[libvirt] [PATCH v4] qemu: wait for SPICE to migrate

Michal Privoznik mprivozn at redhat.com
Wed Sep 26 09:43:09 UTC 2012


On 26.09.2012 11:17, Daniel P. Berrange wrote:
> On Wed, Sep 26, 2012 at 11:11:51AM +0200, Michal Privoznik wrote:
>> Recently, there have been some improvements made to qemu so it
>> supports seamless migration or something very close to it.
>> However, it requires libvirt interaction. Once qemu is migrated,
>> the SPICE server needs to send its internal state to the destination.
>> Once it's done, it fires SPICE_MIGRATE_COMPLETED event and this
>> fact is advertised in 'query-spice' output as well.
>> We must not kill qemu until SPICE server finishes the transfer.
>> ---
>> diff to v3:
>> -drop wait_for_spice argument in qemuMigrationUpdateJobStatus
>> -refactor wait_for_spice computation
>> -s/VIR_ERR_CONFIG_UNSUPPORTED/VIR_ERR_OPERATION_UNSUPPORTED
>>
>>  src/qemu/qemu_capabilities.c |    3 ++
>>  src/qemu/qemu_capabilities.h |    1 +
>>  src/qemu/qemu_command.c      |    8 ++++++
>>  src/qemu/qemu_migration.c    |   19 ++++++++++++++-
>>  src/qemu/qemu_monitor.c      |   24 +++++++++++++++++++
>>  src/qemu/qemu_monitor.h      |    2 +
>>  src/qemu/qemu_monitor_json.c |   52 ++++++++++++++++++++++++++++++++++++++++++
>>  src/qemu/qemu_monitor_json.h |    3 ++
>>  8 files changed, 111 insertions(+), 1 deletions(-)
> 
> ACK
> 
> 
> Daniel
> 

Thanks, pushed.

Michal




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