Looks like there are some bugs that won't be fixed before 2.6.9 in the
scheduling domain code wrt HOTPLUG_CPU, so I'm disabling it in sn2_defconfig
(we don't support CPU hotplug just yet anyway).
Signed-off-by: Jesse Barnes <jbarnes@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>