[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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