The v4.8 based kernel has been uploaded to the Yakkety 16.10 archive.
I'm setting this to Fix Released.

** Information type changed from Proprietary to Public

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu)
       Status: New => Fix Released

** Changed in: intel
       Status: New => Fix Released

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  [Feature] Volume Management Device (VMD) Driver

Status in intel:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released

Bug description:
  The Volume Management Device (VMD) is a secondary PCI Express host bridge 
provided by the Intel CPU. Individual CPU-attached root ports, and all devices 
behind them, may be configured by BIOS to appear underneath VMD instead of 
underneath the primary root bus.
  VMD is represented by a root bus integrated endpoint, which serves as a proxy 
to the devices beneath it for access to configuration space, MMIO, DMA, and MSI.
  The VMD driver implements Linux's PCI host bridge interface. When probed, the 
driver dynamically creates a new PCI domain(segment). The PCI subsystem 
enumerates the VMD PCI domain and loads drivers for devices and ports it finds.
  A software validation team is testing the driver with VMD-enabled servers, 
PCIe switches, and NVMe PCIe SSDs. They will also be testing error handling and 
hotplug for SSDs behind VMD-owned root ports. (CNDA) (CNDA).

  HW: Purley

  Upstream statues:
  v4.5 kernel implement this with:
  185a383 x86/PCI: Add driver for Intel Volume Management Device (VMD)
  28ef241 PCI/AER: Use 32 bit PCI domain numbers
  d9c3d6f x86/PCI: Allow DMA ops specific to a PCI domain
  64bce3e irqdomain: Export irq_domain_set_info() for module use
  bf6f869 genirq/MSI: Relax msi_domain_alloc() to support parentless MSI 

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