[vfio-users] Infiniband card shares iommu group with pci bridge

[Alex Williamson]

On Tue, Jul 11, 2017 at 9:53 AM, Maksym Planeta <
mplaneta at os.inf.tu-dresden.de> wrote:

> Could you tell me if it is possible at all to break this group? If yes how
> can i do this.
>

Move the card to a slot hosted by a PCH root port, otherwise no, ACS is not
supported on your processor root ports.

http://vfio.blogspot.com/2014/08/iommu-groups-inside-and-out.html
http://vfio.blogspot.com/2015/10/intel-processors-with-acs-support.html
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