> -----Original Message----- > From: Yuval Shaia <yuval.shaia@xxxxxxxxxx> > Sent: Monday, March 4, 2019 10:48 AM > To: Bart Van Assche <bvanassche@xxxxxxx> > Cc: Parav Pandit <parav@xxxxxxxxxxxx>; Ira Weiny <ira.weiny@xxxxxxxxx>; > Leon Romanovsky <leon@xxxxxxxxxx>; Dennis Dalessandro > <dennis.dalessandro@xxxxxxxxx>; linux-rdma@xxxxxxxxxxxxxxx > Subject: Re: [EXPERIMENTAL v1 0/4] RDMA loopback device > > On Mon, Mar 04, 2019 at 08:10:05AM -0800, Bart Van Assche wrote: > > On Mon, 2019-03-04 at 09:56 +0200, Yuval Shaia wrote: > > > Suggestion: To enhance 'loopback' performances, can you consider > > > using shared memory or any other IPC instead of going thought the > network stack? > > > > I'd like to avoid having to implement yet another initiator block > > driver. Using IPC implies writing a new block driver and also coming > > up with a new block-over- IPC protocol. Using RDMA has the advantage > > that the existing NVMeOF initator block driver and protocol can be used. > > > > Bart. > > No, no, i didn't mean to implement new driver, just that the xmit of the > packet would be by use of memcpy instead of going through TP stack. This > would make the data exchange extremely fast when the traffic is between > two entities on the same host. > Can you please review the other patches in this patchset and not just cover-letter? It does what you are describing without the network stack.
