Re: [Qemu-devel] [PATCH v7 17/42] Add migration-capability boolean for postcopy-ram.

[Eric Blake]

On 06/16/2015 04:26 AM, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
> 
> The 'postcopy ram' capability allows postcopy migration of RAM;
> note that the migration starts off in precopy mode until
> postcopy mode is triggered (see the migrate_start_postcopy
> patch later in the series).
> 
> Signed-off-by: Dr. David Alan Gilbert <address@hidden>
> ---
>  include/migration/migration.h |  1 +
>  migration/migration.c         | 23 +++++++++++++++++++++++
>  qapi-schema.json              |  6 +++++-
>  3 files changed, 29 insertions(+), 1 deletion(-)
> 

> +++ b/qapi-schema.json
> @@ -526,11 +526,15 @@
>  # @auto-converge: If enabled, QEMU will automatically throttle down the guest
>  #          to speed up convergence of RAM migration. (since 1.6)
>  #
> +# @x-postcopy-ram: Start executing on the migration target before all of RAM 
> has
> +#          been migrated, pulling the remaining pages along as needed. NOTE: 
> If
> +#          the migration fails during postcopy the VM will fail.  (since 2.4)

Marking it experimental because it might change?  Or is the interface
pretty stable, but you want more testing time to minimize bugs?

Reviewed-by: Eric Blake <address@hidden>

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

signature.asc
Description: OpenPGP digital signature