Re: [RFC PATCH v4 0/8] Introduce automatic DMA configuration for IOMMU masters

[Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>]

On Fri, Nov 28, 2014 at 01:03:36PM +0000, jroedel-l3A5Bk7waGM@public.gmane.org wrote:
> On Wed, Nov 26, 2014 at 05:47:07PM +0000, Will Deacon wrote:
> > Joerg, would you expect this to go via your tree or via something broader
> > like arm-soc, with your Ack on the IOMMU bits (patches 1, 3 and 4) instead?
> 
> Hmm, I don't like the idea of storing private data in iommu_ops. But
> given that this is already an improvement we can build on later, here is
> my
> 
> 	Acked-by: Joerg Roedel <jroedel-l3A5Bk7waGM@public.gmane.org>

Thanks, Joerg! I'll repost this series shortly with the relevant acks.

> To further improve this we should probably introduce a seperate
> iommu-descriptor data-structure later which then describes a single
> hardware iommu device.

Yes, I agree. I'd like to put the pgsize_bitmap in there too, as the page
table series I posted yesterday has to play games to keep the mask
restricted based on the tables in use by any given domain.

Will