[openib-general] Mellanox request CQ notification _really_ compliant?

[Michael S. Tsirkin]

>  > Will the Mellanox HCA generate multiple events for the same CQE?  I.e. if I post
>  > a send, get an event, and without polling, rearm the CQ, will another event be
>  > generated?  Or will a given CQE only generate a single event?
> 
> You'll only get a single event for a given CQE.  And this fits in with
> the compliance -- once you get an event, then any future events for
> the same CQE would definitely violate the spec, since the consumer
> would know events are being generated for existing completions.

Absolutely. And ULPs actually rely on this.

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MST