Re: [PATCH v4] migration: Support gtree migration

[Peter Xu]

On Thu, Oct 10, 2019 at 10:52:42PM +0200, Eric Auger wrote:
> Introduce support for GTree migration. A custom save/restore
> is implemented. Each item is made of a key and a data.
> 
> If the key is a pointer to an object, 2 VMSDs are passed into
> the GTree VMStateField.
> 
> When putting the items, the tree is traversed in sorted order by
> g_tree_foreach.
> 
> On the get() path, gtrees must be allocated using the proper
> key compare, key destroy and value destroy. This must be handled
> beforehand, for example in a pre_load method.
> 
> Tests are added to test save/dump of structs containing gtrees
> including the virtio-iommu domain/mappings scenario.
> 
> Signed-off-by: Eric Auger <address@hidden>

Reviewed-by: Peter Xu <address@hidden>

-- 
Peter Xu