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

Tom Talpey
2017-06-12T22:19:55Z

On 6/12/2017 5:32 PM, Parav Pandit wrote:
> Hi Tom,
...
>>
>> I agree with Jason, the bit should be 1 by default, if defined as you propose.
>> Out-of-order is the norm, not the exception, for ULPs.
>> Honestly, I think you should perhaps consider making it the default on your
>> devices, and allowing only MLX-aware ULPs to turn it off.
>>
>
> There can be cases in deployment where responder has support for receiving out-of-order, but requester doesn't.

Yuck! So this needs to be negotiated end-to-end, and by the upper
layer? Talk about barriers to adoption, and opportunities for
disaster.

Tom.