Re: [PATCH v2 08/12] iommu: Prepare for separating SVA and IOPF

[Baolu Lu]

On 2023/8/9 8:02, Tian, Kevin wrote:
> > From: Jason Gunthorpe <jgg@xxxxxxxx>
> > Sent: Wednesday, August 9, 2023 2:43 AM
> >
> > On Thu, Aug 03, 2023 at 08:16:47AM +0000, Tian, Kevin wrote:
> >
> > > Is there plan to introduce further error in the future? otherwise this should
> > > be void.
> > >
> > > btw the work queue is only for sva. If there is no other caller this can be
> > > just kept in iommu-sva.c. No need to create a helper.
> >
> > I think more than just SVA will need a work queue context to process
> > their faults.
>
> then this series needs more work. Currently the abstraction doesn't
> include workqueue in the common fault reporting layer.

Do you mind elaborate a bit here? workqueue is a basic infrastructure in
the fault handling framework, but it lets the consumers choose to use
it, or not to.

Best regards,
baolu