[PATCH] Don't access HID registers if running on a Hypervisor.

[Paul Mackerras]

Jimi Xenidis writes:

> The following patch avoids accessing Hypervisor privilege HID
> registers when running on a Hypervisor (MSR[HV]=0).

Why?  Aren't the writes defined to be no-ops when not in hypervisor
mode?

Paul.