- Densely number CPUs to avoid systems with CPUs with very high ID numbers
- Always have the BSP be CPU 0 to avoid remnant brokenness with non-0 BSPs
in other parts of the kernel.
- Improve parsing of the device tree CPU listings on SMT systems.
- Allow reboot via RTAS as well as OF for pSeries systems booted by FDT
without functioning Open Firmware.
Obtained from: projects/powernv
MFC after: 3 weeks