On Mon, Jun 29, 2015 at 04:36:18PM -0500, Steve Wise wrote: > +int rdma_device_access_flags(struct ib_pd *pd, int roles, int attrs) > +{ > + int access_flags = attrs;
No RDMA_MRR_SEND ? > + if (roles & RDMA_MRR_RECV) > + access_flags |= IB_ACCESS_LOCAL_WRITE; > + > + if (roles & RDMA_MRR_WRITE_DEST) > + access_flags |= IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE; Is IB_ACCESS_LOCAL_WRITE needed? > + if (roles & RDMA_MRR_READ_DEST) { > + access_flags |= IB_ACCESS_LOCAL_WRITE; > + if (rdma_protocol_iwarp(pd->device, > + rdma_start_port(pd->device))) > + access_flags |= IB_ACCESS_REMOTE_WRITE; > + } So on iWarp if I want to issue a RDMA_READ then I have to allow the far side uncontrolled write access to the same memory? Is there something else protecting it? Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html