Re: [PATCH V2 7/8] COLO: Migrate dirty pages during the gap of checkpointing

[Eric Blake]

On 2/24/20 12:54 AM, zhanghailiang wrote:
> We can migrate some dirty pages during the gap of checkpointing,
> by this way, we can reduce the amount of ram migrated during checkpointing.
>
> Signed-off-by: zhanghailiang <address@hidden>
> ---

> +++ b/qapi/migration.json
> @@ -977,12 +977,14 @@
>   #
>   # @vmstate-loaded: VM's state has been loaded by SVM.
>   #
> +# @migrate-ram-background: Send some dirty pages during the gap of COLO 
> checkpoint

Missing a '(since 5.0)' tag.

> +#
>   # Since: 2.8
>   ##
>   { 'enum': 'COLOMessage',
>     'data': [ 'checkpoint-ready', 'checkpoint-request', 'checkpoint-reply',
>               'vmstate-send', 'vmstate-size', 'vmstate-received',
> -            'vmstate-loaded' ] }
> +            'vmstate-loaded', 'migrate-ram-background' ] }
>   
>   ##
>   # @COLOMode:

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org