On Fri, Jul 26, 2019 at 09:56:51AM +0800, Lu Baolu wrote: > I think current code doesn't do the right thing. The user asks the iommu > driver to use identity domain for a device, but the driver force it back > to DMA domain because of the device address capability. > >> expensive. I don't think that this change is a good idea, and even if >> we decide that this is a good idea after all that should be done in a >> separate prep patch that explains the rationale. > > Yes. Make sense.
Now that the bounce code has landed it might be good time to revisit this patch in isolation and with a better explanation. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu