz_lcdtg_regs = {
     .name = "spitz-lcdtg",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_SSI_SLAVE(ssidev, SpitzLCDTG),
         VMSTATE_UINT32(bl_intensity, SpitzLCDTG),
         VMSTATE_UINT32(bl_power, SpitzLCDTG),
diff --git a/hw/arm/stellaris.c b/hw/arm/stellaris.c
index d6cc77b458..a2095c0e84 100644
--- a/hw/arm/stellaris.c
+++ b/hw/arm/stellaris.c
@@ -185,12 +185,19 @@ static uint64_t gptm_read(void *opaque, hwaddr offset,
     case 0x44: /* TBPMR */
         return s->match_prescale[1];
     case 0x48: /* TAR */
-        if (s->control == 1)
+        if (s->config == 1) {
             return s->rtc;
+        }
+        qemu_log_mask(LOG_UNIMP,
+                      "GPTM: read of TAR but timer read not supported");
+        return 0;
     case 0x4c: /* TBR */
-        hw_error("TODO: Timer value read\n");
+        qemu_log_mask(LOG_UNIMP,
+                      "GPTM: read of TBR but timer read not supported");
+        return 0;
     default:
-        hw_error("gptm_read: Bad offset 0x%x\n", (int)offset);
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "GPTM: read at bad offset 0x%x\n", (int)offset);
         return 0;
     }
 }
@@ -286,8 +293,7 @@ static const VMStateDescription vmstate_stellaris_gptm = {
     .name = "stellaris_gptm",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(config, gptm_state),
         VMSTATE_UINT32_ARRAY(mode, gptm_state, 2),
         VMSTATE_UINT32(control, gptm_state),
@@ -643,9 +649,8 @@ static const VMStateDescription vmstate_stellaris_sys = {
     .name = "stellaris_sys",
     .version_id = 2,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .post_load = stellaris_sys_post_load,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(pborctl, ssys_state),
         VMSTATE_UINT32(ldopctl, ssys_state),
         VMSTATE_UINT32(int_mask, ssys_state),
@@ -851,8 +856,7 @@ static const VMStateDescription vmstate_stellaris_i2c = {
     .name = "stellaris_i2c",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(msa, stellaris_i2c_state),
         VMSTATE_UINT32(mcs, stellaris_i2c_state),
         VMSTATE_UINT32(mdr, stellaris_i2c_state),
@@ -1121,8 +1125,7 @@ static const VMStateDescription vmstate_stellaris_adc = {
     .name = "stellaris_adc",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(actss, stellaris_adc_state),
         VMSTATE_UINT32(ris, stellaris_adc_state),
         VMSTATE_UINT32(im, stellaris_adc_state),
diff --git a/hw/arm/strongarm.c b/hw/arm/strongarm.c
index 170d0ce267..0da9015333 100644
--- a/hw/arm/strongarm.c
+++ b/hw/arm/strongarm.c
@@ -199,7 +199,6 @@ static VMStateDescription vmstate_strongarm_pic_regs = {
     .name = "strongarm_pic",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .post_load = strongarm_pic_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(pending, StrongARMPICState),
@@ -424,7 +423,6 @@ static const VMStateDescription vmstate_strongarm_rtc_regs = {
     .name = "strongarm-rtc",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .pre_save = strongarm_rtc_pre_save,
     .post_load = strongarm_rtc_post_load,
     .fields = (VMStateField[]) {
@@ -670,7 +668,6 @@ static const VMStateDescription vmstate_strongarm_gpio_regs = {
     .name = "strongarm-gpio",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(ilevel, StrongARMGPIOInfo),
         VMSTATE_UINT32(olevel, StrongARMGPIOInfo),
@@ -842,7 +839,6 @@ static const VMStateDescription vmstate_strongarm_ppc_regs = {
     .name = "strongarm-ppc",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(ilevel, StrongARMPPCInfo),
         VMSTATE_UINT32(olevel, StrongARMPPCInfo),
@@ -1293,7 +1289,6 @@ static const VMStateDescription vmstate_strongarm_uart_regs = {
     .name = "strongarm-uart",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .post_load = strongarm_uart_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_UINT8(utcr0, StrongARMUARTState),
@@ -1553,7 +1548,6 @@ static const VMStateDescription vmstate_strongarm_ssp_regs = {
     .name = "strongarm-ssp",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .post_load = strongarm_ssp_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_UINT16_ARRAY(sscr, StrongARMSSPState, 2),
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 2bbc9313d2..ea4f02d32e 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -75,8 +75,6 @@ typedef struct MemMapEntry {
 typedef struct VirtBoardInfo {
     struct arm_boot_info bootinfo;
     const char *cpu_model;
-    const char *qdevname;
-    const char *gic_compatible;
     const MemMapEntry *memmap;
     const int *irqmap;
     int smp_cpus;
@@ -98,10 +96,10 @@ typedef struct VirtBoardInfo {
 static const MemMapEntry a15memmap[] = {
     /* Space up to 0x8000000 is reserved for a boot ROM */
     [VIRT_FLASH] = { 0, 0x8000000 },
-    [VIRT_CPUPERIPHS] = { 0x8000000, 0x8000 },
+    [VIRT_CPUPERIPHS] = { 0x8000000, 0x20000 },
     /* GIC distributor and CPU interfaces sit inside the CPU peripheral space */
-    [VIRT_GIC_DIST] = { 0x8001000, 0x1000 },
-    [VIRT_GIC_CPU] = { 0x8002000, 0x1000 },
+    [VIRT_GIC_DIST] = { 0x8000000, 0x10000 },
+    [VIRT_GIC_CPU] = { 0x8010000, 0x10000 },
     [VIRT_UART] = { 0x9000000, 0x1000 },
     [VIRT_MMIO] = { 0xa000000, 0x200 },
     /* ...repeating for a total of NUM_VIRTIO_TRANSPORTS, each of that size */
@@ -117,16 +115,16 @@ static const int a15irqmap[] = {
 static VirtBoardInfo machines[] = {
     {
         .cpu_model = "cortex-a15",
-        .qdevname = "a15mpcore_priv",
-        .gic_compatible = "arm,cortex-a15-gic",
+        .memmap = a15memmap,
+        .irqmap = a15irqmap,
+    },
+    {
+        .cpu_model = "cortex-a57",
         .memmap = a15memmap,
         .irqmap = a15irqmap,
     },
     {
         .cpu_model = "host",
-        /* We use the A15 private peripheral model to get a V2 GIC */
-        .qdevname = "a15mpcore_priv",
-        .gic_compatible = "arm,cortex-a15-gic",
         .memmap = a15memmap,
         .irqmap = a15irqmap,
     },
@@ -251,8 +249,9 @@ static void fdt_add_gic_node(const VirtBoardInfo *vbi)
     qemu_fdt_setprop_cell(vbi->fdt, "/", "interrupt-parent", gic_phandle);
 
     qemu_fdt_add_subnode(vbi->fdt, "/intc");
+    /* 'cortex-a15-gic' means 'GIC v2' */
     qemu_fdt_setprop_string(vbi->fdt, "/intc", "compatible",
-                                vbi->gic_compatible);
+                            "arm,cortex-a15-gic");
     qemu_fdt_setprop_cell(vbi->fdt, "/intc", "#interrupt-cells", 3);
     qemu_fdt_setprop(vbi->fdt, "/intc", "interrupt-controller", NULL, 0);
     qemu_fdt_setprop_sized_cells(vbi->fdt, "/intc", "reg",
@@ -263,6 +262,56 @@ static void fdt_add_gic_node(const VirtBoardInfo *vbi)
     qemu_fdt_setprop_cell(vbi->fdt, "/intc", "phandle", gic_phandle);
 }
 
+static void create_gic(const VirtBoardInfo *vbi, qemu_irq *pic)
+{
+    /* We create a standalone GIC v2 */
+    DeviceState *gicdev;
+    SysBusDevice *gicbusdev;
+    const char *gictype = "arm_gic";
+    int i;
+
+    if (kvm_irqchip_in_kernel()) {
+        gictype = "kvm-arm-gic";
+    }
+
+    gicdev = qdev_create(NULL, gictype);
+    qdev_prop_set_uint32(gicdev, "revision", 2);
+    qdev_prop_set_uint32(gicdev, "num-cpu", smp_cpus);
+    /* Note that the num-irq property counts both internal and external
+     * interrupts; there are always 32 of the former (mandated by GIC spec).
+     */
+    qdev_prop_set_uint32(gicdev, "num-irq", NUM_IRQS + 32);
+    qdev_init_nofail(gicdev);
+    gicbusdev = SYS_BUS_DEVICE(gicdev);
+    sysbus_mmio_map(gicbusdev, 0, vbi->memmap[VIRT_GIC_DIST].base);
+    sysbus_mmio_map(gicbusdev, 1, vbi->memmap[VIRT_GIC_CPU].base);
+
+    /* Wire the outputs from each CPU's generic timer to the
+     * appropriate GIC PPI inputs, and the GIC's IRQ output to
+     * the CPU's IRQ input.
+     */
+    for (i = 0; i < smp_cpus; i++) {
+        DeviceState *cpudev = DEVICE(qemu_get_cpu(i));
+        int ppibase = NUM_IRQS + i * 32;
+        /* physical timer; we wire it up to the non-secure timer's ID,
+         * since a real A15 always has TrustZone but QEMU doesn't.
+         */
+        qdev_connect_gpio_out(cpudev, 0,
+                              qdev_get_gpio_in(gicdev, ppibase + 30));
+        /* virtual timer */
+        qdev_connect_gpio_out(cpudev, 1,
+                              qdev_get_gpio_in(gicdev, ppibase + 27));
+
+        sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
+    }
+
+    for (i = 0; i < NUM_IRQS; i++) {
+        pic[i] = qdev_get_gpio_in(gicdev, i);
+    }
+
+    fdt_add_gic_node(vbi);
+}
+
 static void create_uart(const VirtBoardInfo *vbi, qemu_irq *pic)
 {
     char *nodename;
@@ -340,8 +389,6 @@ static void machvirt_init(QEMUMachineInitArgs *args)
     MemoryRegion *sysmem = get_system_memory();
     int n;
     MemoryRegion *ram = g_new(MemoryRegion, 1);
-    DeviceState *dev;
-    SysBusDevice *busdev;
     const char *cpu_model = args->cpu_model;
     VirtBoardInfo *vbi;
 
@@ -404,25 +451,7 @@ static void machvirt_init(QEMUMachineInitArgs *args)
     vmstate_register_ram_global(ram);
     memory_region_add_subregion(sysmem, vbi->memmap[VIRT_MEM].base, ram);
 
-    dev = qdev_create(NULL, vbi->qdevname);
-    qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
-    /* Note that the num-irq property counts both internal and external
-     * interrupts; there are always 32 of the former (mandated by GIC spec).
-     */
-    qdev_prop_set_uint32(dev, "num-irq", NUM_IRQS + 32);
-    qdev_init_nofail(dev);
-    busdev = SYS_BUS_DEVICE(dev);
-    sysbus_mmio_map(busdev, 0, vbi->memmap[VIRT_CPUPERIPHS].base);
-    fdt_add_gic_node(vbi);
-    for (n = 0; n < smp_cpus; n++) {
-        DeviceState *cpudev = DEVICE(qemu_get_cpu(n));
-
-        sysbus_connect_irq(busdev, n, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
-    }
-
-    for (n = 0; n < NUM_IRQS; n++) {
-        pic[n] = qdev_get_gpio_in(dev, n);
-    }
+    create_gic(vbi, pic);
 
     create_uart(vbi, pic);
 
diff --git a/hw/arm/z2.c b/hw/arm/z2.c
index 67c1be84ac..5df014b15e 100644
--- a/hw/arm/z2.c
+++ b/hw/arm/z2.c
@@ -164,7 +164,6 @@ static VMStateDescription vmstate_zipit_lcd_state = {
     .name = "zipit-lcd",
     .version_id = 2,
     .minimum_version_id = 2,
-    .minimum_version_id_old = 2,
     .fields = (VMStateField[]) {
         VMSTATE_SSI_SLAVE(ssidev, ZipitLCD),
         VMSTATE_INT32(selected, ZipitLCD),
@@ -275,7 +274,6 @@ static VMStateDescription vmstate_aer915_state = {
     .name = "aer915",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_INT32(len, AER915State),
         VMSTATE_BUFFER(buf, AER915State),
diff --git a/hw/audio/adlib.c b/hw/audio/adlib.c
index 28eed81280..5dd739e541 100644
--- a/hw/audio/adlib.c
+++ b/hw/audio/adlib.c
@@ -86,6 +86,7 @@ typedef struct {
 #ifndef HAS_YMF262
     FM_OPL *opl;
 #endif
+    PortioList port_list;
 } AdlibState;
 
 static AdlibState *glob_adlib;
@@ -293,7 +294,6 @@ static MemoryRegionPortio adlib_portio_list[] = {
 static void adlib_realizefn (DeviceState *dev, Error **errp)
 {
     AdlibState *s = ADLIB(dev);
-    PortioList *port_list = g_new(PortioList, 1);
     struct audsettings as;
 
     if (glob_adlib) {
@@ -349,8 +349,8 @@ static void adlib_realizefn (DeviceState *dev, Error **errp)
 
     adlib_portio_list[0].offset = s->port;
     adlib_portio_list[1].offset = s->port + 8;
-    portio_list_init (port_list, OBJECT(s), adlib_portio_list, s, "adlib");
-    portio_list_add (port_list, isa_address_space_io(&s->parent_obj), 0);
+    portio_list_init (&s->port_list, OBJECT(s), adlib_portio_list, s, "adlib");
+    portio_list_add (&s->port_list, isa_address_space_io(&s->parent_obj), 0);
 }
 
 static Property adlib_properties[] = {
diff --git a/hw/audio/hda-codec.c b/hw/audio/hda-codec.c
index a67ca91ca7..48c6eadb03 100644
--- a/hw/audio/hda-codec.c
+++ b/hw/audio/hda-codec.c
@@ -261,6 +261,9 @@ static void hda_audio_set_amp(HDAAudioStream *st)
     left = left * 255 / QEMU_HDA_AMP_STEPS;
     right = right * 255 / QEMU_HDA_AMP_STEPS;
 
+    if (!st->state->mixer) {
+        return;
+    }
     if (st->output) {
         AUD_set_volume_out(st->voice.out, muted, left, right);
     } else {
diff --git a/hw/audio/lm4549.c b/hw/audio/lm4549.c
index d75f7ec21f..380ef603bd 100644
--- a/hw/audio/lm4549.c
+++ b/hw/audio/lm4549.c
@@ -324,9 +324,8 @@ const VMStateDescription vmstate_lm4549_state = {
     .name = "lm4549_state",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .post_load = &lm4549_post_load,
-    .fields      = (VMStateField[]) {
+    .post_load = lm4549_post_load,
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(voice_is_active, lm4549_state),
         VMSTATE_UINT16_ARRAY(regfile, lm4549_state, 128),
         VMSTATE_UINT16_ARRAY(buffer, lm4549_state, LM4549_BUFFER_SIZE),
diff --git a/hw/audio/marvell_88w8618.c b/hw/audio/marvell_88w8618.c
index cdce238f55..86992677e3 100644
--- a/hw/audio/marvell_88w8618.c
+++ b/hw/audio/marvell_88w8618.c
@@ -259,7 +259,6 @@ static const VMStateDescription mv88w8618_audio_vmsd = {
     .name = "mv88w8618_audio",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(playback_mode, mv88w8618_audio_state),
         VMSTATE_UINT32(status, mv88w8618_audio_state),
diff --git a/hw/audio/milkymist-ac97.c b/hw/audio/milkymist-ac97.c
index 9c0f7a092d..28f55e8535 100644
--- a/hw/audio/milkymist-ac97.c
+++ b/hw/audio/milkymist-ac97.c
@@ -316,9 +316,8 @@ static const VMStateDescription vmstate_milkymist_ac97 = {
     .name = "milkymist-ac97",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .post_load = ac97_post_load,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, MilkymistAC97State, R_MAX),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/audio/pl041.c b/hw/audio/pl041.c
index ed82be54e8..19982f2477 100644
--- a/hw/audio/pl041.c
+++ b/hw/audio/pl041.c
@@ -561,8 +561,7 @@ static const VMStateDescription vmstate_pl041_regfile = {
     .name = "pl041_regfile",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
 #define REGISTER(name, offset) VMSTATE_UINT32(name, pl041_regfile),
         #include "pl041.hx"
 #undef REGISTER
@@ -574,8 +573,7 @@ static const VMStateDescription vmstate_pl041_fifo = {
     .name = "pl041_fifo",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(level, pl041_fifo),
         VMSTATE_UINT32_ARRAY(data, pl041_fifo, MAX_FIFO_DEPTH),
         VMSTATE_END_OF_LIST()
@@ -586,8 +584,7 @@ static const VMStateDescription vmstate_pl041_channel = {
     .name = "pl041_channel",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_STRUCT(tx_fifo, pl041_channel, 0,
                        vmstate_pl041_fifo, pl041_fifo),
         VMSTATE_UINT8(tx_enabled, pl041_channel),
diff --git a/hw/audio/wm8750.c b/hw/audio/wm8750.c
index c18f2457a1..b50b331402 100644
--- a/hw/audio/wm8750.c
+++ b/hw/audio/wm8750.c
@@ -583,10 +583,9 @@ static const VMStateDescription vmstate_wm8750 = {
     .name = CODEC,
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .pre_save = wm8750_pre_save,
     .post_load = wm8750_post_load,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT8_ARRAY(i2c_data, WM8750State, 2),
         VMSTATE_INT32(i2c_len, WM8750State),
         VMSTATE_INT32(enable, WM8750State),
diff --git a/hw/block/ecc.c b/hw/block/ecc.c
index 8c888cc12a..10bb233089 100644
--- a/hw/block/ecc.c
+++ b/hw/block/ecc.c
@@ -81,8 +81,7 @@ VMStateDescription vmstate_ecc_state = {
     .name = "ecc-state",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT8(cp, ECCState),
         VMSTATE_UINT16_ARRAY(lp, ECCState, 2),
         VMSTATE_UINT16(count, ECCState),
diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
index e29a738d23..4076114b32 100644
--- a/hw/block/m25p80.c
+++ b/hw/block/m25p80.c
@@ -653,7 +653,6 @@ static const VMStateDescription vmstate_m25p80 = {
     .name = "xilinx_spi",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .pre_save = m25p80_pre_save,
     .fields = (VMStateField[]) {
         VMSTATE_UINT8(state, Flash),
diff --git a/hw/block/nand.c b/hw/block/nand.c
index 6d7c804f01..38eefd436d 100644
--- a/hw/block/nand.c
+++ b/hw/block/nand.c
@@ -346,10 +346,9 @@ static const VMStateDescription vmstate_nand = {
     .name = "nand",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .pre_save = nand_pre_save,
     .post_load = nand_post_load,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT8(cle, NANDFlashState),
         VMSTATE_UINT8(ale, NANDFlashState),
         VMSTATE_UINT8(ce, NANDFlashState),
diff --git a/hw/block/onenand.c b/hw/block/onenand.c
index aae9ee7536..60d5311d04 100644
--- a/hw/block/onenand.c
+++ b/hw/block/onenand.c
@@ -169,7 +169,6 @@ static const VMStateDescription vmstate_onenand = {
     .name = "onenand",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .pre_save = onenand_pre_save,
     .post_load = onenand_post_load,
     .fields = (VMStateField[]) {
diff --git a/hw/block/xen_blkif.h b/hw/block/xen_blkif.h
index c0f4136228..711b692742 100644
--- a/hw/block/xen_blkif.h
+++ b/hw/block/xen_blkif.h
@@ -79,6 +79,12 @@ static inline void blkif_get_x86_32_req(blkif_request_t *dst, blkif_x86_32_reque
 	dst->handle = src->handle;
 	dst->id = src->id;
 	dst->sector_number = src->sector_number;
+	if (src->operation == BLKIF_OP_DISCARD) {
+		struct blkif_request_discard *s = (void *)src;
+		struct blkif_request_discard *d = (void *)dst;
+		d->nr_sectors = s->nr_sectors;
+		return;
+	}
 	if (n > src->nr_segments)
 		n = src->nr_segments;
 	for (i = 0; i < n; i++)
@@ -94,6 +100,12 @@ static inline void blkif_get_x86_64_req(blkif_request_t *dst, blkif_x86_64_reque
 	dst->handle = src->handle;
 	dst->id = src->id;
 	dst->sector_number = src->sector_number;
+	if (src->operation == BLKIF_OP_DISCARD) {
+		struct blkif_request_discard *s = (void *)src;
+		struct blkif_request_discard *d = (void *)dst;
+		d->nr_sectors = s->nr_sectors;
+		return;
+	}
 	if (n > src->nr_segments)
 		n = src->nr_segments;
 	for (i = 0; i < n; i++)
diff --git a/hw/block/xen_disk.c b/hw/block/xen_disk.c
index a8fea72edf..aed5b5b3e9 100644
--- a/hw/block/xen_disk.c
+++ b/hw/block/xen_disk.c
@@ -114,6 +114,7 @@ struct XenBlkDev {
     int                 requests_finished;
 
     /* Persistent grants extension */
+    gboolean            feature_discard;
     gboolean            feature_persistent;
     GTree               *persistent_gnts;
     unsigned int        persistent_gnt_count;
@@ -253,6 +254,8 @@ static int ioreq_parse(struct ioreq *ioreq)
     case BLKIF_OP_WRITE:
         ioreq->prot = PROT_READ; /* from memory */
         break;
+    case BLKIF_OP_DISCARD:
+        return 0;
     default:
         xen_be_printf(&blkdev->xendev, 0, "error: unknown operation (%d)\n",
                       ioreq->req.operation);
@@ -492,6 +495,7 @@ static void qemu_aio_complete(void *opaque, int ret)
     case BLKIF_OP_READ:
         bdrv_acct_done(ioreq->blkdev->bs, &ioreq->acct);
         break;
+    case BLKIF_OP_DISCARD:
     default:
         break;
     }
@@ -532,6 +536,15 @@ static int ioreq_runio_qemu_aio(struct ioreq *ioreq)
                         &ioreq->v, ioreq->v.size / BLOCK_SIZE,
                         qemu_aio_complete, ioreq);
         break;
+    case BLKIF_OP_DISCARD:
+    {
+        struct blkif_request_discard *discard_req = (void *)&ioreq->req;
+        ioreq->aio_inflight++;
+        bdrv_aio_discard(blkdev->bs,
+                        discard_req->sector_number, discard_req->nr_sectors,
+                        qemu_aio_complete, ioreq);
+        break;
+    }
     default:
         /* unknown operation (shouldn't happen -- parse catches this) */
         goto err;
@@ -710,6 +723,21 @@ static void blk_alloc(struct XenDevice *xendev)
     }
 }
 
+static void blk_parse_discard(struct XenBlkDev *blkdev)
+{
+    int enable;
+
+    blkdev->feature_discard = true;
+
+    if (xenstore_read_be_int(&blkdev->xendev, "discard-enable", &enable) == 0) {
+        blkdev->feature_discard = !!enable;
+    }
+
+    if (blkdev->feature_discard) {
+        xenstore_write_be_int(&blkdev->xendev, "feature-discard", 1);
+    }
+}
+
 static int blk_init(struct XenDevice *xendev)
 {
     struct XenBlkDev *blkdev = container_of(xendev, struct XenBlkDev, xendev);
@@ -777,6 +805,8 @@ static int blk_init(struct XenDevice *xendev)
     xenstore_write_be_int(&blkdev->xendev, "feature-persistent", 1);
     xenstore_write_be_int(&blkdev->xendev, "info", info);
 
+    blk_parse_discard(blkdev);
+
     g_free(directiosafe);
     return 0;
 
@@ -812,6 +842,9 @@ static int blk_connect(struct XenDevice *xendev)
         qflags |= BDRV_O_RDWR;
         readonly = false;
     }
+    if (blkdev->feature_discard) {
+        qflags |= BDRV_O_UNMAP;
+    }
 
     /* init qemu block driver */
     index = (blkdev->xendev.dev - 202 * 256) / 16;
diff --git a/hw/char/cadence_uart.c b/hw/char/cadence_uart.c
index 1012f1ad64..bf0c853499 100644
--- a/hw/char/cadence_uart.c
+++ b/hw/char/cadence_uart.c
@@ -504,7 +504,6 @@ static const VMStateDescription vmstate_cadence_uart = {
     .name = "cadence_uart",
     .version_id = 2,
     .minimum_version_id = 2,
-    .minimum_version_id_old = 2,
     .post_load = cadence_uart_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(r, UartState, R_MAX),
diff --git a/hw/char/digic-uart.c b/hw/char/digic-uart.c
index fd8e07713d..8abe944de6 100644
--- a/hw/char/digic-uart.c
+++ b/hw/char/digic-uart.c
@@ -162,7 +162,6 @@ static const VMStateDescription vmstate_digic_uart = {
     .name = "digic-uart",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(reg_rx, DigicUartState),
         VMSTATE_UINT32(reg_st, DigicUartState),
diff --git a/hw/char/exynos4210_uart.c b/hw/char/exynos4210_uart.c
index 19b59ccddb..7614e5860f 100644
--- a/hw/char/exynos4210_uart.c
+++ b/hw/char/exynos4210_uart.c
@@ -560,7 +560,6 @@ static const VMStateDescription vmstate_exynos4210_uart_fifo = {
     .name = "exynos4210.uart.fifo",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(sp, Exynos4210UartFIFO),
         VMSTATE_UINT32(rp, Exynos4210UartFIFO),
@@ -573,7 +572,6 @@ static const VMStateDescription vmstate_exynos4210_uart = {
     .name = "exynos4210.uart",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_STRUCT(rx, Exynos4210UartState, 1,
                        vmstate_exynos4210_uart_fifo, Exynos4210UartFIFO),
diff --git a/hw/char/imx_serial.c b/hw/char/imx_serial.c
index 7f16835aeb..f3fbc776be 100644
--- a/hw/char/imx_serial.c
+++ b/hw/char/imx_serial.c
@@ -76,7 +76,6 @@ static const VMStateDescription vmstate_imx_serial = {
     .name = "imx-serial",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_INT32(readbuff, IMXSerialState),
         VMSTATE_UINT32(usr1, IMXSerialState),
diff --git a/hw/char/ipoctal232.c b/hw/char/ipoctal232.c
index f9c388ed0b..c8d5cdb361 100644
--- a/hw/char/ipoctal232.c
+++ b/hw/char/ipoctal232.c
@@ -124,8 +124,7 @@ static const VMStateDescription vmstate_scc2698_channel = {
     .name = "scc2698_channel",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_BOOL(rx_enabled, SCC2698Channel),
         VMSTATE_UINT8_ARRAY(mr, SCC2698Channel, 2),
         VMSTATE_UINT8(mr_idx, SCC2698Channel),
@@ -141,8 +140,7 @@ static const VMStateDescription vmstate_scc2698_block = {
     .name = "scc2698_block",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT8(imr, SCC2698Block),
         VMSTATE_UINT8(isr, SCC2698Block),
         VMSTATE_END_OF_LIST()
@@ -153,8 +151,7 @@ static const VMStateDescription vmstate_ipoctal = {
     .name = "ipoctal232",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_IPACK_DEVICE(parent_obj, IPOctalState),
         VMSTATE_STRUCT_ARRAY(ch, IPOctalState, N_CHANNELS, 1,
                              vmstate_scc2698_channel, SCC2698Channel),
diff --git a/hw/char/lm32_juart.c b/hw/char/lm32_juart.c
index 380cb5dbea..628a86fc06 100644
--- a/hw/char/lm32_juart.c
+++ b/hw/char/lm32_juart.c
@@ -129,8 +129,7 @@ static const VMStateDescription vmstate_lm32_juart = {
     .name = "lm32-juart",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(jtx, LM32JuartState),
         VMSTATE_UINT32(jrx, LM32JuartState),
         VMSTATE_END_OF_LIST()
diff --git a/hw/char/lm32_uart.c b/hw/char/lm32_uart.c
index 84c2549cb7..4f2096637d 100644
--- a/hw/char/lm32_uart.c
+++ b/hw/char/lm32_uart.c
@@ -270,8 +270,7 @@ static const VMStateDescription vmstate_lm32_uart = {
     .name = "lm32-uart",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, LM32UartState, R_MAX),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/char/milkymist-uart.c b/hw/char/milkymist-uart.c
index da51f82eac..d05b825340 100644
--- a/hw/char/milkymist-uart.c
+++ b/hw/char/milkymist-uart.c
@@ -221,8 +221,7 @@ static const VMStateDescription vmstate_milkymist_uart = {
     .name = "milkymist-uart",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, MilkymistUartState, R_MAX),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/char/pl011.c b/hw/char/pl011.c
index 644aad7cf0..0a451150e5 100644
--- a/hw/char/pl011.c
+++ b/hw/char/pl011.c
@@ -251,8 +251,7 @@ static const VMStateDescription vmstate_pl011 = {
     .name = "pl011",
     .version_id = 2,
     .minimum_version_id = 2,
-    .minimum_version_id_old = 2,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(readbuff, PL011State),
         VMSTATE_UINT32(flags, PL011State),
         VMSTATE_UINT32(lcr, PL011State),
diff --git a/hw/char/sclpconsole-lm.c b/hw/char/sclpconsole-lm.c
index a2dc1c63b0..80dd0a9e13 100644
--- a/hw/char/sclpconsole-lm.c
+++ b/hw/char/sclpconsole-lm.c
@@ -291,8 +291,7 @@ static const VMStateDescription vmstate_sclplmconsole = {
     .name = "sclplmconsole",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_BOOL(event.event_pending, SCLPConsoleLM),
         VMSTATE_UINT32(write_errors, SCLPConsoleLM),
         VMSTATE_UINT32(length, SCLPConsoleLM),
diff --git a/hw/char/sclpconsole.c b/hw/char/sclpconsole.c
index ce406730a5..fca105db4e 100644
--- a/hw/char/sclpconsole.c
+++ b/hw/char/sclpconsole.c
@@ -185,8 +185,7 @@ static const VMStateDescription vmstate_sclpconsole = {
     .name = "sclpconsole",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_BOOL(event.event_pending, SCLPConsole),
         VMSTATE_UINT8_ARRAY(iov, SCLPConsole, SIZE_BUFFER_VT220),
         VMSTATE_UINT32(iov_sclp, SCLPConsole),
diff --git a/hw/core/ptimer.c b/hw/core/ptimer.c
index 3036bde1f3..466e543b3d 100644
--- a/hw/core/ptimer.c
+++ b/hw/core/ptimer.c
@@ -206,8 +206,7 @@ const VMStateDescription vmstate_ptimer = {
     .name = "ptimer",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT8(enabled, ptimer_state),
         VMSTATE_UINT64(limit, ptimer_state),
         VMSTATE_UINT64(delta, ptimer_state),
diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c
index de835612f0..404cf1843d 100644
--- a/hw/core/qdev-properties-system.c
+++ b/hw/core/qdev-properties-system.c
@@ -338,13 +338,13 @@ PropertyInfo qdev_prop_vlan = {
 int qdev_prop_set_drive(DeviceState *dev, const char *name,
                         BlockDriverState *value)
 {
-    Error *errp = NULL;
+    Error *err = NULL;
     const char *bdrv_name = value ? bdrv_get_device_name(value) : "";
     object_property_set_str(OBJECT(dev), bdrv_name,
-                            name, &errp);
-    if (errp) {
-        qerror_report_err(errp);
-        error_free(errp);
+                            name, &err);
+    if (err) {
+        qerror_report_err(err);
+        error_free(err);
         return -1;
     }
     return 0;
diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
index c67acf58b5..d8cb5408c3 100644
--- a/hw/core/qdev-properties.c
+++ b/hw/core/qdev-properties.c
@@ -587,8 +587,9 @@ static void set_blocksize(Object *obj, Visitor *v, void *opaque,
 
     /* We rely on power-of-2 blocksizes for bitmasks */
     if ((value & (value - 1)) != 0) {
-        error_set(errp, QERR_PROPERTY_VALUE_NOT_POWER_OF_2,
-                  dev->id?:"", name, (int64_t)value);
+        error_setg(errp,
+                  "Property %s.%s doesn't take value '%" PRId64 "', it's not a power of 2",
+                  dev->id ?: "", name, (int64_t)value);
         return;
     }
 
@@ -750,6 +751,7 @@ static void set_prop_arraylen(Object *obj, Visitor *v, void *opaque,
     Property *prop = opaque;
     uint32_t *alenptr = qdev_get_prop_ptr(dev, prop);
     void **arrayptr = (void *)dev + prop->arrayoffset;
+    Error *local_err = NULL;
     void *eltptr;
     const char *arrayname;
     int i;
@@ -763,8 +765,9 @@ static void set_prop_arraylen(Object *obj, Visitor *v, void *opaque,
                    name);
         return;
     }
-    visit_type_uint32(v, alenptr, name, errp);
-    if (error_is_set(errp)) {
+    visit_type_uint32(v, alenptr, name, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
         return;
     }
     if (!*alenptr) {
@@ -801,8 +804,9 @@ static void set_prop_arraylen(Object *obj, Visitor *v, void *opaque,
                             arrayprop->prop.info->get,
                             arrayprop->prop.info->set,
                             array_element_release,
-                            arrayprop, errp);
-        if (error_is_set(errp)) {
+                            arrayprop, &local_err);
+        if (local_err) {
+            error_propagate(errp, local_err);
             return;
         }
     }
@@ -853,7 +857,7 @@ void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev,
 {
     switch (ret) {
     case -EEXIST:
-        error_set(errp, QERR_PROPERTY_VALUE_IN_USE,
+        error_setg(errp, "Property '%s.%s' can't take value '%s', it's in use",
                   object_get_typename(OBJECT(dev)), prop->name, value);
         break;
     default:
@@ -862,7 +866,7 @@ void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev,
                   object_get_typename(OBJECT(dev)), prop->name, value);
         break;
     case -ENOENT:
-        error_set(errp, QERR_PROPERTY_VALUE_NOT_FOUND,
+        error_setg(errp, "Property '%s.%s' can't find value '%s'",
                   object_get_typename(OBJECT(dev)), prop->name, value);
         break;
     case 0:
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index 60f9df1ed9..936eae6412 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -174,14 +174,14 @@ int qdev_init(DeviceState *dev)
     return 0;
 }
 
-static void device_realize(DeviceState *dev, Error **err)
+static void device_realize(DeviceState *dev, Error **errp)
 {
     DeviceClass *dc = DEVICE_GET_CLASS(dev);
 
     if (dc->init) {
         int rc = dc->init(dev);
         if (rc < 0) {
-            error_setg(err, "Device initialization failed.");
+            error_setg(errp, "Device initialization failed.");
             return;
         }
     }
@@ -504,14 +504,14 @@ static void bus_unparent(Object *obj)
     }
 }
 
-static bool bus_get_realized(Object *obj, Error **err)
+static bool bus_get_realized(Object *obj, Error **errp)
 {
     BusState *bus = BUS(obj);
 
     return bus->realized;
 }
 
-static void bus_set_realized(Object *obj, bool value, Error **err)
+static void bus_set_realized(Object *obj, bool value, Error **errp)
 {
     BusState *bus = BUS(obj);
     BusClass *bc = BUS_GET_CLASS(bus);
@@ -540,7 +540,7 @@ static void bus_set_realized(Object *obj, bool value, Error **err)
     return;
 
 error:
-    error_propagate(err, local_err);
+    error_propagate(errp, local_err);
 }
 
 void qbus_create_inplace(void *bus, size_t size, const char *typename,
@@ -660,8 +660,8 @@ static void qdev_get_legacy_property(Object *obj, Visitor *v, void *opaque,
  * Legacy properties are string versions of other OOM properties.  The format
  * of the string depends on the property type.
  */
-void qdev_property_add_legacy(DeviceState *dev, Property *prop,
-                              Error **errp)
+static void qdev_property_add_legacy(DeviceState *dev, Property *prop,
+                                     Error **errp)
 {
     gchar *name;
 
@@ -724,13 +724,13 @@ void qdev_property_add_static(DeviceState *dev, Property *prop,
     }
 }
 
-static bool device_get_realized(Object *obj, Error **err)
+static bool device_get_realized(Object *obj, Error **errp)
 {
     DeviceState *dev = DEVICE(obj);
     return dev->realized;
 }
 
-static void device_set_realized(Object *obj, bool value, Error **err)
+static void device_set_realized(Object *obj, bool value, Error **errp)
 {
     DeviceState *dev = DEVICE(obj);
     DeviceClass *dc = DEVICE_GET_CLASS(dev);
@@ -738,7 +738,7 @@ static void device_set_realized(Object *obj, bool value, Error **err)
     Error *local_err = NULL;
 
     if (dev->hotplugged && !dc->hotpluggable) {
-        error_set(err, QERR_DEVICE_NO_HOTPLUG, object_get_typename(obj));
+        error_set(errp, QERR_DEVICE_NO_HOTPLUG, object_get_typename(obj));
         return;
     }
 
@@ -797,14 +797,14 @@ static void device_set_realized(Object *obj, bool value, Error **err)
     }
 
     if (local_err != NULL) {
-        error_propagate(err, local_err);
+        error_propagate(errp, local_err);
         return;
     }
 
     dev->realized = value;
 }
 
-static bool device_get_hotpluggable(Object *obj, Error **err)
+static bool device_get_hotpluggable(Object *obj, Error **errp)
 {
     DeviceClass *dc = DEVICE_GET_CLASS(obj);
     DeviceState *dev = DEVICE(obj);
diff --git a/hw/display/ads7846.c b/hw/display/ads7846.c
index 85252a2329..3f35369bb4 100644
--- a/hw/display/ads7846.c
+++ b/hw/display/ads7846.c
@@ -121,9 +121,8 @@ static const VMStateDescription vmstate_ads7846 = {
     .name = "ads7846",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .post_load = ads7856_post_load,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_SSI_SLAVE(ssidev, ADS7846State),
         VMSTATE_INT32_ARRAY(input, ADS7846State, 8),
         VMSTATE_INT32(noise, ADS7846State),
diff --git a/hw/display/cg3.c b/hw/display/cg3.c
index a042b9ecbe..f5a8299e5e 100644
--- a/hw/display/cg3.c
+++ b/hw/display/cg3.c
@@ -324,7 +324,7 @@ static const VMStateDescription vmstate_cg3 = {
     .version_id = 1,
     .minimum_version_id = 1,
     .post_load = vmstate_cg3_post_load,
-    .fields    = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT16(height, CG3State),
         VMSTATE_UINT16(width, CG3State),
         VMSTATE_UINT16(depth, CG3State),
diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c
index 0d3127da21..d1afc765fb 100644
--- a/hw/display/cirrus_vga.c
+++ b/hw/display/cirrus_vga.c
@@ -2913,7 +2913,7 @@ static void isa_cirrus_vga_realizefn(DeviceState *dev, Error **errp)
     ISACirrusVGAState *d = ISA_CIRRUS_VGA(dev);
     VGACommonState *s = &d->cirrus_vga.vga;
 
-    vga_common_init(s, OBJECT(dev));
+    vga_common_init(s, OBJECT(dev), true);
     cirrus_init_common(&d->cirrus_vga, OBJECT(dev), CIRRUS_ID_CLGD5430, 0,
                        isa_address_space(isadev),
                        isa_address_space_io(isadev));
@@ -2960,7 +2960,7 @@ static int pci_cirrus_vga_initfn(PCIDevice *dev)
      int16_t device_id = pc->device_id;
 
      /* setup VGA */
-     vga_common_init(&s->vga, OBJECT(dev));
+     vga_common_init(&s->vga, OBJECT(dev), true);
      cirrus_init_common(s, OBJECT(dev), device_id, 1, pci_address_space(dev),
                         pci_address_space_io(dev));
      s->vga.con = graphic_console_init(DEVICE(dev), 0, s->vga.hw_ops, &s->vga);
diff --git a/hw/display/exynos4210_fimd.c b/hw/display/exynos4210_fimd.c
index 9750330c25..45c62afac1 100644
--- a/hw/display/exynos4210_fimd.c
+++ b/hw/display/exynos4210_fimd.c
@@ -1845,7 +1845,7 @@ static const VMStateDescription exynos4210_fimd_window_vmstate = {
     .name = "exynos4210.fimd_window",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(wincon, Exynos4210fimdWindow),
         VMSTATE_UINT32_ARRAY(buf_start, Exynos4210fimdWindow, 3),
         VMSTATE_UINT32_ARRAY(buf_end, Exynos4210fimdWindow, 3),
@@ -1875,7 +1875,7 @@ static const VMStateDescription exynos4210_fimd_vmstate = {
     .version_id = 1,
     .minimum_version_id = 1,
     .post_load = exynos4210_fimd_load,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(vidcon, Exynos4210fimdState, 4),
         VMSTATE_UINT32_ARRAY(vidtcon, Exynos4210fimdState, 4),
         VMSTATE_UINT32(shadowcon, Exynos4210fimdState),
diff --git a/hw/display/g364fb.c b/hw/display/g364fb.c
index 5c6a2d3605..46f7b41211 100644
--- a/hw/display/g364fb.c
+++ b/hw/display/g364fb.c
@@ -459,7 +459,6 @@ static const VMStateDescription vmstate_g364fb = {
     .name = "g364fb",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .post_load = g364fb_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_VBUFFER_UINT32(vram, G364State, 1, NULL, 0, vram_size),
diff --git a/hw/display/jazz_led.c b/hw/display/jazz_led.c
index f9e7d7c981..e9bb005413 100644
--- a/hw/display/jazz_led.c
+++ b/hw/display/jazz_led.c
@@ -250,7 +250,6 @@ static const VMStateDescription vmstate_jazz_led = {
     .name = "jazz-led",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .post_load = jazz_led_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_UINT8(segments, LedState),
diff --git a/hw/display/milkymist-tmu2.c b/hw/display/milkymist-tmu2.c
index b2a5fba0ff..3e1d0b9c20 100644
--- a/hw/display/milkymist-tmu2.c
+++ b/hw/display/milkymist-tmu2.c
@@ -463,8 +463,7 @@ static const VMStateDescription vmstate_milkymist_tmu2 = {
     .name = "milkymist-tmu2",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, MilkymistTMU2State, R_MAX),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/display/milkymist-vgafb.c b/hw/display/milkymist-vgafb.c
index 603537aabb..9b35e76ff1 100644
--- a/hw/display/milkymist-vgafb.c
+++ b/hw/display/milkymist-vgafb.c
@@ -305,9 +305,8 @@ static const VMStateDescription vmstate_milkymist_vgafb = {
     .name = "milkymist-vgafb",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .post_load = vgafb_post_load,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, MilkymistVgafbState, R_MAX),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/display/pxa2xx_lcd.c b/hw/display/pxa2xx_lcd.c
index 09cdf17ab9..80edb70676 100644
--- a/hw/display/pxa2xx_lcd.c
+++ b/hw/display/pxa2xx_lcd.c
@@ -932,8 +932,7 @@ static const VMStateDescription vmstate_dma_channel = {
     .name = "dma_channel",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(branch, struct DMAChannel),
         VMSTATE_UINT8(up, struct DMAChannel),
         VMSTATE_BUFFER(pbuffer, struct DMAChannel),
@@ -959,9 +958,8 @@ static const VMStateDescription vmstate_pxa2xx_lcdc = {
     .name = "pxa2xx_lcdc",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .post_load = pxa2xx_lcdc_post_load,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_INT32(irqlevel, PXA2xxLCDState),
         VMSTATE_INT32(transp, PXA2xxLCDState),
         VMSTATE_UINT32_ARRAY(control, PXA2xxLCDState, 6),
diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index 47bbf1f1fe..7fb83e4eaf 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -2055,19 +2055,18 @@ static int qxl_init_primary(PCIDevice *dev)
 {
     PCIQXLDevice *qxl = DO_UPCAST(PCIQXLDevice, pci, dev);
     VGACommonState *vga = &qxl->vga;
-    PortioList *qxl_vga_port_list = g_new(PortioList, 1);
     int rc;
 
     qxl->id = 0;
     qxl_init_ramsize(qxl);
     vga->vram_size_mb = qxl->vga.vram_size >> 20;
-    vga_common_init(vga, OBJECT(dev));
+    vga_common_init(vga, OBJECT(dev), true);
     vga_init(vga, OBJECT(dev),
              pci_address_space(dev), pci_address_space_io(dev), false);
-    portio_list_init(qxl_vga_port_list, OBJECT(dev), qxl_vga_portio_list,
+    portio_list_init(&qxl->vga_port_list, OBJECT(dev), qxl_vga_portio_list,
                      vga, "vga");
-    portio_list_set_flush_coalesced(qxl_vga_port_list);
-    portio_list_add(qxl_vga_port_list, pci_address_space_io(dev), 0x3b0);
+    portio_list_set_flush_coalesced(&qxl->vga_port_list);
+    portio_list_add(&qxl->vga_port_list, pci_address_space_io(dev), 0x3b0);
 
     vga->con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl);
     qemu_spice_display_init_common(&qxl->ssd);
diff --git a/hw/display/qxl.h b/hw/display/qxl.h
index c5de3d7075..412e346b68 100644
--- a/hw/display/qxl.h
+++ b/hw/display/qxl.h
@@ -32,6 +32,7 @@ enum qxl_mode {
 
 typedef struct PCIQXLDevice {
     PCIDevice          pci;
+    PortioList         vga_port_list;
     SimpleSpiceDisplay ssd;
     int                id;
     uint32_t           debug;
diff --git a/hw/display/ssd0303.c b/hw/display/ssd0303.c
index c2eea04934..f6804fb51b 100644
--- a/hw/display/ssd0303.c
+++ b/hw/display/ssd0303.c
@@ -272,8 +272,7 @@ static const VMStateDescription vmstate_ssd0303 = {
     .name = "ssd0303_oled",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_INT32(row, ssd0303_state),
         VMSTATE_INT32(col, ssd0303_state),
         VMSTATE_INT32(start_line, ssd0303_state),
diff --git a/hw/display/ssd0323.c b/hw/display/ssd0323.c
index 971152edbd..97270077e2 100644
--- a/hw/display/ssd0323.c
+++ b/hw/display/ssd0323.c
@@ -312,18 +312,42 @@ static int ssd0323_load(QEMUFile *f, void *opaque, int version_id)
         return -EINVAL;
 
     s->cmd_len = qemu_get_be32(f);
+    if (s->cmd_len < 0 || s->cmd_len > ARRAY_SIZE(s->cmd_data)) {
+        return -EINVAL;
+    }
     s->cmd = qemu_get_be32(f);
     for (i = 0; i < 8; i++)
         s->cmd_data[i] = qemu_get_be32(f);
     s->row = qemu_get_be32(f);
+    if (s->row < 0 || s->row >= 80) {
+        return -EINVAL;
+    }
     s->row_start = qemu_get_be32(f);
+    if (s->row_start < 0 || s->row_start >= 80) {
+        return -EINVAL;
+    }
     s->row_end = qemu_get_be32(f);
+    if (s->row_end < 0 || s->row_end >= 80) {
+        return -EINVAL;
+    }
     s->col = qemu_get_be32(f);
+    if (s->col < 0 || s->col >= 64) {
+        return -EINVAL;
+    }
     s->col_start = qemu_get_be32(f);
+    if (s->col_start < 0 || s->col_start >= 64) {
+        return -EINVAL;
+    }
     s->col_end = qemu_get_be32(f);
+    if (s->col_end < 0 || s->col_end >= 64) {
+        return -EINVAL;
+    }
     s->redraw = qemu_get_be32(f);
     s->remap = qemu_get_be32(f);
     s->mode = qemu_get_be32(f);
+    if (s->mode != SSD0323_CMD && s->mode != SSD0323_DATA) {
+        return -EINVAL;
+    }
     qemu_get_buffer(f, s->framebuffer, sizeof(s->framebuffer));
 
     ss->cs = qemu_get_be32(f);
diff --git a/hw/display/tcx.c b/hw/display/tcx.c
index 2b37ffac4c..2551b677aa 100644
--- a/hw/display/tcx.c
+++ b/hw/display/tcx.c
@@ -416,9 +416,8 @@ static const VMStateDescription vmstate_tcx = {
     .name ="tcx",
     .version_id = 4,
     .minimum_version_id = 4,
-    .minimum_version_id_old = 4,
     .post_load = vmstate_tcx_post_load,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT16(height, TCXState),
         VMSTATE_UINT16(width, TCXState),
         VMSTATE_UINT16(depth, TCXState),
diff --git a/hw/display/vga-isa-mm.c b/hw/display/vga-isa-mm.c
index afc46b8c9d..4efc222789 100644
--- a/hw/display/vga-isa-mm.c
+++ b/hw/display/vga-isa-mm.c
@@ -132,7 +132,7 @@ int isa_vga_mm_init(hwaddr vram_base,
     s = g_malloc0(sizeof(*s));
 
     s->vga.vram_size_mb = VGA_RAM_SIZE >> 20;
-    vga_common_init(&s->vga, NULL);
+    vga_common_init(&s->vga, NULL, true);
     vga_mm_init(s, vram_base, ctrl_base, it_shift, address_space);
 
     s->vga.con = graphic_console_init(NULL, 0, s->vga.hw_ops, s);
diff --git a/hw/display/vga-isa.c b/hw/display/vga-isa.c
index 1d9ea6b51d..2b480bd44d 100644
--- a/hw/display/vga-isa.c
+++ b/hw/display/vga-isa.c
@@ -56,7 +56,7 @@ static void vga_isa_realizefn(DeviceState *dev, Error **errp)
     MemoryRegion *vga_io_memory;
     const MemoryRegionPortio *vga_ports, *vbe_ports;
 
-    vga_common_init(s, OBJECT(dev));
+    vga_common_init(s, OBJECT(dev), true);
     s->legacy_address_space = isa_address_space(isadev);
     vga_io_memory = vga_init_io(s, OBJECT(dev), &vga_ports, &vbe_ports);
     isa_register_portio_list(isadev, 0x3b0, vga_ports, s, "vga");
diff --git a/hw/display/vga-pci.c b/hw/display/vga-pci.c
index 574ea0e7f9..0865dc490e 100644
--- a/hw/display/vga-pci.c
+++ b/hw/display/vga-pci.c
@@ -147,7 +147,7 @@ static int pci_std_vga_initfn(PCIDevice *dev)
     VGACommonState *s = &d->vga;
 
     /* vga + console init */
-    vga_common_init(s, OBJECT(dev));
+    vga_common_init(s, OBJECT(dev), true);
     vga_init(s, OBJECT(dev), pci_address_space(dev), pci_address_space_io(dev),
              true);
 
@@ -179,12 +179,51 @@ static int pci_std_vga_initfn(PCIDevice *dev)
     return 0;
 }
 
+static int pci_secondary_vga_initfn(PCIDevice *dev)
+{
+    PCIVGAState *d = DO_UPCAST(PCIVGAState, dev, dev);
+    VGACommonState *s = &d->vga;
+
+    /* vga + console init */
+    vga_common_init(s, OBJECT(dev), false);
+    s->con = graphic_console_init(DEVICE(dev), 0, s->hw_ops, s);
+
+    /* mmio bar */
+    memory_region_init(&d->mmio, OBJECT(dev), "vga.mmio", 4096);
+    memory_region_init_io(&d->ioport, OBJECT(dev), &pci_vga_ioport_ops, d,
+                          "vga ioports remapped", PCI_VGA_IOPORT_SIZE);
+    memory_region_init_io(&d->bochs, OBJECT(dev), &pci_vga_bochs_ops, d,
+                          "bochs dispi interface", PCI_VGA_BOCHS_SIZE);
+
+    memory_region_add_subregion(&d->mmio, PCI_VGA_IOPORT_OFFSET,
+                                &d->ioport);
+    memory_region_add_subregion(&d->mmio, PCI_VGA_BOCHS_OFFSET,
+                                &d->bochs);
+
+    pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->vram);
+    pci_register_bar(&d->dev, 2, PCI_BASE_ADDRESS_SPACE_MEMORY, &d->mmio);
+
+    return 0;
+}
+
+static void pci_secondary_vga_reset(DeviceState *dev)
+{
+    PCIVGAState *d = DO_UPCAST(PCIVGAState, dev.qdev, dev);
+
+    vga_common_reset(&d->vga);
+}
+
 static Property vga_pci_properties[] = {
     DEFINE_PROP_UINT32("vgamem_mb", PCIVGAState, vga.vram_size_mb, 16),
     DEFINE_PROP_BIT("mmio", PCIVGAState, flags, PCI_VGA_FLAG_ENABLE_MMIO, true),
     DEFINE_PROP_END_OF_LIST(),
 };
 
+static Property secondary_pci_properties[] = {
+    DEFINE_PROP_UINT32("vgamem_mb", PCIVGAState, vga.vram_size_mb, 16),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
 static void vga_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
@@ -201,6 +240,20 @@ static void vga_class_init(ObjectClass *klass, void *data)
     set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
 }
 
+static void secondary_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+    k->init = pci_secondary_vga_initfn;
+    k->vendor_id = PCI_VENDOR_ID_QEMU;
+    k->device_id = PCI_DEVICE_ID_QEMU_VGA;
+    k->class_id = PCI_CLASS_DISPLAY_OTHER;
+    dc->vmsd = &vmstate_vga_pci;
+    dc->props = secondary_pci_properties;
+    dc->reset = pci_secondary_vga_reset;
+}
+
 static const TypeInfo vga_info = {
     .name          = "VGA",
     .parent        = TYPE_PCI_DEVICE,
@@ -208,9 +261,17 @@ static const TypeInfo vga_info = {
     .class_init    = vga_class_init,
 };
 
+static const TypeInfo secondary_info = {
+    .name          = "secondary-vga",
+    .parent        = TYPE_PCI_DEVICE,
+    .instance_size = sizeof(PCIVGAState),
+    .class_init    = secondary_class_init,
+};
+
 static void vga_register_types(void)
 {
     type_register_static(&vga_info);
+    type_register_static(&secondary_info);
 }
 
 type_init(vga_register_types)
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 063319d34d..8cd6afe83a 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -171,6 +171,10 @@ static void vga_update_memory_access(VGACommonState *s)
     MemoryRegion *region, *old_region = s->chain4_alias;
     hwaddr base, offset, size;
 
+    if (s->legacy_address_space == NULL) {
+        return;
+    }
+
     s->chain4_alias = NULL;
 
     if ((s->sr[VGA_SEQ_PLANE_WRITE] & VGA_SR02_ALL_PLANES) ==
@@ -2252,7 +2256,7 @@ static const GraphicHwOps vga_ops = {
     .text_update = vga_update_text,
 };
 
-void vga_common_init(VGACommonState *s, Object *obj)
+void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate)
 {
     int i, j, v, b;
 
@@ -2289,7 +2293,7 @@ void vga_common_init(VGACommonState *s, Object *obj)
 
     s->is_vbe_vmstate = 1;
     memory_region_init_ram(&s->vram, obj, "vga.vram", s->vram_size);
-    vmstate_register_ram_global(&s->vram);
+    vmstate_register_ram(&s->vram, global_vmstate ? NULL : DEVICE(obj));
     xen_register_framebuffer(&s->vram);
     s->vram_ptr = memory_region_get_ram_ptr(&s->vram);
     s->get_bpp = vga_get_bpp;
@@ -2351,8 +2355,6 @@ void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space,
 {
     MemoryRegion *vga_io_memory;
     const MemoryRegionPortio *vga_ports, *vbe_ports;
-    PortioList *vga_port_list = g_new(PortioList, 1);
-    PortioList *vbe_port_list = g_new(PortioList, 1);
 
     qemu_register_reset(vga_reset, s);
 
@@ -2367,13 +2369,13 @@ void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space,
                                         1);
     memory_region_set_coalescing(vga_io_memory);
     if (init_vga_ports) {
-        portio_list_init(vga_port_list, obj, vga_ports, s, "vga");
-        portio_list_set_flush_coalesced(vga_port_list);
-        portio_list_add(vga_port_list, address_space_io, 0x3b0);
+        portio_list_init(&s->vga_port_list, obj, vga_ports, s, "vga");
+        portio_list_set_flush_coalesced(&s->vga_port_list);
+        portio_list_add(&s->vga_port_list, address_space_io, 0x3b0);
     }
     if (vbe_ports) {
-        portio_list_init(vbe_port_list, obj, vbe_ports, s, "vbe");
-        portio_list_add(vbe_port_list, address_space_io, 0x1ce);
+        portio_list_init(&s->vbe_port_list, obj, vbe_ports, s, "vbe");
+        portio_list_add(&s->vbe_port_list, address_space_io, 0x1ce);
     }
 }
 
diff --git a/hw/display/vga_int.h b/hw/display/vga_int.h
index e6418906a7..5320abdc07 100644
--- a/hw/display/vga_int.h
+++ b/hw/display/vga_int.h
@@ -124,6 +124,8 @@ typedef struct VGACommonState {
     void (*get_resolution)(struct VGACommonState *s,
                         int *pwidth,
                         int *pheight);
+    PortioList vga_port_list;
+    PortioList vbe_port_list;
     /* bochs vbe state */
     uint16_t vbe_index;
     uint16_t vbe_regs[VBE_DISPI_INDEX_NB];
@@ -177,7 +179,7 @@ static inline int c6_to_8(int v)
     return (v << 2) | (b << 1) | b;
 }
 
-void vga_common_init(VGACommonState *s, Object *obj);
+void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate);
 void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space,
               MemoryRegion *address_space_io, bool init_vga_ports);
 MemoryRegion *vga_init_io(VGACommonState *s, Object *obj,
diff --git a/hw/display/vmware_vga.c b/hw/display/vmware_vga.c
index 6ae3348deb..9ba47e6c63 100644
--- a/hw/display/vmware_vga.c
+++ b/hw/display/vmware_vga.c
@@ -1207,7 +1207,7 @@ static void vmsvga_init(DeviceState *dev, struct vmsvga_state_s *s,
     vmstate_register_ram_global(&s->fifo_ram);
     s->fifo_ptr = memory_region_get_ram_ptr(&s->fifo_ram);
 
-    vga_common_init(&s->vga, OBJECT(dev));
+    vga_common_init(&s->vga, OBJECT(dev), true);
     vga_init(&s->vga, OBJECT(dev), address_space, io, true);
     vmstate_register(NULL, 0, &vmstate_vga_common, &s->vga);
     s->new_depth = 32;
diff --git a/hw/dma/i82374.c b/hw/dma/i82374.c
index dc7a767ee2..b8ad2e64ec 100644
--- a/hw/dma/i82374.c
+++ b/hw/dma/i82374.c
@@ -39,6 +39,7 @@ do { fprintf(stderr, "i82374 ERROR: " fmt , ## __VA_ARGS__); } while (0)
 typedef struct I82374State {
     uint8_t commands[8];
     qemu_irq out;
+    PortioList port_list;
 } I82374State;
 
 static const VMStateDescription vmstate_i82374 = {
@@ -137,10 +138,10 @@ static void i82374_isa_realize(DeviceState *dev, Error **errp)
 {
     ISAi82374State *isa = I82374(dev);
     I82374State *s = &isa->state;
-    PortioList *port_list = g_new(PortioList, 1);
 
-    portio_list_init(port_list, OBJECT(isa), i82374_portio_list, s, "i82374");
-    portio_list_add(port_list, isa_address_space_io(&isa->parent_obj),
+    portio_list_init(&s->port_list, OBJECT(isa), i82374_portio_list, s,
+                     "i82374");
+    portio_list_add(&s->port_list, isa_address_space_io(&isa->parent_obj),
                     isa->iobase);
 
     i82374_realize(s, errp);
diff --git a/hw/dma/omap_dma.c b/hw/dma/omap_dma.c
index 0e8cccd27f..0f35c42c05 100644
--- a/hw/dma/omap_dma.c
+++ b/hw/dma/omap_dma.c
@@ -973,7 +973,7 @@ static int omap_dma_ch_reg_write(struct omap_dma_s *s,
 
     case 0x22:	/* DMA_COLOR_U */
         ch->color &= 0xffff;
-        ch->color |= value << 16;
+        ch->color |= (uint32_t)value << 16;
         break;
 
     case 0x24:	/* DMA_CCR2 */
@@ -1043,7 +1043,7 @@ static int omap_dma_3_2_lcd_write(struct omap_dma_lcd_channel_s *s, int offset,
 
     case 0xbca:	/* TOP_B1_U */
         s->src_f1_top &= 0x0000ffff;
-        s->src_f1_top |= value << 16;
+        s->src_f1_top |= (uint32_t)value << 16;
         break;
 
     case 0xbcc:	/* BOT_B1_L */
@@ -1265,7 +1265,7 @@ static int omap_dma_3_1_lcd_write(struct omap_dma_lcd_channel_s *s, int offset,
 
     case 0x304:	/* SYS_DMA_LCD_TOP_F1_U */
         s->src_f1_top &= 0x0000ffff;
-        s->src_f1_top |= value << 16;
+        s->src_f1_top |= (uint32_t)value << 16;
         break;
 
     case 0x306:	/* SYS_DMA_LCD_BOT_F1_L */
@@ -1275,7 +1275,7 @@ static int omap_dma_3_1_lcd_write(struct omap_dma_lcd_channel_s *s, int offset,
 
     case 0x308:	/* SYS_DMA_LCD_BOT_F1_U */
         s->src_f1_bottom &= 0x0000ffff;
-        s->src_f1_bottom |= value << 16;
+        s->src_f1_bottom |= (uint32_t)value << 16;
         break;
 
     case 0x30a:	/* SYS_DMA_LCD_TOP_F2_L */
@@ -1285,7 +1285,7 @@ static int omap_dma_3_1_lcd_write(struct omap_dma_lcd_channel_s *s, int offset,
 
     case 0x30c:	/* SYS_DMA_LCD_TOP_F2_U */
         s->src_f2_top &= 0x0000ffff;
-        s->src_f2_top |= value << 16;
+        s->src_f2_top |= (uint32_t)value << 16;
         break;
 
     case 0x30e:	/* SYS_DMA_LCD_BOT_F2_L */
@@ -1295,7 +1295,7 @@ static int omap_dma_3_1_lcd_write(struct omap_dma_lcd_channel_s *s, int offset,
 
     case 0x310:	/* SYS_DMA_LCD_BOT_F2_U */
         s->src_f2_bottom &= 0x0000ffff;
-        s->src_f2_bottom |= value << 16;
+        s->src_f2_bottom |= (uint32_t)value << 16;
         break;
 
     default:
diff --git a/hw/dma/pl330.c b/hw/dma/pl330.c
index 608a58c47d..6b6eaaeb47 100644
--- a/hw/dma/pl330.c
+++ b/hw/dma/pl330.c
@@ -138,7 +138,6 @@ static const VMStateDescription vmstate_pl330_chan = {
     .name = "pl330_chan",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(src, PL330Chan),
         VMSTATE_UINT32(dst, PL330Chan),
@@ -170,7 +169,6 @@ static const VMStateDescription vmstate_pl330_fifo = {
     .name = "pl330_chan",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_VBUFFER_UINT32(buf, PL330Fifo, 1, NULL, 0, buf_size),
         VMSTATE_VBUFFER_UINT32(tag, PL330Fifo, 1, NULL, 0, buf_size),
@@ -195,7 +193,6 @@ static const VMStateDescription vmstate_pl330_queue_entry = {
     .name = "pl330_queue_entry",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(addr, PL330QueueEntry),
         VMSTATE_UINT32(len, PL330QueueEntry),
@@ -218,7 +215,6 @@ static const VMStateDescription vmstate_pl330_queue = {
     .name = "pl330_queue",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_STRUCT_VARRAY_UINT32(queue, PL330Queue, queue_size, 1,
                                  vmstate_pl330_queue_entry, PL330QueueEntry),
@@ -279,7 +275,6 @@ static const VMStateDescription vmstate_pl330 = {
     .name = "pl330",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_STRUCT(manager, PL330State, 0, vmstate_pl330_chan, PL330Chan),
         VMSTATE_STRUCT_VARRAY_UINT32(chan, PL330State, num_chnls, 0,
diff --git a/hw/dma/pxa2xx_dma.c b/hw/dma/pxa2xx_dma.c
index c013abb313..d4501fb4cb 100644
--- a/hw/dma/pxa2xx_dma.c
+++ b/hw/dma/pxa2xx_dma.c
@@ -514,7 +514,6 @@ static VMStateDescription vmstate_pxa2xx_dma_chan = {
     .name = "pxa2xx_dma_chan",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(descr, PXA2xxDMAChannel),
         VMSTATE_UINT32(src, PXA2xxDMAChannel),
@@ -530,7 +529,6 @@ static VMStateDescription vmstate_pxa2xx_dma = {
     .name = "pxa2xx_dma",
     .version_id = 1,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .fields = (VMStateField[]) {
         VMSTATE_UNUSED_TEST(is_version_0, 4),
         VMSTATE_UINT32(stopintr, PXA2xxDMAState),
diff --git a/hw/dma/sparc32_dma.c b/hw/dma/sparc32_dma.c
index eac338f1bc..e6a453ce5c 100644
--- a/hw/dma/sparc32_dma.c
+++ b/hw/dma/sparc32_dma.c
@@ -263,8 +263,7 @@ static const VMStateDescription vmstate_dma = {
     .name ="sparc32_dma",
     .version_id = 2,
     .minimum_version_id = 2,
-    .minimum_version_id_old = 2,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(dmaregs, DMAState, DMA_REGS),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/dma/sun4m_iommu.c b/hw/dma/sun4m_iommu.c
index 899d454353..ec7c2efcd9 100644
--- a/hw/dma/sun4m_iommu.c
+++ b/hw/dma/sun4m_iommu.c
@@ -327,8 +327,7 @@ static const VMStateDescription vmstate_iommu = {
     .name ="iommu",
     .version_id = 2,
     .minimum_version_id = 2,
-    .minimum_version_id_old = 2,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, IOMMUState, IOMMU_NREGS),
         VMSTATE_UINT64(iostart, IOMMUState),
         VMSTATE_END_OF_LIST()
diff --git a/hw/dma/xilinx_axidma.c b/hw/dma/xilinx_axidma.c
index 14b887bfa8..cc90eb5110 100644
--- a/hw/dma/xilinx_axidma.c
+++ b/hw/dma/xilinx_axidma.c
@@ -534,24 +534,24 @@ static void xilinx_axidma_realize(DeviceState *dev, Error **errp)
     XilinxAXIDMAStreamSlave *ds = XILINX_AXI_DMA_DATA_STREAM(&s->rx_data_dev);
     XilinxAXIDMAStreamSlave *cs = XILINX_AXI_DMA_CONTROL_STREAM(
                                                             &s->rx_control_dev);
-    Error *local_errp = NULL;
+    Error *local_err = NULL;
 
     object_property_add_link(OBJECT(ds), "dma", TYPE_XILINX_AXI_DMA,
                              (Object **)&ds->dma,
                              object_property_allow_set_link,
                              OBJ_PROP_LINK_UNREF_ON_RELEASE,
-                             &local_errp);
+                             &local_err);
     object_property_add_link(OBJECT(cs), "dma", TYPE_XILINX_AXI_DMA,
                              (Object **)&cs->dma,
                              object_property_allow_set_link,
                              OBJ_PROP_LINK_UNREF_ON_RELEASE,
-                             &local_errp);
-    if (local_errp) {
+                             &local_err);
+    if (local_err) {
         goto xilinx_axidma_realize_fail;
     }
-    object_property_set_link(OBJECT(ds), OBJECT(s), "dma", &local_errp);
-    object_property_set_link(OBJECT(cs), OBJECT(s), "dma", &local_errp);
-    if (local_errp) {
+    object_property_set_link(OBJECT(ds), OBJECT(s), "dma", &local_err);
+    object_property_set_link(OBJECT(cs), OBJECT(s), "dma", &local_err);
+    if (local_err) {
         goto xilinx_axidma_realize_fail;
     }
 
@@ -567,7 +567,7 @@ static void xilinx_axidma_realize(DeviceState *dev, Error **errp)
 
 xilinx_axidma_realize_fail:
     if (!*errp) {
-        *errp = local_errp;
+        *errp = local_err;
     }
 }
 
diff --git a/hw/gpio/max7310.c b/hw/gpio/max7310.c
index cfcd89ca2b..7fbf313ce8 100644
--- a/hw/gpio/max7310.c
+++ b/hw/gpio/max7310.c
@@ -152,8 +152,7 @@ static const VMStateDescription vmstate_max7310 = {
     .name = "max7310",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_INT32(i2c_command_byte, MAX7310State),
         VMSTATE_INT32(len, MAX7310State),
         VMSTATE_UINT8(level, MAX7310State),
diff --git a/hw/gpio/zaurus.c b/hw/gpio/zaurus.c
index dc79a8baa6..94083424f8 100644
--- a/hw/gpio/zaurus.c
+++ b/hw/gpio/zaurus.c
@@ -203,18 +203,27 @@ static bool is_version_0 (void *opaque, int version_id)
     return version_id == 0;
 }
 
+static bool vmstate_scoop_validate(void *opaque, int version_id)
+{
+    ScoopInfo *s = opaque;
+
+    return !(s->prev_level & 0xffff0000) &&
+        !(s->gpio_level & 0xffff0000) &&
+        !(s->gpio_dir & 0xffff0000);
+}
+
 static const VMStateDescription vmstate_scoop_regs = {
     .name = "scoop",
     .version_id = 1,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .post_load = scoop_post_load,
-    .fields = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT16(status, ScoopInfo),
         VMSTATE_UINT16(power, ScoopInfo),
         VMSTATE_UINT32(gpio_level, ScoopInfo),
         VMSTATE_UINT32(gpio_dir, ScoopInfo),
         VMSTATE_UINT32(prev_level, ScoopInfo),
+        VMSTATE_VALIDATE("irq levels are 16 bit", vmstate_scoop_validate),
         VMSTATE_UINT16(mcr, ScoopInfo),
         VMSTATE_UINT16(cdr, ScoopInfo),
         VMSTATE_UINT16(ccr, ScoopInfo),
diff --git a/hw/i2c/core.c b/hw/i2c/core.c
index efd8b4fafb..5a64026347 100644
--- a/hw/i2c/core.c
+++ b/hw/i2c/core.c
@@ -52,10 +52,9 @@ static const VMStateDescription vmstate_i2c_bus = {
     .name = "i2c_bus",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .pre_save = i2c_bus_pre_save,
     .post_load = i2c_bus_post_load,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT8(saved_address, I2CBus),
         VMSTATE_END_OF_LIST()
     }
@@ -194,9 +193,8 @@ const VMStateDescription vmstate_i2c_slave = {
     .name = "I2CSlave",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .post_load = i2c_slave_post_load,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT8(address, I2CSlave),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/i2c/pm_smbus.c b/hw/i2c/pm_smbus.c
index 9f50067735..fedb5fb4d4 100644
--- a/hw/i2c/pm_smbus.c
+++ b/hw/i2c/pm_smbus.c
@@ -60,59 +60,78 @@ static void smb_transaction(PMSMBus *s)
     uint8_t cmd = s->smb_cmd;
     uint8_t addr = s->smb_addr >> 1;
     I2CBus *bus = s->smbus;
+    int ret;
 
     SMBUS_DPRINTF("SMBus trans addr=0x%02x prot=0x%02x\n", addr, prot);
     /* Transaction isn't exec if STS_DEV_ERR bit set */
     if ((s->smb_stat & STS_DEV_ERR) != 0)  {
-            goto error;
-        }
+        goto error;
+    }
     switch(prot) {
     case 0x0:
-        smbus_quick_command(bus, addr, read);
-        s->smb_stat |= STS_BYTE_DONE | STS_INTR;
-        break;
+        ret = smbus_quick_command(bus, addr, read);
+        goto done;
     case 0x1:
         if (read) {
-            s->smb_data0 = smbus_receive_byte(bus, addr);
+            ret = smbus_receive_byte(bus, addr);
+            goto data8;
         } else {
-            smbus_send_byte(bus, addr, cmd);
+            ret = smbus_send_byte(bus, addr, cmd);
+            goto done;
         }
-        s->smb_stat |= STS_BYTE_DONE | STS_INTR;
-        break;
     case 0x2:
         if (read) {
-            s->smb_data0 = smbus_read_byte(bus, addr, cmd);
+            ret = smbus_read_byte(bus, addr, cmd);
+            goto data8;
         } else {
-            smbus_write_byte(bus, addr, cmd, s->smb_data0);
+            ret = smbus_write_byte(bus, addr, cmd, s->smb_data0);
+            goto done;
         }
-        s->smb_stat |= STS_BYTE_DONE | STS_INTR;
         break;
     case 0x3:
         if (read) {
-            uint16_t val;
-            val = smbus_read_word(bus, addr, cmd);
-            s->smb_data0 = val;
-            s->smb_data1 = val >> 8;
+            ret = smbus_read_word(bus, addr, cmd);
+            goto data16;
         } else {
-            smbus_write_word(bus, addr, cmd, (s->smb_data1 << 8) | s->smb_data0);
+            ret = smbus_write_word(bus, addr, cmd, (s->smb_data1 << 8) | s->smb_data0);
+            goto done;
         }
-        s->smb_stat |= STS_BYTE_DONE | STS_INTR;
         break;
     case 0x5:
         if (read) {
-            s->smb_data0 = smbus_read_block(bus, addr, cmd, s->smb_data);
+            ret = smbus_read_block(bus, addr, cmd, s->smb_data);
+            goto data8;
         } else {
-            smbus_write_block(bus, addr, cmd, s->smb_data, s->smb_data0);
+            ret = smbus_write_block(bus, addr, cmd, s->smb_data, s->smb_data0);
+            goto done;
         }
-        s->smb_stat |= STS_BYTE_DONE | STS_INTR;
         break;
     default:
         goto error;
     }
+    abort();
+
+data16:
+    if (ret < 0) {
+        goto error;
+    }
+    s->smb_data1 = ret >> 8;
+data8:
+    if (ret < 0) {
+        goto error;
+    }
+    s->smb_data0 = ret;
+done:
+    if (ret < 0) {
+        goto error;
+    }
+    s->smb_stat |= STS_BYTE_DONE | STS_INTR;
     return;
 
-  error:
+error:
     s->smb_stat |= STS_DEV_ERR;
+    return;
+
 }
 
 static void smb_ioport_writeb(void *opaque, hwaddr addr, uint64_t val,
diff --git a/hw/i2c/smbus.c b/hw/i2c/smbus.c
index 3febf3c258..6e27ae8bd2 100644
--- a/hw/i2c/smbus.c
+++ b/hw/i2c/smbus.c
@@ -208,34 +208,44 @@ static int smbus_device_init(I2CSlave *i2c)
 }
 
 /* Master device commands.  */
-void smbus_quick_command(I2CBus *bus, uint8_t addr, int read)
+int smbus_quick_command(I2CBus *bus, uint8_t addr, int read)
 {
-    i2c_start_transfer(bus, addr, read);
+    if (i2c_start_transfer(bus, addr, read)) {
+        return -1;
+    }
     i2c_end_transfer(bus);
+    return 0;
 }
 
-uint8_t smbus_receive_byte(I2CBus *bus, uint8_t addr)
+int smbus_receive_byte(I2CBus *bus, uint8_t addr)
 {
     uint8_t data;
 
-    i2c_start_transfer(bus, addr, 1);
+    if (i2c_start_transfer(bus, addr, 1)) {
+        return -1;
+    }
     data = i2c_recv(bus);
     i2c_nack(bus);
     i2c_end_transfer(bus);
     return data;
 }
 
-void smbus_send_byte(I2CBus *bus, uint8_t addr, uint8_t data)
+int smbus_send_byte(I2CBus *bus, uint8_t addr, uint8_t data)
 {
-    i2c_start_transfer(bus, addr, 0);
+    if (i2c_start_transfer(bus, addr, 0)) {
+        return -1;
+    }
     i2c_send(bus, data);
     i2c_end_transfer(bus);
+    return 0;
 }
 
-uint8_t smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command)
+int smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command)
 {
     uint8_t data;
-    i2c_start_transfer(bus, addr, 0);
+    if (i2c_start_transfer(bus, addr, 0)) {
+        return -1;
+    }
     i2c_send(bus, command);
     i2c_start_transfer(bus, addr, 1);
     data = i2c_recv(bus);
@@ -244,18 +254,23 @@ uint8_t smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command)
     return data;
 }
 
-void smbus_write_byte(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t data)
+int smbus_write_byte(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t data)
 {
-    i2c_start_transfer(bus, addr, 0);
+    if (i2c_start_transfer(bus, addr, 0)) {
+        return -1;
+    }
     i2c_send(bus, command);
     i2c_send(bus, data);
     i2c_end_transfer(bus);
+    return 0;
 }
 
-uint16_t smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command)
+int smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command)
 {
     uint16_t data;
-    i2c_start_transfer(bus, addr, 0);
+    if (i2c_start_transfer(bus, addr, 0)) {
+        return -1;
+    }
     i2c_send(bus, command);
     i2c_start_transfer(bus, addr, 1);
     data = i2c_recv(bus);
@@ -265,13 +280,16 @@ uint16_t smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command)
     return data;
 }
 
-void smbus_write_word(I2CBus *bus, uint8_t addr, uint8_t command, uint16_t data)
+int smbus_write_word(I2CBus *bus, uint8_t addr, uint8_t command, uint16_t data)
 {
-    i2c_start_transfer(bus, addr, 0);
+    if (i2c_start_transfer(bus, addr, 0)) {
+        return -1;
+    }
     i2c_send(bus, command);
     i2c_send(bus, data & 0xff);
     i2c_send(bus, data >> 8);
     i2c_end_transfer(bus);
+    return 0;
 }
 
 int smbus_read_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data)
@@ -279,33 +297,41 @@ int smbus_read_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data)
     int len;
     int i;
 
-    i2c_start_transfer(bus, addr, 0);
+    if (i2c_start_transfer(bus, addr, 0)) {
+        return -1;
+    }
     i2c_send(bus, command);
     i2c_start_transfer(bus, addr, 1);
     len = i2c_recv(bus);
-    if (len > 32)
+    if (len > 32) {
         len = 0;
-    for (i = 0; i < len; i++)
+    }
+    for (i = 0; i < len; i++) {
         data[i] = i2c_recv(bus);
+    }
     i2c_nack(bus);
     i2c_end_transfer(bus);
     return len;
 }
 
-void smbus_write_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data,
-                       int len)
+int smbus_write_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data,
+                      int len)
 {
     int i;
 
     if (len > 32)
         len = 32;
 
-    i2c_start_transfer(bus, addr, 0);
+    if (i2c_start_transfer(bus, addr, 0)) {
+        return -1;
+    }
     i2c_send(bus, command);
     i2c_send(bus, len);
-    for (i = 0; i < len; i++)
+    for (i = 0; i < len; i++) {
         i2c_send(bus, data[i]);
+    }
     i2c_end_transfer(bus);
+    return 0;
 }
 
 static void smbus_device_class_init(ObjectClass *klass, void *data)
diff --git a/hw/i2c/smbus_ich9.c b/hw/i2c/smbus_ich9.c
index 295b62ed29..0803dc4d18 100644
--- a/hw/i2c/smbus_ich9.c
+++ b/hw/i2c/smbus_ich9.c
@@ -48,7 +48,6 @@ static const VMStateDescription vmstate_ich9_smbus = {
     .name = "ich9_smb",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_PCI_DEVICE(dev, struct ICH9SMBState),
         VMSTATE_END_OF_LIST()
diff --git a/hw/i386/Makefile.objs b/hw/i386/Makefile.objs
index 3df1612651..f66c349508 100644
--- a/hw/i386/Makefile.objs
+++ b/hw/i386/Makefile.objs
@@ -2,7 +2,7 @@ obj-$(CONFIG_KVM) += kvm/
 obj-y += multiboot.o smbios.o
 obj-y += pc.o pc_piix.o pc_q35.o
 obj-y += pc_sysfw.o
-obj-$(CONFIG_XEN) += xen_domainbuild.o xen_machine_pv.o
+obj-$(CONFIG_XEN) += ../xenpv/ xen/
 
 obj-y += kvmvapic.o
 obj-y += acpi-build.o
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index c98df88cd2..9fac589033 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -156,18 +156,21 @@ static void acpi_get_pm_info(AcpiPmInfo *pm)
     } else {
         pm->s3_disabled = false;
     }
+    qobject_decref(o);
     o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_DISABLED, NULL);
     if (o) {
         pm->s4_disabled = qint_get_int(qobject_to_qint(o));
     } else {
         pm->s4_disabled = false;
     }
+    qobject_decref(o);
     o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_VAL, NULL);
     if (o) {
         pm->s4_val = qint_get_int(qobject_to_qint(o));
     } else {
         pm->s4_val = false;
     }
+    qobject_decref(o);
 
     /* Fill in mandatory properties */
     pm->sci_int = object_property_get_int(obj, ACPI_PM_PROP_SCI_INT, NULL);
@@ -973,6 +976,7 @@ static void build_pci_bus_end(PCIBus *bus, void *bus_state)
         }
     }
 
+    qobject_decref(bsel);
     build_free_array(bus_table);
     build_pci_bus_state_cleanup(child);
     g_free(child);
@@ -1362,10 +1366,12 @@ static bool acpi_get_mcfg(AcpiMcfgInfo *mcfg)
         return false;
     }
     mcfg->mcfg_base = qint_get_int(qobject_to_qint(o));
+    qobject_decref(o);
 
     o = object_property_get_qobject(pci_host, PCIE_HOST_MCFG_SIZE, NULL);
     assert(o);
     mcfg->mcfg_size = qint_get_int(qobject_to_qint(o));
+    qobject_decref(o);
     return true;
 }
 
@@ -1410,15 +1416,16 @@ void acpi_build(PcGuestInfo *guest_info, AcpiBuildTables *tables)
     /* ACPI tables pointed to by RSDT */
     acpi_add_table(table_offsets, tables->table_data);
     build_fadt(tables->table_data, tables->linker, &pm, facs, dsdt);
-    acpi_add_table(table_offsets, tables->table_data);
 
+    acpi_add_table(table_offsets, tables->table_data);
     build_ssdt(tables->table_data, tables->linker, &cpu, &pm, &misc, &pci,
                guest_info);
-    acpi_add_table(table_offsets, tables->table_data);
 
-    build_madt(tables->table_data, tables->linker, &cpu, guest_info);
     acpi_add_table(table_offsets, tables->table_data);
+    build_madt(tables->table_data, tables->linker, &cpu, guest_info);
+
     if (misc.has_hpet) {
+        acpi_add_table(table_offsets, tables->table_data);
         build_hpet(tables->table_data, tables->linker);
     }
     if (guest_info->numa_nodes) {
diff --git a/hw/i386/kvm/pci-assign.c b/hw/i386/kvm/pci-assign.c
index a825871d8a..de33657563 100644
--- a/hw/i386/kvm/pci-assign.c
+++ b/hw/i386/kvm/pci-assign.c
@@ -394,9 +394,10 @@ static uint8_t pci_find_cap_offset(PCIDevice *d, uint8_t cap, uint8_t start)
     return 0;
 }
 
-static int assigned_dev_register_regions(PCIRegion *io_regions,
-                                         unsigned long regions_num,
-                                         AssignedDevice *pci_dev)
+static void assigned_dev_register_regions(PCIRegion *io_regions,
+                                          unsigned long regions_num,
+                                          AssignedDevice *pci_dev,
+                                          Error **errp)
 {
     uint32_t i;
     PCIRegion *cur_region = io_regions;
@@ -425,9 +426,9 @@ static int assigned_dev_register_regions(PCIRegion *io_regions,
 
             if (pci_dev->v_addrs[i].u.r_virtbase == MAP_FAILED) {
                 pci_dev->v_addrs[i].u.r_virtbase = NULL;
-                error_report("%s: Error: Couldn't mmap 0x%" PRIx64 "!",
-                             __func__, cur_region->base_addr);
-                return -1;
+                error_setg_errno(errp, errno, "Couldn't mmap 0x%" PRIx64 "!",
+                                 cur_region->base_addr);
+                return;
             }
 
             pci_dev->v_addrs[i].r_size = cur_region->size;
@@ -496,10 +497,10 @@ static int assigned_dev_register_regions(PCIRegion *io_regions,
     }
 
     /* success */
-    return 0;
 }
 
-static int get_real_id(const char *devpath, const char *idname, uint16_t *val)
+static void get_real_id(const char *devpath, const char *idname, uint16_t *val,
+                        Error **errp)
 {
     FILE *f;
     char name[128];
@@ -508,39 +509,39 @@ static int get_real_id(const char *devpath, const char *idname, uint16_t *val)
     snprintf(name, sizeof(name), "%s%s", devpath, idname);
     f = fopen(name, "r");
     if (f == NULL) {
-        error_report("%s: %s: %m", __func__, name);
-        return -1;
+        error_setg_file_open(errp, errno, name);
+        return;
     }
     if (fscanf(f, "%li\n", &id) == 1) {
         *val = id;
     } else {
-        fclose(f);
-        return -1;
+        error_setg(errp, "Failed to parse contents of '%s'", name);
     }
     fclose(f);
-
-    return 0;
 }
 
-static int get_real_vendor_id(const char *devpath, uint16_t *val)
+static void get_real_vendor_id(const char *devpath, uint16_t *val,
+                               Error **errp)
 {
-    return get_real_id(devpath, "vendor", val);
+    get_real_id(devpath, "vendor", val, errp);
 }
 
-static int get_real_device_id(const char *devpath, uint16_t *val)
+static void get_real_device_id(const char *devpath, uint16_t *val,
+                               Error **errp)
 {
-    return get_real_id(devpath, "device", val);
+    get_real_id(devpath, "device", val, errp);
 }
 
-static int get_real_device(AssignedDevice *pci_dev)
+static void get_real_device(AssignedDevice *pci_dev, Error **errp)
 {
     char dir[128], name[128];
-    int fd, r = 0, v;
+    int fd, r = 0;
     FILE *f;
     uint64_t start, end, size, flags;
     uint16_t id;
     PCIRegion *rp;
     PCIDevRegions *dev = &pci_dev->real_device;
+    Error *local_err = NULL;
 
     dev->region_number = 0;
 
@@ -551,16 +552,19 @@ static int get_real_device(AssignedDevice *pci_dev)
     snprintf(name, sizeof(name), "%sconfig", dir);
 
     if (pci_dev->configfd_name && *pci_dev->configfd_name) {
-        dev->config_fd = monitor_handle_fd_param(cur_mon, pci_dev->configfd_name);
-        if (dev->config_fd < 0) {
-            return 1;
+        dev->config_fd = monitor_handle_fd_param2(cur_mon,
+                                                  pci_dev->configfd_name,
+                                                  &local_err);
+        if (local_err) {
+            error_propagate(errp, local_err);
+            return;
         }
     } else {
         dev->config_fd = open(name, O_RDWR);
 
         if (dev->config_fd == -1) {
-            error_report("%s: %s: %m", __func__, name);
-            return 1;
+            error_setg_file_open(errp, errno, name);
+            return;
         }
     }
 again:
@@ -570,7 +574,10 @@ again:
         if (errno == EINTR || errno == EAGAIN) {
             goto again;
         }
-        error_report("%s: read failed, errno = %d", __func__, errno);
+        error_setg_errno(errp, errno, "read(\"%s\")",
+                         (pci_dev->configfd_name && *pci_dev->configfd_name) ?
+                         pci_dev->configfd_name : name);
+        return;
     }
 
     /* Restore or clear multifunction, this is always controlled by qemu */
@@ -590,8 +597,8 @@ again:
 
     f = fopen(name, "r");
     if (f == NULL) {
-        error_report("%s: %s: %m", __func__, name);
-        return 1;
+        error_setg_file_open(errp, errno, name);
+        return;
     }
 
     for (r = 0; r < PCI_ROM_SLOT; r++) {
@@ -634,17 +641,19 @@ again:
     fclose(f);
 
     /* read and fill vendor ID */
-    v = get_real_vendor_id(dir, &id);
-    if (v) {
-        return 1;
+    get_real_vendor_id(dir, &id, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
+        return;
     }
     pci_dev->dev.config[0] = id & 0xff;
     pci_dev->dev.config[1] = (id & 0xff00) >> 8;
 
     /* read and fill device ID */
-    v = get_real_device_id(dir, &id);
-    if (v) {
-        return 1;
+    get_real_device_id(dir, &id, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
+        return;
     }
     pci_dev->dev.config[2] = id & 0xff;
     pci_dev->dev.config[3] = (id & 0xff00) >> 8;
@@ -653,7 +662,6 @@ again:
                                  PCI_COMMAND_MASTER | PCI_COMMAND_INTX_DISABLE);
 
     dev->region_number = r;
-    return 0;
 }
 
 static void free_msi_virqs(AssignedDevice *dev)
@@ -726,11 +734,17 @@ static void free_assigned_device(AssignedDevice *dev)
     free_msi_virqs(dev);
 }
 
-static void assign_failed_examine(AssignedDevice *dev)
+/* This function tries to determine the cause of the PCI assignment failure. It
+ * always returns the cause as a dynamically allocated, human readable string.
+ * If the function fails to determine the cause for any internal reason, then
+ * the returned string will state that fact.
+ */
+static char *assign_failed_examine(const AssignedDevice *dev)
 {
     char name[PATH_MAX], dir[PATH_MAX], driver[PATH_MAX] = {}, *ns;
     uint16_t vendor_id, device_id;
     int r;
+    Error *local_err = NULL;
 
     snprintf(dir, sizeof(dir), "/sys/bus/pci/devices/%04x:%02x:%02x.%01x/",
             dev->host.domain, dev->host.bus, dev->host.slot,
@@ -751,13 +765,17 @@ static void assign_failed_examine(AssignedDevice *dev)
 
     ns++;
 
-    if (get_real_vendor_id(dir, &vendor_id) ||
-        get_real_device_id(dir, &device_id)) {
+    if ((get_real_vendor_id(dir, &vendor_id, &local_err), local_err) ||
+        (get_real_device_id(dir, &device_id, &local_err), local_err)) {
+        /* We're already analyzing an assignment error, so we suppress this
+         * one just like the others above.
+         */
+        error_free(local_err);
         goto fail;
     }
 
-    error_printf("*** The driver '%s' is occupying your device "
-        "%04x:%02x:%02x.%x.\n"
+    return g_strdup_printf(
+        "*** The driver '%s' is occupying your device %04x:%02x:%02x.%x.\n"
         "***\n"
         "*** You can try the following commands to free it:\n"
         "***\n"
@@ -773,13 +791,11 @@ static void assign_failed_examine(AssignedDevice *dev)
         ns, dev->host.domain, dev->host.bus, dev->host.slot,
         dev->host.function, vendor_id, device_id);
 
-    return;
-
 fail:
-    error_report("Couldn't find out why.");
+    return g_strdup("Couldn't find out why.");
 }
 
-static int assign_device(AssignedDevice *dev)
+static void assign_device(AssignedDevice *dev, Error **errp)
 {
     uint32_t flags = KVM_DEV_ASSIGN_ENABLE_IOMMU;
     int r;
@@ -787,15 +803,15 @@ static int assign_device(AssignedDevice *dev)
     /* Only pass non-zero PCI segment to capable module */
     if (!kvm_check_extension(kvm_state, KVM_CAP_PCI_SEGMENT) &&
         dev->host.domain) {
-        error_report("Can't assign device inside non-zero PCI segment "
-                     "as this KVM module doesn't support it.");
-        return -ENODEV;
+        error_setg(errp, "Can't assign device inside non-zero PCI segment "
+                   "as this KVM module doesn't support it.");
+        return;
     }
 
     if (!kvm_check_extension(kvm_state, KVM_CAP_IOMMU)) {
-        error_report("No IOMMU found.  Unable to assign device \"%s\"",
-                     dev->dev.qdev.id);
-        return -ENODEV;
+        error_setg(errp, "No IOMMU found.  Unable to assign device \"%s\"",
+                   dev->dev.qdev.id);
+        return;
     }
 
     if (dev->features & ASSIGNED_DEVICE_SHARE_INTX_MASK &&
@@ -805,36 +821,39 @@ static int assign_device(AssignedDevice *dev)
 
     r = kvm_device_pci_assign(kvm_state, &dev->host, flags, &dev->dev_id);
     if (r < 0) {
-        error_report("Failed to assign device \"%s\" : %s",
-                     dev->dev.qdev.id, strerror(-r));
-
         switch (r) {
-        case -EBUSY:
-            assign_failed_examine(dev);
+        case -EBUSY: {
+            char *cause;
+
+            cause = assign_failed_examine(dev);
+            error_setg_errno(errp, -r, "Failed to assign device \"%s\"\n%s",
+                             dev->dev.qdev.id, cause);
+            g_free(cause);
             break;
+        }
         default:
+            error_setg_errno(errp, -r, "Failed to assign device \"%s\"",
+                             dev->dev.qdev.id);
             break;
         }
     }
-    return r;
 }
 
-static bool check_irqchip_in_kernel(void)
+static void verify_irqchip_in_kernel(Error **errp)
 {
     if (kvm_irqchip_in_kernel()) {
-        return true;
+        return;
     }
-    error_report("pci-assign: error: requires KVM with in-kernel irqchip "
-                 "enabled");
-    return false;
+    error_setg(errp, "pci-assign requires KVM with in-kernel irqchip enabled");
 }
 
-static int assign_intx(AssignedDevice *dev)
+static int assign_intx(AssignedDevice *dev, Error **errp)
 {
     AssignedIRQType new_type;
     PCIINTxRoute intx_route;
     bool intx_host_msi;
     int r;
+    Error *local_err = NULL;
 
     /* Interrupt PIN 0 means don't use INTx */
     if (assigned_dev_pci_read_byte(&dev->dev, PCI_INTERRUPT_PIN) == 0) {
@@ -842,7 +861,9 @@ static int assign_intx(AssignedDevice *dev)
         return 0;
     }
 
-    if (!check_irqchip_in_kernel()) {
+    verify_irqchip_in_kernel(&local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
         return -ENOTSUP;
     }
 
@@ -905,10 +926,11 @@ retry:
             dev->features |= ASSIGNED_DEVICE_PREFER_MSI_MASK;
             goto retry;
         }
-        error_report("Failed to assign irq for \"%s\": %s",
-                     dev->dev.qdev.id, strerror(-r));
-        error_report("Perhaps you are assigning a device "
-                     "that shares an IRQ with another device?");
+        error_setg_errno(errp, -r,
+                         "Failed to assign irq for \"%s\"\n"
+                         "Perhaps you are assigning a device "
+                         "that shares an IRQ with another device?",
+                         dev->dev.qdev.id);
         return r;
     }
 
@@ -934,8 +956,11 @@ static void assigned_dev_update_irq_routing(PCIDevice *dev)
     Error *err = NULL;
     int r;
 
-    r = assign_intx(assigned_dev);
+    r = assign_intx(assigned_dev, &err);
     if (r < 0) {
+        error_report("%s", error_get_pretty(err));
+        error_free(err);
+        err = NULL;
         qdev_unplug(&dev->qdev, &err);
         assert(!err);
     }
@@ -986,7 +1011,13 @@ static void assigned_dev_update_msi(PCIDevice *pci_dev)
         assigned_dev->intx_route.irq = -1;
         assigned_dev->assigned_irq_type = ASSIGNED_IRQ_MSI;
     } else {
-        assign_intx(assigned_dev);
+        Error *local_err = NULL;
+
+        assign_intx(assigned_dev, &local_err);
+        if (local_err) {
+            error_report("%s", error_get_pretty(local_err));
+            error_free(local_err);
+        }
     }
 }
 
@@ -1128,7 +1159,13 @@ static void assigned_dev_update_msix(PCIDevice *pci_dev)
         assigned_dev->intx_route.irq = -1;
         assigned_dev->assigned_irq_type = ASSIGNED_IRQ_MSIX;
     } else {
-        assign_intx(assigned_dev);
+        Error *local_err = NULL;
+
+        assign_intx(assigned_dev, &local_err);
+        if (local_err) {
+            error_report("%s", error_get_pretty(local_err));
+            error_free(local_err);
+        }
     }
 }
 
@@ -1214,11 +1251,12 @@ static void assigned_dev_setup_cap_read(AssignedDevice *dev, uint32_t offset,
     assigned_dev_emulate_config_read(dev, offset + PCI_CAP_LIST_NEXT, 1);
 }
 
-static int assigned_device_pci_cap_init(PCIDevice *pci_dev)
+static int assigned_device_pci_cap_init(PCIDevice *pci_dev, Error **errp)
 {
     AssignedDevice *dev = DO_UPCAST(AssignedDevice, dev, pci_dev);
     PCIRegion *pci_region = dev->real_device.regions;
     int ret, pos;
+    Error *local_err = NULL;
 
     /* Clear initial capabilities pointer and status copied from hw */
     pci_set_byte(pci_dev->config + PCI_CAPABILITY_LIST, 0);
@@ -1230,13 +1268,17 @@ static int assigned_device_pci_cap_init(PCIDevice *pci_dev)
      * MSI capability is the 1st capability in capability config */
     pos = pci_find_cap_offset(pci_dev, PCI_CAP_ID_MSI, 0);
     if (pos != 0 && kvm_check_extension(kvm_state, KVM_CAP_ASSIGN_DEV_IRQ)) {
-        if (!check_irqchip_in_kernel()) {
+        verify_irqchip_in_kernel(&local_err);
+        if (local_err) {
+            error_propagate(errp, local_err);
             return -ENOTSUP;
         }
         dev->cap.available |= ASSIGNED_DEVICE_CAP_MSI;
         /* Only 32-bit/no-mask currently supported */
-        ret = pci_add_capability(pci_dev, PCI_CAP_ID_MSI, pos, 10);
+        ret = pci_add_capability2(pci_dev, PCI_CAP_ID_MSI, pos, 10,
+                                  &local_err);
         if (ret < 0) {
+            error_propagate(errp, local_err);
             return ret;
         }
         pci_dev->msi_cap = pos;
@@ -1258,20 +1300,26 @@ static int assigned_device_pci_cap_init(PCIDevice *pci_dev)
     if (pos != 0 && kvm_device_msix_supported(kvm_state)) {
         int bar_nr;
         uint32_t msix_table_entry;
+        uint16_t msix_max;
 
-        if (!check_irqchip_in_kernel()) {
+        verify_irqchip_in_kernel(&local_err);
+        if (local_err) {
+            error_propagate(errp, local_err);
             return -ENOTSUP;
         }
         dev->cap.available |= ASSIGNED_DEVICE_CAP_MSIX;
-        ret = pci_add_capability(pci_dev, PCI_CAP_ID_MSIX, pos, 12);
+        ret = pci_add_capability2(pci_dev, PCI_CAP_ID_MSIX, pos, 12,
+                                  &local_err);
         if (ret < 0) {
+            error_propagate(errp, local_err);
             return ret;
         }
         pci_dev->msix_cap = pos;
 
-        pci_set_word(pci_dev->config + pos + PCI_MSIX_FLAGS,
-                     pci_get_word(pci_dev->config + pos + PCI_MSIX_FLAGS) &
-                     PCI_MSIX_FLAGS_QSIZE);
+        msix_max = (pci_get_word(pci_dev->config + pos + PCI_MSIX_FLAGS) &
+                    PCI_MSIX_FLAGS_QSIZE) + 1;
+        msix_max = MIN(msix_max, KVM_MAX_MSIX_PER_DEV);
+        pci_set_word(pci_dev->config + pos + PCI_MSIX_FLAGS, msix_max - 1);
 
         /* Only enable and function mask bits are writable */
         pci_set_word(pci_dev->wmask + pos + PCI_MSIX_FLAGS,
@@ -1281,9 +1329,7 @@ static int assigned_device_pci_cap_init(PCIDevice *pci_dev)
         bar_nr = msix_table_entry & PCI_MSIX_FLAGS_BIRMASK;
         msix_table_entry &= ~PCI_MSIX_FLAGS_BIRMASK;
         dev->msix_table_addr = pci_region[bar_nr].base_addr + msix_table_entry;
-        dev->msix_max = pci_get_word(pci_dev->config + pos + PCI_MSIX_FLAGS);
-        dev->msix_max &= PCI_MSIX_FLAGS_QSIZE;
-        dev->msix_max += 1;
+        dev->msix_max = msix_max;
     }
 
     /* Minimal PM support, nothing writable, device appears to NAK changes */
@@ -1291,8 +1337,10 @@ static int assigned_device_pci_cap_init(PCIDevice *pci_dev)
     if (pos) {
         uint16_t pmc;
 
-        ret = pci_add_capability(pci_dev, PCI_CAP_ID_PM, pos, PCI_PM_SIZEOF);
+        ret = pci_add_capability2(pci_dev, PCI_CAP_ID_PM, pos, PCI_PM_SIZEOF,
+                                  &local_err);
         if (ret < 0) {
+            error_propagate(errp, local_err);
             return ret;
         }
 
@@ -1330,8 +1378,8 @@ static int assigned_device_pci_cap_init(PCIDevice *pci_dev)
              */
             size = MIN(0x3c, PCI_CONFIG_SPACE_SIZE - pos);
             if (size < 0x34) {
-                error_report("%s: Invalid size PCIe cap-id 0x%x",
-                             __func__, PCI_CAP_ID_EXP);
+                error_setg(errp, "Invalid size PCIe cap-id 0x%x",
+                           PCI_CAP_ID_EXP);
                 return -EINVAL;
             } else if (size != 0x3c) {
                 error_report("WARNING, %s: PCIe cap-id 0x%x has "
@@ -1352,13 +1400,15 @@ static int assigned_device_pci_cap_init(PCIDevice *pci_dev)
         }
 
         if (size == 0) {
-            error_report("%s: Unsupported PCI express capability version %d",
-                         __func__, version);
+            error_setg(errp, "Unsupported PCI express capability version %d",
+                       version);
             return -EINVAL;
         }
 
-        ret = pci_add_capability(pci_dev, PCI_CAP_ID_EXP, pos, size);
+        ret = pci_add_capability2(pci_dev, PCI_CAP_ID_EXP, pos, size,
+                                  &local_err);
         if (ret < 0) {
+            error_propagate(errp, local_err);
             return ret;
         }
 
@@ -1368,8 +1418,8 @@ static int assigned_device_pci_cap_init(PCIDevice *pci_dev)
         type = (type & PCI_EXP_FLAGS_TYPE) >> 4;
         if (type != PCI_EXP_TYPE_ENDPOINT &&
             type != PCI_EXP_TYPE_LEG_END && type != PCI_EXP_TYPE_RC_END) {
-            error_report("Device assignment only supports endpoint assignment,"
-                         " device type %d", type);
+            error_setg(errp, "Device assignment only supports endpoint "
+                       "assignment, device type %d", type);
             return -EINVAL;
         }
 
@@ -1431,8 +1481,10 @@ static int assigned_device_pci_cap_init(PCIDevice *pci_dev)
         uint32_t status;
 
         /* Only expose the minimum, 8 byte capability */
-        ret = pci_add_capability(pci_dev, PCI_CAP_ID_PCIX, pos, 8);
+        ret = pci_add_capability2(pci_dev, PCI_CAP_ID_PCIX, pos, 8,
+                                  &local_err);
         if (ret < 0) {
+            error_propagate(errp, local_err);
             return ret;
         }
 
@@ -1457,8 +1509,10 @@ static int assigned_device_pci_cap_init(PCIDevice *pci_dev)
     pos = pci_find_cap_offset(pci_dev, PCI_CAP_ID_VPD, 0);
     if (pos) {
         /* Direct R/W passthrough */
-        ret = pci_add_capability(pci_dev, PCI_CAP_ID_VPD, pos, 8);
+        ret = pci_add_capability2(pci_dev, PCI_CAP_ID_VPD, pos, 8,
+                                  &local_err);
         if (ret < 0) {
+            error_propagate(errp, local_err);
             return ret;
         }
 
@@ -1473,8 +1527,10 @@ static int assigned_device_pci_cap_init(PCIDevice *pci_dev)
         pos += PCI_CAP_LIST_NEXT) {
         uint8_t len = pci_get_byte(pci_dev->config + pos + PCI_CAP_FLAGS);
         /* Direct R/W passthrough */
-        ret = pci_add_capability(pci_dev, PCI_CAP_ID_VNDR, pos, len);
+        ret = pci_add_capability2(pci_dev, PCI_CAP_ID_VNDR, pos, len,
+                                  &local_err);
         if (ret < 0) {
+            error_propagate(errp, local_err);
             return ret;
         }
 
@@ -1602,20 +1658,20 @@ static void assigned_dev_msix_reset(AssignedDevice *dev)
     }
 }
 
-static int assigned_dev_register_msix_mmio(AssignedDevice *dev)
+static void assigned_dev_register_msix_mmio(AssignedDevice *dev, Error **errp)
 {
     dev->msix_table = mmap(NULL, MSIX_PAGE_SIZE, PROT_READ|PROT_WRITE,
                            MAP_ANONYMOUS|MAP_PRIVATE, 0, 0);
     if (dev->msix_table == MAP_FAILED) {
-        error_report("fail allocate msix_table! %s", strerror(errno));
-        return -EFAULT;
+        error_setg_errno(errp, errno, "failed to allocate msix_table");
+        dev->msix_table = NULL;
+        return;
     }
 
     assigned_dev_msix_reset(dev);
 
     memory_region_init_io(&dev->mmio, OBJECT(dev), &assigned_dev_msix_mmio_ops,
                           dev, "assigned-dev-msix", MSIX_PAGE_SIZE);
-    return 0;
 }
 
 static void assigned_dev_unregister_msix_mmio(AssignedDevice *dev)
@@ -1698,16 +1754,17 @@ static int assigned_initfn(struct PCIDevice *pci_dev)
     AssignedDevice *dev = DO_UPCAST(AssignedDevice, dev, pci_dev);
     uint8_t e_intx;
     int r;
+    Error *local_err = NULL;
 
     if (!kvm_enabled()) {
-        error_report("pci-assign: error: requires KVM support");
-        return -1;
+        error_setg(&local_err, "pci-assign requires KVM support");
+        goto exit_with_error;
     }
 
     if (!dev->host.domain && !dev->host.bus && !dev->host.slot &&
         !dev->host.function) {
-        error_report("pci-assign: error: no host device specified");
-        return -1;
+        error_setg(&local_err, "no host device specified");
+        goto exit_with_error;
     }
 
     /*
@@ -1730,27 +1787,28 @@ static int assigned_initfn(struct PCIDevice *pci_dev)
     memcpy(dev->emulate_config_write, dev->emulate_config_read,
            sizeof(dev->emulate_config_read));
 
-    if (get_real_device(dev)) {
-        error_report("pci-assign: Error: Couldn't get real device (%s)!",
-                     dev->dev.qdev.id);
+    get_real_device(dev, &local_err);
+    if (local_err) {
         goto out;
     }
 
-    if (assigned_device_pci_cap_init(pci_dev) < 0) {
+    if (assigned_device_pci_cap_init(pci_dev, &local_err) < 0) {
         goto out;
     }
 
     /* intercept MSI-X entry page in the MMIO */
     if (dev->cap.available & ASSIGNED_DEVICE_CAP_MSIX) {
-        if (assigned_dev_register_msix_mmio(dev)) {
+        assigned_dev_register_msix_mmio(dev, &local_err);
+        if (local_err) {
             goto out;
         }
     }
 
     /* handle real device's MMIO/PIO BARs */
-    if (assigned_dev_register_regions(dev->real_device.regions,
-                                      dev->real_device.region_number,
-                                      dev)) {
+    assigned_dev_register_regions(dev->real_device.regions,
+                                  dev->real_device.region_number, dev,
+                                  &local_err);
+    if (local_err) {
         goto out;
     }
 
@@ -1761,13 +1819,13 @@ static int assigned_initfn(struct PCIDevice *pci_dev)
     dev->intx_route.irq = -1;
 
     /* assign device to guest */
-    r = assign_device(dev);
-    if (r < 0) {
+    assign_device(dev, &local_err);
+    if (local_err) {
         goto out;
     }
 
     /* assign legacy INTx to the device */
-    r = assign_intx(dev);
+    r = assign_intx(dev, &local_err);
     if (r < 0) {
         goto assigned_out;
     }
@@ -1780,8 +1838,14 @@ static int assigned_initfn(struct PCIDevice *pci_dev)
 
 assigned_out:
     deassign_device(dev);
+
 out:
     free_assigned_device(dev);
+
+exit_with_error:
+    assert(local_err);
+    qerror_report_err(local_err);
+    error_free(local_err);
     return -1;
 }
 
diff --git a/hw/i386/kvmvapic.c b/hw/i386/kvmvapic.c
index a1c3d1cb85..a967b48965 100644
--- a/hw/i386/kvmvapic.c
+++ b/hw/i386/kvmvapic.c
@@ -124,14 +124,14 @@ static const TPRInstruction tpr_instr[] = {
 
 static void read_guest_rom_state(VAPICROMState *s)
 {
-    cpu_physical_memory_rw(s->rom_state_paddr, (void *)&s->rom_state,
-                           sizeof(GuestROMState), 0);
+    cpu_physical_memory_read(s->rom_state_paddr, &s->rom_state,
+                             sizeof(GuestROMState));
 }
 
 static void write_guest_rom_state(VAPICROMState *s)
 {
-    cpu_physical_memory_rw(s->rom_state_paddr, (void *)&s->rom_state,
-                           sizeof(GuestROMState), 1);
+    cpu_physical_memory_write(s->rom_state_paddr, &s->rom_state,
+                              sizeof(GuestROMState));
 }
 
 static void update_guest_rom_state(VAPICROMState *s)
@@ -311,16 +311,14 @@ static int update_rom_mapping(VAPICROMState *s, CPUX86State *env, target_ulong i
     for (pos = le32_to_cpu(s->rom_state.fixup_start);
          pos < le32_to_cpu(s->rom_state.fixup_end);
          pos += 4) {
-        cpu_physical_memory_rw(paddr + pos - s->rom_state.vaddr,
-                               (void *)&offset, sizeof(offset), 0);
+        cpu_physical_memory_read(paddr + pos - s->rom_state.vaddr,
+                                 &offset, sizeof(offset));
         offset = le32_to_cpu(offset);
-        cpu_physical_memory_rw(paddr + offset, (void *)&patch,
-                               sizeof(patch), 0);
+        cpu_physical_memory_read(paddr + offset, &patch, sizeof(patch));
         patch = le32_to_cpu(patch);
         patch += rom_state_vaddr - le32_to_cpu(s->rom_state.vaddr);
         patch = cpu_to_le32(patch);
-        cpu_physical_memory_rw(paddr + offset, (void *)&patch,
-                               sizeof(patch), 1);
+        cpu_physical_memory_write(paddr + offset, &patch, sizeof(patch));
     }
     read_guest_rom_state(s);
     s->vapic_paddr = paddr + le32_to_cpu(s->rom_state.vapic_vaddr) -
@@ -364,8 +362,8 @@ static int vapic_enable(VAPICROMState *s, X86CPU *cpu)
     }
     vapic_paddr = s->vapic_paddr +
         (((hwaddr)cpu_number) << VAPIC_CPU_SHIFT);
-    cpu_physical_memory_rw(vapic_paddr + offsetof(VAPICState, enabled),
-                           (void *)&enabled, sizeof(enabled), 1);
+    cpu_physical_memory_write(vapic_paddr + offsetof(VAPICState, enabled),
+                              &enabled, sizeof(enabled));
     apic_enable_vapic(cpu->apic_state, vapic_paddr);
 
     s->state = VAPIC_ACTIVE;
@@ -535,7 +533,7 @@ static int patch_hypercalls(VAPICROMState *s)
     uint8_t *rom;
 
     rom = g_malloc(s->rom_size);
-    cpu_physical_memory_rw(rom_paddr, rom, s->rom_size, 0);
+    cpu_physical_memory_read(rom_paddr, rom, s->rom_size);
 
     for (pos = 0; pos < s->rom_size - sizeof(vmcall_pattern); pos++) {
         if (kvm_irqchip_in_kernel()) {
@@ -551,8 +549,7 @@ static int patch_hypercalls(VAPICROMState *s)
         }
         if (memcmp(rom + pos, pattern, 7) == 0 &&
             (rom[pos + 7] == alternates[0] || rom[pos + 7] == alternates[1])) {
-            cpu_physical_memory_rw(rom_paddr + pos + 5, (uint8_t *)patch,
-                                   3, 1);
+            cpu_physical_memory_write(rom_paddr + pos + 5, patch, 3);
             /*
              * Don't flush the tb here. Under ordinary conditions, the patched
              * calls are miles away from the current IP. Under malicious
@@ -760,8 +757,8 @@ static int vapic_post_load(void *opaque, int version_id)
             run_on_cpu(first_cpu, do_vapic_enable, s);
         } else {
             zero = g_malloc0(s->rom_state.vapic_size);
-            cpu_physical_memory_rw(s->vapic_paddr, zero,
-                                   s->rom_state.vapic_size, 1);
+            cpu_physical_memory_write(s->vapic_paddr, zero,
+                                      s->rom_state.vapic_size);
             g_free(zero);
         }
     }
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 14f0d91f76..e6369d5be6 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -471,11 +471,12 @@ static void port92_write(void *opaque, hwaddr addr, uint64_t val,
                          unsigned size)
 {
     Port92State *s = opaque;
+    int oldval = s->outport;
 
     DPRINTF("port92: write 0x%02x\n", val);
     s->outport = val;
     qemu_set_irq(*s->a20_out, (val >> 1) & 1);
-    if (val & 1) {
+    if ((val & 1) && !(oldval & 1)) {
         qemu_system_reset_request();
     }
 }
@@ -612,6 +613,21 @@ int e820_add_entry(uint64_t address, uint64_t length, uint32_t type)
     return e820_entries;
 }
 
+int e820_get_num_entries(void)
+{
+    return e820_entries;
+}
+
+bool e820_get_entry(int idx, uint32_t type, uint64_t *address, uint64_t *length)
+{
+    if (idx < e820_entries && e820_table[idx].type == cpu_to_le32(type)) {
+        *address = le64_to_cpu(e820_table[idx].address);
+        *length = le64_to_cpu(e820_table[idx].length);
+        return true;
+    }
+    return false;
+}
+
 /* Calculates the limit to CPU APIC ID values
  *
  * This function returns the limit for the APIC ID value, so that all
@@ -627,8 +643,8 @@ static unsigned int pc_apic_id_limit(unsigned int max_cpus)
 static FWCfgState *bochs_bios_init(void)
 {
     FWCfgState *fw_cfg;
-    uint8_t *smbios_table;
-    size_t smbios_len;
+    uint8_t *smbios_tables, *smbios_anchor;
+    size_t smbios_tables_len, smbios_anchor_len;
     uint64_t *numa_fw_cfg;
     int i, j;
     unsigned int apic_id_limit = pc_apic_id_limit(max_cpus);
@@ -655,10 +671,21 @@ static FWCfgState *bochs_bios_init(void)
                      acpi_tables, acpi_tables_len);
     fw_cfg_add_i32(fw_cfg, FW_CFG_IRQ0_OVERRIDE, kvm_allows_irq0_override());
 
-    smbios_table = smbios_get_table(&smbios_len);
-    if (smbios_table)
+    smbios_tables = smbios_get_table_legacy(&smbios_tables_len);
+    if (smbios_tables) {
         fw_cfg_add_bytes(fw_cfg, FW_CFG_SMBIOS_ENTRIES,
-                         smbios_table, smbios_len);
+                         smbios_tables, smbios_tables_len);
+    }
+
+    smbios_get_tables(&smbios_tables, &smbios_tables_len,
+                      &smbios_anchor, &smbios_anchor_len);
+    if (smbios_anchor) {
+        fw_cfg_add_file(fw_cfg, "etc/smbios/smbios-tables",
+                        smbios_tables, smbios_tables_len);
+        fw_cfg_add_file(fw_cfg, "etc/smbios/smbios-anchor",
+                        smbios_anchor, smbios_anchor_len);
+    }
+
     fw_cfg_add_bytes(fw_cfg, FW_CFG_E820_TABLE,
                      &e820_reserve, sizeof(e820_reserve));
     fw_cfg_add_file(fw_cfg, "etc/e820", e820_table,
@@ -1027,6 +1054,9 @@ void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge)
         sysbus_mmio_map_overlap(SYS_BUS_DEVICE(icc_bridge), 0,
                                 APIC_DEFAULT_ADDRESS, 0x1000);
     }
+
+    /* tell smbios about cpuid version and features */
+    smbios_set_cpuid(cpu->env.cpuid_version, cpu->env.features[FEAT_1_EDX]);
 }
 
 /* pci-info ROM file. Little endian format */
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 7930a26c1e..eaf3e61994 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -60,7 +60,8 @@ static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
 
 static bool has_pci_info;
 static bool has_acpi_build = true;
-static bool smbios_type1_defaults = true;
+static bool smbios_defaults = true;
+static bool smbios_legacy_mode;
 /* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to
  * host addresses aligned at 1Gbyte boundaries.  This way we can use 1GByte
  * pages in the host.
@@ -143,10 +144,10 @@ static void pc_init1(QEMUMachineInitArgs *args,
     guest_info->has_pci_info = has_pci_info;
     guest_info->isapc_ram_fw = !pci_enabled;
 
-    if (smbios_type1_defaults) {
+    if (smbios_defaults) {
         /* These values are guest ABI, do not change */
-        smbios_set_type1_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)",
-                                  args->machine->name);
+        smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)",
+                            args->machine->name, smbios_legacy_mode);
     }
 
     /* allocate ram and load rom/bios */
@@ -262,9 +263,15 @@ static void pc_init_pci(QEMUMachineInitArgs *args)
     pc_init1(args, 1, 1);
 }
 
+static void pc_compat_2_0(QEMUMachineInitArgs *args)
+{
+    smbios_legacy_mode = true;
+}
+
 static void pc_compat_1_7(QEMUMachineInitArgs *args)
 {
-    smbios_type1_defaults = false;
+    pc_compat_2_0(args);
+    smbios_defaults = false;
     gigabyte_align = false;
     option_rom_has_mr = true;
     x86_cpu_compat_disable_kvm_features(FEAT_1_ECX, CPUID_EXT_X2APIC);
@@ -303,6 +310,12 @@ static void pc_compat_1_2(QEMUMachineInitArgs *args)
     x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
 }
 
+static void pc_init_pci_2_0(QEMUMachineInitArgs *args)
+{
+    pc_compat_2_0(args);
+    pc_init_pci(args);
+}
+
 static void pc_init_pci_1_7(QEMUMachineInitArgs *args)
 {
     pc_compat_1_7(args);
@@ -345,7 +358,7 @@ static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
 {
     has_pci_info = false;
     has_acpi_build = false;
-    smbios_type1_defaults = false;
+    smbios_defaults = false;
     x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
     enable_compat_apic_id_mode();
     pc_init1(args, 1, 0);
@@ -355,7 +368,7 @@ static void pc_init_isa(QEMUMachineInitArgs *args)
 {
     has_pci_info = false;
     has_acpi_build = false;
-    smbios_type1_defaults = false;
+    smbios_defaults = false;
     if (!args->cpu_model) {
         args->cpu_model = "486";
     }
@@ -383,18 +396,30 @@ static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
     .desc = "Standard PC (i440FX + PIIX, 1996)", \
     .hot_add_cpu = pc_hot_add_cpu
 
-#define PC_I440FX_2_0_MACHINE_OPTIONS                           \
+#define PC_I440FX_2_1_MACHINE_OPTIONS                           \
     PC_I440FX_MACHINE_OPTIONS,                                  \
     .default_machine_opts = "firmware=bios-256k.bin"
 
-static QEMUMachine pc_i440fx_machine_v2_0 = {
-    PC_I440FX_2_0_MACHINE_OPTIONS,
-    .name = "pc-i440fx-2.0",
+static QEMUMachine pc_i440fx_machine_v2_1 = {
+    PC_I440FX_2_1_MACHINE_OPTIONS,
+    .name = "pc-i440fx-2.1",
     .alias = "pc",
     .init = pc_init_pci,
     .is_default = 1,
 };
 
+#define PC_I440FX_2_0_MACHINE_OPTIONS PC_I440FX_2_1_MACHINE_OPTIONS
+
+static QEMUMachine pc_i440fx_machine_v2_0 = {
+    PC_I440FX_2_0_MACHINE_OPTIONS,
+    .name = "pc-i440fx-2.0",
+    .init = pc_init_pci_2_0,
+    .compat_props = (GlobalProperty[]) {
+        PC_COMPAT_2_0,
+        { /* end of list */ }
+    },
+};
+
 #define PC_I440FX_1_7_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
 
 static QEMUMachine pc_i440fx_machine_v1_7 = {
@@ -817,6 +842,7 @@ static QEMUMachine xenfv_machine = {
 
 static void pc_machine_init(void)
 {
+    qemu_register_machine(&pc_i440fx_machine_v2_1);
     qemu_register_machine(&pc_i440fx_machine_v2_0);
     qemu_register_machine(&pc_i440fx_machine_v1_7);
     qemu_register_machine(&pc_i440fx_machine_v1_6);
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index c844dc2a9f..9517ec653f 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -50,7 +50,8 @@
 
 static bool has_pci_info;
 static bool has_acpi_build = true;
-static bool smbios_type1_defaults = true;
+static bool smbios_defaults = true;
+static bool smbios_legacy_mode;
 /* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to
  * host addresses aligned at 1Gbyte boundaries.  This way we can use 1GByte
  * pages in the host.
@@ -130,10 +131,10 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
     guest_info->isapc_ram_fw = false;
     guest_info->has_acpi_build = has_acpi_build;
 
-    if (smbios_type1_defaults) {
+    if (smbios_defaults) {
         /* These values are guest ABI, do not change */
-        smbios_set_type1_defaults("QEMU", "Standard PC (Q35 + ICH9, 2009)",
-                                  args->machine->name);
+        smbios_set_defaults("QEMU", "Standard PC (Q35 + ICH9, 2009)",
+                            args->machine->name, smbios_legacy_mode);
     }
 
     /* allocate ram and load rom/bios */
@@ -240,9 +241,15 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
     }
 }
 
+static void pc_compat_2_0(QEMUMachineInitArgs *args)
+{
+    smbios_legacy_mode = true;
+}
+
 static void pc_compat_1_7(QEMUMachineInitArgs *args)
 {
-    smbios_type1_defaults = false;
+    pc_compat_2_0(args);
+    smbios_defaults = false;
     gigabyte_align = false;
     option_rom_has_mr = true;
     x86_cpu_compat_disable_kvm_features(FEAT_1_ECX, CPUID_EXT_X2APIC);
@@ -268,6 +275,12 @@ static void pc_compat_1_4(QEMUMachineInitArgs *args)
     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
 }
 
+static void pc_q35_init_2_0(QEMUMachineInitArgs *args)
+{
+    pc_compat_2_0(args);
+    pc_q35_init(args);
+}
+
 static void pc_q35_init_1_7(QEMUMachineInitArgs *args)
 {
     pc_compat_1_7(args);
@@ -297,15 +310,27 @@ static void pc_q35_init_1_4(QEMUMachineInitArgs *args)
     .desc = "Standard PC (Q35 + ICH9, 2009)", \
     .hot_add_cpu = pc_hot_add_cpu
 
-#define PC_Q35_2_0_MACHINE_OPTIONS                      \
+#define PC_Q35_2_1_MACHINE_OPTIONS                      \
     PC_Q35_MACHINE_OPTIONS,                             \
     .default_machine_opts = "firmware=bios-256k.bin"
 
+static QEMUMachine pc_q35_machine_v2_1 = {
+    PC_Q35_2_1_MACHINE_OPTIONS,
+    .name = "pc-q35-2.1",
+    .alias = "q35",
+    .init = pc_q35_init,
+};
+
+#define PC_Q35_2_0_MACHINE_OPTIONS PC_Q35_2_1_MACHINE_OPTIONS
+
 static QEMUMachine pc_q35_machine_v2_0 = {
     PC_Q35_2_0_MACHINE_OPTIONS,
     .name = "pc-q35-2.0",
-    .alias = "q35",
-    .init = pc_q35_init,
+    .init = pc_q35_init_2_0,
+    .compat_props = (GlobalProperty[]) {
+        PC_Q35_COMPAT_2_0,
+        { /* end of list */ }
+    },
 };
 
 #define PC_Q35_1_7_MACHINE_OPTIONS PC_Q35_MACHINE_OPTIONS
@@ -358,6 +383,7 @@ static QEMUMachine pc_q35_machine_v1_4 = {
 
 static void pc_q35_machine_init(void)
 {
+    qemu_register_machine(&pc_q35_machine_v2_1);
     qemu_register_machine(&pc_q35_machine_v2_0);
     qemu_register_machine(&pc_q35_machine_v1_7);
     qemu_register_machine(&pc_q35_machine_v1_6);
diff --git a/hw/i386/smbios.c b/hw/i386/smbios.c
index e8f41ad435..76607181c3 100644
--- a/hw/i386/smbios.c
+++ b/hw/i386/smbios.c
@@ -18,12 +18,13 @@
 #include "qemu/config-file.h"
 #include "qemu/error-report.h"
 #include "sysemu/sysemu.h"
+#include "sysemu/cpus.h"
+#include "hw/i386/pc.h"
 #include "hw/i386/smbios.h"
 #include "hw/loader.h"
 
-/*
- * Structures shared with the BIOS
- */
+
+/* legacy structures and constants for <= 2.0 machines */
 struct smbios_header {
     uint16_t length;
     uint8_t type;
@@ -46,14 +47,23 @@ struct smbios_table {
 
 static uint8_t *smbios_entries;
 static size_t smbios_entries_len;
+static bool smbios_legacy = true;
+/* end: legacy structures & constants for <= 2.0 machines */
+
+
+static uint8_t *smbios_tables;
+static size_t smbios_tables_len;
+static unsigned smbios_table_max;
+static unsigned smbios_table_cnt;
+static struct smbios_entry_point ep;
+
 static int smbios_type4_count = 0;
 static bool smbios_immutable;
+static bool smbios_have_defaults;
+static uint32_t smbios_cpuid_version, smbios_cpuid_features, smbios_smp_sockets;
 
-static struct {
-    bool seen;
-    int headertype;
-    Location loc;
-} first_opt[2];
+static DECLARE_BITMAP(have_binfile_bitmap, SMBIOS_MAX_TYPE+1);
+static DECLARE_BITMAP(have_fields_bitmap, SMBIOS_MAX_TYPE+1);
 
 static struct {
     const char *vendor, *version, *date;
@@ -66,6 +76,22 @@ static struct {
     /* uuid is in qemu_uuid[] */
 } type1;
 
+static struct {
+    const char *manufacturer, *product, *version, *serial, *asset, *location;
+} type2;
+
+static struct {
+    const char *manufacturer, *version, *serial, *asset, *sku;
+} type3;
+
+static struct {
+    const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
+} type4;
+
+static struct {
+    const char *loc_pfx, *bank, *manufacturer, *serial, *asset, *part;
+} type17;
+
 static QemuOptsList qemu_smbios_opts = {
     .name = "smbios",
     .head = QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts.head),
@@ -149,6 +175,134 @@ static const QemuOptDesc qemu_smbios_type1_opts[] = {
     { /* end of list */ }
 };
 
+static const QemuOptDesc qemu_smbios_type2_opts[] = {
+    {
+        .name = "type",
+        .type = QEMU_OPT_NUMBER,
+        .help = "SMBIOS element type",
+    },{
+        .name = "manufacturer",
+        .type = QEMU_OPT_STRING,
+        .help = "manufacturer name",
+    },{
+        .name = "product",
+        .type = QEMU_OPT_STRING,
+        .help = "product name",
+    },{
+        .name = "version",
+        .type = QEMU_OPT_STRING,
+        .help = "version number",
+    },{
+        .name = "serial",
+        .type = QEMU_OPT_STRING,
+        .help = "serial number",
+    },{
+        .name = "asset",
+        .type = QEMU_OPT_STRING,
+        .help = "asset tag number",
+    },{
+        .name = "location",
+        .type = QEMU_OPT_STRING,
+        .help = "location in chassis",
+    },
+    { /* end of list */ }
+};
+
+static const QemuOptDesc qemu_smbios_type3_opts[] = {
+    {
+        .name = "type",
+        .type = QEMU_OPT_NUMBER,
+        .help = "SMBIOS element type",
+    },{
+        .name = "manufacturer",
+        .type = QEMU_OPT_STRING,
+        .help = "manufacturer name",
+    },{
+        .name = "version",
+        .type = QEMU_OPT_STRING,
+        .help = "version number",
+    },{
+        .name = "serial",
+        .type = QEMU_OPT_STRING,
+        .help = "serial number",
+    },{
+        .name = "asset",
+        .type = QEMU_OPT_STRING,
+        .help = "asset tag number",
+    },{
+        .name = "sku",
+        .type = QEMU_OPT_STRING,
+        .help = "SKU number",
+    },
+    { /* end of list */ }
+};
+
+static const QemuOptDesc qemu_smbios_type4_opts[] = {
+    {
+        .name = "type",
+        .type = QEMU_OPT_NUMBER,
+        .help = "SMBIOS element type",
+    },{
+        .name = "sock_pfx",
+        .type = QEMU_OPT_STRING,
+        .help = "socket designation string prefix",
+    },{
+        .name = "manufacturer",
+        .type = QEMU_OPT_STRING,
+        .help = "manufacturer name",
+    },{
+        .name = "version",
+        .type = QEMU_OPT_STRING,
+        .help = "version number",
+    },{
+        .name = "serial",
+        .type = QEMU_OPT_STRING,
+        .help = "serial number",
+    },{
+        .name = "asset",
+        .type = QEMU_OPT_STRING,
+        .help = "asset tag number",
+    },{
+        .name = "part",
+        .type = QEMU_OPT_STRING,
+        .help = "part number",
+    },
+    { /* end of list */ }
+};
+
+static const QemuOptDesc qemu_smbios_type17_opts[] = {
+    {
+        .name = "type",
+        .type = QEMU_OPT_NUMBER,
+        .help = "SMBIOS element type",
+    },{
+        .name = "loc_pfx",
+        .type = QEMU_OPT_STRING,
+        .help = "device locator string prefix",
+    },{
+        .name = "bank",
+        .type = QEMU_OPT_STRING,
+        .help = "bank locator string",
+    },{
+        .name = "manufacturer",
+        .type = QEMU_OPT_STRING,
+        .help = "manufacturer name",
+    },{
+        .name = "serial",
+        .type = QEMU_OPT_STRING,
+        .help = "serial number",
+    },{
+        .name = "asset",
+        .type = QEMU_OPT_STRING,
+        .help = "asset tag number",
+    },{
+        .name = "part",
+        .type = QEMU_OPT_STRING,
+        .help = "part number",
+    },
+    { /* end of list */ }
+};
+
 static void smbios_register_config(void)
 {
     qemu_add_opts(&qemu_smbios_opts);
@@ -158,35 +312,17 @@ machine_init(smbios_register_config);
 
 static void smbios_validate_table(void)
 {
-    if (smbios_type4_count && smbios_type4_count != smp_cpus) {
-        error_report("Number of SMBIOS Type 4 tables must match cpu count");
+    uint32_t expect_t4_count = smbios_legacy ? smp_cpus : smbios_smp_sockets;
+
+    if (smbios_type4_count && smbios_type4_count != expect_t4_count) {
+        error_report("Expected %d SMBIOS Type 4 tables, got %d instead",
+                     expect_t4_count, smbios_type4_count);
         exit(1);
     }
 }
 
-/*
- * To avoid unresolvable overlaps in data, don't allow both
- * tables and fields for the same smbios type.
- */
-static void smbios_check_collision(int type, int entry)
-{
-    if (type < ARRAY_SIZE(first_opt)) {
-        if (first_opt[type].seen) {
-            if (first_opt[type].headertype != entry) {
-                error_report("Can't mix file= and type= for same type");
-                loc_push_restore(&first_opt[type].loc);
-                error_report("This is the conflicting setting");
-                loc_pop(&first_opt[type].loc);
-                exit(1);
-            }
-        } else {
-            first_opt[type].seen = true;
-            first_opt[type].headertype = entry;
-            loc_save(&first_opt[type].loc);
-        }
-    }
-}
 
+/* legacy setup functions for <= 2.0 machines */
 static void smbios_add_field(int type, int offset, const void *data, size_t len)
 {
     struct smbios_field *field;
@@ -256,22 +392,13 @@ static void smbios_build_type_1_fields(void)
     }
 }
 
-void smbios_set_type1_defaults(const char *manufacturer,
-                               const char *product, const char *version)
+uint8_t *smbios_get_table_legacy(size_t *length)
 {
-    if (!type1.manufacturer) {
-        type1.manufacturer = manufacturer;
-    }
-    if (!type1.product) {
-        type1.product = product;
-    }
-    if (!type1.version) {
-        type1.version = version;
+    if (!smbios_legacy) {
+        *length = 0;
+        return NULL;
     }
-}
 
-uint8_t *smbios_get_table(size_t *length)
-{
     if (!smbios_immutable) {
         smbios_build_type_0_fields();
         smbios_build_type_1_fields();
@@ -281,6 +408,458 @@ uint8_t *smbios_get_table(size_t *length)
     *length = smbios_entries_len;
     return smbios_entries;
 }
+/* end: legacy setup functions for <= 2.0 machines */
+
+
+static bool smbios_skip_table(uint8_t type, bool required_table)
+{
+    if (test_bit(type, have_binfile_bitmap)) {
+        return true; /* user provided their own binary blob(s) */
+    }
+    if (test_bit(type, have_fields_bitmap)) {
+        return false; /* user provided fields via command line */
+    }
+    if (smbios_have_defaults && required_table) {
+        return false; /* we're building tables, and this one's required */
+    }
+    return true;
+}
+
+#define SMBIOS_BUILD_TABLE_PRE(tbl_type, tbl_handle, tbl_required)        \
+    struct smbios_type_##tbl_type *t;                                     \
+    size_t t_off; /* table offset into smbios_tables */                   \
+    int str_index = 0;                                                    \
+    do {                                                                  \
+        /* should we skip building this table ? */                        \
+        if (smbios_skip_table(tbl_type, tbl_required)) {                  \
+            return;                                                       \
+        }                                                                 \
+                                                                          \
+        /* use offset of table t within smbios_tables */                  \
+        /* (pointer must be updated after each realloc) */                \
+        t_off = smbios_tables_len;                                        \
+        smbios_tables_len += sizeof(*t);                                  \
+        smbios_tables = g_realloc(smbios_tables, smbios_tables_len);      \
+        t = (struct smbios_type_##tbl_type *)(smbios_tables + t_off);     \
+                                                                          \
+        t->header.type = tbl_type;                                        \
+        t->header.length = sizeof(*t);                                    \
+        t->header.handle = tbl_handle;                                    \
+    } while (0)
+
+#define SMBIOS_TABLE_SET_STR(tbl_type, field, value)                      \
+    do {                                                                  \
+        int len = (value != NULL) ? strlen(value) + 1 : 0;                \
+        if (len > 1) {                                                    \
+            smbios_tables = g_realloc(smbios_tables,                      \
+                                      smbios_tables_len + len);           \
+            memcpy(smbios_tables + smbios_tables_len, value, len);        \
+            smbios_tables_len += len;                                     \
+            /* update pointer post-realloc */                             \
+            t = (struct smbios_type_##tbl_type *)(smbios_tables + t_off); \
+            t->field = ++str_index;                                       \
+        } else {                                                          \
+            t->field = 0;                                                 \
+        }                                                                 \
+    } while (0)
+
+#define SMBIOS_BUILD_TABLE_POST                                           \
+    do {                                                                  \
+        size_t term_cnt, t_size;                                          \
+                                                                          \
+        /* add '\0' terminator (add two if no strings defined) */         \
+        term_cnt = (str_index == 0) ? 2 : 1;                              \
+        smbios_tables = g_realloc(smbios_tables,                          \
+                                  smbios_tables_len + term_cnt);          \
+        memset(smbios_tables + smbios_tables_len, 0, term_cnt);           \
+        smbios_tables_len += term_cnt;                                    \
+                                                                          \
+        /* update smbios max. element size */                             \
+        t_size = smbios_tables_len - t_off;                               \
+        if (t_size > smbios_table_max) {                                  \
+            smbios_table_max = t_size;                                    \
+        }                                                                 \
+                                                                          \
+        /* update smbios element count */                                 \
+        smbios_table_cnt++;                                               \
+    } while (0)
+
+static void smbios_build_type_0_table(void)
+{
+    SMBIOS_BUILD_TABLE_PRE(0, 0x000, false); /* optional, leave up to BIOS */
+
+    SMBIOS_TABLE_SET_STR(0, vendor_str, type0.vendor);
+    SMBIOS_TABLE_SET_STR(0, bios_version_str, type0.version);
+
+    t->bios_starting_address_segment = 0xE800; /* hardcoded in SeaBIOS */
+
+    SMBIOS_TABLE_SET_STR(0, bios_release_date_str, type0.date);
+
+    t->bios_rom_size = 0; /* hardcoded in SeaBIOS with FIXME comment */
+
+    /* BIOS characteristics not supported */
+    memset(t->bios_characteristics, 0, 8);
+    t->bios_characteristics[0] = 0x08;
+
+    /* Enable targeted content distribution (needed for SVVP, per SeaBIOS) */
+    t->bios_characteristics_extension_bytes[0] = 0;
+    t->bios_characteristics_extension_bytes[1] = 4;
+
+    if (type0.have_major_minor) {
+        t->system_bios_major_release = type0.major;
+        t->system_bios_minor_release = type0.minor;
+    } else {
+        t->system_bios_major_release = 0;
+        t->system_bios_minor_release = 0;
+    }
+
+    /* hardcoded in SeaBIOS */
+    t->embedded_controller_major_release = 0xFF;
+    t->embedded_controller_minor_release = 0xFF;
+
+    SMBIOS_BUILD_TABLE_POST;
+}
+
+static void smbios_build_type_1_table(void)
+{
+    SMBIOS_BUILD_TABLE_PRE(1, 0x100, true); /* required */
+
+    SMBIOS_TABLE_SET_STR(1, manufacturer_str, type1.manufacturer);
+    SMBIOS_TABLE_SET_STR(1, product_name_str, type1.product);
+    SMBIOS_TABLE_SET_STR(1, version_str, type1.version);
+    SMBIOS_TABLE_SET_STR(1, serial_number_str, type1.serial);
+    if (qemu_uuid_set) {
+        memcpy(t->uuid, qemu_uuid, 16);
+    } else {
+        memset(t->uuid, 0, 16);
+    }
+    t->wake_up_type = 0x06; /* power switch */
+    SMBIOS_TABLE_SET_STR(1, sku_number_str, type1.sku);
+    SMBIOS_TABLE_SET_STR(1, family_str, type1.family);
+
+    SMBIOS_BUILD_TABLE_POST;
+}
+
+static void smbios_build_type_2_table(void)
+{
+    SMBIOS_BUILD_TABLE_PRE(2, 0x200, false); /* optional */
+
+    SMBIOS_TABLE_SET_STR(2, manufacturer_str, type2.manufacturer);
+    SMBIOS_TABLE_SET_STR(2, product_str, type2.product);
+    SMBIOS_TABLE_SET_STR(2, version_str, type2.version);
+    SMBIOS_TABLE_SET_STR(2, serial_number_str, type2.serial);
+    SMBIOS_TABLE_SET_STR(2, asset_tag_number_str, type2.asset);
+    t->feature_flags = 0x01; /* Motherboard */
+    SMBIOS_TABLE_SET_STR(2, location_str, type2.location);
+    t->chassis_handle = 0x300; /* Type 3 (System enclosure) */
+    t->board_type = 0x0A; /* Motherboard */
+    t->contained_element_count = 0;
+
+    SMBIOS_BUILD_TABLE_POST;
+}
+
+static void smbios_build_type_3_table(void)
+{
+    SMBIOS_BUILD_TABLE_PRE(3, 0x300, true); /* required */
+
+    SMBIOS_TABLE_SET_STR(3, manufacturer_str, type3.manufacturer);
+    t->type = 0x01; /* Other */
+    SMBIOS_TABLE_SET_STR(3, version_str, type3.version);
+    SMBIOS_TABLE_SET_STR(3, serial_number_str, type3.serial);
+    SMBIOS_TABLE_SET_STR(3, asset_tag_number_str, type3.asset);
+    t->boot_up_state = 0x03; /* Safe */
+    t->power_supply_state = 0x03; /* Safe */
+    t->thermal_state = 0x03; /* Safe */
+    t->security_status = 0x02; /* Unknown */
+    t->oem_defined = 0;
+    t->height = 0;
+    t->number_of_power_cords = 0;
+    t->contained_element_count = 0;
+    SMBIOS_TABLE_SET_STR(3, sku_number_str, type3.sku);
+
+    SMBIOS_BUILD_TABLE_POST;
+}
+
+static void smbios_build_type_4_table(unsigned instance)
+{
+    char sock_str[128];
+
+    SMBIOS_BUILD_TABLE_PRE(4, 0x400 + instance, true); /* required */
+
+    snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
+    SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
+    t->processor_type = 0x03; /* CPU */
+    SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
+    t->processor_id[0] = smbios_cpuid_version;
+    t->processor_id[1] = smbios_cpuid_features;
+    SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version);
+    t->voltage = 0;
+    t->external_clock = 0; /* Unknown */
+    t->max_speed = 0; /* Unknown */
+    t->current_speed = 0; /* Unknown */
+    t->status = 0x41; /* Socket populated, CPU enabled */
+    t->processor_upgrade = 0x01; /* Other */
+    t->l1_cache_handle = 0xFFFF; /* N/A */
+    t->l2_cache_handle = 0xFFFF; /* N/A */
+    t->l3_cache_handle = 0xFFFF; /* N/A */
+    SMBIOS_TABLE_SET_STR(4, serial_number_str, type4.serial);
+    SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset);
+    SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part);
+    t->core_count = t->core_enabled = smp_cores;
+    t->thread_count = smp_threads;
+    t->processor_characteristics = 0x02; /* Unknown */
+    t->processor_family = t->processor_family2 = 0x01; /* Other */
+
+    SMBIOS_BUILD_TABLE_POST;
+    smbios_type4_count++;
+}
+
+#define ONE_KB ((ram_addr_t)1 << 10)
+#define ONE_MB ((ram_addr_t)1 << 20)
+#define ONE_GB ((ram_addr_t)1 << 30)
+
+#define MAX_T16_STD_SZ 0x80000000 /* 2T in Kilobytes */
+
+static void smbios_build_type_16_table(unsigned dimm_cnt)
+{
+    ram_addr_t size_kb;
+
+    SMBIOS_BUILD_TABLE_PRE(16, 0x1000, true); /* required */
+
+    t->location = 0x01; /* Other */
+    t->use = 0x03; /* System memory */
+    t->error_correction = 0x06; /* Multi-bit ECC (for Microsoft, per SeaBIOS) */
+    size_kb = QEMU_ALIGN_UP(ram_size, ONE_KB) / ONE_KB;
+    if (size_kb < MAX_T16_STD_SZ) {
+        t->maximum_capacity = size_kb;
+        t->extended_maximum_capacity = 0;
+    } else {
+        t->maximum_capacity = MAX_T16_STD_SZ;
+        t->extended_maximum_capacity = ram_size;
+    }
+    t->memory_error_information_handle = 0xFFFE; /* Not provided */
+    t->number_of_memory_devices = dimm_cnt;
+
+    SMBIOS_BUILD_TABLE_POST;
+}
+
+#define MAX_T17_STD_SZ 0x7FFF /* (32G - 1M), in Megabytes */
+#define MAX_T17_EXT_SZ 0x80000000 /* 2P, in Megabytes */
+
+static void smbios_build_type_17_table(unsigned instance, ram_addr_t size)
+{
+    char loc_str[128];
+    ram_addr_t size_mb;
+
+    SMBIOS_BUILD_TABLE_PRE(17, 0x1100 + instance, true); /* required */
+
+    t->physical_memory_array_handle = 0x1000; /* Type 16 (Phys. Mem. Array) */
+    t->memory_error_information_handle = 0xFFFE; /* Not provided */
+    t->total_width = 0xFFFF; /* Unknown */
+    t->data_width = 0xFFFF; /* Unknown */
+    size_mb = QEMU_ALIGN_UP(size, ONE_MB) / ONE_MB;
+    if (size_mb < MAX_T17_STD_SZ) {
+        t->size = size_mb;
+        t->extended_size = 0;
+    } else {
+        assert(size_mb < MAX_T17_EXT_SZ);
+        t->size = MAX_T17_STD_SZ;
+        t->extended_size = size_mb;
+    }
+    t->form_factor = 0x09; /* DIMM */
+    t->device_set = 0; /* Not in a set */
+    snprintf(loc_str, sizeof(loc_str), "%s %d", type17.loc_pfx, instance);
+    SMBIOS_TABLE_SET_STR(17, device_locator_str, loc_str);
+    SMBIOS_TABLE_SET_STR(17, bank_locator_str, type17.bank);
+    t->memory_type = 0x07; /* RAM */
+    t->type_detail = 0x02; /* Other */
+    t->speed = 0; /* Unknown */
+    SMBIOS_TABLE_SET_STR(17, manufacturer_str, type17.manufacturer);
+    SMBIOS_TABLE_SET_STR(17, serial_number_str, type17.serial);
+    SMBIOS_TABLE_SET_STR(17, asset_tag_number_str, type17.asset);
+    SMBIOS_TABLE_SET_STR(17, part_number_str, type17.part);
+    t->attributes = 0; /* Unknown */
+    t->configured_clock_speed = 0; /* Unknown */
+    t->minimum_voltage = 0; /* Unknown */
+    t->maximum_voltage = 0; /* Unknown */
+    t->configured_voltage = 0; /* Unknown */
+
+    SMBIOS_BUILD_TABLE_POST;
+}
+
+static void smbios_build_type_19_table(unsigned instance,
+                                       ram_addr_t start, ram_addr_t size)
+{
+    ram_addr_t end, start_kb, end_kb;
+
+    SMBIOS_BUILD_TABLE_PRE(19, 0x1300 + instance, true); /* required */
+
+    end = start + size - 1;
+    assert(end > start);
+    start_kb = start / ONE_KB;
+    end_kb = end / ONE_KB;
+    if (start_kb < UINT32_MAX && end_kb < UINT32_MAX) {
+        t->starting_address = start_kb;
+        t->ending_address = end_kb;
+        t->extended_starting_address = t->extended_ending_address = 0;
+    } else {
+        t->starting_address = t->ending_address = UINT32_MAX;
+        t->extended_starting_address = start;
+        t->extended_ending_address = end;
+    }
+    t->memory_array_handle = 0x1000; /* Type 16 (Phys. Mem. Array) */
+    t->partition_width = 1; /* One device per row */
+
+    SMBIOS_BUILD_TABLE_POST;
+}
+
+static void smbios_build_type_32_table(void)
+{
+    SMBIOS_BUILD_TABLE_PRE(32, 0x2000, true); /* required */
+
+    memset(t->reserved, 0, 6);
+    t->boot_status = 0; /* No errors detected */
+
+    SMBIOS_BUILD_TABLE_POST;
+}
+
+static void smbios_build_type_127_table(void)
+{
+    SMBIOS_BUILD_TABLE_PRE(127, 0x7F00, true); /* required */
+    SMBIOS_BUILD_TABLE_POST;
+}
+
+void smbios_set_cpuid(uint32_t version, uint32_t features)
+{
+    smbios_cpuid_version = version;
+    smbios_cpuid_features = features;
+}
+
+#define SMBIOS_SET_DEFAULT(field, value)                                  \
+    if (!field) {                                                         \
+        field = value;                                                    \
+    }
+
+#define G_FREE_UNLESS_NULL(ptr)                                           \
+    if (ptr != NULL) {                                                    \
+        g_free(ptr);                                                      \
+    }
+
+void smbios_set_defaults(const char *manufacturer, const char *product,
+                         const char *version, bool legacy_mode)
+{
+    smbios_have_defaults = true;
+    smbios_legacy = legacy_mode;
+
+    /* drop unwanted version of command-line file blob(s) */
+    if (smbios_legacy) {
+        G_FREE_UNLESS_NULL(smbios_tables);
+        /* in legacy mode, also complain if fields were given for types > 1 */
+        if (find_next_bit(have_fields_bitmap,
+                          SMBIOS_MAX_TYPE+1, 2) < SMBIOS_MAX_TYPE+1) {
+            error_report("can't process fields for smbios "
+                         "types > 1 on machine versions < 2.1!");
+            exit(1);
+        }
+    } else {
+        G_FREE_UNLESS_NULL(smbios_entries);
+    }
+
+    SMBIOS_SET_DEFAULT(type1.manufacturer, manufacturer);
+    SMBIOS_SET_DEFAULT(type1.product, product);
+    SMBIOS_SET_DEFAULT(type1.version, version);
+    SMBIOS_SET_DEFAULT(type2.manufacturer, manufacturer);
+    SMBIOS_SET_DEFAULT(type2.product, product);
+    SMBIOS_SET_DEFAULT(type2.version, version);
+    SMBIOS_SET_DEFAULT(type3.manufacturer, manufacturer);
+    SMBIOS_SET_DEFAULT(type3.version, version);
+    SMBIOS_SET_DEFAULT(type4.sock_pfx, "CPU");
+    SMBIOS_SET_DEFAULT(type4.manufacturer, manufacturer);
+    SMBIOS_SET_DEFAULT(type4.version, version);
+    SMBIOS_SET_DEFAULT(type17.loc_pfx, "DIMM");
+    SMBIOS_SET_DEFAULT(type17.manufacturer, manufacturer);
+}
+
+static void smbios_entry_point_setup(void)
+{
+    memcpy(ep.anchor_string, "_SM_", 4);
+    memcpy(ep.intermediate_anchor_string, "_DMI_", 5);
+    ep.length = sizeof(struct smbios_entry_point);
+    ep.entry_point_revision = 0; /* formatted_area reserved, per spec v2.1+ */
+    memset(ep.formatted_area, 0, 5);
+
+    /* compliant with smbios spec v2.8 */
+    ep.smbios_major_version = 2;
+    ep.smbios_minor_version = 8;
+    ep.smbios_bcd_revision = 0x28;
+
+    /* set during table construction, but BIOS may override: */
+    ep.structure_table_length = smbios_tables_len;
+    ep.max_structure_size = smbios_table_max;
+    ep.number_of_structures = smbios_table_cnt;
+
+    /* BIOS must recalculate: */
+    ep.checksum = 0;
+    ep.intermediate_checksum = 0;
+    ep.structure_table_address = 0; /* where BIOS has copied smbios_tables */
+}
+
+void smbios_get_tables(uint8_t **tables, size_t *tables_len,
+                       uint8_t **anchor, size_t *anchor_len)
+{
+    unsigned i, dimm_cnt, instance;
+
+    if (smbios_legacy) {
+        *tables = *anchor = NULL;
+        *tables_len = *anchor_len = 0;
+        return;
+    }
+
+    if (!smbios_immutable) {
+        smbios_build_type_0_table();
+        smbios_build_type_1_table();
+        smbios_build_type_2_table();
+        smbios_build_type_3_table();
+
+        smbios_smp_sockets = smp_cpus / (smp_cores * smp_threads);
+        assert(smbios_smp_sockets >= 1);
+
+        for (i = 0; i < smbios_smp_sockets; i++) {
+            smbios_build_type_4_table(i);
+        }
+
+#define MAX_DIMM_SZ (16ll * ONE_GB)
+#define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ : ram_size % MAX_DIMM_SZ)
+
+        dimm_cnt = QEMU_ALIGN_UP(ram_size, MAX_DIMM_SZ) / MAX_DIMM_SZ;
+
+        smbios_build_type_16_table(dimm_cnt);
+
+        for (i = 0; i < dimm_cnt; i++) {
+            smbios_build_type_17_table(i, GET_DIMM_SZ);
+        }
+
+        for (i = 0, instance = 0; i < e820_get_num_entries(); i++) {
+            uint64_t address, length;
+            if (e820_get_entry(i, E820_RAM, &address, &length)) {
+                smbios_build_type_19_table(instance++, address, length);
+            }
+        }
+
+        smbios_build_type_32_table();
+        smbios_build_type_127_table();
+
+        smbios_validate_table();
+        smbios_entry_point_setup();
+        smbios_immutable = true;
+    }
+
+    /* return tables blob and entry point (anchor), and their sizes */
+    *tables = smbios_tables;
+    *tables_len = smbios_tables_len;
+    *anchor = (uint8_t *)&ep;
+    *anchor_len = sizeof(struct smbios_entry_point);
+}
 
 static void save_opt(const char **dest, QemuOpts *opts, const char *name)
 {
@@ -297,11 +876,12 @@ void smbios_entry_add(QemuOpts *opts)
     const char *val;
 
     assert(!smbios_immutable);
+
     val = qemu_opt_get(opts, "file");
     if (val) {
         struct smbios_structure_header *header;
-        struct smbios_table *table;
         int size;
+        struct smbios_table *table; /* legacy mode only */
 
         qemu_opts_validate(opts, qemu_smbios_file_opts, &local_err);
         if (local_err) {
@@ -315,31 +895,60 @@ void smbios_entry_add(QemuOpts *opts)
             exit(1);
         }
 
-        if (!smbios_entries) {
-            smbios_entries_len = sizeof(uint16_t);
-            smbios_entries = g_malloc0(smbios_entries_len);
-        }
-
-        smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
-                                                      sizeof(*table) + size);
-        table = (struct smbios_table *)(smbios_entries + smbios_entries_len);
-        table->header.type = SMBIOS_TABLE_ENTRY;
-        table->header.length = cpu_to_le16(sizeof(*table) + size);
+        /*
+         * NOTE: standard double '\0' terminator expected, per smbios spec.
+         * (except in legacy mode, where the second '\0' is implicit and
+         *  will be inserted by the BIOS).
+         */
+        smbios_tables = g_realloc(smbios_tables, smbios_tables_len + size);
+        header = (struct smbios_structure_header *)(smbios_tables +
+                                                    smbios_tables_len);
 
-        if (load_image(val, table->data) != size) {
+        if (load_image(val, (uint8_t *)header) != size) {
             error_report("Failed to load SMBIOS file %s", val);
             exit(1);
         }
 
-        header = (struct smbios_structure_header *)(table->data);
-        smbios_check_collision(header->type, SMBIOS_TABLE_ENTRY);
+        if (test_bit(header->type, have_fields_bitmap)) {
+            error_report("can't load type %d struct, fields already specified!",
+                         header->type);
+            exit(1);
+        }
+        set_bit(header->type, have_binfile_bitmap);
+
         if (header->type == 4) {
             smbios_type4_count++;
         }
 
+        smbios_tables_len += size;
+        if (size > smbios_table_max) {
+            smbios_table_max = size;
+        }
+        smbios_table_cnt++;
+
+        /* add a copy of the newly loaded blob to legacy smbios_entries */
+        /* NOTE: This code runs before smbios_set_defaults(), so we don't
+         *       yet know which mode (legacy vs. aggregate-table) will be
+         *       required. We therefore add the binary blob to both legacy
+         *       (smbios_entries) and aggregate (smbios_tables) tables, and
+         *       delete the one we don't need from smbios_set_defaults(),
+         *       once we know which machine version has been requested.
+         */
+        if (!smbios_entries) {
+            smbios_entries_len = sizeof(uint16_t);
+            smbios_entries = g_malloc0(smbios_entries_len);
+        }
+        smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
+                                                   size + sizeof(*table));
+        table = (struct smbios_table *)(smbios_entries + smbios_entries_len);
+        table->header.type = SMBIOS_TABLE_ENTRY;
+        table->header.length = cpu_to_le16(sizeof(*table) + size);
+        memcpy(table->data, header, size);
         smbios_entries_len += sizeof(*table) + size;
         (*(uint16_t *)smbios_entries) =
                 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
+        /* end: add a copy of the newly loaded blob to legacy smbios_entries */
+
         return;
     }
 
@@ -347,7 +956,16 @@ void smbios_entry_add(QemuOpts *opts)
     if (val) {
         unsigned long type = strtoul(val, NULL, 0);
 
-        smbios_check_collision(type, SMBIOS_FIELD_ENTRY);
+        if (type > SMBIOS_MAX_TYPE) {
+            error_report("out of range!");
+            exit(1);
+        }
+
+        if (test_bit(type, have_binfile_bitmap)) {
+            error_report("can't add fields, binary file already loaded!");
+            exit(1);
+        }
+        set_bit(type, have_fields_bitmap);
 
         switch (type) {
         case 0:
@@ -391,6 +1009,57 @@ void smbios_entry_add(QemuOpts *opts)
                 qemu_uuid_set = true;
             }
             return;
+        case 2:
+            qemu_opts_validate(opts, qemu_smbios_type2_opts, &local_err);
+            if (local_err) {
+                error_report("%s", error_get_pretty(local_err));
+                exit(1);
+            }
+            save_opt(&type2.manufacturer, opts, "manufacturer");
+            save_opt(&type2.product, opts, "product");
+            save_opt(&type2.version, opts, "version");
+            save_opt(&type2.serial, opts, "serial");
+            save_opt(&type2.asset, opts, "asset");
+            save_opt(&type2.location, opts, "location");
+            return;
+        case 3:
+            qemu_opts_validate(opts, qemu_smbios_type3_opts, &local_err);
+            if (local_err) {
+                error_report("%s", error_get_pretty(local_err));
+                exit(1);
+            }
+            save_opt(&type3.manufacturer, opts, "manufacturer");
+            save_opt(&type3.version, opts, "version");
+            save_opt(&type3.serial, opts, "serial");
+            save_opt(&type3.asset, opts, "asset");
+            save_opt(&type3.sku, opts, "sku");
+            return;
+        case 4:
+            qemu_opts_validate(opts, qemu_smbios_type4_opts, &local_err);
+            if (local_err) {
+                error_report("%s", error_get_pretty(local_err));
+                exit(1);
+            }
+            save_opt(&type4.sock_pfx, opts, "sock_pfx");
+            save_opt(&type4.manufacturer, opts, "manufacturer");
+            save_opt(&type4.version, opts, "version");
+            save_opt(&type4.serial, opts, "serial");
+            save_opt(&type4.asset, opts, "asset");
+            save_opt(&type4.part, opts, "part");
+            return;
+        case 17:
+            qemu_opts_validate(opts, qemu_smbios_type17_opts, &local_err);
+            if (local_err) {
+                error_report("%s", error_get_pretty(local_err));
+                exit(1);
+            }
+            save_opt(&type17.loc_pfx, opts, "loc_pfx");
+            save_opt(&type17.bank, opts, "bank");
+            save_opt(&type17.manufacturer, opts, "manufacturer");
+            save_opt(&type17.serial, opts, "serial");
+            save_opt(&type17.asset, opts, "asset");
+            save_opt(&type17.part, opts, "part");
+            return;
         default:
             error_report("Don't know how to build fields for SMBIOS type %ld",
                          type);
diff --git a/hw/i386/xen/Makefile.objs b/hw/i386/xen/Makefile.objs
new file mode 100644
index 0000000000..801a68d326
--- /dev/null
+++ b/hw/i386/xen/Makefile.objs
@@ -0,0 +1 @@
+obj-y += xen_platform.o xen_apic.o xen_pvdevice.o
diff --git a/hw/xen/xen_apic.c b/hw/i386/xen/xen_apic.c
index 63bb7f77c6..63bb7f77c6 100644
--- a/hw/xen/xen_apic.c
+++ b/hw/i386/xen/xen_apic.c
diff --git a/hw/xen/xen_platform.c b/hw/i386/xen/xen_platform.c
index 1d9d0e9f25..1d9d0e9f25 100644
--- a/hw/xen/xen_platform.c
+++ b/hw/i386/xen/xen_platform.c
diff --git a/hw/xen/xen_pvdevice.c b/hw/i386/xen/xen_pvdevice.c
index c2189473ba..c2189473ba 100644
--- a/hw/xen/xen_pvdevice.c
+++ b/hw/i386/xen/xen_pvdevice.c
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index 50327ffdf1..e57c5837d2 100644
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -1293,7 +1293,7 @@ const VMStateDescription vmstate_ahci = {
         VMSTATE_UINT32(control_regs.impl, AHCIState),
         VMSTATE_UINT32(control_regs.version, AHCIState),
         VMSTATE_UINT32(idp_index, AHCIState),
-        VMSTATE_INT32(ports, AHCIState),
+        VMSTATE_INT32_EQUAL(ports, AHCIState),
         VMSTATE_END_OF_LIST()
     },
 };
diff --git a/hw/ide/core.c b/hw/ide/core.c
index c943a4d764..1cac5f53dc 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -2342,8 +2342,7 @@ static const VMStateDescription vmstate_ide_atapi_gesn_state = {
     .name ="ide_drive/atapi/gesn_state",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_BOOL(events.new_media, IDEState),
         VMSTATE_BOOL(events.eject_request, IDEState),
         VMSTATE_END_OF_LIST()
@@ -2354,7 +2353,6 @@ static const VMStateDescription vmstate_ide_tray_state = {
     .name = "ide_drive/tray_state",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_BOOL(tray_open, IDEState),
         VMSTATE_BOOL(tray_locked, IDEState),
@@ -2366,10 +2364,9 @@ static const VMStateDescription vmstate_ide_drive_pio_state = {
     .name = "ide_drive/pio_state",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .pre_save = ide_drive_pio_pre_save,
     .post_load = ide_drive_pio_post_load,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_INT32(req_nb_sectors, IDEState),
         VMSTATE_VARRAY_INT32(io_buffer, IDEState, io_buffer_total_len, 1,
 			     vmstate_info_uint8, uint8_t),
@@ -2386,9 +2383,8 @@ const VMStateDescription vmstate_ide_drive = {
     .name = "ide_drive",
     .version_id = 3,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .post_load = ide_drive_post_load,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_INT32(mult_sectors, IDEState),
         VMSTATE_INT32(identify_set, IDEState),
         VMSTATE_BUFFER_TEST(identify_data, IDEState, is_identify_set),
@@ -2431,8 +2427,7 @@ static const VMStateDescription vmstate_ide_error_status = {
     .name ="ide_bus/error",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_INT32(error_status, IDEBus),
         VMSTATE_END_OF_LIST()
     }
@@ -2442,8 +2437,7 @@ const VMStateDescription vmstate_ide_bus = {
     .name = "ide_bus",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT8(cmd, IDEBus),
         VMSTATE_UINT8(unit, IDEBus),
         VMSTATE_END_OF_LIST()
diff --git a/hw/ide/macio.c b/hw/ide/macio.c
index da94580aac..1c20616f5a 100644
--- a/hw/ide/macio.c
+++ b/hw/ide/macio.c
@@ -480,8 +480,7 @@ static const VMStateDescription vmstate_pmac = {
     .name = "ide",
     .version_id = 3,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_IDE_BUS(bus, MACIOIDEState),
         VMSTATE_IDE_DRIVES(bus.ifs, MACIOIDEState),
         VMSTATE_END_OF_LIST()
diff --git a/hw/ide/microdrive.c b/hw/ide/microdrive.c
index 21d6495817..f24946ddf6 100644
--- a/hw/ide/microdrive.c
+++ b/hw/ide/microdrive.c
@@ -332,8 +332,7 @@ static const VMStateDescription vmstate_microdrive = {
     .name = "microdrive",
     .version_id = 3,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT8(opt, MicroDriveState),
         VMSTATE_UINT8(stat, MicroDriveState),
         VMSTATE_UINT8(pins, MicroDriveState),
diff --git a/hw/ide/mmio.c b/hw/ide/mmio.c
index 9f66a52599..01c1d0e6ce 100644
--- a/hw/ide/mmio.c
+++ b/hw/ide/mmio.c
@@ -109,8 +109,7 @@ static const VMStateDescription vmstate_ide_mmio = {
     .name = "mmio-ide",
     .version_id = 3,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_IDE_BUS(bus, MMIOState),
         VMSTATE_IDE_DRIVES(bus.ifs, MMIOState),
         VMSTATE_END_OF_LIST()
diff --git a/hw/input/adb.c b/hw/input/adb.c
index a75d3fd7b9..34c8058fc2 100644
--- a/hw/input/adb.c
+++ b/hw/input/adb.c
@@ -303,8 +303,7 @@ static const VMStateDescription vmstate_adb_kbd = {
     .name = "adb_kbd",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_BUFFER(data, KBDState),
         VMSTATE_INT32(rptr, KBDState),
         VMSTATE_INT32(wptr, KBDState),
@@ -518,8 +517,7 @@ static const VMStateDescription vmstate_adb_mouse = {
     .name = "adb_mouse",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_INT32(buttons_state, MouseState),
         VMSTATE_INT32(last_buttons_state, MouseState),
         VMSTATE_INT32(dx, MouseState),
diff --git a/hw/input/lm832x.c b/hw/input/lm832x.c
index 4ae1cd9c80..9eb68e87cb 100644
--- a/hw/input/lm832x.c
+++ b/hw/input/lm832x.c
@@ -432,9 +432,8 @@ static const VMStateDescription vmstate_lm_kbd = {
     .name = "LM8323",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .post_load = lm_kbd_post_load,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_I2C_SLAVE(parent_obj, LM823KbdState),
         VMSTATE_UINT8(i2c_dir, LM823KbdState),
         VMSTATE_UINT8(i2c_cycle, LM823KbdState),
diff --git a/hw/input/milkymist-softusb.c b/hw/input/milkymist-softusb.c
index ecde33cb95..53ba71410d 100644
--- a/hw/input/milkymist-softusb.c
+++ b/hw/input/milkymist-softusb.c
@@ -295,8 +295,7 @@ static const VMStateDescription vmstate_milkymist_softusb = {
     .name = "milkymist-softusb",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, MilkymistSoftUsbState, R_MAX),
         VMSTATE_HID_KEYBOARD_DEVICE(hid_kbd, MilkymistSoftUsbState),
         VMSTATE_HID_POINTER_DEVICE(hid_mouse, MilkymistSoftUsbState),
diff --git a/hw/input/pxa2xx_keypad.c b/hw/input/pxa2xx_keypad.c
index b90b0ba102..85011145e6 100644
--- a/hw/input/pxa2xx_keypad.c
+++ b/hw/input/pxa2xx_keypad.c
@@ -291,8 +291,7 @@ static const VMStateDescription vmstate_pxa2xx_keypad = {
     .name = "pxa2xx_keypad",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(kpc, PXA2xxKeyPadState),
         VMSTATE_UINT32(kpdk, PXA2xxKeyPadState),
         VMSTATE_UINT32(kprec, PXA2xxKeyPadState),
diff --git a/hw/input/stellaris_input.c b/hw/input/stellaris_input.c
index 4e407922a0..0609e80868 100644
--- a/hw/input/stellaris_input.c
+++ b/hw/input/stellaris_input.c
@@ -51,8 +51,7 @@ static const VMStateDescription vmstate_stellaris_button = {
     .name = "stellaris_button",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT8(pressed, gamepad_button),
         VMSTATE_END_OF_LIST()
     }
@@ -62,8 +61,7 @@ static const VMStateDescription vmstate_stellaris_gamepad = {
     .name = "stellaris_gamepad",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_INT32(extension, gamepad_state),
         VMSTATE_STRUCT_VARRAY_INT32(buttons, gamepad_state, num_buttons, 0,
                               vmstate_stellaris_button, gamepad_button),
diff --git a/hw/input/tsc210x.c b/hw/input/tsc210x.c
index 485c9e5753..aa5b6886ea 100644
--- a/hw/input/tsc210x.c
+++ b/hw/input/tsc210x.c
@@ -1070,9 +1070,21 @@ static int tsc210x_load(QEMUFile *f, void *opaque, int version_id)
     s->enabled = qemu_get_byte(f);
     s->host_mode = qemu_get_byte(f);
     s->function = qemu_get_byte(f);
+    if (s->function < 0 || s->function >= ARRAY_SIZE(mode_regs)) {
+        return -EINVAL;
+    }
     s->nextfunction = qemu_get_byte(f);
+    if (s->nextfunction < 0 || s->nextfunction >= ARRAY_SIZE(mode_regs)) {
+        return -EINVAL;
+    }
     s->precision = qemu_get_byte(f);
+    if (s->precision < 0 || s->precision >= ARRAY_SIZE(resolution)) {
+        return -EINVAL;
+    }
     s->nextprecision = qemu_get_byte(f);
+    if (s->nextprecision < 0 || s->nextprecision >= ARRAY_SIZE(resolution)) {
+        return -EINVAL;
+    }
     s->filter = qemu_get_byte(f);
     s->pin_func = qemu_get_byte(f);
     s->ref = qemu_get_byte(f);
diff --git a/hw/intc/allwinner-a10-pic.c b/hw/intc/allwinner-a10-pic.c
index 0924d9855c..de820b9723 100644
--- a/hw/intc/allwinner-a10-pic.c
+++ b/hw/intc/allwinner-a10-pic.c
@@ -97,6 +97,7 @@ static void aw_a10_pic_write(void *opaque, hwaddr offset, uint64_t value,
     switch (offset) {
     case AW_A10_PIC_BASE_ADDR:
         s->base_addr = value & ~0x3;
+        break;
     case AW_A10_PIC_PROTECT:
         s->protect = value;
         break;
@@ -141,7 +142,6 @@ static const VMStateDescription vmstate_aw_a10_pic = {
     .name = "a10.pic",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(vector, AwA10PICState),
         VMSTATE_UINT32(base_addr, AwA10PICState),
diff --git a/hw/intc/apic.c b/hw/intc/apic.c
index b8c061bdaa..ef19e5515c 100644
--- a/hw/intc/apic.c
+++ b/hw/intc/apic.c
@@ -98,8 +98,8 @@ static void apic_sync_vapic(APICCommonState *s, int sync_type)
         return;
     }
     if (sync_type & SYNC_FROM_VAPIC) {
-        cpu_physical_memory_rw(s->vapic_paddr, (void *)&vapic_state,
-                               sizeof(vapic_state), 0);
+        cpu_physical_memory_read(s->vapic_paddr, &vapic_state,
+                                 sizeof(vapic_state));
         s->tpr = vapic_state.tpr;
     }
     if (sync_type & (SYNC_TO_VAPIC | SYNC_ISR_IRR_TO_VAPIC)) {
@@ -675,7 +675,7 @@ static uint32_t apic_mem_readl(void *opaque, hwaddr addr)
         val = s->id << 24;
         break;
     case 0x03: /* version */
-        val = 0x11 | ((APIC_LVT_NB - 1) << 16); /* version 0x11 */
+        val = s->version | ((APIC_LVT_NB - 1) << 16);
         break;
     case 0x08:
         apic_sync_vapic(s, SYNC_FROM_VAPIC);
diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c
index 7ecce2dcce..ce3d903b13 100644
--- a/hw/intc/apic_common.c
+++ b/hw/intc/apic_common.c
@@ -200,7 +200,7 @@ void apic_init_reset(DeviceState *dev)
     s->initial_count = 0;
     s->initial_count_load_time = 0;
     s->next_time = 0;
-    s->wait_for_sipi = 1;
+    s->wait_for_sipi = !cpu_is_bsp(s->cpu);
 
     if (s->timer) {
         timer_del(s->timer);
@@ -380,6 +380,7 @@ static const VMStateDescription vmstate_apic_common = {
 
 static Property apic_properties_common[] = {
     DEFINE_PROP_UINT8("id", APICCommonState, id, -1),
+    DEFINE_PROP_UINT8("version", APICCommonState, version, 0x14),
     DEFINE_PROP_BIT("vapic", APICCommonState, vapic_control, VAPIC_ENABLE_BIT,
                     true),
     DEFINE_PROP_END_OF_LIST(),
diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c
index 955b8d4945..1532ef9482 100644
--- a/hw/intc/arm_gic.c
+++ b/hw/intc/arm_gic.c
@@ -797,9 +797,11 @@ static void arm_gic_realize(DeviceState *dev, Error **errp)
     GICState *s = ARM_GIC(dev);
     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
     ARMGICClass *agc = ARM_GIC_GET_CLASS(s);
+    Error *local_err = NULL;
 
-    agc->parent_realize(dev, errp);
-    if (error_is_set(errp)) {
+    agc->parent_realize(dev, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
         return;
     }
 
diff --git a/hw/intc/arm_gic_kvm.c b/hw/intc/arm_gic_kvm.c
index 719d2277ec..5038885afd 100644
--- a/hw/intc/arm_gic_kvm.c
+++ b/hw/intc/arm_gic_kvm.c
@@ -517,10 +517,12 @@ static void kvm_arm_gic_realize(DeviceState *dev, Error **errp)
     GICState *s = KVM_ARM_GIC(dev);
     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
     KVMARMGICClass *kgc = KVM_ARM_GIC_GET_CLASS(s);
+    Error *local_err = NULL;
     int ret;
 
-    kgc->parent_realize(dev, errp);
-    if (error_is_set(errp)) {
+    kgc->parent_realize(dev, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
         return;
     }
 
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index 6066fa6838..75d9c6e41e 100644
--- a/hw/intc/armv7m_nvic.c
+++ b/hw/intc/armv7m_nvic.c
@@ -173,7 +173,7 @@ static uint32_t nvic_readl(nvic_state *s, uint32_t offset)
         return 10000;
     case 0xd00: /* CPUID Base.  */
         cpu = ARM_CPU(current_cpu);
-        return cpu->env.cp15.c0_cpuid;
+        return cpu->midr;
     case 0xd04: /* Interrupt Control State.  */
         /* VECTACTIVE */
         val = s->gic.running_irq[0];
@@ -443,8 +443,7 @@ static const VMStateDescription vmstate_nvic = {
     .name = "armv7m_nvic",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(systick.control, nvic_state),
         VMSTATE_UINT32(systick.reload, nvic_state),
         VMSTATE_INT64(systick.tick, nvic_state),
@@ -474,14 +473,16 @@ static void armv7m_nvic_realize(DeviceState *dev, Error **errp)
 {
     nvic_state *s = NVIC(dev);
     NVICClass *nc = NVIC_GET_CLASS(s);
+    Error *local_err = NULL;
 
     /* The NVIC always has only one CPU */
     s->gic.num_cpu = 1;
     /* Tell the common code we're an NVIC */
     s->gic.revision = 0xffffffff;
     s->num_irq = s->gic.num_irq;
-    nc->parent_realize(dev, errp);
-    if (error_is_set(errp)) {
+    nc->parent_realize(dev, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
         return;
     }
     gic_init_irqs_and_distributor(&s->gic, s->num_irq);
diff --git a/hw/intc/exynos4210_combiner.c b/hw/intc/exynos4210_combiner.c
index 3287479456..a6b7028906 100644
--- a/hw/intc/exynos4210_combiner.c
+++ b/hw/intc/exynos4210_combiner.c
@@ -77,7 +77,6 @@ static const VMStateDescription vmstate_exynos4210_combiner_group_state = {
     .name = "exynos4210.combiner.groupstate",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT8(src_mask, CombinerGroupState),
         VMSTATE_UINT8(src_pending, CombinerGroupState),
@@ -89,7 +88,6 @@ static const VMStateDescription vmstate_exynos4210_combiner = {
     .name = "exynos4210.combiner",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_STRUCT_ARRAY(group, Exynos4210CombinerState, IIC_NGRP, 0,
                 vmstate_exynos4210_combiner_group_state, CombinerGroupState),
diff --git a/hw/intc/exynos4210_gic.c b/hw/intc/exynos4210_gic.c
index 5b913f786e..0590d5dfb8 100644
--- a/hw/intc/exynos4210_gic.c
+++ b/hw/intc/exynos4210_gic.c
@@ -394,7 +394,6 @@ static const VMStateDescription vmstate_exynos4210_irq_gate = {
     .name = "exynos4210.irq_gate",
     .version_id = 2,
     .minimum_version_id = 2,
-    .minimum_version_id_old = 2,
     .fields = (VMStateField[]) {
         VMSTATE_VBUFFER_UINT32(level, Exynos4210IRQGateState, 1, NULL, 0, n_in),
         VMSTATE_END_OF_LIST()
diff --git a/hw/intc/i8259.c b/hw/intc/i8259.c
index c6f248b145..d0b0c52b97 100644
--- a/hw/intc/i8259.c
+++ b/hw/intc/i8259.c
@@ -265,7 +265,8 @@ static void pic_ioport_write(void *opaque, hwaddr addr64,
             s->init4 = val & 1;
             s->single_mode = val & 2;
             if (val & 0x08) {
-                hw_error("level sensitive irq not supported");
+                qemu_log_mask(LOG_UNIMP,
+                              "i8259: level sensitive irq not supported\n");
             }
         } else if (val & 0x08) {
             if (val & 0x04) {
@@ -412,7 +413,7 @@ static const MemoryRegionOps pic_elcr_ioport_ops = {
     },
 };
 
-static void pic_realize(DeviceState *dev, Error **err)
+static void pic_realize(DeviceState *dev, Error **errp)
 {
     PICCommonState *s = PIC_COMMON(dev);
     PICClass *pc = PIC_GET_CLASS(dev);
@@ -425,7 +426,7 @@ static void pic_realize(DeviceState *dev, Error **err)
     qdev_init_gpio_out(dev, s->int_out, ARRAY_SIZE(s->int_out));
     qdev_init_gpio_in(dev, pic_set_irq, 8);
 
-    pc->parent_realize(dev, err);
+    pc->parent_realize(dev, errp);
 }
 
 void pic_info(Monitor *mon, const QDict *qdict)
diff --git a/hw/intc/imx_avic.c b/hw/intc/imx_avic.c
index fb00e910f6..ec5f9ad815 100644
--- a/hw/intc/imx_avic.c
+++ b/hw/intc/imx_avic.c
@@ -77,7 +77,6 @@ static const VMStateDescription vmstate_imx_avic = {
     .name = "imx-avic",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT64(pending, IMXAVICState),
         VMSTATE_UINT64(enabled, IMXAVICState),
diff --git a/hw/intc/lm32_pic.c b/hw/intc/lm32_pic.c
index 32d009f678..72fc9ef674 100644
--- a/hw/intc/lm32_pic.c
+++ b/hw/intc/lm32_pic.c
@@ -169,8 +169,7 @@ static const VMStateDescription vmstate_lm32_pic = {
     .name = "lm32-pic",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(im, LM32PicState),
         VMSTATE_UINT32(ip, LM32PicState),
         VMSTATE_UINT32(irq_state, LM32PicState),
diff --git a/hw/intc/openpic.c b/hw/intc/openpic.c
index be76fbd78f..17136c9333 100644
--- a/hw/intc/openpic.c
+++ b/hw/intc/openpic.c
@@ -41,6 +41,7 @@
 #include "hw/sysbus.h"
 #include "hw/pci/msi.h"
 #include "qemu/bitops.h"
+#include "qapi/qmp/qerror.h"
 
 //#define DEBUG_OPENPIC
 
@@ -1416,7 +1417,7 @@ static void openpic_load_IRQ_queue(QEMUFile* f, IRQQueue *q)
 static int openpic_load(QEMUFile* f, void *opaque, int version_id)
 {
     OpenPICState *opp = (OpenPICState *)opaque;
-    unsigned int i;
+    unsigned int i, nb_cpus;
 
     if (version_id != 1) {
         return -EINVAL;
@@ -1428,7 +1429,11 @@ static int openpic_load(QEMUFile* f, void *opaque, int version_id)
     qemu_get_be32s(f, &opp->spve);
     qemu_get_be32s(f, &opp->tfrr);
 
-    qemu_get_be32s(f, &opp->nb_cpus);
+    qemu_get_be32s(f, &nb_cpus);
+    if (opp->nb_cpus != nb_cpus) {
+        return -EINVAL;
+    }
+    assert(nb_cpus > 0 && nb_cpus <= MAX_CPU);
 
     for (i = 0; i < opp->nb_cpus; i++) {
         qemu_get_sbe32s(f, &opp->dst[i].ctpr);
@@ -1567,6 +1572,13 @@ static void openpic_realize(DeviceState *dev, Error **errp)
         {NULL}
     };
 
+    if (opp->nb_cpus > MAX_CPU) {
+        error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE,
+                  TYPE_OPENPIC, "nb_cpus", (uint64_t)opp->nb_cpus,
+                  (uint64_t)0, (uint64_t)MAX_CPU);
+        return;
+    }
+
     switch (opp->model) {
     case OPENPIC_MODEL_FSL_MPIC_20:
     default:
diff --git a/hw/intc/openpic_kvm.c b/hw/intc/openpic_kvm.c
index 6635407b8b..585ab4ff20 100644
--- a/hw/intc/openpic_kvm.c
+++ b/hw/intc/openpic_kvm.c
@@ -234,13 +234,9 @@ static void kvm_openpic_realize(DeviceState *dev, Error **errp)
 int kvm_openpic_connect_vcpu(DeviceState *d, CPUState *cs)
 {
     KVMOpenPICState *opp = KVM_OPENPIC(d);
-    struct kvm_enable_cap encap = {};
 
-    encap.cap = KVM_CAP_IRQ_MPIC;
-    encap.args[0] = opp->fd;
-    encap.args[1] = kvm_arch_vcpu_id(cs);
-
-    return kvm_vcpu_ioctl(cs, KVM_ENABLE_CAP, &encap);
+    return kvm_vcpu_enable_cap(cs, KVM_CAP_IRQ_MPIC, 0, opp->fd,
+                               kvm_arch_vcpu_id(cs));
 }
 
 static Property kvm_openpic_properties[] = {
diff --git a/hw/intc/slavio_intctl.c b/hw/intc/slavio_intctl.c
index b10fb66b8d..f22aba0313 100644
--- a/hw/intc/slavio_intctl.c
+++ b/hw/intc/slavio_intctl.c
@@ -381,8 +381,7 @@ static const VMStateDescription vmstate_intctl_cpu = {
     .name ="slavio_intctl_cpu",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(intreg_pending, SLAVIO_CPUINTCTLState),
         VMSTATE_END_OF_LIST()
     }
@@ -392,9 +391,8 @@ static const VMStateDescription vmstate_intctl = {
     .name ="slavio_intctl",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .post_load = vmstate_intctl_post_load,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_STRUCT_ARRAY(slaves, SLAVIO_INTCTLState, MAX_CPUS, 1,
                              vmstate_intctl_cpu, SLAVIO_CPUINTCTLState),
         VMSTATE_UINT32(intregm_pending, SLAVIO_INTCTLState),
diff --git a/hw/intc/xics_kvm.c b/hw/intc/xics_kvm.c
index c93dae053d..09476ae34d 100644
--- a/hw/intc/xics_kvm.c
+++ b/hw/intc/xics_kvm.c
@@ -331,15 +331,11 @@ static void xics_kvm_cpu_setup(XICSState *icp, PowerPCCPU *cpu)
 
     if (icpkvm->kernel_xics_fd != -1) {
         int ret;
-        struct kvm_enable_cap xics_enable_cap = {
-            .cap = KVM_CAP_IRQ_XICS,
-            .flags = 0,
-            .args = {icpkvm->kernel_xics_fd, kvm_arch_vcpu_id(cs), 0, 0},
-        };
 
         ss->cs = cs;
 
-        ret = kvm_vcpu_ioctl(ss->cs, KVM_ENABLE_CAP, &xics_enable_cap);
+        ret = kvm_vcpu_enable_cap(cs, KVM_CAP_IRQ_XICS, 0,
+                                  icpkvm->kernel_xics_fd, kvm_arch_vcpu_id(cs));
         if (ret < 0) {
             error_report("Unable to connect CPU%ld to kernel XICS: %s",
                     kvm_arch_vcpu_id(cs), strerror(errno));
diff --git a/hw/intc/xilinx_intc.c b/hw/intc/xilinx_intc.c
index 1b228ff4e0..c3682f1b20 100644
--- a/hw/intc/xilinx_intc.c
+++ b/hw/intc/xilinx_intc.c
@@ -121,6 +121,9 @@ pic_write(void *opaque, hwaddr addr,
         case R_CIE:
             p->regs[R_IER] &= ~value; /* Atomic clear ie.  */
             break;
+        case R_MER:
+            p->regs[R_MER] = value & 0x3;
+            break;
         case R_ISR:
             if ((p->regs[R_MER] & 2)) {
                 break;
diff --git a/hw/ipack/ipack.c b/hw/ipack/ipack.c
index ed63d2ac61..ef032e6604 100644
--- a/hw/ipack/ipack.c
+++ b/hw/ipack/ipack.c
@@ -89,8 +89,7 @@ const VMStateDescription vmstate_ipack_device = {
     .name = "ipack_device",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_INT32(slot, IPackDevice),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/ipack/tpci200.c b/hw/ipack/tpci200.c
index e1b69b4552..42ca923c7d 100644
--- a/hw/ipack/tpci200.c
+++ b/hw/ipack/tpci200.c
@@ -629,8 +629,7 @@ static const VMStateDescription vmstate_tpci200 = {
     .name = "tpci200",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_PCI_DEVICE(dev, TPCI200State),
         VMSTATE_BOOL_ARRAY(big_endian, TPCI200State, 3),
         VMSTATE_UINT8_ARRAY(ctrl, TPCI200State, N_MODULES),
diff --git a/hw/isa/isa-bus.c b/hw/isa/isa-bus.c
index 55d01008d3..b28981bfde 100644
--- a/hw/isa/isa-bus.c
+++ b/hw/isa/isa-bus.c
@@ -108,15 +108,20 @@ void isa_register_portio_list(ISADevice *dev, uint16_t start,
                               const MemoryRegionPortio *pio_start,
                               void *opaque, const char *name)
 {
-    PortioList *piolist = g_new(PortioList, 1);
+    PortioList piolist;
 
     /* START is how we should treat DEV, regardless of the actual
        contents of the portio array.  This is how the old code
        actually handled e.g. the FDC device.  */
     isa_init_ioport(dev, start);
 
-    portio_list_init(piolist, OBJECT(dev), pio_start, opaque, name);
-    portio_list_add(piolist, isabus->address_space_io, start);
+    /* FIXME: the device should store created PortioList in its state.  Note
+       that DEV can be NULL here and that single device can register several
+       portio lists.  Current implementation is leaking memory allocated
+       in portio_list_init.  The leak is not critical because it happens only
+       at initialization time.  */
+    portio_list_init(&piolist, OBJECT(dev), pio_start, opaque, name);
+    portio_list_add(&piolist, isabus->address_space_io, start);
 }
 
 static void isa_device_init(Object *obj)
diff --git a/hw/microblaze/boot.c b/hw/microblaze/boot.c
index 48d9e7afa4..6bf36d046f 100644
--- a/hw/microblaze/boot.c
+++ b/hw/microblaze/boot.c
@@ -148,7 +148,7 @@ void microblaze_load_kernel(MicroBlazeCPU *cpu, hwaddr ddr_base,
                                    big_endian, ELF_MACHINE, 0);
         }
         /* Always boot into physical ram.  */
-        boot_info.bootstrap_pc = ddr_base + (entry & 0x0fffffff);
+        boot_info.bootstrap_pc = (uint32_t)entry;
 
         /* If it wasn't an ELF image, try an u-boot image.  */
         if (kernel_size < 0) {
@@ -174,9 +174,15 @@ void microblaze_load_kernel(MicroBlazeCPU *cpu, hwaddr ddr_base,
             high = ROUND_UP(high + kernel_size, 4);
             boot_info.initrd_start = high;
             initrd_offset = boot_info.initrd_start - ddr_base;
-            initrd_size = load_image_targphys(initrd_filename,
-                                              boot_info.initrd_start,
-                                              ram_size - initrd_offset);
+
+            initrd_size = load_ramdisk(initrd_filename,
+                                       boot_info.initrd_start,
+                                       ram_size - initrd_offset);
+            if (initrd_size < 0) {
+                initrd_size = load_image_targphys(initrd_filename,
+                                                  boot_info.initrd_start,
+                                                  ram_size - initrd_offset);
+            }
             if (initrd_size < 0) {
                 error_report("qemu: could not load initrd '%s'\n",
                              initrd_filename);
diff --git a/hw/mips/mips_fulong2e.c b/hw/mips/mips_fulong2e.c
index e1551aabe2..30d9f19df7 100644
--- a/hw/mips/mips_fulong2e.c
+++ b/hw/mips/mips_fulong2e.c
@@ -211,7 +211,7 @@ static void main_cpu_reset(void *opaque)
     }
 }
 
-uint8_t eeprom_spd[0x80] = {
+static const uint8_t eeprom_spd[0x80] = {
     0x80,0x08,0x07,0x0d,0x09,0x02,0x40,0x00,0x04,0x70,
     0x70,0x00,0x82,0x10,0x00,0x01,0x0e,0x04,0x0c,0x01,
     0x02,0x20,0x80,0x75,0x70,0x00,0x00,0x50,0x3c,0x50,
diff --git a/hw/misc/eccmemctl.c b/hw/misc/eccmemctl.c
index 549431cb13..8bad6f682b 100644
--- a/hw/misc/eccmemctl.c
+++ b/hw/misc/eccmemctl.c
@@ -266,8 +266,7 @@ static const VMStateDescription vmstate_ecc = {
     .name ="ECC",
     .version_id = 3,
     .minimum_version_id = 3,
-    .minimum_version_id_old = 3,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, ECCState, ECC_NREGS),
         VMSTATE_BUFFER(diag, ECCState),
         VMSTATE_UINT32(version, ECCState),
diff --git a/hw/misc/exynos4210_pmu.c b/hw/misc/exynos4210_pmu.c
index 5ec14d1c86..2b118c7255 100644
--- a/hw/misc/exynos4210_pmu.c
+++ b/hw/misc/exynos4210_pmu.c
@@ -471,7 +471,7 @@ static const VMStateDescription exynos4210_pmu_vmstate = {
     .name = "exynos4210.pmu",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(reg, Exynos4210PmuState, PMU_NUM_OF_REGISTERS),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/misc/imx_ccm.c b/hw/misc/imx_ccm.c
index 63e33a41da..750b9061db 100644
--- a/hw/misc/imx_ccm.c
+++ b/hw/misc/imx_ccm.c
@@ -57,7 +57,6 @@ static const VMStateDescription vmstate_imx_ccm = {
     .name = "imx-ccm",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(ccmr, IMXCCMState),
         VMSTATE_UINT32(pdr0, IMXCCMState),
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index 8d144baa1e..768e5288bc 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -684,8 +684,8 @@ static int pci_ivshmem_init(PCIDevice *dev)
     }
 
     if (s->role_val == IVSHMEM_PEER) {
-        error_set(&s->migration_blocker, QERR_DEVICE_FEATURE_BLOCKS_MIGRATION,
-                  "peer mode", "ivshmem");
+        error_setg(&s->migration_blocker,
+                   "Migration is disabled when using feature 'peer mode' in device 'ivshmem'");
         migrate_add_blocker(s->migration_blocker);
     }
 
diff --git a/hw/misc/lm32_sys.c b/hw/misc/lm32_sys.c
index e394f2e63b..778eb6e042 100644
--- a/hw/misc/lm32_sys.c
+++ b/hw/misc/lm32_sys.c
@@ -141,8 +141,7 @@ static const VMStateDescription vmstate_lm32_sys = {
     .name = "lm32-sys",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, LM32SysState, R_MAX),
         VMSTATE_BUFFER(testname, LM32SysState),
         VMSTATE_END_OF_LIST()
diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c
index bc71aa7ccd..ff6051defe 100644
--- a/hw/misc/macio/cuda.c
+++ b/hw/misc/macio/cuda.c
@@ -617,8 +617,7 @@ static const VMStateDescription vmstate_cuda_timer = {
     .name = "cuda_timer",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT16(latch, CUDATimer),
         VMSTATE_UINT16(counter_value, CUDATimer),
         VMSTATE_INT64(load_time, CUDATimer),
@@ -632,8 +631,7 @@ static const VMStateDescription vmstate_cuda = {
     .name = "cuda",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT8(a, CUDAState),
         VMSTATE_UINT8(b, CUDAState),
         VMSTATE_UINT8(dira, CUDAState),
diff --git a/hw/misc/macio/mac_dbdma.c b/hw/misc/macio/mac_dbdma.c
index f47a736182..3335476c29 100644
--- a/hw/misc/macio/mac_dbdma.c
+++ b/hw/misc/macio/mac_dbdma.c
@@ -719,8 +719,7 @@ static const VMStateDescription vmstate_dbdma_channel = {
     .name = "dbdma_channel",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, struct DBDMA_channel, DBDMA_REGS),
         VMSTATE_END_OF_LIST()
     }
@@ -730,8 +729,7 @@ static const VMStateDescription vmstate_dbdma = {
     .name = "dbdma",
     .version_id = 2,
     .minimum_version_id = 2,
-    .minimum_version_id_old = 2,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_STRUCT_ARRAY(channels, DBDMAState, DBDMA_CHANNELS, 1,
                              vmstate_dbdma_channel, DBDMA_channel),
         VMSTATE_END_OF_LIST()
diff --git a/hw/misc/max111x.c b/hw/misc/max111x.c
index bba87c2ec5..bef3651d6e 100644
--- a/hw/misc/max111x.c
+++ b/hw/misc/max111x.c
@@ -110,8 +110,7 @@ static const VMStateDescription vmstate_max111x = {
     .name = "max111x",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_SSI_SLAVE(parent_obj, MAX111xState),
         VMSTATE_UINT8(tb1, MAX111xState),
         VMSTATE_UINT8(rb2, MAX111xState),
diff --git a/hw/misc/milkymist-hpdmc.c b/hw/misc/milkymist-hpdmc.c
index aef135e572..f5f4c1b343 100644
--- a/hw/misc/milkymist-hpdmc.c
+++ b/hw/misc/milkymist-hpdmc.c
@@ -143,8 +143,7 @@ static const VMStateDescription vmstate_milkymist_hpdmc = {
     .name = "milkymist-hpdmc",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, MilkymistHpdmcState, R_MAX),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/misc/milkymist-pfpu.c b/hw/misc/milkymist-pfpu.c
index b3b2143d51..609f33f9cd 100644
--- a/hw/misc/milkymist-pfpu.c
+++ b/hw/misc/milkymist-pfpu.c
@@ -513,8 +513,7 @@ static const VMStateDescription vmstate_milkymist_pfpu = {
     .name = "milkymist-pfpu",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, MilkymistPFPUState, R_MAX),
         VMSTATE_UINT32_ARRAY(gp_regs, MilkymistPFPUState, 128),
         VMSTATE_UINT32_ARRAY(microcode, MilkymistPFPUState, MICROCODE_WORDS),
diff --git a/hw/misc/mst_fpga.c b/hw/misc/mst_fpga.c
index c96810fec1..d5090799f8 100644
--- a/hw/misc/mst_fpga.c
+++ b/hw/misc/mst_fpga.c
@@ -219,12 +219,11 @@ static int mst_fpga_init(SysBusDevice *sbd)
 }
 
 static VMStateDescription vmstate_mst_fpga_regs = {
-	.name = "mainstone_fpga",
-	.version_id = 0,
-	.minimum_version_id = 0,
-	.minimum_version_id_old = 0,
-	.post_load = mst_fpga_post_load,
-	.fields = (VMStateField []) {
+    .name = "mainstone_fpga",
+    .version_id = 0,
+    .minimum_version_id = 0,
+    .post_load = mst_fpga_post_load,
+    .fields = (VMStateField[]) {
 		VMSTATE_UINT32(prev_level, mst_irq_state),
 		VMSTATE_UINT32(leddat1, mst_irq_state),
 		VMSTATE_UINT32(leddat2, mst_irq_state),
diff --git a/hw/misc/omap_gpmc.c b/hw/misc/omap_gpmc.c
index 2047274123..cddea241d4 100644
--- a/hw/misc/omap_gpmc.c
+++ b/hw/misc/omap_gpmc.c
@@ -242,6 +242,10 @@ static void fill_prefetch_fifo(struct omap_gpmc_s *s)
     if (bytes > s->prefetch.count) {
         bytes = s->prefetch.count;
     }
+    if (is16bit) {
+        bytes &= ~1;
+    }
+
     s->prefetch.count -= bytes;
     s->prefetch.fifopointer += bytes;
     fptr = 64 - s->prefetch.fifopointer;
diff --git a/hw/misc/slavio_misc.c b/hw/misc/slavio_misc.c
index 767544eca1..50985958a4 100644
--- a/hw/misc/slavio_misc.c
+++ b/hw/misc/slavio_misc.c
@@ -400,8 +400,7 @@ static const VMStateDescription vmstate_misc = {
     .name ="slavio_misc",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(dummy, MiscState),
         VMSTATE_UINT8(config, MiscState),
         VMSTATE_UINT8(aux1, MiscState),
diff --git a/hw/misc/tmp105.c b/hw/misc/tmp105.c
index 63aa3d6277..f3fe8b81fd 100644
--- a/hw/misc/tmp105.c
+++ b/hw/misc/tmp105.c
@@ -68,10 +68,12 @@ static void tmp105_set_temperature(Object *obj, Visitor *v, void *opaque,
                                    const char *name, Error **errp)
 {
     TMP105State *s = TMP105(obj);
+    Error *local_err = NULL;
     int64_t temp;
 
-    visit_type_int(v, &temp, name, errp);
-    if (error_is_set(errp)) {
+    visit_type_int(v, &temp, name, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
         return;
     }
     if (temp >= 128000 || temp < -128000) {
@@ -197,9 +199,8 @@ static const VMStateDescription vmstate_tmp105 = {
     .name = "TMP105",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .post_load = tmp105_post_load,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT8(len, TMP105State),
         VMSTATE_UINT8_ARRAY(buf, TMP105State, 2),
         VMSTATE_UINT8(pointer, TMP105State),
diff --git a/hw/misc/zynq_slcr.c b/hw/misc/zynq_slcr.c
index 2e53a2e21f..964f2532ff 100644
--- a/hw/misc/zynq_slcr.c
+++ b/hw/misc/zynq_slcr.c
@@ -428,8 +428,7 @@ static const VMStateDescription vmstate_zynq_slcr = {
     .name = "zynq_slcr",
     .version_id = 2,
     .minimum_version_id = 2,
-    .minimum_version_id_old = 2,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, ZynqSLCRState, ZYNQ_SLCR_NUM_REGS),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c
index e34b25e734..47e70381fe 100644
--- a/hw/net/cadence_gem.c
+++ b/hw/net/cadence_gem.c
@@ -388,7 +388,7 @@ typedef struct GemState {
 } GemState;
 
 /* The broadcast MAC address: 0xFFFFFFFFFFFF */
-const uint8_t broadcast_addr[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
+static const uint8_t broadcast_addr[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
 
 /*
  * gem_init_register_masks:
@@ -717,7 +717,6 @@ static ssize_t gem_receive(NetClientState *nc, const uint8_t *buf, size_t size)
         rxbuf_ptr = (void *)buf;
     } else {
         unsigned crc_val;
-        int      crc_offset;
 
         /* The application wants the FCS field, which QEMU does not provide.
          * We must try and caclculate one.
@@ -727,12 +726,7 @@ static ssize_t gem_receive(NetClientState *nc, const uint8_t *buf, size_t size)
         memset(rxbuf + size, 0, sizeof(rxbuf) - size);
         rxbuf_ptr = rxbuf;
         crc_val = cpu_to_le32(crc32(0, rxbuf, MAX(size, 60)));
-        if (size < 60) {
-            crc_offset = 60;
-        } else {
-            crc_offset = size;
-        }
-        memcpy(rxbuf + crc_offset, &crc_val, sizeof(crc_val));
+        memcpy(rxbuf + size, &crc_val, sizeof(crc_val));
 
         bytes_to_copy += 4;
         size += 4;
@@ -1257,8 +1251,7 @@ static const VMStateDescription vmstate_cadence_gem = {
     .name = "cadence_gem",
     .version_id = 2,
     .minimum_version_id = 2,
-    .minimum_version_id_old = 2,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, GemState, GEM_MAXREG),
         VMSTATE_UINT16_ARRAY(phy_regs, GemState, 32),
         VMSTATE_UINT8(phy_loop, GemState),
diff --git a/hw/net/lance.c b/hw/net/lance.c
index fe18564e1e..7811a9edc2 100644
--- a/hw/net/lance.c
+++ b/hw/net/lance.c
@@ -110,8 +110,7 @@ static const VMStateDescription vmstate_lance = {
     .name = "pcnet",
     .version_id = 3,
     .minimum_version_id = 2,
-    .minimum_version_id_old = 2,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_STRUCT(state, SysBusPCNetState, 0, vmstate_pcnet, PCNetState),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/net/milkymist-minimac2.c b/hw/net/milkymist-minimac2.c
index 1e9237984d..c023351c0d 100644
--- a/hw/net/milkymist-minimac2.c
+++ b/hw/net/milkymist-minimac2.c
@@ -492,8 +492,7 @@ static const VMStateDescription vmstate_milkymist_minimac2_mdio = {
     .name = "milkymist-minimac2-mdio",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_INT32(last_clk, MilkymistMinimac2MdioState),
         VMSTATE_INT32(count, MilkymistMinimac2MdioState),
         VMSTATE_UINT32(data, MilkymistMinimac2MdioState),
@@ -509,8 +508,7 @@ static const VMStateDescription vmstate_milkymist_minimac2 = {
     .name = "milkymist-minimac2",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, MilkymistMinimac2State, R_MAX),
         VMSTATE_UINT16_ARRAY(phy_regs, MilkymistMinimac2State, R_PHY_MAX),
         VMSTATE_STRUCT(mdio, MilkymistMinimac2State, 0,
diff --git a/hw/net/mipsnet.c b/hw/net/mipsnet.c
index e421b867e7..b26c369178 100644
--- a/hw/net/mipsnet.c
+++ b/hw/net/mipsnet.c
@@ -198,8 +198,7 @@ static const VMStateDescription vmstate_mipsnet = {
     .name = "mipsnet",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(busy, MIPSnetState),
         VMSTATE_UINT32(rx_count, MIPSnetState),
         VMSTATE_UINT32(rx_read, MIPSnetState),
diff --git a/hw/net/pcnet.c b/hw/net/pcnet.c
index 7cb47b3f1f..ebe505784d 100644
--- a/hw/net/pcnet.c
+++ b/hw/net/pcnet.c
@@ -718,7 +718,6 @@ static void pcnet_s_reset(PCNetState *s)
     s->csr[94]  = 0x0000;
     s->csr[100] = 0x0200;
     s->csr[103] = 0x0105;
-    s->csr[103] = 0x0105;
     s->csr[112] = 0x0000;
     s->csr[114] = 0x0000;
     s->csr[122] = 0x0000;
diff --git a/hw/net/smc91c111.c b/hw/net/smc91c111.c
index a8e29b3b42..d1dca8f4e2 100644
--- a/hw/net/smc91c111.c
+++ b/hw/net/smc91c111.c
@@ -54,7 +54,7 @@ static const VMStateDescription vmstate_smc91c111 = {
     .name = "smc91c111",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT16(tcr, smc91c111_state),
         VMSTATE_UINT16(rcr, smc91c111_state),
         VMSTATE_UINT16(cr, smc91c111_state),
diff --git a/hw/net/stellaris_enet.c b/hw/net/stellaris_enet.c
index d04e6a46f8..c9ee5d3f10 100644
--- a/hw/net/stellaris_enet.c
+++ b/hw/net/stellaris_enet.c
@@ -47,6 +47,11 @@ do { fprintf(stderr, "stellaris_enet: error: " fmt , ## __VA_ARGS__);} while (0)
     OBJECT_CHECK(stellaris_enet_state, (obj), TYPE_STELLARIS_ENET)
 
 typedef struct {
+    uint8_t data[2048];
+    uint32_t len;
+} StellarisEnetRxFrame;
+
+typedef struct {
     SysBusDevice parent_obj;
 
     uint32_t ris;
@@ -59,29 +64,159 @@ typedef struct {
     uint32_t mtxd;
     uint32_t mrxd;
     uint32_t np;
-    int tx_frame_len;
-    int tx_fifo_len;
+    uint32_t tx_fifo_len;
     uint8_t tx_fifo[2048];
     /* Real hardware has a 2k fifo, which works out to be at most 31 packets.
        We implement a full 31 packet fifo.  */
-    struct {
-        uint8_t data[2048];
-        int len;
-    } rx[31];
-    uint8_t *rx_fifo;
-    int rx_fifo_len;
-    int next_packet;
+    StellarisEnetRxFrame rx[31];
+    uint32_t rx_fifo_offset;
+    uint32_t next_packet;
     NICState *nic;
     NICConf conf;
     qemu_irq irq;
     MemoryRegion mmio;
 } stellaris_enet_state;
 
+static const VMStateDescription vmstate_rx_frame = {
+    .name = "stellaris_enet/rx_frame",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT8_ARRAY(data, StellarisEnetRxFrame, 2048),
+        VMSTATE_UINT32(len, StellarisEnetRxFrame),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static int stellaris_enet_post_load(void *opaque, int version_id)
+{
+    stellaris_enet_state *s = opaque;
+    int i;
+
+    /* Sanitize inbound state. Note that next_packet is an index but
+     * np is a size; hence their valid upper bounds differ.
+     */
+    if (s->next_packet >= ARRAY_SIZE(s->rx)) {
+        return -1;
+    }
+
+    if (s->np > ARRAY_SIZE(s->rx)) {
+        return -1;
+    }
+
+    for (i = 0; i < ARRAY_SIZE(s->rx); i++) {
+        if (s->rx[i].len > ARRAY_SIZE(s->rx[i].data)) {
+            return -1;
+        }
+    }
+
+    if (s->rx_fifo_offset > ARRAY_SIZE(s->rx[0].data) - 4) {
+        return -1;
+    }
+
+    if (s->tx_fifo_len > ARRAY_SIZE(s->tx_fifo)) {
+        return -1;
+    }
+
+    return 0;
+}
+
+static const VMStateDescription vmstate_stellaris_enet = {
+    .name = "stellaris_enet",
+    .version_id = 2,
+    .minimum_version_id = 2,
+    .post_load = stellaris_enet_post_load,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT32(ris, stellaris_enet_state),
+        VMSTATE_UINT32(im, stellaris_enet_state),
+        VMSTATE_UINT32(rctl, stellaris_enet_state),
+        VMSTATE_UINT32(tctl, stellaris_enet_state),
+        VMSTATE_UINT32(thr, stellaris_enet_state),
+        VMSTATE_UINT32(mctl, stellaris_enet_state),
+        VMSTATE_UINT32(mdv, stellaris_enet_state),
+        VMSTATE_UINT32(mtxd, stellaris_enet_state),
+        VMSTATE_UINT32(mrxd, stellaris_enet_state),
+        VMSTATE_UINT32(np, stellaris_enet_state),
+        VMSTATE_UINT32(tx_fifo_len, stellaris_enet_state),
+        VMSTATE_UINT8_ARRAY(tx_fifo, stellaris_enet_state, 2048),
+        VMSTATE_STRUCT_ARRAY(rx, stellaris_enet_state, 31, 1,
+                             vmstate_rx_frame, StellarisEnetRxFrame),
+        VMSTATE_UINT32(rx_fifo_offset, stellaris_enet_state),
+        VMSTATE_UINT32(next_packet, stellaris_enet_state),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 static void stellaris_enet_update(stellaris_enet_state *s)
 {
     qemu_set_irq(s->irq, (s->ris & s->im) != 0);
 }
 
+/* Return the data length of the packet currently being assembled
+ * in the TX fifo.
+ */
+static inline int stellaris_txpacket_datalen(stellaris_enet_state *s)
+{
+    return s->tx_fifo[0] | (s->tx_fifo[1] << 8);
+}
+
+/* Return true if the packet currently in the TX FIFO is complete,
+* ie the FIFO holds enough bytes for the data length, ethernet header,
+* payload and optionally CRC.
+*/
+static inline bool stellaris_txpacket_complete(stellaris_enet_state *s)
+{
+    int framelen = stellaris_txpacket_datalen(s);
+    framelen += 16;
+    if (!(s->tctl & SE_TCTL_CRC)) {
+        framelen += 4;
+    }
+    /* Cover the corner case of a 2032 byte payload with auto-CRC disabled:
+     * this requires more bytes than will fit in the FIFO. It's not totally
+     * clear how the h/w handles this, but if using threshold-based TX
+     * it will definitely try to transmit something.
+     */
+    framelen = MIN(framelen, ARRAY_SIZE(s->tx_fifo));
+    return s->tx_fifo_len >= framelen;
+}
+
+/* Return true if the TX FIFO threshold is enabled and the FIFO
+ * has filled enough to reach it.
+ */
+static inline bool stellaris_tx_thr_reached(stellaris_enet_state *s)
+{
+    return (s->thr < 0x3f &&
+            (s->tx_fifo_len >= 4 * (s->thr * 8 + 1)));
+}
+
+/* Send the packet currently in the TX FIFO */
+static void stellaris_enet_send(stellaris_enet_state *s)
+{
+    int framelen = stellaris_txpacket_datalen(s);
+
+    /* Ethernet header is in the FIFO but not in the datacount.
+     * We don't implement explicit CRC, so just ignore any
+     * CRC value in the FIFO.
+     */
+    framelen += 14;
+    if ((s->tctl & SE_TCTL_PADEN) && framelen < 60) {
+        memset(&s->tx_fifo[framelen + 2], 0, 60 - framelen);
+        framelen = 60;
+    }
+    /* This MIN will have no effect unless the FIFO data is corrupt
+     * (eg bad data from an incoming migration); otherwise the check
+     * on the datalen at the start of writing the data into the FIFO
+     * will have caught this. Silently write a corrupt half-packet,
+     * which is what the hardware does in FIFO underrun situations.
+     */
+    framelen = MIN(framelen, ARRAY_SIZE(s->tx_fifo) - 2);
+    qemu_send_packet(qemu_get_queue(s->nic), s->tx_fifo + 2, framelen);
+    s->tx_fifo_len = 0;
+    s->ris |= SE_INT_TXEMP;
+    stellaris_enet_update(s);
+    DPRINTF("Done TX\n");
+}
+
 /* TODO: Implement MAC address filtering.  */
 static ssize_t stellaris_enet_receive(NetClientState *nc, const uint8_t *buf, size_t size)
 {
@@ -97,7 +232,7 @@ static ssize_t stellaris_enet_receive(NetClientState *nc, const uint8_t *buf, si
         return -1;
     }
 
-    DPRINTF("Received packet len=%d\n", size);
+    DPRINTF("Received packet len=%zu\n", size);
     n = s->next_packet + s->np;
     if (n >= 31)
         n -= 31;
@@ -152,21 +287,21 @@ static uint64_t stellaris_enet_read(void *opaque, hwaddr offset,
     case 0x0c: /* TCTL */
         return s->tctl;
     case 0x10: /* DATA */
-        if (s->rx_fifo_len == 0) {
-            if (s->np == 0) {
-                BADF("RX underflow\n");
-                return 0;
-            }
-            s->rx_fifo_len = s->rx[s->next_packet].len;
-            s->rx_fifo = s->rx[s->next_packet].data;
-            DPRINTF("RX FIFO start packet len=%d\n", s->rx_fifo_len);
+    {
+        uint8_t *rx_fifo;
+
+        if (s->np == 0) {
+            BADF("RX underflow\n");
+            return 0;
         }
-        val = s->rx_fifo[0] | (s->rx_fifo[1] << 8) | (s->rx_fifo[2] << 16)
-              | (s->rx_fifo[3] << 24);
-        s->rx_fifo += 4;
-        s->rx_fifo_len -= 4;
-        if (s->rx_fifo_len <= 0) {
-            s->rx_fifo_len = 0;
+
+        rx_fifo = s->rx[s->next_packet].data + s->rx_fifo_offset;
+
+        val = rx_fifo[0] | (rx_fifo[1] << 8) | (rx_fifo[2] << 16)
+              | (rx_fifo[3] << 24);
+        s->rx_fifo_offset += 4;
+        if (s->rx_fifo_offset >= s->rx[s->next_packet].len) {
+            s->rx_fifo_offset = 0;
             s->next_packet++;
             if (s->next_packet >= 31)
                 s->next_packet = 0;
@@ -174,6 +309,7 @@ static uint64_t stellaris_enet_read(void *opaque, hwaddr offset,
             DPRINTF("RX done np=%d\n", s->np);
         }
         return val;
+    }
     case 0x14: /* IA0 */
         return s->conf.macaddr.a[0] | (s->conf.macaddr.a[1] << 8)
             | (s->conf.macaddr.a[2] << 16)
@@ -212,22 +348,23 @@ static void stellaris_enet_write(void *opaque, hwaddr offset,
     switch (offset) {
     case 0x00: /* IACK */
         s->ris &= ~value;
-        DPRINTF("IRQ ack %02x/%02x\n", value, s->ris);
+        DPRINTF("IRQ ack %02" PRIx64 "/%02x\n", value, s->ris);
         stellaris_enet_update(s);
         /* Clearing TXER also resets the TX fifo.  */
-        if (value & SE_INT_TXER)
-            s->tx_frame_len = -1;
+        if (value & SE_INT_TXER) {
+            s->tx_fifo_len = 0;
+        }
         break;
     case 0x04: /* IM */
-        DPRINTF("IRQ mask %02x/%02x\n", value, s->ris);
+        DPRINTF("IRQ mask %02" PRIx64 "/%02x\n", value, s->ris);
         s->im = value;
         stellaris_enet_update(s);
         break;
     case 0x08: /* RCTL */
         s->rctl = value;
         if (value & SE_RCTL_RSTFIFO) {
-            s->rx_fifo_len = 0;
             s->np = 0;
+            s->rx_fifo_offset = 0;
             stellaris_enet_update(s);
         }
         break;
@@ -235,43 +372,26 @@ static void stellaris_enet_write(void *opaque, hwaddr offset,
         s->tctl = value;
         break;
     case 0x10: /* DATA */
-        if (s->tx_frame_len == -1) {
-            s->tx_frame_len = value & 0xffff;
-            if (s->tx_frame_len > 2032) {
-                DPRINTF("TX frame too long (%d)\n", s->tx_frame_len);
-                s->tx_frame_len = 0;
+        if (s->tx_fifo_len == 0) {
+            /* The first word is special, it contains the data length */
+            int framelen = value & 0xffff;
+            if (framelen > 2032) {
+                DPRINTF("TX frame too long (%d)\n", framelen);
                 s->ris |= SE_INT_TXER;
                 stellaris_enet_update(s);
-            } else {
-                DPRINTF("Start TX frame len=%d\n", s->tx_frame_len);
-                /* The value written does not include the ethernet header.  */
-                s->tx_frame_len += 14;
-                if ((s->tctl & SE_TCTL_CRC) == 0)
-                    s->tx_frame_len += 4;
-                s->tx_fifo_len = 0;
-                s->tx_fifo[s->tx_fifo_len++] = value >> 16;
-                s->tx_fifo[s->tx_fifo_len++] = value >> 24;
+                break;
             }
-        } else {
+        }
+
+        if (s->tx_fifo_len + 4 <= ARRAY_SIZE(s->tx_fifo)) {
             s->tx_fifo[s->tx_fifo_len++] = value;
             s->tx_fifo[s->tx_fifo_len++] = value >> 8;
             s->tx_fifo[s->tx_fifo_len++] = value >> 16;
             s->tx_fifo[s->tx_fifo_len++] = value >> 24;
-            if (s->tx_fifo_len >= s->tx_frame_len) {
-                /* We don't implement explicit CRC, so just chop it off.  */
-                if ((s->tctl & SE_TCTL_CRC) == 0)
-                    s->tx_frame_len -= 4;
-                if ((s->tctl & SE_TCTL_PADEN) && s->tx_frame_len < 60) {
-                    memset(&s->tx_fifo[s->tx_frame_len], 0, 60 - s->tx_frame_len);
-                    s->tx_fifo_len = 60;
-                }
-                qemu_send_packet(qemu_get_queue(s->nic), s->tx_fifo,
-                                 s->tx_frame_len);
-                s->tx_frame_len = -1;
-                s->ris |= SE_INT_TXEMP;
-                stellaris_enet_update(s);
-                DPRINTF("Done TX\n");
-            }
+        }
+
+        if (stellaris_tx_thr_reached(s) && stellaris_txpacket_complete(s)) {
+            stellaris_enet_send(s);
         }
         break;
     case 0x14: /* IA0 */
@@ -299,9 +419,13 @@ static void stellaris_enet_write(void *opaque, hwaddr offset,
     case 0x2c: /* MTXD */
         s->mtxd = value & 0xff;
         break;
+    case 0x38: /* TR */
+        if (value & 1) {
+            stellaris_enet_send(s);
+        }
+        break;
     case 0x30: /* MRXD */
     case 0x34: /* NP */
-    case 0x38: /* TR */
         /* Ignored.  */
     case 0x3c: /* Undocuented: Timestamp? */
         /* Ignored.  */
@@ -324,68 +448,7 @@ static void stellaris_enet_reset(stellaris_enet_state *s)
     s->im = SE_INT_PHY | SE_INT_MD | SE_INT_RXER | SE_INT_FOV | SE_INT_TXEMP
             | SE_INT_TXER | SE_INT_RX;
     s->thr = 0x3f;
-    s->tx_frame_len = -1;
-}
-
-static void stellaris_enet_save(QEMUFile *f, void *opaque)
-{
-    stellaris_enet_state *s = (stellaris_enet_state *)opaque;
-    int i;
-
-    qemu_put_be32(f, s->ris);
-    qemu_put_be32(f, s->im);
-    qemu_put_be32(f, s->rctl);
-    qemu_put_be32(f, s->tctl);
-    qemu_put_be32(f, s->thr);
-    qemu_put_be32(f, s->mctl);
-    qemu_put_be32(f, s->mdv);
-    qemu_put_be32(f, s->mtxd);
-    qemu_put_be32(f, s->mrxd);
-    qemu_put_be32(f, s->np);
-    qemu_put_be32(f, s->tx_frame_len);
-    qemu_put_be32(f, s->tx_fifo_len);
-    qemu_put_buffer(f, s->tx_fifo, sizeof(s->tx_fifo));
-    for (i = 0; i < 31; i++) {
-        qemu_put_be32(f, s->rx[i].len);
-        qemu_put_buffer(f, s->rx[i].data, sizeof(s->rx[i].data));
-
-    }
-    qemu_put_be32(f, s->next_packet);
-    qemu_put_be32(f, s->rx_fifo - s->rx[s->next_packet].data);
-    qemu_put_be32(f, s->rx_fifo_len);
-}
-
-static int stellaris_enet_load(QEMUFile *f, void *opaque, int version_id)
-{
-    stellaris_enet_state *s = (stellaris_enet_state *)opaque;
-    int i;
-
-    if (version_id != 1)
-        return -EINVAL;
-
-    s->ris = qemu_get_be32(f);
-    s->im = qemu_get_be32(f);
-    s->rctl = qemu_get_be32(f);
-    s->tctl = qemu_get_be32(f);
-    s->thr = qemu_get_be32(f);
-    s->mctl = qemu_get_be32(f);
-    s->mdv = qemu_get_be32(f);
-    s->mtxd = qemu_get_be32(f);
-    s->mrxd = qemu_get_be32(f);
-    s->np = qemu_get_be32(f);
-    s->tx_frame_len = qemu_get_be32(f);
-    s->tx_fifo_len = qemu_get_be32(f);
-    qemu_get_buffer(f, s->tx_fifo, sizeof(s->tx_fifo));
-    for (i = 0; i < 31; i++) {
-        s->rx[i].len = qemu_get_be32(f);
-        qemu_get_buffer(f, s->rx[i].data, sizeof(s->rx[i].data));
-
-    }
-    s->next_packet = qemu_get_be32(f);
-    s->rx_fifo = s->rx[s->next_packet].data + qemu_get_be32(f);
-    s->rx_fifo_len = qemu_get_be32(f);
-
-    return 0;
+    s->tx_fifo_len = 0;
 }
 
 static void stellaris_enet_cleanup(NetClientState *nc)
@@ -419,8 +482,6 @@ static int stellaris_enet_init(SysBusDevice *sbd)
     qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
 
     stellaris_enet_reset(s);
-    register_savevm(dev, "stellaris_enet", -1, 1,
-                    stellaris_enet_save, stellaris_enet_load, s);
     return 0;
 }
 
@@ -428,8 +489,6 @@ static void stellaris_enet_unrealize(DeviceState *dev, Error **errp)
 {
     stellaris_enet_state *s = STELLARIS_ENET(dev);
 
-    unregister_savevm(DEVICE(s), "stellaris_enet", s);
-
     memory_region_destroy(&s->mmio);
 }
 
@@ -446,6 +505,7 @@ static void stellaris_enet_class_init(ObjectClass *klass, void *data)
     k->init = stellaris_enet_init;
     dc->unrealize = stellaris_enet_unrealize;
     dc->props = stellaris_enet_properties;
+    dc->vmsd = &vmstate_stellaris_enet;
 }
 
 static const TypeInfo stellaris_enet_info = {
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 33bd233a2d..940a7cfe54 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -1362,10 +1362,17 @@ static int virtio_net_load(QEMUFile *f, void *opaque, int version_id)
         if (n->mac_table.in_use <= MAC_TABLE_ENTRIES) {
             qemu_get_buffer(f, n->mac_table.macs,
                             n->mac_table.in_use * ETH_ALEN);
-        } else if (n->mac_table.in_use) {
-            uint8_t *buf = g_malloc0(n->mac_table.in_use);
-            qemu_get_buffer(f, buf, n->mac_table.in_use * ETH_ALEN);
-            g_free(buf);
+        } else {
+            int64_t i;
+
+            /* Overflow detected - can happen if source has a larger MAC table.
+             * We simply set overflow flag so there's no need to maintain the
+             * table of addresses, discard them all.
+             * Note: 64 bit math to avoid integer overflow.
+             */
+            for (i = 0; i < (int64_t)n->mac_table.in_use * ETH_ALEN; ++i) {
+                qemu_get_byte(f);
+            }
             n->mac_table.multi_overflow = n->mac_table.uni_overflow = 1;
             n->mac_table.in_use = 0;
         }
@@ -1407,6 +1414,11 @@ static int virtio_net_load(QEMUFile *f, void *opaque, int version_id)
         }
 
         n->curr_queues = qemu_get_be16(f);
+        if (n->curr_queues > n->max_queues) {
+            error_report("virtio-net: curr_queues %x > max_queues %x",
+                         n->curr_queues, n->max_queues);
+            return -1;
+        }
         for (i = 1; i < n->curr_queues; i++) {
             n->vqs[i].tx_waiting = qemu_get_be32(f);
         }
diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c
index ddcee4bd21..1bb9259df2 100644
--- a/hw/net/vmxnet3.c
+++ b/hw/net/vmxnet3.c
@@ -2305,7 +2305,7 @@ static void vmxnet3_put_txq_descr(QEMUFile *f, void *pv, size_t size)
     vmxnet3_put_tx_stats_to_file(f, &r->txq_stats);
 }
 
-const VMStateInfo txq_descr_info = {
+static const VMStateInfo txq_descr_info = {
     .name = "txq_descr",
     .get = vmxnet3_get_txq_descr,
     .put = vmxnet3_put_txq_descr
@@ -2397,7 +2397,7 @@ static int vmxnet3_post_load(void *opaque, int version_id)
     return 0;
 }
 
-const VMStateInfo rxq_descr_info = {
+static const VMStateInfo rxq_descr_info = {
     .name = "rxq_descr",
     .get = vmxnet3_get_rxq_descr,
     .put = vmxnet3_put_rxq_descr
@@ -2423,7 +2423,7 @@ static void vmxnet3_put_int_state(QEMUFile *f, void *pv, size_t size)
     qemu_put_byte(f, r->is_asserted);
 }
 
-const VMStateInfo int_state_info = {
+static const VMStateInfo int_state_info = {
     .name = "int_state",
     .get = vmxnet3_get_int_state,
     .put = vmxnet3_put_int_state
diff --git a/hw/net/xgmac.c b/hw/net/xgmac.c
index 9384fa0c5c..aeffcb58b7 100644
--- a/hw/net/xgmac.c
+++ b/hw/net/xgmac.c
@@ -152,11 +152,11 @@ typedef struct XgmacState {
     uint32_t regs[R_MAX];
 } XgmacState;
 
-const VMStateDescription vmstate_rxtx_stats = {
+static const VMStateDescription vmstate_rxtx_stats = {
     .name = "xgmac_stats",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT64(rx_bytes, RxTxStats),
         VMSTATE_UINT64(tx_bytes, RxTxStats),
         VMSTATE_UINT64(rx, RxTxStats),
diff --git a/hw/net/xilinx_axienet.c b/hw/net/xilinx_axienet.c
index 839d97ca86..cd952d2514 100644
--- a/hw/net/xilinx_axienet.c
+++ b/hw/net/xilinx_axienet.c
@@ -98,7 +98,7 @@ static unsigned int tdk_read(struct PHY *phy, unsigned int req)
             r |= 1;
             break;
         case 17:
-            /* Marvel PHY on many xilinx boards.  */
+            /* Marvell PHY on many xilinx boards.  */
             r = 0x8000; /* 1000Mb  */
             break;
         case 18:
@@ -142,6 +142,9 @@ tdk_write(struct PHY *phy, unsigned int req, unsigned int data)
             phy->regs[regnum] = data;
             break;
     }
+
+    /* Unconditionally clear regs[BMCR][BMCR_RESET] */
+    phy->regs[0] &= ~0x8000;
 }
 
 static void
@@ -942,24 +945,24 @@ static void xilinx_enet_realize(DeviceState *dev, Error **errp)
     XilinxAXIEnetStreamSlave *ds = XILINX_AXI_ENET_DATA_STREAM(&s->rx_data_dev);
     XilinxAXIEnetStreamSlave *cs = XILINX_AXI_ENET_CONTROL_STREAM(
                                                             &s->rx_control_dev);
-    Error *local_errp = NULL;
+    Error *local_err = NULL;
 
     object_property_add_link(OBJECT(ds), "enet", "xlnx.axi-ethernet",
                              (Object **) &ds->enet,
                              object_property_allow_set_link,
                              OBJ_PROP_LINK_UNREF_ON_RELEASE,
-                             &local_errp);
+                             &local_err);
     object_property_add_link(OBJECT(cs), "enet", "xlnx.axi-ethernet",
                              (Object **) &cs->enet,
                              object_property_allow_set_link,
                              OBJ_PROP_LINK_UNREF_ON_RELEASE,
-                             &local_errp);
-    if (local_errp) {
+                             &local_err);
+    if (local_err) {
         goto xilinx_enet_realize_fail;
     }
-    object_property_set_link(OBJECT(ds), OBJECT(s), "enet", &local_errp);
-    object_property_set_link(OBJECT(cs), OBJECT(s), "enet", &local_errp);
-    if (local_errp) {
+    object_property_set_link(OBJECT(ds), OBJECT(s), "enet", &local_err);
+    object_property_set_link(OBJECT(cs), OBJECT(s), "enet", &local_err);
+    if (local_err) {
         goto xilinx_enet_realize_fail;
     }
 
@@ -978,7 +981,7 @@ static void xilinx_enet_realize(DeviceState *dev, Error **errp)
 
 xilinx_enet_realize_fail:
     if (!*errp) {
-        *errp = local_errp;
+        *errp = local_err;
     }
 }
 
diff --git a/hw/nvram/ds1225y.c b/hw/nvram/ds1225y.c
index f9a700b01c..332598b257 100644
--- a/hw/nvram/ds1225y.c
+++ b/hw/nvram/ds1225y.c
@@ -95,7 +95,6 @@ static const VMStateDescription vmstate_nvram = {
     .name = "nvram",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .post_load = nvram_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_VARRAY_UINT32(contents, NvRamState, chip_size, 0,
diff --git a/hw/nvram/mac_nvram.c b/hw/nvram/mac_nvram.c
index 2eb008179a..170b10b766 100644
--- a/hw/nvram/mac_nvram.c
+++ b/hw/nvram/mac_nvram.c
@@ -96,8 +96,7 @@ static const VMStateDescription vmstate_macio_nvram = {
     .name = "macio_nvram",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_VBUFFER_UINT32(data, MacIONVRAMState, 0, NULL, 0, size),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/pci-host/bonito.c b/hw/pci-host/bonito.c
index 902441f10b..56292adb03 100644
--- a/hw/pci-host/bonito.c
+++ b/hw/pci-host/bonito.c
@@ -687,8 +687,7 @@ static const VMStateDescription vmstate_bonito = {
     .name = "Bonito",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_PCI_DEVICE(dev, PCIBonitoState),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 2a9f08eb0a..22fe5eec36 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -475,7 +475,7 @@ const VMStateDescription vmstate_pci_device = {
     .minimum_version_id = 1,
     .minimum_version_id_old = 1,
     .fields      = (VMStateField []) {
-        VMSTATE_INT32_LE(version_id, PCIDevice),
+        VMSTATE_INT32_POSITIVE_LE(version_id, PCIDevice),
         VMSTATE_BUFFER_UNSAFE_INFO(config, PCIDevice, 0,
                                    vmstate_info_pci_config,
                                    PCI_CONFIG_SPACE_SIZE),
@@ -492,7 +492,7 @@ const VMStateDescription vmstate_pcie_device = {
     .minimum_version_id = 1,
     .minimum_version_id_old = 1,
     .fields      = (VMStateField []) {
-        VMSTATE_INT32_LE(version_id, PCIDevice),
+        VMSTATE_INT32_POSITIVE_LE(version_id, PCIDevice),
         VMSTATE_BUFFER_UNSAFE_INFO(config, PCIDevice, 0,
                                    vmstate_info_pci_config,
                                    PCIE_CONFIG_SPACE_SIZE),
@@ -2013,12 +2013,32 @@ static void pci_del_option_rom(PCIDevice *pdev)
 int pci_add_capability(PCIDevice *pdev, uint8_t cap_id,
                        uint8_t offset, uint8_t size)
 {
+    int ret;
+    Error *local_err = NULL;
+
+    ret = pci_add_capability2(pdev, cap_id, offset, size, &local_err);
+    if (local_err) {
+        assert(ret < 0);
+        error_report("%s", error_get_pretty(local_err));
+        error_free(local_err);
+    } else {
+        /* success implies a positive offset in config space */
+        assert(ret > 0);
+    }
+    return ret;
+}
+
+int pci_add_capability2(PCIDevice *pdev, uint8_t cap_id,
+                       uint8_t offset, uint8_t size,
+                       Error **errp)
+{
     uint8_t *config;
     int i, overlapping_cap;
 
     if (!offset) {
         offset = pci_find_space(pdev, size);
         if (!offset) {
+            error_setg(errp, "out of PCI config space");
             return -ENOSPC;
         }
     } else {
@@ -2029,12 +2049,12 @@ int pci_add_capability(PCIDevice *pdev, uint8_t cap_id,
         for (i = offset; i < offset + size; i++) {
             overlapping_cap = pci_find_capability_at_offset(pdev, i);
             if (overlapping_cap) {
-                fprintf(stderr, "ERROR: %s:%02x:%02x.%x "
-                        "Attempt to add PCI capability %x at offset "
-                        "%x overlaps existing capability %x at offset %x\n",
-                        pci_root_bus_path(pdev), pci_bus_num(pdev->bus),
-                        PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
-                        cap_id, offset, overlapping_cap, i);
+                error_setg(errp, "%s:%02x:%02x.%x "
+                           "Attempt to add PCI capability %x at offset "
+                           "%x overlaps existing capability %x at offset %x",
+                           pci_root_bus_path(pdev), pci_bus_num(pdev->bus),
+                           PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
+                           cap_id, offset, overlapping_cap, i);
                 return -EINVAL;
             }
         }
diff --git a/hw/pci/pcie_aer.c b/hw/pci/pcie_aer.c
index 991502e517..535be2c08a 100644
--- a/hw/pci/pcie_aer.c
+++ b/hw/pci/pcie_aer.c
@@ -795,6 +795,13 @@ static const VMStateDescription vmstate_pcie_aer_err = {
     }
 };
 
+static bool pcie_aer_state_log_num_valid(void *opaque, int version_id)
+{
+    PCIEAERLog *s = opaque;
+
+    return s->log_num <= s->log_max;
+}
+
 const VMStateDescription vmstate_pcie_aer_log = {
     .name = "PCIE_AER_ERROR_LOG",
     .version_id = 1,
@@ -802,7 +809,8 @@ const VMStateDescription vmstate_pcie_aer_log = {
     .minimum_version_id_old = 1,
     .fields     = (VMStateField[]) {
         VMSTATE_UINT16(log_num, PCIEAERLog),
-        VMSTATE_UINT16(log_max, PCIEAERLog),
+        VMSTATE_UINT16_EQUAL(log_max, PCIEAERLog),
+        VMSTATE_VALIDATE("log_num <= log_max", pcie_aer_state_log_num_valid),
         VMSTATE_STRUCT_VARRAY_POINTER_UINT16(log, PCIEAERLog, log_num,
                               vmstate_pcie_aer_err, PCIEAERErr),
         VMSTATE_END_OF_LIST()
diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c
index e2436512f7..585937321f 100644
--- a/hw/ppc/prep.c
+++ b/hw/ppc/prep.c
@@ -361,6 +361,8 @@ static const MemoryRegionPortio prep_portio_list[] = {
     PORTIO_END_OF_LIST(),
 };
 
+static PortioList prep_port_list;
+
 /* PowerPC PREP hardware initialisation */
 static void ppc_prep_init(QEMUMachineInitArgs *args)
 {
@@ -375,7 +377,6 @@ static void ppc_prep_init(QEMUMachineInitArgs *args)
     CPUPPCState *env = NULL;
     nvram_t nvram;
     M48t59State *m48t59;
-    PortioList *port_list = g_new(PortioList, 1);
 #if 0
     MemoryRegion *xcsr = g_new(MemoryRegion, 1);
 #endif
@@ -542,8 +543,8 @@ static void ppc_prep_init(QEMUMachineInitArgs *args)
     cpu = POWERPC_CPU(first_cpu);
     sysctrl->reset_irq = cpu->env.irq_inputs[PPC6xx_INPUT_HRESET];
 
-    portio_list_init(port_list, NULL, prep_portio_list, sysctrl, "prep");
-    portio_list_add(port_list, isa_address_space_io(isa), 0x0);
+    portio_list_init(&prep_port_list, NULL, prep_portio_list, sysctrl, "prep");
+    portio_list_add(&prep_port_list, isa_address_space_io(isa), 0x0);
 
     /* PowerPC control and status register group */
 #if 0
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index a11e1217b9..b4ce950bbd 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1419,19 +1419,6 @@ static int spapr_kvm_type(const char *vm_type)
     exit(1);
 }
 
-static QEMUMachine spapr_machine = {
-    .name = "pseries",
-    .desc = "pSeries Logical Partition (PAPR compliant)",
-    .is_default = 1,
-    .init = ppc_spapr_init,
-    .reset = ppc_spapr_reset,
-    .block_default_type = IF_SCSI,
-    .max_cpus = MAX_CPUS,
-    .no_parallel = 1,
-    .default_boot_order = NULL,
-    .kvm_type = spapr_kvm_type,
-};
-
 /*
  * Implementation of an interface to adjust firmware patch
  * for the bootindex property handling.
@@ -1494,7 +1481,17 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
     MachineClass *mc = MACHINE_CLASS(oc);
     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
 
-    mc->qemu_machine = data;
+    mc->name = "pseries";
+    mc->desc = "pSeries Logical Partition (PAPR compliant)";
+    mc->is_default = 1;
+    mc->init = ppc_spapr_init;
+    mc->reset = ppc_spapr_reset;
+    mc->block_default_type = IF_SCSI;
+    mc->max_cpus = MAX_CPUS;
+    mc->no_parallel = 1;
+    mc->default_boot_order = NULL;
+    mc->kvm_type = spapr_kvm_type;
+
     fwc->get_dev_path = spapr_get_fw_dev_path;
 }
 
@@ -1502,7 +1499,6 @@ static const TypeInfo spapr_machine_info = {
     .name          = TYPE_SPAPR_MACHINE,
     .parent        = TYPE_MACHINE,
     .class_init    = spapr_machine_class_init,
-    .class_data    = &spapr_machine,
     .interfaces = (InterfaceInfo[]) {
         { TYPE_FW_PATH_PROVIDER },
         { }
diff --git a/hw/ppc/spapr_iommu.c b/hw/ppc/spapr_iommu.c
index d9fe946818..72493d802a 100644
--- a/hw/ppc/spapr_iommu.c
+++ b/hw/ppc/spapr_iommu.c
@@ -35,7 +35,7 @@ enum sPAPRTCEAccess {
     SPAPR_TCE_RW = 3,
 };
 
-QLIST_HEAD(spapr_tce_tables, sPAPRTCETable) spapr_tce_tables;
+static QLIST_HEAD(spapr_tce_tables, sPAPRTCETable) spapr_tce_tables;
 
 static sPAPRTCETable *spapr_tce_find_by_liobn(uint32_t liobn)
 {
diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c
index 73860d0486..ea4a2b2698 100644
--- a/hw/ppc/spapr_rtas.c
+++ b/hw/ppc/spapr_rtas.c
@@ -272,7 +272,7 @@ static struct rtas_call {
     spapr_rtas_fn fn;
 } rtas_table[TOKEN_MAX];
 
-struct rtas_call *rtas_next = rtas_table;
+static struct rtas_call *rtas_next = rtas_table;
 
 target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPREnvironment *spapr,
                              uint32_t token, uint32_t nargs, target_ulong args,
diff --git a/hw/s390x/css.c b/hw/s390x/css.c
index 7074d2b3d5..122cc7e66f 100644
--- a/hw/s390x/css.c
+++ b/hw/s390x/css.c
@@ -140,7 +140,6 @@ static void sch_handle_clear_func(SubchDev *sch)
     s->flags &= ~SCSW_FLAGS_MASK_PNO;
 
     /* We always 'attempt to issue the clear signal', and we always succeed. */
-    sch->orb = NULL;
     sch->channel_prog = 0x0;
     sch->last_cmd_valid = false;
     s->ctrl &= ~SCSW_ACTL_CLEAR_PEND;
@@ -163,7 +162,6 @@ static void sch_handle_halt_func(SubchDev *sch)
     path = 0x80;
 
     /* We always 'attempt to issue the halt signal', and we always succeed. */
-    sch->orb = NULL;
     sch->channel_prog = 0x0;
     sch->last_cmd_valid = false;
     s->ctrl &= ~SCSW_ACTL_HALT_PEND;
@@ -317,12 +315,11 @@ static int css_interpret_ccw(SubchDev *sch, hwaddr ccw_addr)
     return ret;
 }
 
-static void sch_handle_start_func(SubchDev *sch)
+static void sch_handle_start_func(SubchDev *sch, ORB *orb)
 {
 
     PMCW *p = &sch->curr_status.pmcw;
     SCSW *s = &sch->curr_status.scsw;
-    ORB *orb = sch->orb;
     int path;
     int ret;
 
@@ -331,6 +328,7 @@ static void sch_handle_start_func(SubchDev *sch)
 
     if (!(s->ctrl & SCSW_ACTL_SUSP)) {
         /* Look at the orb and try to execute the channel program. */
+        assert(orb != NULL); /* resume does not pass an orb */
         p->intparm = orb->intparm;
         if (!(orb->lpm & path)) {
             /* Generate a deferred cc 3 condition. */
@@ -406,7 +404,7 @@ static void sch_handle_start_func(SubchDev *sch)
  * read/writes) asynchronous later on if we start supporting more than
  * our current very simple devices.
  */
-static void do_subchannel_work(SubchDev *sch)
+static void do_subchannel_work(SubchDev *sch, ORB *orb)
 {
 
     SCSW *s = &sch->curr_status.scsw;
@@ -416,7 +414,7 @@ static void do_subchannel_work(SubchDev *sch)
     } else if (s->ctrl & SCSW_FCTL_HALT_FUNC) {
         sch_handle_halt_func(sch);
     } else if (s->ctrl & SCSW_FCTL_START_FUNC) {
-        sch_handle_start_func(sch);
+        sch_handle_start_func(sch, orb);
     } else {
         /* Cannot happen. */
         return;
@@ -594,7 +592,6 @@ int css_do_xsch(SubchDev *sch)
                  SCSW_ACTL_SUSP);
     sch->channel_prog = 0x0;
     sch->last_cmd_valid = false;
-    sch->orb = NULL;
     s->dstat = 0;
     s->cstat = 0;
     ret = 0;
@@ -618,7 +615,7 @@ int css_do_csch(SubchDev *sch)
     s->ctrl &= ~(SCSW_CTRL_MASK_FCTL | SCSW_CTRL_MASK_ACTL);
     s->ctrl |= SCSW_FCTL_CLEAR_FUNC | SCSW_FCTL_CLEAR_FUNC;
 
-    do_subchannel_work(sch);
+    do_subchannel_work(sch, NULL);
     ret = 0;
 
 out:
@@ -659,7 +656,7 @@ int css_do_hsch(SubchDev *sch)
     }
     s->ctrl |= SCSW_ACTL_HALT_PEND;
 
-    do_subchannel_work(sch);
+    do_subchannel_work(sch, NULL);
     ret = 0;
 
 out:
@@ -721,13 +718,12 @@ int css_do_ssch(SubchDev *sch, ORB *orb)
     if (channel_subsys->chnmon_active) {
         css_update_chnmon(sch);
     }
-    sch->orb = orb;
     sch->channel_prog = orb->cpa;
     /* Trigger the start function. */
     s->ctrl |= (SCSW_FCTL_START_FUNC | SCSW_ACTL_START_PEND);
     s->flags &= ~SCSW_FLAGS_MASK_PNO;
 
-    do_subchannel_work(sch);
+    do_subchannel_work(sch, orb);
     ret = 0;
 
 out:
@@ -957,7 +953,7 @@ int css_do_rsch(SubchDev *sch)
     }
 
     s->ctrl |= SCSW_ACTL_RESUME_PEND;
-    do_subchannel_work(sch);
+    do_subchannel_work(sch, NULL);
     ret = 0;
 
 out:
@@ -1267,7 +1263,6 @@ void css_reset_sch(SubchDev *sch)
 
     sch->channel_prog = 0x0;
     sch->last_cmd_valid = false;
-    sch->orb = NULL;
     sch->thinint_active = false;
 }
 
diff --git a/hw/s390x/css.h b/hw/s390x/css.h
index e9b440540d..220169e7c3 100644
--- a/hw/s390x/css.h
+++ b/hw/s390x/css.h
@@ -76,7 +76,6 @@ struct SubchDev {
     hwaddr channel_prog;
     CCW1 last_cmd;
     bool last_cmd_valid;
-    ORB *orb;
     bool thinint_active;
     /* transport-provided data: */
     int (*ccw_cb) (SubchDev *, CCW1);
diff --git a/hw/s390x/event-facility.c b/hw/s390x/event-facility.c
index 0777a93916..597db34019 100644
--- a/hw/s390x/event-facility.c
+++ b/hw/s390x/event-facility.c
@@ -32,7 +32,7 @@ struct SCLPEventFacility {
     unsigned int receive_mask;
 };
 
-SCLPEvent cpu_hotplug;
+static SCLPEvent cpu_hotplug;
 
 /* return true if any child has event pending set */
 static bool event_pending(SCLPEventFacility *ef)
@@ -319,8 +319,7 @@ static const VMStateDescription vmstate_event_facility = {
     .name = "vmstate-event-facility",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(receive_mask, SCLPEventFacility),
         VMSTATE_END_OF_LIST()
      }
diff --git a/hw/s390x/sclpquiesce.c b/hw/s390x/sclpquiesce.c
index a3c4bd6272..1a399bd1f0 100644
--- a/hw/s390x/sclpquiesce.c
+++ b/hw/s390x/sclpquiesce.c
@@ -69,8 +69,7 @@ static const VMStateDescription vmstate_sclpquiesce = {
     .name = "sclpquiesce",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_BOOL(event_pending, SCLPEvent),
         VMSTATE_END_OF_LIST()
      }
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 2bf0af8f0a..1cb4e2c2f8 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -559,7 +559,6 @@ static int virtio_ccw_device_init(VirtioCcwDevice *dev, VirtIODevice *vdev)
     /* Initialize subchannel structure. */
     sch->channel_prog = 0x0;
     sch->last_cmd_valid = false;
-    sch->orb = NULL;
     sch->thinint_active = false;
     /*
      * Use a device number if provided. Otherwise, fall back to subchannel
diff --git a/hw/scsi/esp-pci.c b/hw/scsi/esp-pci.c
index 48c8b82350..9971bbf92d 100644
--- a/hw/scsi/esp-pci.c
+++ b/hw/scsi/esp-pci.c
@@ -310,7 +310,6 @@ static const VMStateDescription vmstate_esp_pci_scsi = {
     .name = "pciespscsi",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .fields = (VMStateField[]) {
         VMSTATE_PCI_DEVICE(parent_obj, PCIESPState),
         VMSTATE_BUFFER_UNSAFE(dma_regs, PCIESPState, 0, 8 * sizeof(uint32_t)),
diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index 2d150bfe48..5ab44d860b 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -560,8 +560,7 @@ const VMStateDescription vmstate_esp = {
     .name ="esp",
     .version_id = 3,
     .minimum_version_id = 3,
-    .minimum_version_id_old = 3,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_BUFFER(rregs, ESPState),
         VMSTATE_BUFFER(wregs, ESPState),
         VMSTATE_INT32(ti_size, ESPState),
@@ -706,7 +705,6 @@ static const VMStateDescription vmstate_sysbus_esp_scsi = {
     .name = "sysbusespscsi",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .fields = (VMStateField[]) {
         VMSTATE_STRUCT(esp, SysBusESPState, 0, vmstate_esp, ESPState),
         VMSTATE_END_OF_LIST()
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
index ae921a6a75..abe73022c0 100644
--- a/hw/scsi/scsi-bus.c
+++ b/hw/scsi/scsi-bus.c
@@ -1179,7 +1179,7 @@ static uint64_t scsi_cmd_lba(SCSICommand *cmd)
     return lba;
 }
 
-int scsi_req_parse(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf)
+static int scsi_req_parse(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf)
 {
     int rc;
 
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index b0d7517cb1..175219376c 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -147,6 +147,15 @@ static void *virtio_scsi_load_request(QEMUFile *f, SCSIRequest *sreq)
     qemu_get_be32s(f, &n);
     assert(n < vs->conf.num_queues);
     qemu_get_buffer(f, (unsigned char *)&req->elem, sizeof(req->elem));
+    /* TODO: add a way for SCSIBusInfo's load_request to fail,
+     * and fail migration instead of asserting here.
+     * When we do, we might be able to re-enable NDEBUG below.
+     */
+#ifdef NDEBUG
+#error building with NDEBUG is not supported
+#endif
+    assert(req->elem.in_num <= ARRAY_SIZE(req->elem.in_sg));
+    assert(req->elem.out_num <= ARRAY_SIZE(req->elem.out_sg));
     virtio_scsi_parse_req(s, vs->cmd_vqs[n], req);
 
     scsi_req_ref(sreq);
diff --git a/hw/sd/milkymist-memcard.c b/hw/sd/milkymist-memcard.c
index d1168c9e04..2a40f92732 100644
--- a/hw/sd/milkymist-memcard.c
+++ b/hw/sd/milkymist-memcard.c
@@ -272,8 +272,7 @@ static const VMStateDescription vmstate_milkymist_memcard = {
     .name = "milkymist-memcard",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_INT32(command_write_ptr, MilkymistMemcardState),
         VMSTATE_INT32(response_read_ptr, MilkymistMemcardState),
         VMSTATE_INT32(response_len, MilkymistMemcardState),
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 843e697bfe..e2951e6e95 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -1197,7 +1197,7 @@ const VMStateDescription sdhci_vmstate = {
     .name = "sdhci",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(sdmasysad, SDHCIState),
         VMSTATE_UINT16(blksize, SDHCIState),
         VMSTATE_UINT16(blkcnt, SDHCIState),
diff --git a/hw/sd/ssi-sd.c b/hw/sd/ssi-sd.c
index 3273c8a31f..b012e57f64 100644
--- a/hw/sd/ssi-sd.c
+++ b/hw/sd/ssi-sd.c
@@ -230,8 +230,17 @@ static int ssi_sd_load(QEMUFile *f, void *opaque, int version_id)
     for (i = 0; i < 5; i++)
         s->response[i] = qemu_get_be32(f);
     s->arglen = qemu_get_be32(f);
+    if (s->mode == SSI_SD_CMDARG &&
+        (s->arglen < 0 || s->arglen >= ARRAY_SIZE(s->cmdarg))) {
+        return -EINVAL;
+    }
     s->response_pos = qemu_get_be32(f);
     s->stopping = qemu_get_be32(f);
+    if (s->mode == SSI_SD_RESPONSE &&
+        (s->response_pos < 0 || s->response_pos >= ARRAY_SIZE(s->response) ||
+        (!s->stopping && s->arglen > ARRAY_SIZE(s->response)))) {
+        return -EINVAL;
+    }
 
     ss->cs = qemu_get_be32(f);
 
diff --git a/hw/ssi/pl022.c b/hw/ssi/pl022.c
index fd479effb9..61d568f36e 100644
--- a/hw/ssi/pl022.c
+++ b/hw/ssi/pl022.c
@@ -240,12 +240,25 @@ static const MemoryRegionOps pl022_ops = {
     .endianness = DEVICE_NATIVE_ENDIAN,
 };
 
+static int pl022_post_load(void *opaque, int version_id)
+{
+    PL022State *s = opaque;
+
+    if (s->tx_fifo_head < 0 ||
+        s->tx_fifo_head >= ARRAY_SIZE(s->tx_fifo) ||
+        s->rx_fifo_head < 0 ||
+        s->rx_fifo_head >= ARRAY_SIZE(s->rx_fifo)) {
+        return -1;
+    }
+    return 0;
+}
+
 static const VMStateDescription vmstate_pl022 = {
     .name = "pl022_ssp",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .post_load = pl022_post_load,
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(cr0, PL022State),
         VMSTATE_UINT32(cr1, PL022State),
         VMSTATE_UINT32(bitmask, PL022State),
diff --git a/hw/ssi/ssi.c b/hw/ssi/ssi.c
index 017f0221fb..1c82a93590 100644
--- a/hw/ssi/ssi.c
+++ b/hw/ssi/ssi.c
@@ -126,8 +126,7 @@ const VMStateDescription vmstate_ssi_slave = {
     .name = "SSISlave",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_BOOL(cs, SSISlave),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/ssi/xilinx_spi.c b/hw/ssi/xilinx_spi.c
index d44caae8ad..207f47a1c0 100644
--- a/hw/ssi/xilinx_spi.c
+++ b/hw/ssi/xilinx_spi.c
@@ -351,7 +351,6 @@ static const VMStateDescription vmstate_xilinx_spi = {
     .name = "xilinx_spi",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_FIFO8(tx_fifo, XilinxSPI),
         VMSTATE_FIFO8(rx_fifo, XilinxSPI),
diff --git a/hw/ssi/xilinx_spips.c b/hw/ssi/xilinx_spips.c
index 8977243725..0910f5479a 100644
--- a/hw/ssi/xilinx_spips.c
+++ b/hw/ssi/xilinx_spips.c
@@ -704,7 +704,6 @@ static const VMStateDescription vmstate_xilinx_spips = {
     .name = "xilinx_spips",
     .version_id = 2,
     .minimum_version_id = 2,
-    .minimum_version_id_old = 2,
     .post_load = xilinx_spips_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_FIFO8(tx_fifo, XilinxSPIPS),
diff --git a/hw/timer/allwinner-a10-pit.c b/hw/timer/allwinner-a10-pit.c
index d3c02ea18f..34124fe3d1 100644
--- a/hw/timer/allwinner-a10-pit.c
+++ b/hw/timer/allwinner-a10-pit.c
@@ -190,7 +190,6 @@ static const VMStateDescription vmstate_a10_pit = {
     .name = "a10.pit",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(irq_enable, AwA10PITState),
         VMSTATE_UINT32(irq_status, AwA10PITState),
diff --git a/hw/timer/arm_timer.c b/hw/timer/arm_timer.c
index fb0a45c889..145291016b 100644
--- a/hw/timer/arm_timer.c
+++ b/hw/timer/arm_timer.c
@@ -150,8 +150,7 @@ static const VMStateDescription vmstate_arm_timer = {
     .name = "arm_timer",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(control, arm_timer_state),
         VMSTATE_UINT32(limit, arm_timer_state),
         VMSTATE_INT32(int_level, arm_timer_state),
@@ -271,8 +270,7 @@ static const VMStateDescription vmstate_sp804 = {
     .name = "sp804",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_INT32_ARRAY(level, SP804State, 2),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/timer/cadence_ttc.c b/hw/timer/cadence_ttc.c
index 28cb328f9b..52bbbbca7f 100644
--- a/hw/timer/cadence_ttc.c
+++ b/hw/timer/cadence_ttc.c
@@ -443,7 +443,6 @@ static const VMStateDescription vmstate_cadence_timer = {
     .name = "cadence_timer",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .pre_save = cadence_timer_pre_save,
     .post_load = cadence_timer_post_load,
     .fields = (VMStateField[]) {
@@ -464,7 +463,6 @@ static const VMStateDescription vmstate_cadence_ttc = {
     .name = "cadence_TTC",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_STRUCT_ARRAY(timer, CadenceTTCState, 3, 0,
                             vmstate_cadence_timer,
diff --git a/hw/timer/digic-timer.c b/hw/timer/digic-timer.c
index 1fde22c67f..7e28e7e5f5 100644
--- a/hw/timer/digic-timer.c
+++ b/hw/timer/digic-timer.c
@@ -36,7 +36,6 @@ static const VMStateDescription vmstate_digic_timer = {
     .name = "digic.timer",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_PTIMER(ptimer, DigicTimerState),
         VMSTATE_UINT32(control, DigicTimerState),
diff --git a/hw/timer/ds1338.c b/hw/timer/ds1338.c
index bb2f8ee8b3..ec6dbeeab0 100644
--- a/hw/timer/ds1338.c
+++ b/hw/timer/ds1338.c
@@ -40,7 +40,6 @@ static const VMStateDescription vmstate_ds1338 = {
     .name = "ds1338",
     .version_id = 2,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_I2C_SLAVE(parent_obj, DS1338State),
         VMSTATE_INT64(offset, DS1338State),
diff --git a/hw/timer/exynos4210_mct.c b/hw/timer/exynos4210_mct.c
index 86f4fcd3e8..015bbaf1bd 100644
--- a/hw/timer/exynos4210_mct.c
+++ b/hw/timer/exynos4210_mct.c
@@ -264,7 +264,6 @@ static const VMStateDescription vmstate_tick_timer = {
     .name = "exynos4210.mct.tick_timer",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(cnt_run, struct tick_timer),
         VMSTATE_UINT32(int_run, struct tick_timer),
@@ -284,7 +283,6 @@ static const VMStateDescription vmstate_lregs = {
     .name = "exynos4210.mct.lregs",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(cnt, struct lregs, L_REG_CNT_AMOUNT),
         VMSTATE_UINT32(tcon, struct lregs),
@@ -299,7 +297,6 @@ static const VMStateDescription vmstate_exynos4210_mct_lt = {
     .name = "exynos4210.mct.lt",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_INT32(id, Exynos4210MCTLT),
         VMSTATE_STRUCT(tick_timer, Exynos4210MCTLT, 0,
@@ -317,7 +314,6 @@ static const VMStateDescription vmstate_gregs = {
     .name = "exynos4210.mct.lregs",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT64(cnt, struct gregs),
         VMSTATE_UINT32(cnt_wstat, struct gregs),
@@ -336,7 +332,6 @@ static const VMStateDescription vmstate_exynos4210_mct_gt = {
     .name = "exynos4210.mct.lt",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_STRUCT(reg, Exynos4210MCTGT, 0, vmstate_gregs,
                 struct gregs),
@@ -351,7 +346,6 @@ static const VMStateDescription vmstate_exynos4210_mct_state = {
     .name = "exynos4210.mct",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(reg_mct_cfg, Exynos4210MCTState),
         VMSTATE_STRUCT_ARRAY(l_timer, Exynos4210MCTState, 2, 0,
@@ -824,14 +818,14 @@ static void exynos4210_ltick_recalc_count(struct tick_timer *s)
          */
 
         if (s->last_tcnto) {
-            to_count = s->last_tcnto * s->last_icnto;
+            to_count = (uint64_t)s->last_tcnto * s->last_icnto;
         } else {
             to_count = s->last_icnto;
         }
     } else {
         /* distance is passed, recalculate with tcnto * icnto */
         if (s->icntb) {
-            s->distance = s->tcntb * s->icntb;
+            s->distance = (uint64_t)s->tcntb * s->icntb;
         } else {
             s->distance = s->tcntb;
         }
diff --git a/hw/timer/exynos4210_pwm.c b/hw/timer/exynos4210_pwm.c
index 1aa8f4d07a..1c1a2b8ff6 100644
--- a/hw/timer/exynos4210_pwm.c
+++ b/hw/timer/exynos4210_pwm.c
@@ -120,7 +120,6 @@ static const VMStateDescription vmstate_exynos4210_pwm = {
     .name = "exynos4210.pwm.pwm",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(id, Exynos4210PWM),
         VMSTATE_UINT32(freq, Exynos4210PWM),
@@ -135,7 +134,6 @@ static const VMStateDescription vmstate_exynos4210_pwm_state = {
     .name = "exynos4210.pwm",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(reg_tcfg, Exynos4210PWMState, 2),
         VMSTATE_UINT32(reg_tcon, Exynos4210PWMState),
diff --git a/hw/timer/exynos4210_rtc.c b/hw/timer/exynos4210_rtc.c
index 026f81a2e3..bf2ee9f80e 100644
--- a/hw/timer/exynos4210_rtc.c
+++ b/hw/timer/exynos4210_rtc.c
@@ -118,7 +118,6 @@ static const VMStateDescription vmstate_exynos4210_rtc_state = {
     .name = "exynos4210.rtc",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(reg_intp, Exynos4210RTCState),
         VMSTATE_UINT32(reg_rtccon, Exynos4210RTCState),
diff --git a/hw/timer/hpet.c b/hw/timer/hpet.c
index e15d6bcac7..2792f89c66 100644
--- a/hw/timer/hpet.c
+++ b/hw/timer/hpet.c
@@ -239,6 +239,18 @@ static int hpet_pre_load(void *opaque)
     return 0;
 }
 
+static bool hpet_validate_num_timers(void *opaque, int version_id)
+{
+    HPETState *s = opaque;
+
+    if (s->num_timers < HPET_MIN_TIMERS) {
+        return false;
+    } else if (s->num_timers > HPET_MAX_TIMERS) {
+        return false;
+    }
+    return true;
+}
+
 static int hpet_post_load(void *opaque, int version_id)
 {
     HPETState *s = opaque;
@@ -307,6 +319,7 @@ static const VMStateDescription vmstate_hpet = {
         VMSTATE_UINT64(isr, HPETState),
         VMSTATE_UINT64(hpet_counter, HPETState),
         VMSTATE_UINT8_V(num_timers, HPETState, 2),
+        VMSTATE_VALIDATE("num_timers in range", hpet_validate_num_timers),
         VMSTATE_STRUCT_VARRAY_UINT8(timer, HPETState, num_timers, 0,
                                     vmstate_hpet_timer, HPETTimer),
         VMSTATE_END_OF_LIST()
diff --git a/hw/timer/i8254.c b/hw/timer/i8254.c
index 28152d88ea..3450c98637 100644
--- a/hw/timer/i8254.c
+++ b/hw/timer/i8254.c
@@ -322,7 +322,7 @@ static void pit_post_load(PITCommonState *s)
     }
 }
 
-static void pit_realizefn(DeviceState *dev, Error **err)
+static void pit_realizefn(DeviceState *dev, Error **errp)
 {
     PITCommonState *pit = PIT_COMMON(dev);
     PITClass *pc = PIT_GET_CLASS(dev);
@@ -338,7 +338,7 @@ static void pit_realizefn(DeviceState *dev, Error **err)
 
     qdev_init_gpio_in(dev, pit_irq_control, 1);
 
-    pc->parent_realize(dev, err);
+    pc->parent_realize(dev, errp);
 }
 
 static Property pit_properties[] = {
diff --git a/hw/timer/imx_epit.c b/hw/timer/imx_epit.c
index 0dbe15c99b..c855eba43c 100644
--- a/hw/timer/imx_epit.c
+++ b/hw/timer/imx_epit.c
@@ -353,8 +353,7 @@ static const VMStateDescription vmstate_imx_timer_epit = {
     .name = "imx.epit",
     .version_id = 2,
     .minimum_version_id = 2,
-    .minimum_version_id_old = 2,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(cr, IMXEPITState),
         VMSTATE_UINT32(sr, IMXEPITState),
         VMSTATE_UINT32(lr, IMXEPITState),
diff --git a/hw/timer/imx_gpt.c b/hw/timer/imx_gpt.c
index f2d1975e70..56ee4db991 100644
--- a/hw/timer/imx_gpt.c
+++ b/hw/timer/imx_gpt.c
@@ -146,8 +146,7 @@ static const VMStateDescription vmstate_imx_timer_gpt = {
     .name = "imx.gpt",
     .version_id = 3,
     .minimum_version_id = 3,
-    .minimum_version_id_old = 3,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32(cr, IMXGPTState),
         VMSTATE_UINT32(pr, IMXGPTState),
         VMSTATE_UINT32(sr, IMXGPTState),
diff --git a/hw/timer/lm32_timer.c b/hw/timer/lm32_timer.c
index 8ed138cc0e..d2ab1e74b2 100644
--- a/hw/timer/lm32_timer.c
+++ b/hw/timer/lm32_timer.c
@@ -196,8 +196,7 @@ static const VMStateDescription vmstate_lm32_timer = {
     .name = "lm32-timer",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_PTIMER(ptimer, LM32TimerState),
         VMSTATE_UINT32(freq_hz, LM32TimerState),
         VMSTATE_UINT32_ARRAY(regs, LM32TimerState, R_MAX),
diff --git a/hw/timer/milkymist-sysctl.c b/hw/timer/milkymist-sysctl.c
index 94246e56f6..30535a4e3d 100644
--- a/hw/timer/milkymist-sysctl.c
+++ b/hw/timer/milkymist-sysctl.c
@@ -295,8 +295,7 @@ static const VMStateDescription vmstate_milkymist_sysctl = {
     .name = "milkymist-sysctl",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, MilkymistSysctlState, R_MAX),
         VMSTATE_PTIMER(ptimer0, MilkymistSysctlState),
         VMSTATE_PTIMER(ptimer1, MilkymistSysctlState),
diff --git a/hw/timer/pxa2xx_timer.c b/hw/timer/pxa2xx_timer.c
index 0f546c4121..130e9dc345 100644
--- a/hw/timer/pxa2xx_timer.c
+++ b/hw/timer/pxa2xx_timer.c
@@ -476,7 +476,6 @@ static const VMStateDescription vmstate_pxa2xx_timer0_regs = {
     .name = "pxa2xx_timer0",
     .version_id = 2,
     .minimum_version_id = 2,
-    .minimum_version_id_old = 2,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(value, PXA2xxTimer0),
         VMSTATE_END_OF_LIST(),
@@ -487,7 +486,6 @@ static const VMStateDescription vmstate_pxa2xx_timer4_regs = {
     .name = "pxa2xx_timer4",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_STRUCT(tm, PXA2xxTimer4, 1,
                         vmstate_pxa2xx_timer0_regs, PXA2xxTimer0),
@@ -509,7 +507,6 @@ static const VMStateDescription vmstate_pxa2xx_timer_regs = {
     .name = "pxa2xx_timer",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .post_load = pxa25x_timer_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_INT32(clock, PXA2xxTimerInfo),
diff --git a/hw/timer/slavio_timer.c b/hw/timer/slavio_timer.c
index e4dcceaf23..45d97e6678 100644
--- a/hw/timer/slavio_timer.c
+++ b/hw/timer/slavio_timer.c
@@ -329,8 +329,7 @@ static const VMStateDescription vmstate_timer = {
     .name ="timer",
     .version_id = 3,
     .minimum_version_id = 3,
-    .minimum_version_id_old = 3,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT64(limit, CPUTimerState),
         VMSTATE_UINT32(count, CPUTimerState),
         VMSTATE_UINT32(counthigh, CPUTimerState),
@@ -345,8 +344,7 @@ static const VMStateDescription vmstate_slavio_timer = {
     .name ="slavio_timer",
     .version_id = 3,
     .minimum_version_id = 3,
-    .minimum_version_id_old = 3,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_STRUCT_ARRAY(cputimer, SLAVIO_TIMERState, MAX_CPUS + 1, 3,
                              vmstate_timer, CPUTimerState),
         VMSTATE_END_OF_LIST()
diff --git a/hw/timer/twl92230.c b/hw/timer/twl92230.c
index 85d59909da..7ded4ba2ad 100644
--- a/hw/timer/twl92230.c
+++ b/hw/timer/twl92230.c
@@ -772,8 +772,7 @@ static const VMStateDescription vmstate_menelaus_tm = {
     .name = "menelaus_tm",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT16_HACK(tm_sec, struct tm),
         VMSTATE_UINT16_HACK(tm_min, struct tm),
         VMSTATE_UINT16_HACK(tm_hour, struct tm),
@@ -811,10 +810,9 @@ static const VMStateDescription vmstate_menelaus = {
     .name = "menelaus",
     .version_id = 0,
     .minimum_version_id = 0,
-    .minimum_version_id_old = 0,
     .pre_save = menelaus_pre_save,
     .post_load = menelaus_post_load,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_INT32(firstbyte, MenelausState),
         VMSTATE_UINT8(reg, MenelausState),
         VMSTATE_UINT8_ARRAY(vcore, MenelausState, 5),
diff --git a/hw/timer/xilinx_timer.c b/hw/timer/xilinx_timer.c
index 6113b975bf..3ff1da9caf 100644
--- a/hw/timer/xilinx_timer.c
+++ b/hw/timer/xilinx_timer.c
@@ -169,7 +169,7 @@ timer_write(void *opaque, hwaddr addr,
             if (value & TCSR_TINT)
                 value &= ~TCSR_TINT;
 
-            xt->regs[addr] = value;
+            xt->regs[addr] = value & 0x7ff;
             if (value & TCSR_ENT)
                 timer_enable(xt);
             break;
diff --git a/hw/usb/Makefile.objs b/hw/usb/Makefile.objs
index 17d460cb04..3fe4dff3bd 100644
--- a/hw/usb/Makefile.objs
+++ b/hw/usb/Makefile.objs
@@ -24,6 +24,7 @@ ifeq ($(CONFIG_USB_SMARTCARD),y)
 common-obj-y                          += dev-smartcard-reader.o
 common-obj-y                          += ccid-card-passthru.o
 common-obj-$(CONFIG_SMARTCARD_NSS)    += ccid-card-emulated.o
+ccid-card-emulated.o-cflags := -I$(SRC_PATH)/libcacard
 endif
 
 ifeq ($(CONFIG_POSIX),y)
diff --git a/hw/usb/bus.c b/hw/usb/bus.c
index fe70429304..927a47bbff 100644
--- a/hw/usb/bus.c
+++ b/hw/usb/bus.c
@@ -49,8 +49,10 @@ static int usb_device_post_load(void *opaque, int version_id)
     } else {
         dev->attached = 1;
     }
-    if (dev->setup_index >= sizeof(dev->data_buf) ||
-        dev->setup_len >= sizeof(dev->data_buf)) {
+    if (dev->setup_index < 0 ||
+        dev->setup_len < 0 ||
+        dev->setup_index > dev->setup_len ||
+        dev->setup_len > sizeof(dev->data_buf)) {
         return -EINVAL;
     }
     return 0;
@@ -61,7 +63,7 @@ const VMStateDescription vmstate_usb_device = {
     .version_id = 1,
     .minimum_version_id = 1,
     .post_load = usb_device_post_load,
-    .fields = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT8(addr, USBDevice),
         VMSTATE_INT32(state, USBDevice),
         VMSTATE_INT32(remote_wakeup, USBDevice),
diff --git a/hw/usb/dev-hid.c b/hw/usb/dev-hid.c
index f36e617632..d097d937ea 100644
--- a/hw/usb/dev-hid.c
+++ b/hw/usb/dev-hid.c
@@ -622,7 +622,7 @@ static const VMStateDescription vmstate_usb_ptr = {
     .version_id = 1,
     .minimum_version_id = 1,
     .post_load = usb_ptr_post_load,
-    .fields = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_USB_DEVICE(dev, USBHIDState),
         VMSTATE_HID_POINTER_DEVICE(hid, USBHIDState),
         VMSTATE_END_OF_LIST()
@@ -633,7 +633,7 @@ static const VMStateDescription vmstate_usb_kbd = {
     .name = "usb-kbd",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_USB_DEVICE(dev, USBHIDState),
         VMSTATE_HID_KEYBOARD_DEVICE(hid, USBHIDState),
         VMSTATE_END_OF_LIST()
diff --git a/hw/usb/dev-hub.c b/hw/usb/dev-hub.c
index bc03531666..749217497a 100644
--- a/hw/usb/dev-hub.c
+++ b/hw/usb/dev-hub.c
@@ -540,7 +540,7 @@ static const VMStateDescription vmstate_usb_hub_port = {
     .name = "usb-hub-port",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT16(wPortStatus, USBHubPort),
         VMSTATE_UINT16(wPortChange, USBHubPort),
         VMSTATE_END_OF_LIST()
@@ -551,7 +551,7 @@ static const VMStateDescription vmstate_usb_hub = {
     .name = "usb-hub",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_USB_DEVICE(dev, USBHubState),
         VMSTATE_STRUCT_ARRAY(ports, USBHubState, NUM_PORTS, 0,
                              vmstate_usb_hub_port, USBHubPort),
diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c
index 8b44032900..943f930404 100644
--- a/hw/usb/dev-mtp.c
+++ b/hw/usb/dev-mtp.c
@@ -50,6 +50,7 @@ enum mtp_code {
     RES_INVALID_TRANSACTION_ID     = 0x2004,
     RES_OPERATION_NOT_SUPPORTED    = 0x2005,
     RES_PARAMETER_NOT_SUPPORTED    = 0x2006,
+    RES_INCOMPLETE_TRANSFER        = 0x2007,
     RES_INVALID_STORAGE_ID         = 0x2008,
     RES_INVALID_OBJECT_HANDLE      = 0x2009,
     RES_SPEC_BY_FORMAT_UNSUPPORTED = 0x2014,
@@ -294,7 +295,7 @@ static MTPObject *usb_mtp_object_alloc(MTPState *s, uint32_t handle,
         goto ignore;
     }
 
-    fprintf(stderr, "%s: 0x%x %s\n", __func__, o->handle, o->path);
+    trace_usb_mtp_object_alloc(s->dev.addr, o->handle, o->path);
 
     QTAILQ_INSERT_TAIL(&s->objects, o, next);
     return o;
@@ -310,7 +311,7 @@ static void usb_mtp_object_free(MTPState *s, MTPObject *o)
 {
     int i;
 
-    fprintf(stderr, "%s: 0x%x %s\n", __func__, o->handle, o->path);
+    trace_usb_mtp_object_free(s->dev.addr, o->handle, o->path);
 
     QTAILQ_REMOVE(&s->objects, o, next);
     for (i = 0; i < o->nchildren; i++) {
@@ -416,7 +417,7 @@ static void usb_mtp_add_u32(MTPData *data, uint32_t val)
 
 static void usb_mtp_add_u64(MTPData *data, uint64_t val)
 {
-    usb_mtp_realloc(data, 4);
+    usb_mtp_realloc(data, 8);
     data->data[data->length++] = (val >>  0) & 0xff;
     data->data[data->length++] = (val >>  8) & 0xff;
     data->data[data->length++] = (val >> 16) & 0xff;
@@ -424,7 +425,7 @@ static void usb_mtp_add_u64(MTPData *data, uint64_t val)
     data->data[data->length++] = (val >> 32) & 0xff;
     data->data[data->length++] = (val >> 40) & 0xff;
     data->data[data->length++] = (val >> 48) & 0xff;
-    data->data[data->length++] = (val >> 54) & 0xff;
+    data->data[data->length++] = (val >> 56) & 0xff;
 }
 
 static void usb_mtp_add_u16_array(MTPData *data, uint32_t len,
@@ -533,7 +534,7 @@ static MTPData *usb_mtp_get_device_info(MTPState *s, MTPControl *c)
 
     trace_usb_mtp_op_get_device_info(s->dev.addr);
 
-    usb_mtp_add_u16(d, 0x0100);
+    usb_mtp_add_u16(d, 100);
     usb_mtp_add_u32(d, 0xffffffff);
     usb_mtp_add_u16(d, 0x0101);
     usb_mtp_add_wstr(d, L"");
@@ -548,7 +549,7 @@ static MTPData *usb_mtp_get_device_info(MTPState *s, MTPControl *c)
     usb_mtp_add_wstr(d, L"" MTP_MANUFACTURER);
     usb_mtp_add_wstr(d, L"" MTP_PRODUCT);
     usb_mtp_add_wstr(d, L"0.1");
-    usb_mtp_add_wstr(d, L"123456789abcdef123456789abcdef");
+    usb_mtp_add_wstr(d, L"0123456789abcdef0123456789abcdef");
 
     return d;
 }
@@ -669,6 +670,7 @@ static MTPData *usb_mtp_get_object(MTPState *s, MTPControl *c,
 
     d->fd = open(o->path, O_RDONLY);
     if (d->fd == -1) {
+        usb_mtp_data_free(d);
         return NULL;
     }
     d->length = o->stat.st_size;
@@ -688,6 +690,7 @@ static MTPData *usb_mtp_get_partial_object(MTPState *s, MTPControl *c,
 
     d->fd = open(o->path, O_RDONLY);
     if (d->fd == -1) {
+        usb_mtp_data_free(d);
         return NULL;
     }
 
@@ -843,8 +846,7 @@ static void usb_mtp_command(MTPState *s, MTPControl *c)
         res0 = data_in->length;
         break;
     default:
-        fprintf(stderr, "%s: unknown command code 0x%04x\n",
-                __func__, c->code);
+        trace_usb_mtp_op_unknown(s->dev.addr, c->code);
         usb_mtp_queue_result(s, RES_OPERATION_NOT_SUPPORTED,
                              c->trans, 0, 0, 0);
         return;
@@ -892,6 +894,7 @@ static void usb_mtp_handle_control(USBDevice *dev, USBPacket *p,
 
 static void usb_mtp_cancel_packet(USBDevice *dev, USBPacket *p)
 {
+    /* we don't use async packets, so this should never be called */
     fprintf(stderr, "%s\n", __func__);
 }
 
@@ -944,7 +947,8 @@ static void usb_mtp_handle_data(USBDevice *dev, USBPacket *p)
                 }
                 rc = read(d->fd, d->data, dlen);
                 if (rc != dlen) {
-                    fprintf(stderr, "%s: TODO: handle read error\n", __func__);
+                    memset(d->data, 0, dlen);
+                    s->result->code = RES_INCOMPLETE_TRANSFER;
                 }
                 usb_packet_copy(p, d->data, dlen);
             }
@@ -996,6 +1000,14 @@ static void usb_mtp_handle_data(USBDevice *dev, USBPacket *p)
             cmd.argc = (le32_to_cpu(container.length) - sizeof(container))
                 / sizeof(uint32_t);
             cmd.trans = le32_to_cpu(container.trans);
+            if (cmd.argc > ARRAY_SIZE(cmd.argv)) {
+                cmd.argc = ARRAY_SIZE(cmd.argv);
+            }
+            if (p->iov.size < sizeof(container) + cmd.argc * sizeof(uint32_t)) {
+                trace_usb_mtp_stall(s->dev.addr, "packet too small");
+                p->status = USB_RET_STALL;
+                return;
+            }
             usb_packet_copy(p, &params, cmd.argc * sizeof(uint32_t));
             for (i = 0; i < cmd.argc; i++) {
                 cmd.argv[i] = le32_to_cpu(params[i]);
@@ -1009,8 +1021,7 @@ static void usb_mtp_handle_data(USBDevice *dev, USBPacket *p)
             usb_mtp_command(s, &cmd);
             break;
         default:
-            iov_hexdump(p->iov.iov, p->iov.niov, stderr, "mtp-out", 32);
-            trace_usb_mtp_stall(s->dev.addr, "TODO: implement data-out");
+            /* not needed as long as the mtp device is read-only */
             p->status = USB_RET_STALL;
             return;
         }
@@ -1044,7 +1055,7 @@ static int usb_mtp_initfn(USBDevice *dev)
     QTAILQ_INIT(&s->objects);
     if (s->desc == NULL) {
         s->desc = strrchr(s->root, '/');
-        if (s->desc) {
+        if (s->desc && s->desc[0]) {
             s->desc = g_strdup(s->desc + 1);
         } else {
             s->desc = g_strdup("none");
diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index 2852669d57..e919100637 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -716,7 +716,7 @@ static const VMStateDescription vmstate_usb_msd = {
     .name = "usb-storage",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_USB_DEVICE(dev, MSDState),
         VMSTATE_UINT32(mode, MSDState),
         VMSTATE_UINT32(scsi_len, MSDState),
diff --git a/hw/usb/hcd-ehci-pci.c b/hw/usb/hcd-ehci-pci.c
index 484a9bd059..505741a783 100644
--- a/hw/usb/hcd-ehci-pci.c
+++ b/hw/usb/hcd-ehci-pci.c
@@ -108,7 +108,7 @@ static const VMStateDescription vmstate_ehci_pci = {
     .name        = "ehci",
     .version_id  = 2,
     .minimum_version_id  = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_PCI_DEVICE(pcidev, EHCIPCIState),
         VMSTATE_STRUCT(ehci, EHCIPCIState, 2, vmstate_ehci, EHCIState),
         VMSTATE_END_OF_LIST()
diff --git a/hw/usb/hcd-ehci-sysbus.c b/hw/usb/hcd-ehci-sysbus.c
index fe6eea5908..19ed2c26aa 100644
--- a/hw/usb/hcd-ehci-sysbus.c
+++ b/hw/usb/hcd-ehci-sysbus.c
@@ -21,7 +21,7 @@ static const VMStateDescription vmstate_ehci_sysbus = {
     .name        = "ehci-sysbus",
     .version_id  = 2,
     .minimum_version_id  = 1,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         VMSTATE_STRUCT(ehci, EHCISysBusState, 2, vmstate_ehci, EHCIState),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index 355bbd6bed..a3ae9f260a 100644
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -2492,7 +2492,7 @@ const VMStateDescription vmstate_ehci = {
     .minimum_version_id  = 1,
     .pre_save    = usb_ehci_pre_save,
     .post_load   = usb_ehci_post_load,
-    .fields      = (VMStateField[]) {
+    .fields = (VMStateField[]) {
         /* mmio registers */
         VMSTATE_UINT32(usbcmd, EHCIState),
         VMSTATE_UINT32(usbsts, EHCIState),
diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
index 93f186f5e7..cd87074862 100644
--- a/hw/usb/hcd-ohci.c
+++ b/hw/usb/hcd-ohci.c
@@ -80,13 +80,13 @@ typedef struct {
     uint32_t bulk_head, bulk_cur;
     uint32_t per_cur;
     uint32_t done;
-    int done_count;
+    int32_t done_count;
 
     /* Frame counter partition */
-    uint32_t fsmps:15;
-    uint32_t fit:1;
-    uint32_t fi:14;
-    uint32_t frt:1;
+    uint16_t fsmps;
+    uint8_t fit;
+    uint16_t fi;
+    uint8_t frt;
     uint16_t frame_number;
     uint16_t padding;
     uint32_t pstart;
@@ -111,7 +111,7 @@ typedef struct {
     USBPacket usb_packet;
     uint8_t usb_buf[8192];
     uint32_t async_td;
-    int async_complete;
+    bool async_complete;
 
 } OHCIState;
 
@@ -693,7 +693,7 @@ static void ohci_async_complete_packet(USBPort *port, USBPacket *packet)
 #ifdef DEBUG_PACKET
     DPRINTF("Async packet complete\n");
 #endif
-    ohci->async_complete = 1;
+    ohci->async_complete = true;
     ohci_process_lists(ohci, 1);
 }
 
@@ -1058,7 +1058,7 @@ static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed)
 #endif
     if (completion) {
         ohci->async_td = 0;
-        ohci->async_complete = 0;
+        ohci->async_complete = false;
     } else {
         if (ohci->async_td) {
             /* ??? The hardware should allow one active packet per
@@ -1984,6 +1984,108 @@ static Property ohci_pci_properties[] = {
     DEFINE_PROP_END_OF_LIST(),
 };
 
+static const VMStateDescription vmstate_ohci_state_port = {
+    .name = "ohci-core/port",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields = (VMStateField []) {
+        VMSTATE_UINT32(ctrl, OHCIPort),
+        VMSTATE_END_OF_LIST()
+    },
+};
+
+static bool ohci_eof_timer_needed(void *opaque)
+{
+    OHCIState *ohci = opaque;
+
+    return ohci->eof_timer != NULL;
+}
+
+static int ohci_eof_timer_pre_load(void *opaque)
+{
+    OHCIState *ohci = opaque;
+
+    ohci_bus_start(ohci);
+
+    return 0;
+}
+
+static const VMStateDescription vmstate_ohci_eof_timer = {
+    .name = "ohci-core/eof-timer",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .pre_load = ohci_eof_timer_pre_load,
+    .fields = (VMStateField []) {
+        VMSTATE_TIMER(eof_timer, OHCIState),
+        VMSTATE_END_OF_LIST()
+    },
+};
+
+const VMStateDescription vmstate_ohci_state = {
+    .name = "ohci-core",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_INT64(sof_time, OHCIState),
+        VMSTATE_UINT32(ctl, OHCIState),
+        VMSTATE_UINT32(status, OHCIState),
+        VMSTATE_UINT32(intr_status, OHCIState),
+        VMSTATE_UINT32(intr, OHCIState),
+        VMSTATE_UINT32(hcca, OHCIState),
+        VMSTATE_UINT32(ctrl_head, OHCIState),
+        VMSTATE_UINT32(ctrl_cur, OHCIState),
+        VMSTATE_UINT32(bulk_head, OHCIState),
+        VMSTATE_UINT32(bulk_cur, OHCIState),
+        VMSTATE_UINT32(per_cur, OHCIState),
+        VMSTATE_UINT32(done, OHCIState),
+        VMSTATE_INT32(done_count, OHCIState),
+        VMSTATE_UINT16(fsmps, OHCIState),
+        VMSTATE_UINT8(fit, OHCIState),
+        VMSTATE_UINT16(fi, OHCIState),
+        VMSTATE_UINT8(frt, OHCIState),
+        VMSTATE_UINT16(frame_number, OHCIState),
+        VMSTATE_UINT16(padding, OHCIState),
+        VMSTATE_UINT32(pstart, OHCIState),
+        VMSTATE_UINT32(lst, OHCIState),
+        VMSTATE_UINT32(rhdesc_a, OHCIState),
+        VMSTATE_UINT32(rhdesc_b, OHCIState),
+        VMSTATE_UINT32(rhstatus, OHCIState),
+        VMSTATE_STRUCT_ARRAY(rhport, OHCIState, OHCI_MAX_PORTS, 0,
+                             vmstate_ohci_state_port, OHCIPort),
+        VMSTATE_UINT32(hstatus, OHCIState),
+        VMSTATE_UINT32(hmask, OHCIState),
+        VMSTATE_UINT32(hreset, OHCIState),
+        VMSTATE_UINT32(htest, OHCIState),
+        VMSTATE_UINT32(old_ctl, OHCIState),
+        VMSTATE_UINT8_ARRAY(usb_buf, OHCIState, 8192),
+        VMSTATE_UINT32(async_td, OHCIState),
+        VMSTATE_BOOL(async_complete, OHCIState),
+        VMSTATE_END_OF_LIST()
+    },
+    .subsections = (VMStateSubsection []) {
+        {
+            .vmsd = &vmstate_ohci_eof_timer,
+            .needed = ohci_eof_timer_needed,
+        } , {
+            /* empty */
+        }
+    }
+};
+
+static const VMStateDescription vmstate_ohci = {
+    .name = "ohci",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_PCI_DEVICE(parent_obj, OHCIPCIState),
+        VMSTATE_STRUCT(state, OHCIPCIState, 1, vmstate_ohci_state, OHCIState),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 static void ohci_pci_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
@@ -1997,6 +2099,7 @@ static void ohci_pci_class_init(ObjectClass *klass, void *data)
     dc->desc = "Apple USB Controller";
     dc->props = ohci_pci_properties;
     dc->hotpluggable = false;
+    dc->vmsd = &vmstate_ohci;
 }
 
 static const TypeInfo ohci_pci_info = {
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c
index 0820244905..9b1166b2ef 100644
--- a/hw/usb/hcd-uhci.c
+++ b/hw/usb/hcd-uhci.c
@@ -422,8 +422,7 @@ static const VMStateDescription vmstate_uhci_port = {
     .name = "uhci port",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_UINT16(ctrl, UHCIPort),
         VMSTATE_END_OF_LIST()
     }
@@ -444,9 +443,8 @@ static const VMStateDescription vmstate_uhci = {
     .name = "uhci",
     .version_id = 3,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
     .post_load = uhci_post_load,
-    .fields      = (VMStateField []) {
+    .fields = (VMStateField[]) {
         VMSTATE_PCI_DEVICE(dev, UHCIState),
         VMSTATE_UINT8_EQUAL(num_ports_vmstate, UHCIState),
         VMSTATE_STRUCT_ARRAY(ports, UHCIState, NB_PORTS, 1,
diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index a470a0b3a6..971a921777 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -142,10 +142,12 @@ static void balloon_stats_set_poll_interval(Object *obj, struct Visitor *v,
                                             Error **errp)
 {
     VirtIOBalloon *s = opaque;
+    Error *local_err = NULL;
     int64_t value;
 
-    visit_type_int(v, &value, name, errp);
-    if (error_is_set(errp)) {
+    visit_type_int(v, &value, name, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
         return;
     }
 
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index aeabf3a459..3557c178f1 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -430,6 +430,12 @@ void virtqueue_map_sg(struct iovec *sg, hwaddr *addr,
     unsigned int i;
     hwaddr len;
 
+    if (num_sg > VIRTQUEUE_MAX_SIZE) {
+        error_report("virtio: map attempt out of bounds: %zd > %d",
+                     num_sg, VIRTQUEUE_MAX_SIZE);
+        exit(1);
+    }
+
     for (i = 0; i < num_sg; i++) {
         len = sg[i].iov_len;
         sg[i].iov_base = cpu_physical_memory_map(addr[i], &len, is_write);
@@ -891,7 +897,9 @@ int virtio_set_features(VirtIODevice *vdev, uint32_t val)
 
 int virtio_load(VirtIODevice *vdev, QEMUFile *f)
 {
-    int num, i, ret;
+    int i, ret;
+    int32_t config_len;
+    uint32_t num;
     uint32_t features;
     uint32_t supported_features;
     BusState *qbus = qdev_get_parent_bus(DEVICE(vdev));
@@ -906,6 +914,9 @@ int virtio_load(VirtIODevice *vdev, QEMUFile *f)
     qemu_get_8s(f, &vdev->status);
     qemu_get_8s(f, &vdev->isr);
     qemu_get_be16s(f, &vdev->queue_sel);
+    if (vdev->queue_sel >= VIRTIO_PCI_QUEUE_MAX) {
+        return -1;
+    }
     qemu_get_be32s(f, &features);
 
     if (virtio_set_features(vdev, features) < 0) {
@@ -914,11 +925,21 @@ int virtio_load(VirtIODevice *vdev, QEMUFile *f)
                      features, supported_features);
         return -1;
     }
-    vdev->config_len = qemu_get_be32(f);
+    config_len = qemu_get_be32(f);
+    if (config_len != vdev->config_len) {
+        error_report("Unexpected config length 0x%x. Expected 0x%zx",
+                     config_len, vdev->config_len);
+        return -1;
+    }
     qemu_get_buffer(f, vdev->config, vdev->config_len);
 
     num = qemu_get_be32(f);
 
+    if (num > VIRTIO_PCI_QUEUE_MAX) {
+        error_report("Invalid number of PCI queues: 0x%x", num);
+        return -1;
+    }
+
     for (i = 0; i < num; i++) {
         vdev->vq[i].vring.num = qemu_get_be32(f);
         if (k->has_variable_vring_alignment) {
diff --git a/hw/watchdog/wdt_ib700.c b/hw/watchdog/wdt_ib700.c
index bc994a4c32..68b33e12be 100644
--- a/hw/watchdog/wdt_ib700.c
+++ b/hw/watchdog/wdt_ib700.c
@@ -42,6 +42,8 @@ typedef struct IB700state {
     ISADevice parent_obj;
 
     QEMUTimer *timer;
+
+    PortioList port_list;
 } IB700State;
 
 /* This is the timer.  We use a global here because the watchdog
@@ -106,14 +108,13 @@ static const MemoryRegionPortio wdt_portio_list[] = {
 static void wdt_ib700_realize(DeviceState *dev, Error **errp)
 {
     IB700State *s = IB700(dev);
-    PortioList *port_list = g_new(PortioList, 1);
 
     ib700_debug("watchdog init\n");
 
     s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, ib700_timer_expired, s);
 
-    portio_list_init(port_list, OBJECT(s), wdt_portio_list, s, "ib700");
-    portio_list_add(port_list, isa_address_space_io(&s->parent_obj), 0);
+    portio_list_init(&s->port_list, OBJECT(s), wdt_portio_list, s, "ib700");
+    portio_list_add(&s->port_list, isa_address_space_io(&s->parent_obj), 0);
 }
 
 static void wdt_ib700_reset(DeviceState *dev)
diff --git a/hw/xen/Makefile.objs b/hw/xen/Makefile.objs
index ce640c61a5..a0ca0aa3df 100644
--- a/hw/xen/Makefile.objs
+++ b/hw/xen/Makefile.objs
@@ -1,6 +1,5 @@
 # xen backend driver support
 common-obj-$(CONFIG_XEN_BACKEND) += xen_backend.o xen_devconfig.o
 
-obj-$(CONFIG_XEN_I386) += xen_platform.o xen_apic.o xen_pvdevice.o
 obj-$(CONFIG_XEN_PCI_PASSTHROUGH) += xen-host-pci-device.o
 obj-$(CONFIG_XEN_PCI_PASSTHROUGH) += xen_pt.o xen_pt_config_init.o xen_pt_msi.o
diff --git a/hw/xen/xen_backend.c b/hw/xen/xen_backend.c
index 197795ffe1..3cd45b407c 100644
--- a/hw/xen/xen_backend.c
+++ b/hw/xen/xen_backend.c
@@ -45,7 +45,6 @@
 
 /* public */
 XenXC xen_xc = XC_HANDLER_INITIAL_VALUE;
-XenGnttab xen_xcg = XC_HANDLER_INITIAL_VALUE;
 struct xs_handle *xenstore = NULL;
 const char *xen_protocol;
 
diff --git a/hw/xen/xen_pt_config_init.c b/hw/xen/xen_pt_config_init.c
index 8ccc2e4b9c..de9a20f437 100644
--- a/hw/xen/xen_pt_config_init.c
+++ b/hw/xen/xen_pt_config_init.c
@@ -1123,8 +1123,8 @@ static int xen_pt_msgctrl_reg_write(XenPCIPassthroughState *s,
             msi->mapped = true;
         }
         msi->flags |= PCI_MSI_FLAGS_ENABLE;
-    } else {
-        msi->flags &= ~PCI_MSI_FLAGS_ENABLE;
+    } else if (msi->mapped) {
+        xen_pt_msi_disable(s);
     }
 
     /* pass through MSI_ENABLE bit */
@@ -1397,6 +1397,8 @@ static int xen_pt_msixctrl_reg_write(XenPCIPassthroughState *s,
     if ((*val & PCI_MSIX_FLAGS_ENABLE)
         && !(*val & PCI_MSIX_FLAGS_MASKALL)) {
         xen_pt_msix_update(s);
+    } else if (!(*val & PCI_MSIX_FLAGS_ENABLE) && s->msix->enabled) {
+        xen_pt_msix_disable(s);
     }
 
     debug_msix_enabled_old = s->msix->enabled;
diff --git a/hw/xen/xen_pt_msi.c b/hw/xen/xen_pt_msi.c
index 6fbe0cc86b..12b4c4560c 100644
--- a/hw/xen/xen_pt_msi.c
+++ b/hw/xen/xen_pt_msi.c
@@ -282,7 +282,8 @@ void xen_pt_msi_disable(XenPCIPassthroughState *s)
                      msi->initialized);
 
     /* clear msi info */
-    msi->flags = 0;
+    msi->flags &= ~PCI_MSI_FLAGS_ENABLE;
+    msi->initialized = false;
     msi->mapped = false;
     msi->pirq = XEN_PT_UNASSIGNED_PIRQ;
 }
@@ -446,7 +447,8 @@ static void pci_msix_write(void *opaque, hwaddr addr,
     if (offset != PCI_MSIX_ENTRY_VECTOR_CTRL) {
         const volatile uint32_t *vec_ctrl;
 
-        if (get_entry_value(entry, offset) == val) {
+        if (get_entry_value(entry, offset) == val
+            && entry->pirq != XEN_PT_UNASSIGNED_PIRQ) {
             return;
         }
 
diff --git a/hw/xenpv/Makefile.objs b/hw/xenpv/Makefile.objs
new file mode 100644
index 0000000000..49f6e9e3c5
--- /dev/null
+++ b/hw/xenpv/Makefile.objs
@@ -0,0 +1,2 @@
+# Xen PV machine support
+obj-$(CONFIG_XEN) += xen_domainbuild.o xen_machine_pv.o
diff --git a/hw/i386/xen_domainbuild.c b/hw/xenpv/xen_domainbuild.c
index c0ab7537df..c0ab7537df 100644
--- a/hw/i386/xen_domainbuild.c
+++ b/hw/xenpv/xen_domainbuild.c
diff --git a/hw/i386/xen_domainbuild.h b/hw/xenpv/xen_domainbuild.h
index 29a91ea7b1..29a91ea7b1 100644
--- a/hw/i386/xen_domainbuild.h
+++ b/hw/xenpv/xen_domainbuild.h
diff --git a/hw/i386/xen_machine_pv.c b/hw/xenpv/xen_machine_pv.c
index 9adb57fc14..9adb57fc14 100644
--- a/hw/i386/xen_machine_pv.c
+++ b/hw/xenpv/xen_machine_pv.c