[PATCH v2 04/18] KVM: PPC: Book3S HV: Support POWER6 compatibility mode on POWER7

This enables us to use the Processor Compatibility Register (PCR) on POWER7 to put the processor into architecture 2.05 compatibility mode when running a guest. In this mode the new instructions and registers that were introduced on POWER7 are disabled in user mode. This includes all the VSX

[PATCH v2 04/18] KVM: PPC: Book3S HV: Support POWER6 compatibility mode on POWER7

This enables us to use the Processor Compatibility Register (PCR) on POWER7 to put the processor into architecture 2.05 compatibility mode when running a guest. In this mode the new instructions and registers that were introduced on POWER7 are disabled in user mode. This includes all the VSX