On Tue, Jul 03, 2018 at 02:17:58PM -0400, Dennis Dalessandro wrote: > On 7/3/2018 1:32 PM, Jason Gunthorpe wrote: > >On Mon, Jul 02, 2018 at 08:21:34AM -0700, Dennis Dalessandro wrote: > >>Hi Doug and Jason, > >> > >>Here is the TID RDMA series I had mentioned back at OFA. This represents a lot > >>of hardwork by a number of people. I asked Kaike to provide a cover letter with > >>some background on what TID RDMA is, I'll paste it here. We'd like this to go > >>for 4.19 but it is a lot of code to review so won't be surprised if it has to > >>push off another cycle. > >> > >>Omni-Path TID RDMA Feature > >> > >>Intel Omni-Path (OPA) TID RDMA support is a feature that accelerates data > >>movement between two OPA nodes through the IB Verbs interface. It improves > >>RDMA READ/WRITE performance by delivering the data payload to a user > >>buffer directly without any software copying. > > > >If this is verbs based then the rdma-core patches being posted are a > >pre-requisite for reviewing this. > > > >Depending on what is in there I may tell you, again, to fix this > >drivers uapi before making any changes to the uapi. > > It is for verbs, but it is contained within our driver. There are no > rdma-core patches required, no uapi changes. User doesn't have to know about > this at all. Okay.. I looked over this thing and I don't know what to say. It badly violates all accepted limits for patch size and patch series length. I don't see what you think anyone else is going to do with this. On the plus side, it seems all contained in the driver and I didn't notice anything egregiously wrong inside it - but I have no intention to check any of the details in something this big.. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html