Re: [PATCH RFC 0/5] xprtrdma Send completion batching

Tom Talpey
2017-09-06T01:28:52Z

On 9/5/2017 5:22 PM, Chuck Lever wrote:
> I think it does bear mentioning that, given this diagnosis, it is
> still safe to remove the ib_post_send counting mechanism in 5/5,
> which has been in xprtrdma for as long as I can recall, and has

2007. :-)

> been effective (with a few minor adjustments) at preventing SQ
> overflow.
>
> I'm not able to test this change with every HCA the Linux kernel
> currently supports, unfortunately. The best I can do is offer a
> "proof of correctness" and hope that vendors will jump on this
> and try it out.

Someday, a proper set of verbs test cases? Alas.

Tom.