On Fri, Apr 10, 2015 at 04:31:01PM +1000, Alexey Kardashevskiy wrote:
> This is a part of moving TCE table allocation into an iommu_ops
> callback to support multiple IOMMU groups per one VFIO container.
> 
> This enforce window size to be a power of two.
> 
> This is a pretty mechanical patch.

???

> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>

But apart from that dubious comment in the commit message,

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson