Re: [PATCH v2 06/19] drivers core: Add I/O ASID allocator

[Christoph Hellwig]

On Tue, Apr 23, 2019 at 04:31:06PM -0700, Jacob Pan wrote:
> The allocator doesn't really belong in drivers/iommu because some
> drivers would like to allocate PASIDs for devices that aren't managed by
> an IOMMU, using the same ID space as IOMMU. It doesn't really belong in
> drivers/pci either since platform device also support PASID. Add the
> allocator in drivers/base.

I'd still add it to drivers/iommu, just selectable separately from the
core iommu code..