Re: [PATCH v6 05/20] vfio: mdev: common lib code for setting up Interrupt Message Store

Jason Gunthorpe
2021-05-31T16:59:31Z

On Mon, May 31, 2021 at 03:48:35PM +0200, Thomas Gleixner wrote:

> What's unclear to me is under which circumstances does the IMS interrupt
> require a PASID.
>
> 1) Always
> 2) Use case dependent

It is just a weird IDXD thing. The PASID is serving as some VM
identifier in that HW, somehow, AFAIK.

Jason