Re: (proposal) RE: [PATCH v7 00/16] vfio: expose virtual Shared Virtual Addressing to VMs

Jason Gunthorpe
2020-11-03T12:57:06Z

On Tue, Nov 03, 2020 at 10:52:09AM +0100, joro@8bytes.org wrote:
> So having said this, what is the benefit of exposing those SVA internals
> to user-space?

Only the device use of the PASID is device specific, the actual PASID
and everything on the IOMMU side is generic.

There is enough API there it doesn't make sense to duplicate it into
every single SVA driver.

Jason