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Tuning NUMA or network interface parameters requires root privileges to manage cgroups. Thus an attempt to set some of these parameters in session mode on a running domain should be invalid followed by an error. An example might be memory tuning which raises an error in such case. The following behavior in session mode will be present after applying this patch: Tuning | SET | GET | ----------|---------------|--------| NUMA | shut off only | always | Memory | never | never | Interface | never | always | Resolves https://bugzilla.redhat.com/show_bug.cgi?id=1126762
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>