[RFC PATCH 0/10] Support POWER8 in HV KVM

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This series adds support for the POWER8 CPU in HV KVM.  POWER8 adds
several new guest-accessible instructions, special-purpose registers,
and other features such as doorbell interrupts and hardware
transactional memory.  It also adds new hypervisor-controlled features
such as relocation-on interrupts, and replaces the DABR/DABRX
registers with the new DAWR/DAWRX registers with expanded
capabilities.  The POWER8 CPU has compatibility modes for architecture
2.06 (POWER7/POWER7+) and 2.05 (POWER6).

This series does not yet handle the checkpointed register state of
the guest.

 arch/powerpc/include/asm/kvm_asm.h        |   2 +
 arch/powerpc/include/asm/kvm_book3s_asm.h |   1 +
 arch/powerpc/include/asm/kvm_host.h       |  29 +-
 arch/powerpc/include/asm/reg.h            |  25 +-
 arch/powerpc/include/uapi/asm/kvm.h       |   1 +
 arch/powerpc/kernel/asm-offsets.c         |  28 +-
 arch/powerpc/kvm/book3s_hv.c              | 234 +++++++++++--
 arch/powerpc/kvm/book3s_hv_interrupts.S   |   8 +-
 arch/powerpc/kvm/book3s_hv_rmhandlers.S   | 538 ++++++++++++++++++++++--------
 9 files changed, 694 insertions(+), 172 deletions(-)

Paul.
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