[Xen-devel] [PATCH 0 of 4] Support for VM generation ID save/restore and migrate

[Paul Durrant <paul.durrant@xxxxxxxxxx>]

This patch series adds support for preservation of the VM generation ID buffer
address in xenstore across save/restore and migrate, and also code to
increment the value in all cases except for migration.

Patch 1 modifies the guest ro and rw node creation to an open coding style
and cleans up some extraneous node creation.
Patch 2 modifies creation of the hvmloader key in xenstore and adds
creation of a new read/write hvmloader/generation-id-addr key.
Patch 3 changes hvmloader to use the new key (as opposed to the old
data/generation-id key). Note that it is safe to apply this patch
independently of the others but it logically belongs at this position in
the series.
Patch 4 adds the infrastructure to save and restore the VM generation
ID address in xenstore and the code to increment the value.


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