On Wed, Oct 28, 2015 at 05:36:53PM +0900, Benjamin Herrenschmidt wrote:
> On Wed, 2015-10-28 at 16:40 +0900, Christian Borntraeger wrote:
> > We have discussed that at kernel summit. I will try to implement a dummy 
> > dma_ops for
> > s390 that does 1:1 mapping and Ben will look into doing some quirk to 
> > handle "old"
> > code in addition to also make it possible to mark devices as iommu bypass 
> > (IIRC,
> > via device tree, Ben?)
> Something like that yes. I'll look into it when I'm back home.
> Cheers,
> Ben.

OK so I guess that means we should prefer a transport-specific
interface in virtio-pci then.

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