Re: [Qemu-devel] [PATCH f0r 2.11] runstate/migrate: Two more transitions

["Dr. David Alan Gilbert" <dgilbert@redhat.com>]

* Dr. David Alan Gilbert (git) (dgilbert@redhat.com) wrote:
> From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
> 
> There's a race if someone does a 'stop' near the end of migrate;
> the migration process goes through two runstates:
>     'finish migrate'
>     'postmigrate'
> 
> If the user issues a 'stop' between the two we end up with invalid
> state transitions.
> Add the transitions as valid.
> 
> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

Queued

> ---
>  vl.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/vl.c b/vl.c
> index 99fcfa0442..bacb03f49d 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -621,6 +621,7 @@ static const RunStateTransition runstate_transitions_def[] = {
>  
>      { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
>      { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
> +    { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
>      { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
>      { RUN_STATE_PAUSED, RUN_STATE_COLO},
>  
> @@ -633,6 +634,7 @@ static const RunStateTransition runstate_transitions_def[] = {
>      { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
>  
>      { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
> +    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
>      { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
>      { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
>      { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
> -- 
> 2.13.3
> 
> 
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK