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Re: [PATCH v6] migration: Support gtree migration
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From: |
Juan Quintela |
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Subject: |
Re: [PATCH v6] migration: Support gtree migration |
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Date: |
Fri, 11 Oct 2019 18:47:14 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux) |
Eric Auger <address@hidden> 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: Juan Quintela <address@hidden>