On 13/05/2015 13:21, Edgar E. Iglesias wrote: > > It was not clear to me if CPUs should hook into the iommu notification > system or if we should make the iommu notification code signal changes > through AS change notifications. > > The latter would be easy to get right I guess but we wouldn't be > able to have any granularity in the flushing so performance could > be better if the CPU somehow knows what parts have changed.
I think it's CPUs that should hook and flush their TLBs. Paolo