[libvirt] [PATCH] qemu: parse -device virtio-balloon

Laine Stump laine at laine.org
Mon Jun 9 10:29:15 UTC 2014


There are no options to parse here, and all three possible device
names have the same prefix ("virtio-balloon" with "-ccw", "-pci", or
"-device" appended), so it is fairly simple.

qemuParseCommandLineString() previously would always add a <memballoon
model='virtio'/> to every result (the comments erroneously say that it
is adding a <memballoon model='none'/>) This has been changed to add
model='none', and 84 test case xml's updated accordingly (so that
qemuxml2argvtest won't fail).

Now that the memballoon device is properly parsed, we can safely add a
test for properly ignoring -nodefconfig and -nodefaults. Rather than
adding an entire new test case for this (and memballoon), we just
randomly pick the clock-utc test and modify it slightly to fulfill the
purpose.
---

I don't necessarily have any love for the memory balloon driver, but
this ended up being necessary in order to prevent test failures after
fixing the patch here to not ignore unrecognized -device args:

  https://www.redhat.com/archives/libvir-list/2014-June/msg00388.html

 src/qemu/qemu_command.c                                           | 8 +++++++-
 tests/qemuxml2argvdata/qemuxml2argv-boot-cdrom.xml                | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-boot-floppy.xml               | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-boot-network.xml              | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-clock-localtime.xml           | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-clock-utc.args                | 7 ++++---
 tests/qemuxml2argvdata/qemuxml2argv-console-compat.xml            | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.xml          | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom.xml                | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-cdrom.xml     | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-disk.xml      | 2 +-
 .../qemuxml2argvdata/qemuxml2argv-disk-drive-cache-directsync.xml | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-unsafe.xml   | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-none.xml  | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wb.xml    | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-none.xml  | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wb.xml    | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wt.xml    | 2 +-
 .../qemuxml2argv-disk-drive-error-policy-enospace.xml             | 2 +-
 .../qemuxml2argv-disk-drive-error-policy-stop.xml                 | 2 +-
 .../qemuxml2argv-disk-drive-error-policy-wreport-rignore.xml      | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-fmt-qcow.xml       | 2 +-
 .../qemuxml2argvdata/qemuxml2argv-disk-drive-network-gluster.xml  | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-iscsi.xml  | 2 +-
 .../qemuxml2argv-disk-drive-network-nbd-export.xml                | 2 +-
 .../qemuxml2argv-disk-drive-network-nbd-ipv6-export.xml           | 2 +-
 .../qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-ipv6.xml | 2 +-
 .../qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-unix.xml | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd.xml    | 2 +-
 .../qemuxml2argv-disk-drive-network-rbd-ceph-env.xml              | 2 +-
 .../qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-ipv6.xml | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd.xml    | 2 +-
 .../qemuxml2argvdata/qemuxml2argv-disk-drive-network-sheepdog.xml | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-floppy.xml               | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-many.xml                 | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-usb.xml                  | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-virtio.xml               | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-disk-xenvbd.xml               | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl-fullscreen.xml   | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.xml              | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-policy.xml       | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-sasl.xml         | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-socket.xml       | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-tls.xml          | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-websocket.xml    | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc.xml              | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-hostdev-pci-address.xml       | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.xml       | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-hyperv.xml                    | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse.xml            | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-input-usbtablet.xml           | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-kvmclock.xml                  | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-machine-core-off.xml          | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-machine-core-on.xml           | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-migrate.xml                   | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-misc-acpi.xml                 | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-misc-disable-s3.xml           | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-misc-disable-suspends.xml     | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-misc-enable-s4.xml            | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-misc-no-reboot.xml            | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-misc-uuid.xml                 | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml            | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml                   | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-net-user.xml                  | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-net-virtio.xml                | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-nographics-vga.xml            | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-nosharepages.xml              | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-parallel-tcp.xml              | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-pseries-disk.xml              | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-pseries-nvram.xml             | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-qemu-ns-no-env.xml            | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-reboot-timeout-disabled.xml   | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-reboot-timeout-enabled.xml    | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-restore-v1.xml                | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-restore-v2.xml                | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-serial-dev.xml                | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-serial-file.xml               | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-serial-many.xml               | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-serial-pty.xml                | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet.xml         | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-serial-tcp.xml                | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-serial-udp.xml                | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-serial-unix.xml               | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-serial-vc.xml                 | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-smp.xml                       | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-sound.xml                     | 2 +-
 tests/qemuxml2argvdata/qemuxml2argv-watchdog.xml                  | 2 +-
 tests/qemuxml2argvtest.c                                          | 2 +-
 88 files changed, 97 insertions(+), 90 deletions(-)

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 2caee66..e1d7e1b 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -11353,6 +11353,12 @@ qemuParseCommandLine(virCapsPtr qemuCaps,
                 virDomainHostdevDefFree(hostdev);
                 goto error;
             }
+        } else if (STREQ(arg, "-device") && progargv[i + 1] &&
+                   STRPREFIX(progargv[i + 1], "virtio-balloon")) {
+            WANT_VALUE();
+            if (VIR_ALLOC(def->memballoon) < 0)
+                goto error;
+            def->memballoon->model = VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO;
         } else if (STREQ(arg, "-soundhw")) {
             const char *start;
             WANT_VALUE();
@@ -11657,7 +11663,7 @@ qemuParseCommandLine(virCapsPtr qemuCaps,
         virDomainMemballoonDefPtr memballoon;
         if (VIR_ALLOC(memballoon) < 0)
             goto error;
-        memballoon->model = VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO;
+        memballoon->model = VIR_DOMAIN_MEMBALLOON_MODEL_NONE;
 
         def->memballoon = memballoon;
     }
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-cdrom.xml b/tests/qemuxml2argvdata/qemuxml2argv-boot-cdrom.xml
index b5c37bb..b639821 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-cdrom.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-cdrom.xml
@@ -24,6 +24,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-floppy.xml b/tests/qemuxml2argvdata/qemuxml2argv-boot-floppy.xml
index e42f7ed..610321f 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-floppy.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-floppy.xml
@@ -30,6 +30,6 @@
     <controller type='fdc' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-network.xml b/tests/qemuxml2argvdata/qemuxml2argv-boot-network.xml
index 8124f34..f4ebc2e 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-boot-network.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-network.xml
@@ -23,6 +23,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-clock-localtime.xml b/tests/qemuxml2argvdata/qemuxml2argv-clock-localtime.xml
index 2acb71f..4e1f66b 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-clock-localtime.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-clock-localtime.xml
@@ -23,6 +23,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-clock-utc.args b/tests/qemuxml2argvdata/qemuxml2argv-clock-utc.args
index 57fc6e3..9ed48c1 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-clock-utc.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-clock-utc.args
@@ -1,5 +1,6 @@
 LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
 /usr/bin/qemu -S -M \
-pc -m 214 -smp 1 -nographic -monitor unix:/tmp/test-monitor,server,nowait \
--no-acpi -boot c -usb -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel \
-none
+pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults \
+-monitor unix:/tmp/test-monitor,server,nowait \
+-no-acpi -boot c -usb -hda /dev/HostVG/QEMUGuest1 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-console-compat.xml b/tests/qemuxml2argvdata/qemuxml2argv-console-compat.xml
index b1ee29c..dc2f851 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-console-compat.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-console-compat.xml
@@ -29,6 +29,6 @@
     <console type='pty'>
       <target type='serial' port='0'/>
     </console>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.xml
index d8ff676..60b3168 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom-empty.xml
@@ -29,6 +29,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom.xml
index 75b9cec..5d94ec0 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-cdrom.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-cdrom.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-cdrom.xml
index 59ef29d..31d3702 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-cdrom.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-cdrom.xml
@@ -29,6 +29,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-disk.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-disk.xml
index 0c9bc08..3b06a97 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-disk.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-boot-disk.xml
@@ -29,6 +29,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-directsync.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-directsync.xml
index 0b85fb1..779aa17 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-directsync.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-directsync.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-unsafe.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-unsafe.xml
index 4bd8e24..481cc55 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-unsafe.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-unsafe.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-none.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-none.xml
index 7fe9082..933feb4 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-none.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-none.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wb.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wb.xml
index f0e7df4..4cc449d 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wb.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v1-wb.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-none.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-none.xml
index 0beda48..63fb2b0 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-none.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-none.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wb.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wb.xml
index 00730f7..dcac861 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wb.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wb.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wt.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wt.xml
index 6ee75aa..0a93f00 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wt.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-cache-v2-wt.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-enospace.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-enospace.xml
index 92fcd8a..ab88224 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-enospace.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-enospace.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-stop.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-stop.xml
index 83d5dd0..b78be46 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-stop.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-stop.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-wreport-rignore.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-wreport-rignore.xml
index ded9cd1..14dd1ca 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-wreport-rignore.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-wreport-rignore.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-fmt-qcow.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-fmt-qcow.xml
index 85fe2a9..a36b09c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-fmt-qcow.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-fmt-qcow.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-gluster.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-gluster.xml
index 7c1fdb1..dce5f23 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-gluster.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-gluster.xml
@@ -30,6 +30,6 @@
     </disk>
     <controller type='usb' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-iscsi.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-iscsi.xml
index a6b13ab..1764259 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-iscsi.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-iscsi.xml
@@ -30,6 +30,6 @@
     </disk>
     <controller type='usb' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-export.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-export.xml
index dd52c39..62b17ec 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-export.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-export.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-ipv6-export.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-ipv6-export.xml
index c3bfa34..0ba7a05 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-ipv6-export.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-ipv6-export.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-ipv6.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-ipv6.xml
index 8087f90..aaafa63 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-ipv6.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-ipv6.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-unix.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-unix.xml
index 0955fee..82aeaf1 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-unix.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd-unix.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd.xml
index e74b95f..6d18d72 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-nbd.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-ceph-env.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-ceph-env.xml
index bba512e..37e9db5 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-ceph-env.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-ceph-env.xml
@@ -32,6 +32,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-ipv6.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-ipv6.xml
index 06e852d..bc9d8d0 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-ipv6.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd-ipv6.xml
@@ -33,6 +33,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd.xml
index bba512e..37e9db5 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-rbd.xml
@@ -32,6 +32,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-sheepdog.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-sheepdog.xml
index d20ca3e..fc9ad16 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-sheepdog.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-drive-network-sheepdog.xml
@@ -30,6 +30,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-floppy.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-floppy.xml
index 8bbd324..343767d 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-floppy.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-floppy.xml
@@ -36,6 +36,6 @@
     <controller type='fdc' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-many.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-many.xml
index edcd015..9674237 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-many.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-many.xml
@@ -41,6 +41,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-usb.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-usb.xml
index 730c4f3..74a30df 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-usb.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-usb.xml
@@ -28,6 +28,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-virtio.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-virtio.xml
index 3e2e550..458c55d 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-virtio.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-virtio.xml
@@ -40,6 +40,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-xenvbd.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-xenvbd.xml
index 3baf97d..e0bad71 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-disk-xenvbd.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-xenvbd.xml
@@ -40,6 +40,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl-fullscreen.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl-fullscreen.xml
index 4aa385c..0177654 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl-fullscreen.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl-fullscreen.xml
@@ -29,6 +29,6 @@
     <video>
       <model type='cirrus' vram='9216' heads='1'/>
     </video>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.xml
index 66ea35d..6bebd10 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.xml
@@ -29,6 +29,6 @@
     <video>
       <model type='vga' vram='9216' heads='1'/>
     </video>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-policy.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-policy.xml
index 0198930..694343f 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-policy.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-policy.xml
@@ -31,6 +31,6 @@
     <video>
       <model type='cirrus' vram='9216' heads='1'/>
     </video>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-sasl.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-sasl.xml
index eda2e87..b35c2bd 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-sasl.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-sasl.xml
@@ -31,6 +31,6 @@
     <video>
       <model type='cirrus' vram='9216' heads='1'/>
     </video>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-socket.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-socket.xml
index 2b13865..44df226 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-socket.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-socket.xml
@@ -29,6 +29,6 @@
     <video>
       <model type='cirrus' vram='9216' heads='1'/>
     </video>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-tls.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-tls.xml
index eda2e87..b35c2bd 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-tls.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-tls.xml
@@ -31,6 +31,6 @@
     <video>
       <model type='cirrus' vram='9216' heads='1'/>
     </video>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-websocket.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-websocket.xml
index 11e5a7a..cfa61be 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-websocket.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-websocket.xml
@@ -24,6 +24,6 @@
     <video>
       <model type='cirrus' vram='9216' heads='1'/>
     </video>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc.xml
index 267876f..356ac36 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc.xml
@@ -31,6 +31,6 @@
     <video>
       <model type='cirrus' vram='9216' heads='1'/>
     </video>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-pci-address.xml b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-pci-address.xml
index 422127c..b9b5c14 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-pci-address.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-pci-address.xml
@@ -28,6 +28,6 @@
         <address domain='0x0000' bus='0x06' slot='0x12' function='0x5'/>
       </source>
     </hostdev>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.xml b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.xml
index ee00634..5807eff 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-usb-address.xml
@@ -28,6 +28,6 @@
         <address bus='14' device='6'/>
       </source>
     </hostdev>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hyperv.xml b/tests/qemuxml2argvdata/qemuxml2argv-hyperv.xml
index bb36fc0..5b80040 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-hyperv.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-hyperv.xml
@@ -24,6 +24,6 @@
     <emulator>/usr/bin/qemu</emulator>
     <controller type='usb' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse.xml b/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse.xml
index 0863737..5765a04 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-input-usbmouse.xml
@@ -24,6 +24,6 @@
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
     <input type='mouse' bus='usb'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-input-usbtablet.xml b/tests/qemuxml2argvdata/qemuxml2argv-input-usbtablet.xml
index 03558dd..59d04eb 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-input-usbtablet.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-input-usbtablet.xml
@@ -24,6 +24,6 @@
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
     <input type='tablet' bus='usb'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-kvmclock.xml b/tests/qemuxml2argvdata/qemuxml2argv-kvmclock.xml
index a187aaa..32fb349 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-kvmclock.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-kvmclock.xml
@@ -21,6 +21,6 @@
     <emulator>/usr/bin/kvm</emulator>
     <controller type='usb' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-machine-core-off.xml b/tests/qemuxml2argvdata/qemuxml2argv-machine-core-off.xml
index 5eb229f..37a9e22 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-machine-core-off.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-machine-core-off.xml
@@ -23,6 +23,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-machine-core-on.xml b/tests/qemuxml2argvdata/qemuxml2argv-machine-core-on.xml
index 0dd5b39..b98f434 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-machine-core-on.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-machine-core-on.xml
@@ -23,6 +23,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-migrate.xml b/tests/qemuxml2argvdata/qemuxml2argv-migrate.xml
index 3a375fe..5fcc470 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-migrate.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-migrate.xml
@@ -23,6 +23,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-misc-acpi.xml b/tests/qemuxml2argvdata/qemuxml2argv-misc-acpi.xml
index 6fe8a85..5e1a101 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-misc-acpi.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-misc-acpi.xml
@@ -26,6 +26,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-misc-disable-s3.xml b/tests/qemuxml2argvdata/qemuxml2argv-misc-disable-s3.xml
index b9313e0..80d8f0f 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-misc-disable-s3.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-misc-disable-s3.xml
@@ -26,6 +26,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-misc-disable-suspends.xml b/tests/qemuxml2argvdata/qemuxml2argv-misc-disable-suspends.xml
index f432732..5da5fa6 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-misc-disable-suspends.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-misc-disable-suspends.xml
@@ -27,6 +27,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-misc-enable-s4.xml b/tests/qemuxml2argvdata/qemuxml2argv-misc-enable-s4.xml
index cea52f8..8263642 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-misc-enable-s4.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-misc-enable-s4.xml
@@ -26,6 +26,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-misc-no-reboot.xml b/tests/qemuxml2argvdata/qemuxml2argv-misc-no-reboot.xml
index 10c2d41..43a88ee 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-misc-no-reboot.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-misc-no-reboot.xml
@@ -23,6 +23,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-misc-uuid.xml b/tests/qemuxml2argvdata/qemuxml2argv-misc-uuid.xml
index 6fe8a85..5e1a101 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-misc-uuid.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-misc-uuid.xml
@@ -26,6 +26,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml
index 8ad6eb7..d616918 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml
@@ -29,6 +29,6 @@
       <target dev='nic02'/>
       <model type='rtl8139'/>
     </interface>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml
index 6f00fe1..bc1a981 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml
@@ -28,6 +28,6 @@
       <script path='/etc/qemu-ifup'/>
       <model type='rtl8139'/>
     </interface>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-user.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-user.xml
index 960b7aa..80330aa 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-net-user.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-user.xml
@@ -27,6 +27,6 @@
       <mac address='00:11:22:33:44:55'/>
       <model type='rtl8139'/>
     </interface>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-virtio.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio.xml
index 195a3d9..5c0ef55 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-net-virtio.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio.xml
@@ -27,6 +27,6 @@
       <mac address='00:11:22:33:44:55'/>
       <model type='virtio'/>
     </interface>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-nographics-vga.xml b/tests/qemuxml2argvdata/qemuxml2argv-nographics-vga.xml
index 3a375fe..5fcc470 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-nographics-vga.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-nographics-vga.xml
@@ -23,6 +23,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-nosharepages.xml b/tests/qemuxml2argvdata/qemuxml2argv-nosharepages.xml
index 5e54cd0..c53b7c3 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-nosharepages.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-nosharepages.xml
@@ -26,6 +26,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-parallel-tcp.xml b/tests/qemuxml2argvdata/qemuxml2argv-parallel-tcp.xml
index 60ea846..a3dfe9a 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-parallel-tcp.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-parallel-tcp.xml
@@ -28,6 +28,6 @@
       <protocol type='raw'/>
       <target port='0'/>
     </parallel>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pseries-disk.xml b/tests/qemuxml2argvdata/qemuxml2argv-pseries-disk.xml
index 64b70f3..1f896f8 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-pseries-disk.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pseries-disk.xml
@@ -36,6 +36,6 @@
     <video>
       <model type='cirrus' vram='9216' heads='1'/>
     </video>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pseries-nvram.xml b/tests/qemuxml2argvdata/qemuxml2argv-pseries-nvram.xml
index d001ee7..9703bd4 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-pseries-nvram.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pseries-nvram.xml
@@ -16,7 +16,7 @@
     <emulator>/usr/bin/qemu-system-ppc64</emulator>
     <controller type='usb' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
     <nvram>
       <address type='spapr-vio' reg='0x4000'/>
     </nvram>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-qemu-ns-no-env.xml b/tests/qemuxml2argvdata/qemuxml2argv-qemu-ns-no-env.xml
index 29f84db..3e43132 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-qemu-ns-no-env.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-qemu-ns-no-env.xml
@@ -23,7 +23,7 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
   <qemu:commandline>
     <qemu:arg value='-unknown'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-reboot-timeout-disabled.xml b/tests/qemuxml2argvdata/qemuxml2argv-reboot-timeout-disabled.xml
index 883a804..974b966 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-reboot-timeout-disabled.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-reboot-timeout-disabled.xml
@@ -17,6 +17,6 @@
     <emulator>/usr/bin/qemu</emulator>
     <controller type='usb' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-reboot-timeout-enabled.xml b/tests/qemuxml2argvdata/qemuxml2argv-reboot-timeout-enabled.xml
index a298b9d..4d400e1 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-reboot-timeout-enabled.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-reboot-timeout-enabled.xml
@@ -17,6 +17,6 @@
     <emulator>/usr/bin/qemu</emulator>
     <controller type='usb' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-restore-v1.xml b/tests/qemuxml2argvdata/qemuxml2argv-restore-v1.xml
index 138a83a..b40ca80 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-restore-v1.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-restore-v1.xml
@@ -23,6 +23,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-restore-v2.xml b/tests/qemuxml2argvdata/qemuxml2argv-restore-v2.xml
index 3a375fe..5fcc470 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-restore-v2.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-restore-v2.xml
@@ -23,6 +23,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-dev.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-dev.xml
index b1a7429..4c4de66 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-dev.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-dev.xml
@@ -31,6 +31,6 @@
       <source path='/dev/ttyS2'/>
       <target type='serial' port='0'/>
     </console>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-file.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-file.xml
index 4335f43..e4b0396 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-file.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-file.xml
@@ -31,6 +31,6 @@
       <source path='/tmp/serial.log'/>
       <target type='serial' port='0'/>
     </console>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-many.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-many.xml
index 4829285..8bce8f5 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-many.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-many.xml
@@ -33,6 +33,6 @@
     <console type='pty'>
       <target type='serial' port='0'/>
     </console>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-pty.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-pty.xml
index d2af760..1de2305 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-pty.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-pty.xml
@@ -29,6 +29,6 @@
     <console type='pty'>
       <target type='serial' port='0'/>
     </console>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet.xml
index 06ce154..5a667d7 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-telnet.xml
@@ -33,6 +33,6 @@
       <protocol type='telnet'/>
       <target type='serial' port='0'/>
     </console>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp.xml
index 493f8a1..cc8bcfe 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp.xml
@@ -33,6 +33,6 @@
       <protocol type='raw'/>
       <target type='serial' port='0'/>
     </console>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-udp.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-udp.xml
index d525965..8cc2f9c 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-udp.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-udp.xml
@@ -37,6 +37,6 @@
       <source mode='connect' host='127.0.0.1' service='9998'/>
       <target type='serial' port='0'/>
     </console>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-unix.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-unix.xml
index 8aa052d..6bb1ce9 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-unix.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-unix.xml
@@ -31,6 +31,6 @@
       <source mode='connect' path='/tmp/serial.sock'/>
       <target type='serial' port='0'/>
     </console>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-vc.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-vc.xml
index 12107d7..ea789ab 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-serial-vc.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-vc.xml
@@ -29,6 +29,6 @@
     <console type='vc'>
       <target type='serial' port='0'/>
     </console>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-smp.xml b/tests/qemuxml2argvdata/qemuxml2argv-smp.xml
index 55bf16d..365e9df 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-smp.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-smp.xml
@@ -26,6 +26,6 @@
     <controller type='usb' index='0'/>
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-sound.xml b/tests/qemuxml2argvdata/qemuxml2argv-sound.xml
index 0bd1185..7349003 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-sound.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-sound.xml
@@ -27,6 +27,6 @@
     <sound model='es1370'/>
     <sound model='sb16'/>
     <sound model='ac97'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-watchdog.xml b/tests/qemuxml2argvdata/qemuxml2argv-watchdog.xml
index 32d57e0..2bbb826 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-watchdog.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-watchdog.xml
@@ -24,6 +24,6 @@
     <controller type='ide' index='0'/>
     <controller type='pci' index='0' model='pci-root'/>
     <watchdog model='ib700' action='poweroff'/>
-    <memballoon model='virtio'/>
+    <memballoon model='none'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 24d104e..803c3b8 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -630,7 +630,7 @@ mymain(void)
     DO_TEST_FAILURE("reboot-timeout-enabled", NONE);
 
     DO_TEST("bios", QEMU_CAPS_DEVICE, QEMU_CAPS_SGA);
-    DO_TEST("clock-utc", NONE);
+    DO_TEST("clock-utc", QEMU_CAPS_NODEFCONFIG, QEMU_CAPS_DEVICE);
     DO_TEST("clock-localtime", NONE);
     DO_TEST("clock-localtime-basis-localtime", QEMU_CAPS_RTC);
     DO_TEST("clock-variable", QEMU_CAPS_RTC);
-- 
1.9.3




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