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Similar to "support Xen migration stream V2 in save/restore", add support for indicating the migration stream version in the migration code. To accomplish this, add a minimal migration cookie in the libxl driver that is passed between source and destination hosts. Initially, the cookie is only used in the Begin and Prepare phases of migration to communicate the version of the migration stream produced by the source. Signed-off-by: Jim Fehlig <jfehlig@suse.com>
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>