[PATCH 0/8] PR KVM fixes and improvements

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This series fixes some problems in PR KVM and adds support for using
64kB pages, both on the guest side, and also on the host side if the
host kernel is configured with a 64kB page size.  Finally this makes
the HPT code SMP-safe using a mutex, which means that PR KVM can now
run SMP guests.

This also includes a patch that simplifies things by keeping volatile
register values in the kvm_vcpu struct most of the time instead of the
shadow_vcpu.  Doing this means a little more work on guest entry/exit,
but timing measurements of one million mfpvr instructions showed no
statistically significant slowdown.

The series is against Alex Graf's kvm-ppc-queue branch.

Paul.
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