On Wed, Apr 13, 2016 at 03:29:17PM +0200, Niklas S?derlund wrote: > > Yes, it would be good to do an audit of all the ARM dma_ops as well > > as generic code like drivers/base/dma-*.c, lib/dma-debug.c and > > include/linux/dma-*.h What about things like the phys_addr() helper in lib/dma-debug.c? That was in fact what prompted my question for an audit, and it seems to not even feature on your list. What patterns / symbols did you look for?