[RFC PATCH 1/2] drivers: dma-coherent: Introduce interface for default DMA pool

2017-07-17 Thread Vladimir Murzin
Christoph noticed [1] that default DMA pool in current form overload the DMA coherent infrastructure. In reply, Robin suggested to split the per-device vs. global pool interfaces, so allocation/release from default DMA pool is driven by dma ops implementation. This patch implements Robin's idea an

Re: [RFC PATCH 1/2] drivers: dma-coherent: Introduce interface for default DMA pool

2017-07-19 Thread Christoph Hellwig
On Mon, Jul 17, 2017 at 09:58:04AM +0100, Vladimir Murzin wrote: > Christoph noticed [1] that default DMA pool in current form overload > the DMA coherent infrastructure. In reply, Robin suggested to split > the per-device vs. global pool interfaces, so allocation/release from > default DMA pool is