Re: [TECH TOPIC] vfio, iommufd: Enabling user space drivers to vend more granular access to client processes

[Jason Gunthorpe]

On Fri, Sep 19, 2025 at 07:00:04AM +0000, Tian, Kevin wrote:
> memory of other clients and the USD... there is no hw isolation 
> within a partitioned IOAS unless the device supports PASID then 
> each client can be associated to its own IOAS space.

If the device does support pasid then both of the suggestions make
a lot more security sense..

Jsaon