[libvirt PATCH 40/80] qemu: Finish completed unattended migration

[Peter Krempa]

On Tue, May 10, 2022 at 17:21:01 +0200, Jiri Denemark wrote:
> So far migration could only be completed while a migration API was
> running and waiting for the migration to finish. In case such API could
> not be called (the connection that initiated the migration is broken)
> the migration would just be aborted or left in a "don't know what to do"
> state. But this will change soon and we will be able to successfully
> complete such migration once we get the corresponding event from QEMU.
> This is specific to post-copy migration when vCPUs are already running
> on the destination and we're only waiting for all memory pages to be
> transferred. Such post-copy migration (which no-one is actively
> watching) is called unattended migration.
> 
> Signed-off-by: Jiri Denemark <jdenemar at redhat.com>
> ---
>  src/qemu/qemu_domain.c    |  1 +
>  src/qemu/qemu_domain.h    |  1 +
>  src/qemu/qemu_driver.c    |  5 +++++
>  src/qemu/qemu_migration.c | 43 +++++++++++++++++++++++++++++++++++++--
>  src/qemu/qemu_migration.h |  6 ++++++
>  src/qemu/qemu_process.c   | 18 ++++++++++++++++
>  6 files changed, 72 insertions(+), 2 deletions(-)

Reviewed-by: Peter Krempa <pkrempa at redhat.com>