On Tue, May 08, 2018 at 11:05:20AM +0100, Robin Murphy wrote: > On 24/04/18 15:02, Christoph Hellwig wrote: >> Only used by the AMD GART driver, which must be built in. > > FWIW debug_dma_dump_mappings() is also called by the Intel VT-d driver, but > the same reasoning still applies. I'll update the changelog. > This does rather beg the question of > whether it's right to have bits of low-level dma-debug internals *only* > called by a couple of IOMMU drivers, but that can wait for another day. My gut feeling is that it is wrong, but I didn't have time to look into the details and history of how this happened.
