FYI, I've pulled this into the dma-mapping tree to make forward progress. All but oatch 4 had formal ACKs, and for that one Robin was fine even without and explicit ack. I'll also send a patch to better document the zone selection as it confuses even well versed people like Ben.
- dma mask related fixups (including full bus_dma_mas... Christoph Hellwig
- [PATCH 2/5] dma-direct: add an explicit dma_di... Christoph Hellwig
- [PATCH 3/5] dma-direct: refine dma_direct_allo... Christoph Hellwig
- [PATCH 4/5] dma-direct: implement complete bus... Christoph Hellwig
- [PATCH 5/5] dma-direct: always allow dma mask ... Christoph Hellwig
- Re: [PATCH 5/5] dma-direct: always allow d... Alexander Duyck
- [PATCH 1/5] dma-mapping: make the get_required... Christoph Hellwig
- Re: dma mask related fixups (including full bu... Christoph Hellwig
- Re: dma mask related fixups (including ful... Benjamin Herrenschmidt
