[PATCH] pci-hyperv: Use only 16 bit integer for PCI domain

[Christoph Hellwig]

On Wed, May 24, 2017 at 01:39:15PM -0700, Haiyang Zhang wrote:
> From: Haiyang Zhang <haiyangz at microsoft.com>
> 
> This patch uses the lower 16 bits of the serial number as PCI
> domain, otherwise some drivers may not be able to handle it.
> 
> Besides Nvidia drivers, we also found X.org, and DPDK handle
> only 16 bit PCI domain.

And they will all break behind VMD for example, so NAK.  Linux domains
are 32 bits.