From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Adit Ranadive <aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
Cc: Yuval Shaia <yuval.shaia-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
"dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org"
<dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
pv-drivers <pv-drivers-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>,
"Jorgen S. Hansen"
<jhansen-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>,
Aditya Sarwade <asarwade-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>,
George Zhang
<georgezhang-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>,
Bryan Tan <bryantan-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH v3 08/15] IB/pvrdma: Add support for Completion Queues
Date: Thu, 8 Sep 2016 12:46:08 -0600 [thread overview]
Message-ID: <20160908184608.GG21614@obsidianresearch.com> (raw)
In-Reply-To: <BLUPR0501MB836A35B3F4B839B1E2055A8C5FB0-84Rf5TRaNBMVDhIuTCx1aJLWcSx1hRipwIZJ9u9yWa8oOQlpcoRfSA@public.gmane.org>
On Thu, Sep 08, 2016 at 06:26:35PM +0000, Adit Ranadive wrote:
> Ok, sounds reasonable. I understand Jason's concerns. Thanks for pointing me those
> links! I can return -EAGAIN here and add a dev warning to make sure we atleast log this
> condition.
EAGAIN doesn't sound right, you need to recover the CQ to a point
where it works properly or lock it into empty (ie return 0) and
trigger a whole device restart, or something else similar.
Jason
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next prev parent reply other threads:[~2016-09-08 18:46 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-03 23:27 [PATCH v3 00/15] Add Paravirtual RDMA Driver Adit Ranadive
[not found] ` <1470266864-16888-1-git-send-email-aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2016-08-03 23:27 ` [PATCH v3 01/15] IB/pvrdma: Add user-level shared functions Adit Ranadive
[not found] ` <1470266864-16888-2-git-send-email-aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2016-08-21 11:24 ` Yuval Shaia
[not found] ` <20160821112436.GA22012-Hxa29pjIrETlQW142y8m19+IiqhCXseY@public.gmane.org>
2016-09-06 18:58 ` Adit Ranadive
2016-08-03 23:27 ` [PATCH v3 02/15] IB/pvrdma: Add virtual device RDMA structures Adit Ranadive
[not found] ` <1470266864-16888-3-git-send-email-aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2016-08-21 11:54 ` Yuval Shaia
[not found] ` <20160821115441.GB22012-Hxa29pjIrETlQW142y8m19+IiqhCXseY@public.gmane.org>
2016-08-23 17:46 ` Adit Ranadive
[not found] ` <BLUPR0501MB836ACEAF51DF69E5623EBF5C5EB0-84Rf5TRaNBMVDhIuTCx1aJLWcSx1hRipwIZJ9u9yWa8oOQlpcoRfSA@public.gmane.org>
2016-08-25 6:03 ` Yuval Shaia
2016-09-06 19:03 ` Adit Ranadive
2016-08-03 23:27 ` [PATCH v3 03/15] IB/pvrdma: Add the paravirtual RDMA device specification Adit Ranadive
[not found] ` <1470266864-16888-4-git-send-email-aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2016-08-10 16:51 ` Leon Romanovsky
2016-08-03 23:27 ` [PATCH v3 04/15] IB/pvrdma: Add functions for Verbs support Adit Ranadive
[not found] ` <1470266864-16888-5-git-send-email-aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2016-08-23 15:13 ` Yuval Shaia
2016-08-23 18:43 ` Leon Romanovsky
[not found] ` <20160823184322.GM15065-2ukJVAZIZ/Y@public.gmane.org>
2016-08-23 18:52 ` Adit Ranadive
[not found] ` <BLUPR0501MB836B1C542C1296616A05080C5EB0-84Rf5TRaNBMVDhIuTCx1aJLWcSx1hRipwIZJ9u9yWa8oOQlpcoRfSA@public.gmane.org>
2016-08-23 20:56 ` Leon Romanovsky
2016-08-23 19:07 ` Doug Ledford
2016-08-25 7:30 ` Yuval Shaia
2016-09-07 17:00 ` Adit Ranadive
[not found] ` <BLUPR0501MB836F2A8282244C2821DC346C5F80-84Rf5TRaNBMVDhIuTCx1aJLWcSx1hRipwIZJ9u9yWa8oOQlpcoRfSA@public.gmane.org>
2016-09-08 8:38 ` Yuval Shaia
[not found] ` <20160908083800.GA7760-Hxa29pjIrESt9MVyvc/JHg@public.gmane.org>
2016-09-08 18:34 ` Adit Ranadive
2016-08-03 23:27 ` [PATCH v3 05/15] IB/pvrdma: Add paravirtual rdma device Adit Ranadive
[not found] ` <1470266864-16888-6-git-send-email-aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2016-08-25 9:59 ` Yuval Shaia
[not found] ` <20160825095920.GB14419-Hxa29pjIrETlQW142y8m19+IiqhCXseY@public.gmane.org>
2016-08-28 13:06 ` Leon Romanovsky
[not found] ` <20160828130657.GM594-2ukJVAZIZ/Y@public.gmane.org>
2016-08-28 13:41 ` Yuval Shaia
2016-08-28 13:50 ` Leon Romanovsky
[not found] ` <20160828135048.GO594-2ukJVAZIZ/Y@public.gmane.org>
2016-08-28 15:50 ` Adit Ranadive
2016-08-29 13:59 ` Yuval Shaia
2016-08-03 23:27 ` [PATCH v3 06/15] IB/pvrdma: Add helper functions Adit Ranadive
[not found] ` <1470266864-16888-7-git-send-email-aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2016-08-25 6:16 ` Yuval Shaia
2016-08-25 6:29 ` Yuval Shaia
2016-08-29 12:08 ` Yuval Shaia
2016-09-07 19:26 ` Adit Ranadive
2016-08-03 23:27 ` [PATCH v3 07/15] IB/pvrdma: Add device command support Adit Ranadive
[not found] ` <1470266864-16888-8-git-send-email-aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2016-08-04 4:30 ` Leon Romanovsky
2016-08-25 10:08 ` Yuval Shaia
2016-08-03 23:27 ` [PATCH v3 08/15] IB/pvrdma: Add support for Completion Queues Adit Ranadive
[not found] ` <1470266864-16888-9-git-send-email-aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2016-08-25 12:41 ` Yuval Shaia
[not found] ` <20160825124120.GB27446-Hxa29pjIrETlQW142y8m19+IiqhCXseY@public.gmane.org>
2016-09-07 17:25 ` Adit Ranadive
[not found] ` <BLUPR0501MB83629470B22B65E27B4332AC5F80-84Rf5TRaNBMVDhIuTCx1aJLWcSx1hRipwIZJ9u9yWa8oOQlpcoRfSA@public.gmane.org>
2016-09-08 8:18 ` Yuval Shaia
[not found] ` <20160908081802.GA3300-Hxa29pjIrESt9MVyvc/JHg@public.gmane.org>
2016-09-08 18:26 ` Adit Ranadive
[not found] ` <BLUPR0501MB836A35B3F4B839B1E2055A8C5FB0-84Rf5TRaNBMVDhIuTCx1aJLWcSx1hRipwIZJ9u9yWa8oOQlpcoRfSA@public.gmane.org>
2016-09-08 18:46 ` Jason Gunthorpe [this message]
[not found] ` <20160908184608.GG21614-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-09-08 18:56 ` Adit Ranadive
2016-08-03 23:27 ` [PATCH v3 09/15] IB/pvrdma: Add UAR support Adit Ranadive
[not found] ` <1470266864-16888-10-git-send-email-aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2016-08-10 3:54 ` Leon Romanovsky
2016-08-25 13:13 ` Yuval Shaia
2016-08-03 23:27 ` [PATCH v3 10/15] IB/pvrdma: Add support for memory regions Adit Ranadive
[not found] ` <1470266864-16888-11-git-send-email-aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2016-08-25 14:15 ` Yuval Shaia
[not found] ` <20160825141505.GD27446-Hxa29pjIrETlQW142y8m19+IiqhCXseY@public.gmane.org>
2016-09-07 19:06 ` Adit Ranadive
2016-08-03 23:27 ` [PATCH v3 11/15] IB/pvrdma: Add Queue Pair support Adit Ranadive
[not found] ` <1470266864-16888-12-git-send-email-aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2016-08-10 4:16 ` Leon Romanovsky
2016-08-29 14:44 ` Yuval Shaia
2016-09-07 19:33 ` Adit Ranadive
2016-08-03 23:27 ` [PATCH v3 12/15] IB/pvrdma: Add the main driver module for PVRDMA Adit Ranadive
[not found] ` <1470266864-16888-13-git-send-email-aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2016-08-04 6:53 ` Leon Romanovsky
[not found] ` <20160804065352.GJ27667-2ukJVAZIZ/Y@public.gmane.org>
2016-08-04 19:18 ` Adit Ranadive
2016-09-01 13:20 ` Yuval Shaia
[not found] ` <20160901132024.GA26356-Hxa29pjIrESt9MVyvc/JHg@public.gmane.org>
2016-09-07 19:41 ` Adit Ranadive
[not found] ` <BLUPR0501MB836EF38D944CD38F8897C07C5F80-84Rf5TRaNBMVDhIuTCx1aJLWcSx1hRipwIZJ9u9yWa8oOQlpcoRfSA@public.gmane.org>
2016-09-08 15:25 ` Yuval Shaia
[not found] ` <20160908152541.GA3352-Hxa29pjIrESt9MVyvc/JHg@public.gmane.org>
2016-09-08 18:40 ` Adit Ranadive
2016-09-01 16:54 ` Yuval Shaia
[not found] ` <20160901165404.GA3429-Hxa29pjIrESt9MVyvc/JHg@public.gmane.org>
2016-09-07 20:19 ` Adit Ranadive
2016-08-03 23:27 ` [PATCH v3 13/15] IB/pvrdma: Add Kconfig and Makefile Adit Ranadive
2016-08-03 23:27 ` [PATCH v3 14/15] IB: Add PVRDMA driver Adit Ranadive
[not found] ` <1470266864-16888-15-git-send-email-aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2016-08-04 2:30 ` kbuild test robot
2016-08-06 5:34 ` kbuild test robot
2016-08-03 23:27 ` [PATCH v3 15/15] MAINTAINERS: Update for " Adit Ranadive
[not found] ` <1470266864-16888-16-git-send-email-aditr-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
2016-08-30 13:17 ` Yuval Shaia
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