On Wed, Jul 23, 2014 at 10:49:55AM -0700, Olav Haugan wrote:
> Joerg, can you comment on what you envisioned when you suggested that we
> add the fallback?
>
The problem is that we already have tons of IOMMU drivers in the tree
which don't provide these call-backs. So adding this API extension
without a fall-back that works for these drivers too would fragment the
functionality between different IOMMU drivers in an inacceptable way and
undermine the purpose of a generic API.
Joerg
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