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

[Tian, Kevin]

> From: Baolu Lu <baolu.lu@xxxxxxxxxxxxxxx>
> Sent: Wednesday, August 9, 2023 6:41 PM
> 
> 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.
> 

My understanding of Jason's comment was to make the workqueue the
default path instead of being opted by the consumer.. that is my 1st
impression but might be wrong...