- PPC/KVM - fix use-after-free in kvmhv_emulate_tlbie_all_lpid()
 - PPC/KVM - fix secure device page leak on uv_page_in() failure
 - powerpc/iommu: Fix the overflow validation in iommu_tce_check_ioba

Thanks to: Amit Machhiwal, Gautam Menghani, Ritesh Harjani (IBM), R Nageswara
Sastry, Shivaprasad G Bhat