Re: [PATCH v4 09/12] iommu/vt-d: Add iotlb flush for nested domain

[Nicolin Chen]

On Thu, Aug 10, 2023 at 03:28:10AM +0000, Liu, Yi L wrote:

> > @Yi,
> > This seems to be a bigger rework than the top level struct. Along
> > with Jason's request for fail_nth below, we'd need to bisect the
> > workload between us, or can just continue each other's daily work.
> > Let me know which one you prefer.
> > https://lore.kernel.org/linux-iommu/ZNPCtPTcHvITt6fk@xxxxxxxxxx/
> 
> Let me address the fail_nth request first. You may rework the
> iommufd_get_user_data(). If I can finish the fail_nth soon,
> then may help to lift the array to the top level. If not, you
> may make it as well. 😊 I guess I need some study on nth
> as well.

Ack. Am working on the iommufd_get_user_data() already. Will
continue the ring buffer thing.

Nic