Nathan Whitehorn 8a4cf006f4 Fix a bug where the pmap_cpu_bootstrap() ap argument could be clobbered.
Luckily, it mostly wasn't important, so this didn't cause major problems.
Also improve register reuse when setting up trap frames very slightly.

Submitted by:	Justin Hibbits <chmeeedalf at gmail dot com>
MFC after:	5 days
2011-11-09 13:48:23 +00:00
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