Hi Christoph, Wolfram, > From: Christoph Hellwig, Sent: Monday, June 3, 2019 10:12 PM > > On Mon, Jun 03, 2019 at 02:57:01PM +0200, Wolfram Sang wrote: > > Yes, dropping my rev on patch 3 is a good thing to do. I added Christoph > > to the CC list because he gave valuable input last time. > > Assuming iommu merging in a driver using the DMA API is always bogus > as mentioned last time. As this cover letter don't seem to include > any higher level DMA subsystem or block changes I'll stick to my NAK. Thank you very much for your reply again. I understood this patch series is NAK. I'll continue to investigate DMA or block subsystem to achieve this. (I'm not sure I can succeed or not though...) Best regards, Yoshihiro Shimoda
