[Xen-devel] [PATCHv3 0/6] tools: rework VM Generation ID

[David Vrabel <david.vrabel@xxxxxxxxxx>]

This series reworks the VM Generation ID to a) conform to the
published spec from Microsoft; b) simplify the save/restore code; and
c) extend the libxl API to allow toolstacks to use this feature.

The VM Generation ID must be regenerated with a new random ID after
certain VM operations. Since xl lacks infrastructure for tracking the
life-cycle of snapshots and clones (etc), the safe option of always
using a new generation ID is used.

You can download the spec from:

  http://www.microsoft.com/en-us/download/details.aspx?id=30707

Changes in v3:

- Specify generation ID in libxl_domain_build_info instead of having
  to call a function to set it.
- Improve docs.

Changes in v2:

- Use libxl_uuid for the generation ID.
- Add "generation_id" option to xl domain configuration file and use
  this to set a random generation ID every time.

David

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