viro-AT-zeniv.linux.org.uk, ebiederm-AT-xmission.com, rostedt-AT-goodmis.org, mingo-AT-redhat.com, hagen-AT-jauu.net, rppt-AT-kernel.org, James.Bottomley-AT-HansenPartnership.com, akpm-AT-linux-foundation.org, vvs-AT-virtuozzo.com, shakeelb-AT-google.com, christian.brauner-AT-ubuntu.com, mkoutny-AT-suse.com, "Yordan Karadzhov (VMware)" <y.karadz-AT-gmail.com> We introduce a simple read-only virtua