Make snapshots region aware #742
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ludfjig
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Can we get this done before the next release? |
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- Accept iterator instead of slice - Move function from trait to module level. Necessary to maintain object safety of Hypervisor trait Signed-off-by: Ludvig Liljenberg <[email protected]>
- Separate Vecs for initial sandbox regions and mmap regions - Replace unmap_regions(n) with unmap_region(region) for precise control - Add Hash derive for MemoryRegion and related types - Enable use of MemoryRegino in HashSet for efficient set operations Signed-off-by: Ludvig Liljenberg <[email protected]>
- Snapshot now contains the memory region that were mapped at the time of snapshot - On restore, unmap regions that were not mapped at time of snapshot. Map regions that were - Add simple test Signed-off-by: Ludvig Liljenberg <[email protected]>
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This PR makes sure that when restoring to a snapshot, memory region that were mapped when the snapshot was taken, will be remapped if they have been unmapped since.
Will add a follow up pr for making sure snapshots "belong" to a particular sandbox, and can not be used to restore different sandbox.