Re: [Qemu-devel] [PATCH RFC v4 06/13] qapi: add dirty-bitmaps migration capability

[Vladimir Sementsov-Ogievskiy <vsementsov@parallels.com>]

On 27.02.2015 21:29, Eric Blake wrote:
> On 02/27/2015 10:24 AM, Vladimir Sementsov-Ogievskiy wrote:
>> Reviewed-by: John Snow <jsnow@redhat.com>
>> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@parallels.com>
>> ---
>>   include/migration/migration.h | 1 +
>>   migration/migration.c         | 9 +++++++++
>>   qapi-schema.json              | 5 ++++-
>>   3 files changed, 14 insertions(+), 1 deletion(-)
> Reviewed-by: Eric Blake <eblake@redhat.com>
>
>
>>   #
>> +# @dirty-bitmaps: If enabled, QEMU will migrate named dirty bitmaps. (since 2.3)
> Just to make sure, this only affects the source side, and does not have
> to be set on the destination (that is, the destination will
> automatically handle incoming dirty bitmaps correctly without having to
> tweak the knob first)?  Of course, libvirt will check that the
> destination advertises the feature before enabling the knob on the
> source (to avoid the case of the source sending something the
> destination won't understand).
>
Yes, live migration in the destination will call load_state iff such 
block is found in the migration stream.

-- 
Best regards,
Vladimir