powerpc fixes for 4.6 #3

 - cxl: Keep IRQ mappings on context teardown from Michael Neuling
 - cxl: Poll for outstanding IRQs when detaching a context from Michael Neuling
 - Wire up preadv2 and pwritev2 syscalls from Rui Salvaterra

Linux 4.6-rc5

powerpc fixes for 4.6 #2

 - scan_features() updates incorrect bits for REAL_LE from Anton Blanchard
 - Update cpu_user_features2 in scan_features() from Anton Blanchard
 - Update TM user feature bits in scan_features() from Anton Blanchard

Linux 4.6-rc4

Linux 4.6-rc3

Linux 4.6-rc2

powerpc fixes for 4.6

 - Fixup preempt underflow with huge pages from Sebastian Siewior
 - Fix altivec SPR not being saved from Oliver O'Halloran
 - Correct used_vsr comment from Simon Guo

Linux 4.6-rc1

powerpc updates for 4.6

Highlights:
 - Restructure Linux PTE on Book3S/64 to Radix format from Paul Mackerras
 - Book3s 64 MMU cleanup in preparation for Radix MMU from Aneesh Kumar K.V
 - Add POWER9 cputable entry from Michael Neuling
 - FPU/Altivec/VSX save/restore optimisations from Cyril Bur
 - Add support for new ftrace ABI on ppc64le from Torsten Duwe

Various cleanups & minor fixes from:
 - Adam Buchbinder, Andrew Donnellan, Balbir Singh, Christophe Leroy, Cyril
   Bur, Luis Henriques, Madhavan Srinivasan, Pan Xinhui, Russell Currey,
   Sukadev Bhattiprolu, Suraj Jitindar Singh.

General:
 - atomics: Allow architectures to define their own __atomic_op_* helpers from
   Boqun Feng
 - Implement atomic{, 64}_*_return_* variants and acquire/release/relaxed
   variants for (cmp)xchg from Boqun Feng
 - Add powernv_defconfig from Jeremy Kerr
 - Fix BUG_ON() reporting in real mode from Balbir Singh
 - Add xmon command to dump OPAL msglog from Andrew Donnellan
 - Add xmon command to dump process/task similar to ps(1) from Douglas Miller
 - Clean up memory hotplug failure paths from David Gibson

pci/eeh:
 - Redesign SR-IOV on PowerNV to give absolute isolation between VFs from Wei
   Yang.
 - EEH Support for SRIOV VFs from Wei Yang and Gavin Shan.
 - PCI/IOV: Rename and export virtfn_{add, remove} from Wei Yang
 - PCI: Add pcibios_bus_add_device() weak function from Wei Yang
 - MAINTAINERS: Update EEH details and maintainership from Russell Currey

cxl:
 - Support added to the CXL driver for running on both bare-metal and
   hypervisor systems, from Christophe Lombard and Frederic Barrat.
 - Ignore probes for virtual afu pci devices from Vaibhav Jain

perf:
 - Export Power8 generic and cache events to sysfs from Sukadev Bhattiprolu
 - hv-24x7: Fix usage with chip events, display change in counter values,
   display domain indices in sysfs, eliminate domain suffix in event names,
   from Sukadev Bhattiprolu

Freescale:
 - Updates from Scott: "Highlights include 8xx optimizations, 32-bit checksum
   optimizations, 86xx consolidation, e5500/e6500 cpu hotplug, more fman and
   other dt bits, and minor fixes/cleanup."

Linux 4.5