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From: "Steve Wise" <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: 'Chuck Lever' <chuck.lever-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: RE: [PATCH 1/3] IB: new common API for draining a queue pair
Date: Mon, 8 Feb 2016 09:23:05 -0600	[thread overview]
Message-ID: <00f301d16284$9b563ba0$d202b2e0$@opengridcomputing.com> (raw)
In-Reply-To: <53AAECEE-AC46-4E28-9FC0-DB1E567A2A50-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>

> >> OK. ib_cqe is what hooks the completion events for these
> >> blank WRs, so those completions are never exposed to the
> >> RDMA consumer.
> >>
> >
> > Right, which means only consumers that use the new style CQ processing can make use of this.
> >
> >> But does a consumer have to bump its SQE and RQE count
> >> when allocating its CQs, or is that done automatically
> >> by ib_alloc_cq() ?
> >>
> >
> > The consumer has to make sure there is room in the SQ, RQ and CQ.
> 
> The documenting comment in front of ib_drain_qp() should
> mention this, and it should also state the requirement to
> use ib_alloc_cq().
>

Will do.
 


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  parent reply	other threads:[~2016-02-08 15:23 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-05 21:55 [PATCH 0/3] new ib_drain_qp() API Steve Wise
     [not found] ` <cover.1454709317.git.swise-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org>
2016-01-14 18:24   ` [PATCH 2/3] iw_cxgb4: add drain_qp function Steve Wise
2016-01-27 20:09   ` [PATCH 3/3] IB/srp: use ib_drain_qp() Steve Wise
2016-02-05 21:13   ` [PATCH 1/3] IB: new common API for draining a queue pair Steve Wise
     [not found]     ` <2da1db58d642789e8df154e34d622a37295d1ba3.1454709317.git.swise-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org>
2016-02-05 21:49       ` Chuck Lever
     [not found]         ` <3AB519EB-3BFE-4A02-A825-F74EECD2CE19-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2016-02-05 21:53           ` Steve Wise
2016-02-05 22:00             ` Chuck Lever
     [not found]               ` <53AAECEE-AC46-4E28-9FC0-DB1E567A2A50-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2016-02-05 22:20                 ` Chuck Lever
2016-02-08 15:23                 ` Steve Wise [this message]
2016-02-06 16:10       ` Devesh Sharma
     [not found]         ` <CANjDDBjFY+u=8UXVCkKkK0LKSWiRcfZYnP9035m5owAYZnfn6w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-02-07 11:53           ` Sagi Grimberg
     [not found]             ` <56B73049.5040901-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2016-02-08 10:37               ` Devesh Sharma
     [not found]                 ` <CANjDDBiGVxmMn7H-__z48hS93mHoqejiZgsry0DmLwJKxZ=MqQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-02-08 15:53                   ` Steve Wise
2016-02-08 15:34               ` Steve Wise
2016-02-06 17:08       ` Leon Romanovsky
     [not found]         ` <20160206170838.GC8584-2ukJVAZIZ/Y@public.gmane.org>
2016-02-07 11:51           ` Sagi Grimberg
     [not found]             ` <56B72FD4.3060407-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2016-02-08 15:24               ` Steve Wise
  -- strict thread matches above, loose matches on Subject: below --
2016-02-08 22:14 [PATCH v2 0/3] new ib_drain_qp() API Steve Wise
     [not found] ` <cover.1454969695.git.swise-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org>
2016-02-05 21:13   ` [PATCH 1/3] IB: new common API for draining a queue pair Steve Wise

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