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When a qemu domain is backed by huge pages, apparmor needs to grant the domain rw access to files under the hugetlbfs mount point. Add a hook, called in qemu_process.c, which ends up adding the read-write access through virt-aa-helper. Qemu will be creating a randomly named file under the mountpoint and unlinking it as soon as it has mmap()d it, therefore we cannot predict the full pathname, but for the same reason it is generally safe to provide access to $path/**. Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.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>