On Fri, May 18, 2018 at 10:05:51PM +0200, Helge Deller wrote: > This patch seems to fix the dma issues I faced on my 32bit B160L parisc box. > > So it leaves only one open issue on parisc: > Now every 32 bit parisc system is unnecessarily non-coherent. I diagree with those comments, let me resend the refactored patch to make it more clear.