[openib-general] Re: CMA stuff

[Michael S. Tsirkin]

Quoting r. Caitlin Bestler <caitlinb at broadcom.com>:
> The consumer can post receive buffers as soon as the QP
> is created. Send buffers cannot be posted until the
> consumer has been notified that the connection is established.

I'm talking about cma_modify_qp_rtr here.
On the receive side, I might need the data from REP to post receives.

> Applications that attempt to tune parameters based upon
> presumptions of how drivers work, rather than in terms
> of their requirements/expectations of the driver, are
> always fragile.

Yes but if an app works for TCP people expect it to work for e.g. sockets
direct.

-- 
Michael S. Tsirkin
Staff Engineer, Mellanox Technologies