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80af11d3dd
Now that NVDIMM has found its way into libvirt, users might want to fine tune some settings for each module separately. One such setting is 'share=on|off' for the memory-backend-file object. This setting - just like its name suggest already - enables sharing the nvdimm module with other applications. Under the hood it controls whether qemu mmaps() the file as MAP_PRIVATE or MAP_SHARED. Yet again, we have such config knob in domain XML, but it's just an attribute to numa <cell/>. This does not give fine enough tuning on per-memdevice basis so we need to have the attribute for each device too. Signed-off-by: Michal Privoznik <mprivozn@redhat.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>