Re: [PATCH v2 00/19] iommufd: Add VIOMMU infrastructure (Part-1)

Jason Gunthorpe
2024-10-01T13:46:05Z

On Tue, Oct 01, 2024 at 03:06:57PM +1000, Alexey Kardashevskiy wrote:
> I've just read in this thread that "it should be generally restricted to the
> number of pIOMMUs, although likely (not 100% sure) we could do multiple
> vIOMMUs on a single-pIOMMU system. Any reason for doing that?"? thought "we
> have every reason to do that, unless p means something different", so I
> decided to ask :) Thanks,

I think that was inteded as "multiple vIOMMUs per pIOMMU within a
single VM".

There would always be multiple vIOMMUs per pIOMMU across VMs/etc.

Jason