[PATCH v2] xen: recognize device_model_override

Olaf Hering olaf at aepfle.de
Fri Nov 20 12:29:14 UTC 2020


Since Xen 4.2 libxl expects device_model_override="/path" instead of
device_model="/path". Adjust the code to parse this as <emulator>.

While libxl also recognizes device_model_version="", this knob is not
required for libvirt. A runtime detection exists in libvirt to select
either "qemu-xen" or "qemu-xen-traditional".
Since qemu-xen-traditional is marked as supported just for stubdoms
there is no need to handle it.

The tests were adjusted with this script:

for i in tests/xlconfigdata/*.cfg tests/xmconfigdata/*.cfg
do
  case "$i" in
    *basic-hvm*) continue ;;
    *cpu-shares-hvm*) continue ;;
    *max-eventchannels-hvm*) continue ;;
    *max-gntframes-hvm*) continue ;;
    *moredevs-hvm*) continue ;;
    *variable-clock-hvm*) continue ;;
    *vnuma-hvm*) continue ;;
  esac
sed -i '
s@^device_model[[:blank:]]@device_model_override @
' "$i"
done
for i in tests/libxlxml2domconfigdata/*.json
do
  case "$i" in
    *basic-hvm*) continue ;;
    *cpu-shares-hvm*) continue ;;
    *max-eventchannels-hvm*) continue ;;
    *max-gntframes-hvm*) continue ;;
    *moredevs-hvm*) continue ;;
    *variable-clock-hvm*) continue ;;
    *vnuma-hvm*) continue ;;
  esac
sed -i '
s@"device_model"@"device_model_override"@
' "$i"
done

Signed-off-by: Olaf Hering <olaf at aepfle.de>
---
 src/libxl/xen_common.c                                        | 4 ++--
 tests/xlconfigdata/test-disk-positional-parms-full.cfg        | 2 +-
 tests/xlconfigdata/test-disk-positional-parms-partial.cfg     | 2 +-
 tests/xlconfigdata/test-disk-qed.cfg                          | 2 +-
 tests/xlconfigdata/test-fullvirt-acpi-slic.cfg                | 2 +-
 tests/xlconfigdata/test-fullvirt-cpuid.cfg                    | 2 +-
 .../test-fullvirt-direct-kernel-boot-bogus-extra.cfg          | 2 +-
 tests/xlconfigdata/test-fullvirt-direct-kernel-boot-extra.cfg | 2 +-
 tests/xlconfigdata/test-fullvirt-direct-kernel-boot.cfg       | 2 +-
 tests/xlconfigdata/test-fullvirt-hpet-timer.cfg               | 2 +-
 tests/xlconfigdata/test-fullvirt-hypervisor-features.cfg      | 2 +-
 tests/xlconfigdata/test-fullvirt-multi-timer.cfg              | 2 +-
 tests/xlconfigdata/test-fullvirt-multiserial.cfg              | 2 +-
 tests/xlconfigdata/test-fullvirt-multiusb.cfg                 | 2 +-
 tests/xlconfigdata/test-fullvirt-nestedhvm-disabled.cfg       | 2 +-
 tests/xlconfigdata/test-fullvirt-nestedhvm.cfg                | 2 +-
 tests/xlconfigdata/test-fullvirt-nohap.cfg                    | 2 +-
 tests/xlconfigdata/test-fullvirt-ovmf.cfg                     | 2 +-
 tests/xlconfigdata/test-fullvirt-ovswitch-tagged.cfg          | 2 +-
 tests/xlconfigdata/test-fullvirt-ovswitch-trunked.cfg         | 2 +-
 tests/xlconfigdata/test-fullvirt-pci.cfg                      | 2 +-
 tests/xlconfigdata/test-fullvirt-tsc-timer.cfg                | 2 +-
 tests/xlconfigdata/test-fullvirt-type.cfg                     | 2 +-
 tests/xlconfigdata/test-fullvirt-vnuma-autocomplete.cfg       | 2 +-
 tests/xlconfigdata/test-fullvirt-vnuma-nodistances.cfg        | 2 +-
 tests/xlconfigdata/test-fullvirt-vnuma-partialdist.cfg        | 2 +-
 tests/xlconfigdata/test-fullvirt-vnuma.cfg                    | 2 +-
 tests/xlconfigdata/test-net-fakemodel.cfg                     | 2 +-
 tests/xlconfigdata/test-new-disk.cfg                          | 2 +-
 tests/xlconfigdata/test-qemu-passthrough.cfg                  | 2 +-
 tests/xlconfigdata/test-rbd-multihost-noauth.cfg              | 2 +-
 tests/xlconfigdata/test-spice-features.cfg                    | 2 +-
 tests/xlconfigdata/test-spice.cfg                             | 2 +-
 tests/xlconfigdata/test-vif-multi-ip.cfg                      | 2 +-
 tests/xlconfigdata/test-vif-rate.cfg                          | 2 +-
 tests/xlconfigdata/test-vif-typename.cfg                      | 2 +-
 tests/xmconfigdata/test-escape-paths.cfg                      | 2 +-
 tests/xmconfigdata/test-fullvirt-default-feature.cfg          | 2 +-
 tests/xmconfigdata/test-fullvirt-force-hpet.cfg               | 2 +-
 tests/xmconfigdata/test-fullvirt-force-nohpet.cfg             | 2 +-
 tests/xmconfigdata/test-fullvirt-localtime.cfg                | 2 +-
 tests/xmconfigdata/test-fullvirt-net-netfront.cfg             | 2 +-
 tests/xmconfigdata/test-fullvirt-new-cdrom.cfg                | 2 +-
 tests/xmconfigdata/test-fullvirt-nohap.cfg                    | 2 +-
 tests/xmconfigdata/test-fullvirt-parallel-tcp.cfg             | 2 +-
 tests/xmconfigdata/test-fullvirt-serial-file.cfg              | 2 +-
 tests/xmconfigdata/test-fullvirt-serial-null.cfg              | 2 +-
 tests/xmconfigdata/test-fullvirt-serial-pipe.cfg              | 2 +-
 tests/xmconfigdata/test-fullvirt-serial-pty.cfg               | 2 +-
 tests/xmconfigdata/test-fullvirt-serial-stdio.cfg             | 2 +-
 tests/xmconfigdata/test-fullvirt-serial-tcp-telnet.cfg        | 2 +-
 tests/xmconfigdata/test-fullvirt-serial-tcp.cfg               | 2 +-
 tests/xmconfigdata/test-fullvirt-serial-udp.cfg               | 2 +-
 tests/xmconfigdata/test-fullvirt-serial-unix.cfg              | 2 +-
 tests/xmconfigdata/test-fullvirt-sound.cfg                    | 2 +-
 tests/xmconfigdata/test-fullvirt-usbmouse.cfg                 | 2 +-
 tests/xmconfigdata/test-fullvirt-usbtablet.cfg                | 2 +-
 tests/xmconfigdata/test-fullvirt-utc.cfg                      | 2 +-
 tests/xmconfigdata/test-no-source-cdrom.cfg                   | 2 +-
 tests/xmconfigdata/test-pci-dev-syntax.cfg                    | 2 +-
 tests/xmconfigdata/test-pci-devs.cfg                          | 2 +-
 61 files changed, 62 insertions(+), 62 deletions(-)

diff --git a/src/libxl/xen_common.c b/src/libxl/xen_common.c
index c82e487d80..88a784ed04 100644
--- a/src/libxl/xen_common.c
+++ b/src/libxl/xen_common.c
@@ -1508,7 +1508,7 @@ xenParseConfigCommon(virConfPtr conf,
     if (xenParseTimeOffset(conf, def) < 0)
         return -1;
 
-    if (xenConfigCopyStringOpt(conf, "device_model", &def->emulator) < 0)
+    if (xenConfigCopyStringOpt(conf, "device_model_override", &def->emulator) < 0)
         return -1;
 
     if (STREQ(nativeFormat, XEN_CONFIG_FORMAT_XL)) {
@@ -2242,7 +2242,7 @@ static int
 xenFormatEmulator(virConfPtr conf, virDomainDefPtr def)
 {
     if (def->emulator &&
-        xenConfigSetString(conf, "device_model", def->emulator) < 0)
+        xenConfigSetString(conf, "device_model_override", def->emulator) < 0)
         return -1;
 
     return 0;
diff --git a/tests/xlconfigdata/test-disk-positional-parms-full.cfg b/tests/xlconfigdata/test-disk-positional-parms-full.cfg
index 217d4dccf3..b5965945e1 100644
--- a/tests/xlconfigdata/test-disk-positional-parms-full.cfg
+++ b/tests/xlconfigdata/test-disk-positional-parms-full.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-disk-positional-parms-partial.cfg b/tests/xlconfigdata/test-disk-positional-parms-partial.cfg
index 940304e7b2..be5e23e39e 100644
--- a/tests/xlconfigdata/test-disk-positional-parms-partial.cfg
+++ b/tests/xlconfigdata/test-disk-positional-parms-partial.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-disk-qed.cfg b/tests/xlconfigdata/test-disk-qed.cfg
index 78421767de..5ae93f4d8a 100644
--- a/tests/xlconfigdata/test-disk-qed.cfg
+++ b/tests/xlconfigdata/test-disk-qed.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-acpi-slic.cfg b/tests/xlconfigdata/test-fullvirt-acpi-slic.cfg
index 99b1726343..b5bd9c9790 100644
--- a/tests/xlconfigdata/test-fullvirt-acpi-slic.cfg
+++ b/tests/xlconfigdata/test-fullvirt-acpi-slic.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-cpuid.cfg b/tests/xlconfigdata/test-fullvirt-cpuid.cfg
index bb7b9c7b32..e71a87dfe8 100644
--- a/tests/xlconfigdata/test-fullvirt-cpuid.cfg
+++ b/tests/xlconfigdata/test-fullvirt-cpuid.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-direct-kernel-boot-bogus-extra.cfg b/tests/xlconfigdata/test-fullvirt-direct-kernel-boot-bogus-extra.cfg
index 8012737c88..455ae0cee3 100644
--- a/tests/xlconfigdata/test-fullvirt-direct-kernel-boot-bogus-extra.cfg
+++ b/tests/xlconfigdata/test-fullvirt-direct-kernel-boot-bogus-extra.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-direct-kernel-boot-extra.cfg b/tests/xlconfigdata/test-fullvirt-direct-kernel-boot-extra.cfg
index 4ed5a90e18..10e64b0876 100644
--- a/tests/xlconfigdata/test-fullvirt-direct-kernel-boot-extra.cfg
+++ b/tests/xlconfigdata/test-fullvirt-direct-kernel-boot-extra.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-direct-kernel-boot.cfg b/tests/xlconfigdata/test-fullvirt-direct-kernel-boot.cfg
index 110f0a0cd1..f52c33dd3e 100644
--- a/tests/xlconfigdata/test-fullvirt-direct-kernel-boot.cfg
+++ b/tests/xlconfigdata/test-fullvirt-direct-kernel-boot.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-hpet-timer.cfg b/tests/xlconfigdata/test-fullvirt-hpet-timer.cfg
index a566bd75a3..b73ebf330c 100644
--- a/tests/xlconfigdata/test-fullvirt-hpet-timer.cfg
+++ b/tests/xlconfigdata/test-fullvirt-hpet-timer.cfg
@@ -14,7 +14,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-hypervisor-features.cfg b/tests/xlconfigdata/test-fullvirt-hypervisor-features.cfg
index 88f018c823..87156cc2db 100644
--- a/tests/xlconfigdata/test-fullvirt-hypervisor-features.cfg
+++ b/tests/xlconfigdata/test-fullvirt-hypervisor-features.cfg
@@ -13,7 +13,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-multi-timer.cfg b/tests/xlconfigdata/test-fullvirt-multi-timer.cfg
index 5a78585821..c897b2a161 100644
--- a/tests/xlconfigdata/test-fullvirt-multi-timer.cfg
+++ b/tests/xlconfigdata/test-fullvirt-multi-timer.cfg
@@ -15,7 +15,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-multiserial.cfg b/tests/xlconfigdata/test-fullvirt-multiserial.cfg
index 1fd765b087..25bc4506e7 100644
--- a/tests/xlconfigdata/test-fullvirt-multiserial.cfg
+++ b/tests/xlconfigdata/test-fullvirt-multiserial.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-multiusb.cfg b/tests/xlconfigdata/test-fullvirt-multiusb.cfg
index 6d456deb21..afb041d53c 100644
--- a/tests/xlconfigdata/test-fullvirt-multiusb.cfg
+++ b/tests/xlconfigdata/test-fullvirt-multiusb.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-nestedhvm-disabled.cfg b/tests/xlconfigdata/test-fullvirt-nestedhvm-disabled.cfg
index d4b9f452de..bdf94e79e2 100644
--- a/tests/xlconfigdata/test-fullvirt-nestedhvm-disabled.cfg
+++ b/tests/xlconfigdata/test-fullvirt-nestedhvm-disabled.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-nestedhvm.cfg b/tests/xlconfigdata/test-fullvirt-nestedhvm.cfg
index 281f1268a5..5882bfee9f 100644
--- a/tests/xlconfigdata/test-fullvirt-nestedhvm.cfg
+++ b/tests/xlconfigdata/test-fullvirt-nestedhvm.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-nohap.cfg b/tests/xlconfigdata/test-fullvirt-nohap.cfg
index e7e933df6e..4235909f07 100644
--- a/tests/xlconfigdata/test-fullvirt-nohap.cfg
+++ b/tests/xlconfigdata/test-fullvirt-nohap.cfg
@@ -13,7 +13,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-ovmf.cfg b/tests/xlconfigdata/test-fullvirt-ovmf.cfg
index b08e7fd98a..4d31a81108 100644
--- a/tests/xlconfigdata/test-fullvirt-ovmf.cfg
+++ b/tests/xlconfigdata/test-fullvirt-ovmf.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-ovswitch-tagged.cfg b/tests/xlconfigdata/test-fullvirt-ovswitch-tagged.cfg
index 6a3dc3cfeb..5ba84ad22a 100644
--- a/tests/xlconfigdata/test-fullvirt-ovswitch-tagged.cfg
+++ b/tests/xlconfigdata/test-fullvirt-ovswitch-tagged.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-ovswitch-trunked.cfg b/tests/xlconfigdata/test-fullvirt-ovswitch-trunked.cfg
index 29e9d38ae8..edd53c9a08 100644
--- a/tests/xlconfigdata/test-fullvirt-ovswitch-trunked.cfg
+++ b/tests/xlconfigdata/test-fullvirt-ovswitch-trunked.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-pci.cfg b/tests/xlconfigdata/test-fullvirt-pci.cfg
index 5a3f572e25..e639cf9c83 100644
--- a/tests/xlconfigdata/test-fullvirt-pci.cfg
+++ b/tests/xlconfigdata/test-fullvirt-pci.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-tsc-timer.cfg b/tests/xlconfigdata/test-fullvirt-tsc-timer.cfg
index 587d3461f8..a30052dbf7 100644
--- a/tests/xlconfigdata/test-fullvirt-tsc-timer.cfg
+++ b/tests/xlconfigdata/test-fullvirt-tsc-timer.cfg
@@ -14,7 +14,7 @@ localtime = 1
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-type.cfg b/tests/xlconfigdata/test-fullvirt-type.cfg
index f8ecc2e190..9a9854ef38 100644
--- a/tests/xlconfigdata/test-fullvirt-type.cfg
+++ b/tests/xlconfigdata/test-fullvirt-type.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 0
 parallel = "none"
diff --git a/tests/xlconfigdata/test-fullvirt-vnuma-autocomplete.cfg b/tests/xlconfigdata/test-fullvirt-vnuma-autocomplete.cfg
index edba69a172..98b7ca7f4f 100644
--- a/tests/xlconfigdata/test-fullvirt-vnuma-autocomplete.cfg
+++ b/tests/xlconfigdata/test-fullvirt-vnuma-autocomplete.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-vnuma-nodistances.cfg b/tests/xlconfigdata/test-fullvirt-vnuma-nodistances.cfg
index 8186edfee0..88f1c03fcb 100644
--- a/tests/xlconfigdata/test-fullvirt-vnuma-nodistances.cfg
+++ b/tests/xlconfigdata/test-fullvirt-vnuma-nodistances.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-vnuma-partialdist.cfg b/tests/xlconfigdata/test-fullvirt-vnuma-partialdist.cfg
index 861a50e76b..e117794086 100644
--- a/tests/xlconfigdata/test-fullvirt-vnuma-partialdist.cfg
+++ b/tests/xlconfigdata/test-fullvirt-vnuma-partialdist.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-fullvirt-vnuma.cfg b/tests/xlconfigdata/test-fullvirt-vnuma.cfg
index 91e233ac27..2220159ba4 100644
--- a/tests/xlconfigdata/test-fullvirt-vnuma.cfg
+++ b/tests/xlconfigdata/test-fullvirt-vnuma.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-net-fakemodel.cfg b/tests/xlconfigdata/test-net-fakemodel.cfg
index 70bd922ac0..6df0a0dc41 100644
--- a/tests/xlconfigdata/test-net-fakemodel.cfg
+++ b/tests/xlconfigdata/test-net-fakemodel.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-new-disk.cfg b/tests/xlconfigdata/test-new-disk.cfg
index 4fe76b257f..20dca0c257 100644
--- a/tests/xlconfigdata/test-new-disk.cfg
+++ b/tests/xlconfigdata/test-new-disk.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-qemu-passthrough.cfg b/tests/xlconfigdata/test-qemu-passthrough.cfg
index 42aad92205..79347d0ac8 100644
--- a/tests/xlconfigdata/test-qemu-passthrough.cfg
+++ b/tests/xlconfigdata/test-qemu-passthrough.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-rbd-multihost-noauth.cfg b/tests/xlconfigdata/test-rbd-multihost-noauth.cfg
index 01c15d59a1..5906865047 100644
--- a/tests/xlconfigdata/test-rbd-multihost-noauth.cfg
+++ b/tests/xlconfigdata/test-rbd-multihost-noauth.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-spice-features.cfg b/tests/xlconfigdata/test-spice-features.cfg
index f8a25e497a..944c653d70 100644
--- a/tests/xlconfigdata/test-spice-features.cfg
+++ b/tests/xlconfigdata/test-spice-features.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 vif = [ "mac=00:16:3e:66:92:9c,bridge=xenbr1,script=vif-bridge,model=e1000" ]
 parallel = "none"
 serial = "none"
diff --git a/tests/xlconfigdata/test-spice.cfg b/tests/xlconfigdata/test-spice.cfg
index abdf63dd25..976c166e04 100644
--- a/tests/xlconfigdata/test-spice.cfg
+++ b/tests/xlconfigdata/test-spice.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 vif = [ "mac=00:16:3e:66:92:9c,bridge=xenbr1,script=vif-bridge,model=e1000" ]
 parallel = "none"
 serial = "none"
diff --git a/tests/xlconfigdata/test-vif-multi-ip.cfg b/tests/xlconfigdata/test-vif-multi-ip.cfg
index 4a5d37f960..b082b9b22b 100644
--- a/tests/xlconfigdata/test-vif-multi-ip.cfg
+++ b/tests/xlconfigdata/test-vif-multi-ip.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-vif-rate.cfg b/tests/xlconfigdata/test-vif-rate.cfg
index 34a19a29b6..f6270c2d1e 100644
--- a/tests/xlconfigdata/test-vif-rate.cfg
+++ b/tests/xlconfigdata/test-vif-rate.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xlconfigdata/test-vif-typename.cfg b/tests/xlconfigdata/test-vif-typename.cfg
index fb5d94c27a..b2f1157438 100644
--- a/tests/xlconfigdata/test-vif-typename.cfg
+++ b/tests/xlconfigdata/test-vif-typename.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-escape-paths.cfg b/tests/xmconfigdata/test-escape-paths.cfg
index d3e410ffd2..03abf8d568 100644
--- a/tests/xmconfigdata/test-escape-paths.cfg
+++ b/tests/xmconfigdata/test-escape-paths.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386&test"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386&test"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-default-feature.cfg b/tests/xmconfigdata/test-fullvirt-default-feature.cfg
index b01e290239..86d1d809c0 100644
--- a/tests/xmconfigdata/test-fullvirt-default-feature.cfg
+++ b/tests/xmconfigdata/test-fullvirt-default-feature.cfg
@@ -13,7 +13,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-force-hpet.cfg b/tests/xmconfigdata/test-fullvirt-force-hpet.cfg
index 16fe985946..1cf6fbd333 100644
--- a/tests/xmconfigdata/test-fullvirt-force-hpet.cfg
+++ b/tests/xmconfigdata/test-fullvirt-force-hpet.cfg
@@ -13,7 +13,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-force-nohpet.cfg b/tests/xmconfigdata/test-fullvirt-force-nohpet.cfg
index eb118427cc..bf8c4134c0 100644
--- a/tests/xmconfigdata/test-fullvirt-force-nohpet.cfg
+++ b/tests/xmconfigdata/test-fullvirt-force-nohpet.cfg
@@ -13,7 +13,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-localtime.cfg b/tests/xmconfigdata/test-fullvirt-localtime.cfg
index 2f8514d5e4..bc7ed271e3 100644
--- a/tests/xmconfigdata/test-fullvirt-localtime.cfg
+++ b/tests/xmconfigdata/test-fullvirt-localtime.cfg
@@ -12,7 +12,7 @@ localtime = 1
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-net-netfront.cfg b/tests/xmconfigdata/test-fullvirt-net-netfront.cfg
index b744b2184e..901f620eff 100644
--- a/tests/xmconfigdata/test-fullvirt-net-netfront.cfg
+++ b/tests/xmconfigdata/test-fullvirt-net-netfront.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-new-cdrom.cfg b/tests/xmconfigdata/test-fullvirt-new-cdrom.cfg
index f9fce015e0..6fc9283a4c 100644
--- a/tests/xmconfigdata/test-fullvirt-new-cdrom.cfg
+++ b/tests/xmconfigdata/test-fullvirt-new-cdrom.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-nohap.cfg b/tests/xmconfigdata/test-fullvirt-nohap.cfg
index e5375dfdb6..6bd4eb4c29 100644
--- a/tests/xmconfigdata/test-fullvirt-nohap.cfg
+++ b/tests/xmconfigdata/test-fullvirt-nohap.cfg
@@ -13,7 +13,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-parallel-tcp.cfg b/tests/xmconfigdata/test-fullvirt-parallel-tcp.cfg
index 94c52d975b..62e18c1af3 100644
--- a/tests/xmconfigdata/test-fullvirt-parallel-tcp.cfg
+++ b/tests/xmconfigdata/test-fullvirt-parallel-tcp.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-serial-file.cfg b/tests/xmconfigdata/test-fullvirt-serial-file.cfg
index 9193cc8717..0574f97ccc 100644
--- a/tests/xmconfigdata/test-fullvirt-serial-file.cfg
+++ b/tests/xmconfigdata/test-fullvirt-serial-file.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-serial-null.cfg b/tests/xmconfigdata/test-fullvirt-serial-null.cfg
index 9ef60b4bd5..839818b228 100644
--- a/tests/xmconfigdata/test-fullvirt-serial-null.cfg
+++ b/tests/xmconfigdata/test-fullvirt-serial-null.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-serial-pipe.cfg b/tests/xmconfigdata/test-fullvirt-serial-pipe.cfg
index 60e41ab556..bdbfe30d1c 100644
--- a/tests/xmconfigdata/test-fullvirt-serial-pipe.cfg
+++ b/tests/xmconfigdata/test-fullvirt-serial-pipe.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-serial-pty.cfg b/tests/xmconfigdata/test-fullvirt-serial-pty.cfg
index d4e0763d15..3007e96efa 100644
--- a/tests/xmconfigdata/test-fullvirt-serial-pty.cfg
+++ b/tests/xmconfigdata/test-fullvirt-serial-pty.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-serial-stdio.cfg b/tests/xmconfigdata/test-fullvirt-serial-stdio.cfg
index efefe109b9..9af628c457 100644
--- a/tests/xmconfigdata/test-fullvirt-serial-stdio.cfg
+++ b/tests/xmconfigdata/test-fullvirt-serial-stdio.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-serial-tcp-telnet.cfg b/tests/xmconfigdata/test-fullvirt-serial-tcp-telnet.cfg
index 224f5274e1..cbbb30a42e 100644
--- a/tests/xmconfigdata/test-fullvirt-serial-tcp-telnet.cfg
+++ b/tests/xmconfigdata/test-fullvirt-serial-tcp-telnet.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-serial-tcp.cfg b/tests/xmconfigdata/test-fullvirt-serial-tcp.cfg
index e70ab847ec..d2b65b5c2d 100644
--- a/tests/xmconfigdata/test-fullvirt-serial-tcp.cfg
+++ b/tests/xmconfigdata/test-fullvirt-serial-tcp.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-serial-udp.cfg b/tests/xmconfigdata/test-fullvirt-serial-udp.cfg
index 9e7acdf0c4..8d44b053a8 100644
--- a/tests/xmconfigdata/test-fullvirt-serial-udp.cfg
+++ b/tests/xmconfigdata/test-fullvirt-serial-udp.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-serial-unix.cfg b/tests/xmconfigdata/test-fullvirt-serial-unix.cfg
index 964beba4fe..a6cc4a4cd9 100644
--- a/tests/xmconfigdata/test-fullvirt-serial-unix.cfg
+++ b/tests/xmconfigdata/test-fullvirt-serial-unix.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-sound.cfg b/tests/xmconfigdata/test-fullvirt-sound.cfg
index 501463f54c..5a71618f83 100644
--- a/tests/xmconfigdata/test-fullvirt-sound.cfg
+++ b/tests/xmconfigdata/test-fullvirt-sound.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-usbmouse.cfg b/tests/xmconfigdata/test-fullvirt-usbmouse.cfg
index 660f18e776..07d49573d0 100644
--- a/tests/xmconfigdata/test-fullvirt-usbmouse.cfg
+++ b/tests/xmconfigdata/test-fullvirt-usbmouse.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-usbtablet.cfg b/tests/xmconfigdata/test-fullvirt-usbtablet.cfg
index 90428882cc..45364b1a57 100644
--- a/tests/xmconfigdata/test-fullvirt-usbtablet.cfg
+++ b/tests/xmconfigdata/test-fullvirt-usbtablet.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-fullvirt-utc.cfg b/tests/xmconfigdata/test-fullvirt-utc.cfg
index f9fce015e0..6fc9283a4c 100644
--- a/tests/xmconfigdata/test-fullvirt-utc.cfg
+++ b/tests/xmconfigdata/test-fullvirt-utc.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "restart"
 on_crash = "restart"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-no-source-cdrom.cfg b/tests/xmconfigdata/test-no-source-cdrom.cfg
index 8439961215..a6045244e5 100644
--- a/tests/xmconfigdata/test-no-source-cdrom.cfg
+++ b/tests/xmconfigdata/test-no-source-cdrom.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "destroy"
 on_crash = "destroy"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-pci-dev-syntax.cfg b/tests/xmconfigdata/test-pci-dev-syntax.cfg
index e0f00d9bd7..c3add42e56 100644
--- a/tests/xmconfigdata/test-pci-dev-syntax.cfg
+++ b/tests/xmconfigdata/test-pci-dev-syntax.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "destroy"
 on_crash = "destroy"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1
diff --git a/tests/xmconfigdata/test-pci-devs.cfg b/tests/xmconfigdata/test-pci-devs.cfg
index 188227e187..9c6d3311a8 100644
--- a/tests/xmconfigdata/test-pci-devs.cfg
+++ b/tests/xmconfigdata/test-pci-devs.cfg
@@ -12,7 +12,7 @@ localtime = 0
 on_poweroff = "destroy"
 on_reboot = "destroy"
 on_crash = "destroy"
-device_model = "/usr/lib/xen/bin/qemu-system-i386"
+device_model_override = "/usr/lib/xen/bin/qemu-system-i386"
 sdl = 0
 vnc = 1
 vncunused = 1




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