[PATCH 0/3] powerpc: Bug fixes for 2.6.16

[Michael Ellerman]

This is a series of three bug fixes which I think should go in for 2.6.16.

The first makes UP kernels work again, we were unconditionally starting
secondary cpus. Paulus, you said you didn't like this much, but I think it's
the best option for 2.6.16, I have a patch that cleans this stuff up in the
works but it'll take a bit longer.

The second patch makes UP to SMP kexec work again, this was supposed to work in
the past but was never tested and got busted somewhere along the line.

The third fixes a long standing bug on pSeries machines, where if secondary
threads have different logical/physical ids we fail to spin them up correctly.
We don't normally hit this because the logical/physical ids are the same.

Built for pSeries, iSeries and pmac32. Booted on P5 LPAR, Power3 and iSeries.