在 2019/7/23 11:13, Bart Van Assche 写道: > On 7/22/19 6:30 PM, oulijun wrote: >> 在 2019/7/23 2:07, Bart Van Assche 写道: >>> On 7/19/19 11:54 PM, oulijun wrote: >>>> I am targeting a problem about RoCE and SCSI over RDMA from srpt in kernel-4.14. When insmod srpt.ko and insmod hns-roce-hw-v2.ko, it will >>>> report a warning in srpt_add_one: >>>> ib_srpt srpt_add_one(hns_0) failed. >>> >>> How about the following patch? >>> >>> diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c >>> index 1a039f16d315..e2a4a14763b8 100644 >>> --- a/drivers/infiniband/ulp/srpt/ib_srpt.c >>> +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c >>> @@ -3109,7 +3109,8 @@ static void srpt_add_one(struct ib_device *device) >>> srpt_use_srq(sdev, sdev->port[0].port_attrib.use_srq); >>> >>> if (!srpt_service_guid) >>> - srpt_service_guid = be64_to_cpu(device->node_guid); >>> + srpt_service_guid = be64_to_cpu(device->node_guid) & >>> + ~IB_SERVICE_ID_AGN_MASK; >>> >>> if (rdma_port_get_link_layer(device, 1) == IB_LINK_LAYER_INFINIBAND) >>> sdev->cm_id = ib_create_cm_id(device, srpt_cm_handler, sdev); >>> >> No, I did not find this patch in the latest kernel-5.3 or others. > > What I meant is: can you try that patch? > > Thanks, > > Bart. > > . > Yes, I will do.