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

Christoph Hellwig
2017-05-25T07:56:41Z

On Wed, May 24, 2017 at 01:39:15PM -0700, Haiyang Zhang wrote:
> From: Haiyang Zhang <haiyangz@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.