On Thu, Nov 12, 2020 at 10:40:30AM +0100, Christoph Hellwig wrote: > ping? > > On Fri, Nov 06, 2020 at 07:19:31PM +0100, Christoph Hellwig wrote: > > Hi Jason, > > > > this series switches the RDMA core to opencode the special case of > > devices bypassing the DMA mapping in the RDMA ULPs. The virt ops > > have caused a bit of trouble due to the P2P code node working with > > them due to the fact that we'd do two dma mapping iterations for a > > single I/O, but also are a bit of layering violation and lead to > > more code than necessary. > > > > Tested with nvme-rdma over rxe. > > > > Note that the rds changes are untested, as I could not find any > > simple rds test setup. > > > > Changes since v2: > > - simplify the INFINIBAND_VIRT_DMA dependencies > > - add a ib_uses_virt_dma helper > > - use ib_uses_virt_dma in nvmet-rdma to disable p2p for virt_dma devices > > - use ib_dma_max_seg_size in umem > > - stop using dmapool in rds > > > > Changes since v1: > > - disable software RDMA drivers for highmem configs > > - update the PCI commit logs Santosh can you please check the RDA parts?? Jason
