Hotplug patches for KVM

Zachary Amsden
2009-09-25T00:49:29Z

Simplified the patch series a bit and fixed some bugs noticed by Marcelo.
Axed the hot-remove notifier (was not needed), fixed a locking bug by
using cpufreq_quick_get, fixed another bug in kvm_cpu_hotplug that was
filtering out online notifications when KVM was loaded but not in use.