[libvirt PATCH v2] qemu: substitute missing model name for host-passthrough
Collin Walling
walling at linux.ibm.com
Wed Sep 23 18:52:51 UTC 2020
On 9/23/20 10:18 AM, Jiri Denemark wrote:
> On Wed, Sep 23, 2020 at 09:26:58 +0200, Tim Wiederhake wrote:
>> From: Collin Walling <walling at linux.ibm.com>
>>
>> Before:
>> $ uname -m
>> s390x
>> $ cat passthrough-cpu.xml
>> <cpu check="none" mode="host-passthrough" />
>> $ virsh hypervisor-cpu-compare passthrough-cpu.xml
>> error: Failed to compare hypervisor CPU with passthrough-cpu.xml
>> error: internal error: unable to execute QEMU command 'query-cpu-model-comp
>> arison': Invalid parameter type for 'modelb.name', expected: string
>>
>> After:
>> $ virsh hypervisor-cpu-compare passthrough-cpu.xml
>> CPU described in passthrough-cpu.xml is identical to the CPU provided by hy
>> pervisor on the host
>>
>> Signed-off-by: Tim Wiederhake <twiederh at redhat.com>
>> ---
>> src/qemu/qemu_driver.c | 9 +++++++++
>> 1 file changed, 9 insertions(+)
>>
>> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
>> index ae715c01d7..1cecef01f7 100644
>> --- a/src/qemu/qemu_driver.c
>> +++ b/src/qemu/qemu_driver.c
>> @@ -12336,6 +12336,15 @@ qemuConnectCompareHypervisorCPU(virConnectPtr conn,
>> if (virCPUDefParseXMLString(xmlCPU, VIR_CPU_TYPE_AUTO, &cpu) < 0)
>> goto cleanup;
>>
>> + if (!cpu->model) {
>> + if (cpu->mode == VIR_CPU_MODE_HOST_PASSTHROUGH) {
>> + cpu->model = g_strdup("host");
>> + } else {
>> + virReportError(VIR_ERR_INVALID_ARG, "%s",
>> + _("cpu parameter is missing a model name"));
>> + goto cleanup;
>> + }
>> + }
>> ret = qemuConnectCPUModelComparison(qemuCaps, cfg->libDir,
>> cfg->user, cfg->group,
>> hvCPU, cpu, failIncompatible);
>
> Reviewed-by: Jiri Denemark <jdenemar at redhat.com>
>
> I'll wait some time for Collin to add Signed-of-by tag before pushing
> this.
>
Signed-off-by: Collin Walling <walling at linux.ibm.com>
Thanks!
--
Regards,
Collin
Stay safe and stay healthy
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