On 2019-05-24 8:12 a.m., Christoph Hellwig wrote: > I think we've got two escalation levels here: > > (1) fix the NVMe/RDMA p2p breakage for 5.2-rc - for that we just need > the above fix in the p2p map_sg routine (and add an unmap_sg > routine there) Yes, fixing the p2p_map_sg routine or add the check if the iommu is present (as I did in the patch that started this discussion) until we can get the map stuff sorted out. Logan
