Re: [PATCH rdma-next 0/3] Support out of order data placement

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On Mon, Jun 12, 2017 at 09:59:22PM +0000, Parav Pandit wrote:
> Hi Jason,
> 
> > From: Jason Gunthorpe [mailto:jgunthorpe@xxxxxxxxxxxxxxxxxxxx]
> > Sent: Monday, June 12, 2017 4:42 PM
> > To: Parav Pandit <parav@xxxxxxxxxxxx>
> > Cc: Tom Talpey <tom@xxxxxxxxxx>; Bart Van Assche
> > <Bart.VanAssche@xxxxxxxxxxx>; leon@xxxxxxxxxx; dledford@xxxxxxxxxx;
> > linux-rdma@xxxxxxxxxxxxxxx; Idan Burstein <idanb@xxxxxxxxxxxx>
> > Subject: Re: [PATCH rdma-next 0/3] Support out of order data placement
> > 
> > On Mon, Jun 12, 2017 at 09:32:30PM +0000, Parav Pandit wrote:
> > 
> > > There can be cases in deployment where responder has support for
> > > receiving out-of-order, but requester doesn't.  Read responses
> > 
> > You still haven't explained at all what the transmitter side does differently..
> 
> Let's say
> Read-1
> Read-2 are issued by requester.
> 
> For some reason read response for each read arrived via different
> path to requester, If ooo is enabled on a QP they will be processed
> correctly. Else read responses for 2nd read could be dropped.

This is still only discussing the reciever side of a QP.

> transmitter of read responder is different when ooo is enabled.

And I keep asking you to explain what is different about the
transmitter side.

Jason
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