[PATCH 4.9 072/116] KVM: PPC: Book3S HV: Save/restore XER in checkpointed register state

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Paul Mackerras commit 0d808df06a44200f52262b6eb72bcb6042f5a7c5 upstream. When switching from/to a guest that has a transaction in progress, we need to save/restore the

[PATCH 4.9 072/116] KVM: PPC: Book3S HV: Save/restore XER in checkpointed register state

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Paul Mackerras commit 0d808df06a44200f52262b6eb72bcb6042f5a7c5 upstream. When switching from/to a guest that has a transaction in progress, we need to save/restore the checkpointed register