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On ppc hosts, hypervisor shares following system attributes - /proc/device-tree/system-id - /proc/device-tree/model with a guest. This could lead to information leakage and misuse.[*] Add machine attributes to control such system information exposure to a guest. [*] https://wiki.openstack.org/wiki/OSSN/OSSN-0028 Reported-by: Daniel P. Berrangé <berrange@redhat.com> Fix-suggested-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> Message-Id: <20190218181349.23885-1-ppandit@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Greg Kurz <groug@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>