Support Xen sysctl v8, domctl v7
Support Xen sysctl v8, domctl v7

xen-unstable c/s 21118:28e5409e3fb3 bumped sysctl version to 8.
xen-unstable c/s 21212:de94884a669c introduced CPU pools feature,
adding another member to xen_domctl_getdomaininfo struct.  Add a
corresponding domctl v7 struct in xen hypervisor sub-driver and
detect sysctl v8 during initialization.

wiedi/libvirt,rmarwaha/libvirt,novel/fbsd-libvirt,trainstack/libvirt,soulxu/libvirt-xuhj,leilihh/libvirt,taget/libvirt,jardasgit/libvirt,cbosdo/libvirt,rbu/libvirt,foomango/libvirt,rlaager/libvirt,libvirt/libvirt,datto/libvirt,leilihh/libvirt,novel/fbsd-libvirt,agx/libvirt,taget/libvirt,novel/fbsd-libvirt,VenkatDatta/libvirt,libvirt/libvirt,andreabolognani/libvirt,rmarwaha/libvirt,iam-TJ/libvirt,siboulet/libvirt-openvz,taget/libvirt,zhlcindy/libvirt-1.1.4-maintain,jeckersb/libvirt,crobinso/libvirt,bjzhang/libvirt,usc-isi/libvirt,shugaoye/libvirt,danwent/libvirt-ovs,siboulet/libvirt-openvz,andreabolognani/libvirt,VenkatDatta/libvirt,fabianfreyer/libvirt,rmarwaha/libvirt1,cbosdo/libvirt,zippy2/libvirt,novel/fbsd-libvirt,warewolf/libvirt,warewolf/libvirt,crobinso/libvirt,rbu/libvirt,novel/fbsd-libvirt,siboulet/libvirt-openvz,rmarwaha/libvirt1,rbu/libvirt,andreabolognani/libvirt,zippy2/libvirt,zhlcindy/libvirt-1.1.4-maintain,jardasgit/libvirt,emaste/libvirt,fabianfreyer/libvirt,rmarwaha/libvirt1,jardasgit/libvirt,trainstack/libvirt,warewolf/libvirt,rmarwaha/libvirt1,emaste/libvirt,usc-isi/libvirt,siboulet/libvirt-openvz,leilihh/libvirt,foomango/libvirt,nertpinx/libvirt,warewolf/libvirt,zippy2/libvirt,rmarwaha/libvirt,jfehlig/libvirt,shugaoye/libvirt,jfehlig/libvirt,rmarwaha/libvirt,iam-TJ/libvirt,jardasgit/libvirt,olafhering/libvirt,jeckersb/libvirt,leilihh/libvirt,zhlcindy/libvirt-1.1.4-maintain,crobinso/libvirt,novel/fbsd-libvirt,wiedi/libvirt,eskultety/libvirt,danwent/libvirt-ovs,rmarwaha/libvirt,iam-TJ/libvirt,warewolf/libvirt,rlaager/libvirt,trainstack/libvirt,eskultety/libvirt,rbu/libvirt,trainstack/libvirt,kantai/libvirt-vfork,emaste/libvirt,crobinso/libvirt,olafhering/libvirt,dumbbell/libvirt,shugaoye/libvirt,dumbbell/libvirt,elmarco/libvirt,jeckersb/libvirt,nertpinx/libvirt,libvirt/libvirt,soulxu/libvirt-xuhj,VenkatDatta/libvirt,trainstack/libvirt,nertpinx/libvirt,wiedi/libvirt,trainstack/libvirt,zhlcindy/libvirt-1.1.4-maintain,elmarco/libvirt,foomango/libvirt,kantai/libvirt-vfork,iam-TJ/libvirt,jfehlig/libvirt,iam-TJ/libvirt,datto/libvirt,rbu/libvirt,usc-isi/libvirt,agx/libvirt,leilihh/libvirt,zippy2/libvirt,eskultety/libvirt,zhlcindy/libvirt-1.1.4-maintain,eskultety/libvirt,nertpinx/libvirt,wiedi/libvirt,rlaager/libvirt,agx/libvirt,usc-isi/libvirt,trainstack/libvirt,jeckersb/libvirt,jeckersb/libvirt,fabianfreyer/libvirt,elmarco/libvirt,datto/libvirt,andreabolognani/libvirt,taget/libvirt,iam-TJ/libvirt,elmarco/libvirt,eskultety/libvirt,jfehlig/libvirt,foomango/libvirt,jeckersb/libvirt,emaste/libvirt,agx/libvirt,rmarwaha/libvirt1,usc-isi/libvirt,dumbbell/libvirt,siboulet/libvirt-openvz,wiedi/libvirt,novel/fbsd-libvirt,nertpinx/libvirt,emaste/libvirt,dumbbell/libvirt,olafhering/libvirt,emaste/libvirt,bjzhang/libvirt,novel/fbsd-libvirt,taget/libvirt,fabianfreyer/libvirt,emaste/libvirt,fabianfreyer/libvirt,dumbbell/libvirt,warewolf/libvirt,warewolf/libvirt,danwent/libvirt-ovs,novel/fbsd-libvirt,VenkatDatta/libvirt,foomango/libvirt,datto/libvirt,agx/libvirt,rmarwaha/libvirt,jardasgit/libvirt,kantai/libvirt-vfork,leilihh/libvirt,dumbbell/libvirt,bjzhang/libvirt,soulxu/libvirt-xuhj,kantai/libvirt-vfork,danwent/libvirt-ovs,libvirt/libvirt,rmarwaha/libvirt1,danwent/libvirt-ovs,rlaager/libvirt,jeckersb/libvirt,wiedi/libvirt,kantai/libvirt-vfork,rlaager/libvirt,cbosdo/libvirt,olafhering/libvirt,bjzhang/libvirt,bjzhang/libvirt,shugaoye/libvirt,soulxu/libvirt-xuhj,VenkatDatta/libvirt,soulxu/libvirt-xuhj,andreabolognani/libvirt,wiedi/libvirt,shugaoye/libvirt,elmarco/libvirt,iam-TJ/libvirt,cbosdo/libvirt,datto/libvirt,cbosdo/libvirt