Re: [PATCH v4 01/17] iommu: Add hwpt_type with user_data for domain_alloc_user op

[Jason Gunthorpe]

On Fri, Oct 13, 2023 at 12:33:13PM +0800, Yi Liu wrote:

> not really. Below the users of the struct iommu_user_data in my current
> iommufd_nesting branch. Only the domain_alloc_user op has type as there
> can be multiple vendor specific alloc data types. Basically, I'm ok to
> make the change you suggested, just not sure if it is good to add type
> as it is only needed by one path.

I don't think we should ever have an opaque data blob without a type
tag..

Jason