We're providing (unofficial) patches RSBAC+Xen and RSBAC+Vserver (soon to come). Since it's a lot of additional work patches are released for stable versions of all this projects (with some reasonable exceptions). For reporting any problems with them, asking for support and similar you can use our mailing list but please CC me (because it's me directly responsible for this patches - michal@rsbac.org) and add [RSBAC+Xen] or [RSBAC+Vserver] to the post topic, or just use the irc (nick michal`).
RSBAC - 1.2.7 Xen - 3.0.2
It's the patch only - so you have to grab and unpack rsbac-common archive into kernel source tree before compilation!
Soon to come…
Is there any need for one? If there is email me, i'll post them here.