Split qemu_savevm_state_begin to:
qemu_savevm_state_header That writes the initial file header.
qemu_savevm_state_begin That sets up devices and does the first
device pass.
Used later in postcopy.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>