[PATCH 3.18 55/60] KVM: PPC: Book3S HV: Context-switch EBB registers properly

3.18-stable review patch. If anyone has any objections, please let me know. -- From: Paul Mackerras commit ca8efa1df1d15a1795a2da57f9f6aada6ed6b946 upstream. This adds code to save the values of three SPRs (special-purpose registers) used by userspace to

[PATCH 3.18 55/60] KVM: PPC: Book3S HV: Context-switch EBB registers properly

3.18-stable review patch. If anyone has any objections, please let me know. -- From: Paul Mackerras commit ca8efa1df1d15a1795a2da57f9f6aada6ed6b946 upstream. This adds code to save the values of three SPRs (special-purpose registers) used by userspace to control event-based