Re: [PATCH] MIPS: remove mips_swiotlb_ops

2018-07-28 Thread Paul Burton
Hi Christoph, On Fri, Jul 27, 2018 at 07:26:06PM +0200, Christoph Hellwig wrote: > mips_swiotlb_ops differs from the generic swiotlb_dma_ops only in that > it contains a mb() barrier after each operations that maps or syncs > dma memory to the device. > > The dma operations are defined to not be

Re: [RFC PATCH v1 0/6] Resolve unwanted DMA backing with IOMMU

2018-07-28 Thread Dmitry Osipenko
On Friday, 27 July 2018 20:16:53 MSK Dmitry Osipenko wrote: > On Friday, 27 July 2018 20:03:26 MSK Jordan Crouse wrote: > > On Fri, Jul 27, 2018 at 05:02:37PM +0100, Robin Murphy wrote: > > > On 27/07/18 15:10, Dmitry Osipenko wrote: > > > >On Friday, 27 July 2018 12:03:28 MSK Will Deacon wrote: >