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author | Peter Maydell <peter.maydell@linaro.org> | 2020-09-29 11:10:29 +0100 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2020-09-29 11:10:29 +0100 |
commit | 213057383c9f73a17cfe635b204d88e11f918df1 (patch) | |
tree | f3a1da40a8e48e3b8aaff8d355610e219c0de1cf /hw/s390x/virtio-ccw.c | |
parent | 23290e8070fa18dd8ff930515326e76eeee5810a (diff) | |
parent | 8138405528c29af2a850cd672a8f8a0b33b7ab40 (diff) | |
download | qemu-213057383c9f73a17cfe635b204d88e11f918df1.zip qemu-213057383c9f73a17cfe635b204d88e11f918df1.tar.gz qemu-213057383c9f73a17cfe635b204d88e11f918df1.tar.bz2 |
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
virtio,pc,acpi: fixes, tests
Fixes and tests all over the place.
Batch iommu updates for vdpa.
Removal of deprecated cpu hotplug commands.
SMBIOS OEM string support.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Tue 29 Sep 2020 08:09:21 BST
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream: (48 commits)
libvhost-user: return on error in vu_log_queue_fill()
libvhost-user: return early on virtqueue errors
hw: virtio-pmem: detach the element fromt the virtqueue when error occurs
tests/acpi: update golden master DSDT binary table blobs for q35
piix4: don't reserve hw resources when hotplug is off globally
Add ACPI DSDT tables for q35 that are being updated by the next patch
tests/acpi: add newly added acpi DSDT table blob for pci bridge hotplug flag
tests/acpi: unit test for 'acpi-pci-hotplug-with-bridge-support' bridge flag
tests/acpi: list added acpi table binary file for pci bridge hotplug test
i440fx/acpi: do not add hotplug related amls for cold plugged bridges
Fix a gap where acpi_pcihp_find_hotplug_bus() returns a non-hotpluggable bus
tests/acpi: add a new ACPI table in order to test root pci hotplug on/off
tests/acpi: add new unit test to test hotplug off/on feature on the root pci bus
tests/acpi: mark addition of table DSDT.roothp for unit testing root pci hotplug
vhost-user: save features of multiqueues if chardev is closed
qemu-options: document SMBIOS type 11 settings
hw/smbios: report error if table size is too large
hw/smbios: support loading OEM strings values from a file
tests: acpi: update acpi blobs with new AML
x68: acpi: trigger SMI before sending hotplug Notify event to OSPM
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/s390x/virtio-ccw.c')
-rw-r--r-- | hw/s390x/virtio-ccw.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index 8d140dc..4582e94 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -1122,9 +1122,18 @@ static void virtio_ccw_device_plugged(DeviceState *d, Error **errp) } if (!virtio_ccw_rev_max(dev) && !virtio_legacy_allowed(vdev)) { - error_setg(errp, "Invalid value of property max_rev " - "(is %d expected >= 1)", virtio_ccw_rev_max(dev)); - return; + /* + * To avoid migration issues, we allow legacy mode when legacy + * check is disabled in the old machine types (< 5.1). + */ + if (virtio_legacy_check_disabled(vdev)) { + warn_report("device requires revision >= 1, but for backward " + "compatibility max_revision=0 is allowed"); + } else { + error_setg(errp, "Invalid value of property max_rev " + "(is %d expected >= 1)", virtio_ccw_rev_max(dev)); + return; + } } if (virtio_get_num_queues(vdev) > VIRTIO_QUEUE_MAX) { |