Re: [RFC] /dev/ioasid uAPI proposal

Jason Gunthorpe
2021-06-01T17:33:31Z

On Tue, Jun 01, 2021 at 08:30:35PM +0800, Lu Baolu wrote:

> The drivers register per page table fault handlers to /dev/ioasid which
> will then register itself to iommu core to listen and route the per-
> device I/O page faults.

I'm still confused why drivers need fault handlers at all?

Jason