[Qemu-block] [PATCH 1/2] qemu-iotests: only enable kvm if the host seems to support it

[Cleber Rosa]

There are certainly some improvements to be made with regards
to kvm capabilities detection, but this seems good enough for
this specific case.

Signed-off-by: Cleber Rosa <address@hidden>
---
 tests/qemu-iotests/235 | 5 +++--
 tests/qemu-iotests/238 | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/tests/qemu-iotests/235 b/tests/qemu-iotests/235
index d6edd97ab4..c83b548adc 100755
--- a/tests/qemu-iotests/235
+++ b/tests/qemu-iotests/235
@@ -25,7 +25,7 @@ from iotests import qemu_img_create, qemu_io, file_path, log
 
 sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'scripts'))
 
-from qemu import QEMUMachine
+from qemu import QEMUMachine, kvm_available
 
 # Note:
 # This test was added to check that mirror dead-lock was fixed (see previous
@@ -49,7 +49,8 @@ qemu_img_create('-f', iotests.imgfmt, '-o', 
'preallocation=metadata', disk,
                 str(size))
 
 vm = QEMUMachine(iotests.qemu_prog)
-vm.add_args('-machine', 'accel=kvm')
+if kvm_available():
+        vm.add_args('-machine', 'accel=kvm')
 if iotests.qemu_default_machine == 's390-ccw-virtio':
         vm.add_args('-no-shutdown')
 vm.add_args('-drive', 'id=src,file=' + disk)
diff --git a/tests/qemu-iotests/238 b/tests/qemu-iotests/238
index f81ee1112f..75ccd5f82f 100755
--- a/tests/qemu-iotests/238
+++ b/tests/qemu-iotests/238
@@ -25,7 +25,7 @@ from iotests import log
 
 sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'scripts'))
 
-from qemu import QEMUMachine
+from qemu import QEMUMachine, kvm_available
 
 if iotests.qemu_default_machine == 's390-ccw-virtio':
     virtio_scsi_device = 'virtio-scsi-ccw'
@@ -33,7 +33,8 @@ else:
     virtio_scsi_device = 'virtio-scsi-pci'
 
 vm = QEMUMachine(iotests.qemu_prog)
-vm.add_args('-machine', 'accel=kvm')
+if kvm_available():
+        vm.add_args('-machine', 'accel=kvm')
 vm.launch()
 
 log(vm.qmp('blockdev-add', node_name='hd0', driver='null-co'))
-- 
2.20.1