[openib-general] IPOIB NAPI

[Michael S. Tsirkin]

> Quoting Roland Dreier <rdreier at cisco.com>:
> Subject: Re: IPOIB NAPI
> 
>  > By the way, how about extending the userspace API in a similiar
>  > fashion?
>  > 
>  > missed_events = ibv_req_notify_cq(priv->cq, IBV_CQ_NEXT_COMP |
>  > 				  IBV_CQ_REPORT_MISSED_EVENTS)
> 
> It would require a kernel-user ABI bump. Is it worth it?

I hear some people asking for it: I imagine reasons are same as NAPI -
race-free, clean API to switch from polling to event mode -
rather than a minor optimization.

-- 
MST