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From: Haris Iqbal <haris.iqbal@ionos.com>
To: Leon Romanovsky <leon@kernel.org>
Cc: Jack Wang <jinpu.wang@ionos.com>,
	RDMA mailing list <linux-rdma@vger.kernel.org>,
	Bart Van Assche <bvanassche@acm.org>,
	Doug Ledford <dledford@redhat.com>,
	Jason Gunthorpe <jgg@ziepe.ca>, Gioh Kim <gi-oh.kim@ionos.com>
Subject: Re: [PATCH for-next 05/10] RDMA/rtrs: Fix warning when use poll mode
Date: Mon, 2 Aug 2021 16:18:48 +0200	[thread overview]
Message-ID: <CAJpMwyj2hM8y9=QBRpD5AUb0hozE8=PU_807fZJhAsvZCngOBQ@mail.gmail.com> (raw)
In-Reply-To: <YQeZkTIOHdqK6noK@unreal>

On Mon, Aug 2, 2021 at 9:07 AM Leon Romanovsky <leon@kernel.org> wrote:
>
> On Fri, Jul 30, 2021 at 03:18:27PM +0200, Jack Wang wrote:
> > when test with poll mode, it will fail and lead to warning below:
> > echo "sessname=bla path=gid:fe80::2:c903:4e:d0b3@gid:fe80::2:c903:8:ca17
> > device_path=/dev/nullb2 nr_poll_queues=-1" |
> > sudo tee /sys/devices/virtual/rnbd-client/ctl/map_device
> >
> > rnbd_client L597: Mapping device /dev/nullb2 on session bla,
> > (access_mode: rw, nr_poll_queues: 8)
> > WARNING: CPU: 3 PID: 9886 at drivers/infiniband/core/cq.c:447 ib_cq_pool_get+0x26f/0x2a0 [ib_core]
> >
> > The problem is in case of poll queue, we need to still call
> > ib_alloc_cq/ib_free_cq, we can't use cq_poll api for poll queue.
>
> It will be great to see an explanation here.

Will add and resend. Thanks

>
> Thanks

  reply	other threads:[~2021-08-02 14:24 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-30 13:18 [PATCH for-next 00/10] Misc update for RTRS Jack Wang
2021-07-30 13:18 ` [PATCH for-next 01/10] RDMA/rtrs-clt: During add_path change for_new_clt according to path_num Jack Wang
2021-08-02  6:40   ` Leon Romanovsky
2021-08-02 14:17     ` Haris Iqbal
2021-07-30 13:18 ` [PATCH for-next 02/10] RDMA/rtrs-srv: Prevent sysfs error with path name "ctl" Jack Wang
2021-08-02  6:47   ` Leon Romanovsky
2021-08-02 14:24     ` Haris Iqbal
2021-08-02 16:34       ` Leon Romanovsky
2021-07-30 13:18 ` [PATCH for-next 03/10] RDMA/rtrs: Use sysfs_emit instead of s*printf function for sysfs show Jack Wang
2021-08-02  6:52   ` Leon Romanovsky
2021-08-02 14:18     ` Haris Iqbal
2021-07-30 13:18 ` [PATCH for-next 04/10] RDMA/rtrs: Remove unused functions Jack Wang
2021-08-02  6:53   ` Leon Romanovsky
2021-07-30 13:18 ` [PATCH for-next 05/10] RDMA/rtrs: Fix warning when use poll mode Jack Wang
2021-08-02  7:06   ` Leon Romanovsky
2021-08-02 14:18     ` Haris Iqbal [this message]
2021-07-30 13:18 ` [PATCH for-next 06/10] RDMA/rtrs: Remove len parameter from helper print functions of sysfs Jack Wang
2021-08-02  7:08   ` Leon Romanovsky
2021-08-02 14:34     ` Haris Iqbal
2021-07-30 13:18 ` [PATCH for-next 07/10] RDMA/rtrs: Remove all likely and unlikely Jack Wang
2021-08-02  7:10   ` Leon Romanovsky
2021-07-30 13:18 ` [PATCH for-next 08/10] RDMA/rtrs-clt: Fix counting inflight IO Jack Wang
2021-08-02  7:22   ` Leon Romanovsky
2021-07-30 13:18 ` [PATCH for-next 09/10] RDMA/rtrs: Add support to disable an IB port on the storage side Jack Wang
2021-08-02  7:29   ` Leon Romanovsky
2021-08-02 14:31     ` Haris Iqbal
2021-08-02 16:35       ` Leon Romanovsky
2021-08-02 17:43         ` Haris Iqbal
2021-08-06  1:22           ` Jason Gunthorpe
2021-08-06 10:14             ` Haris Iqbal
2021-07-30 13:18 ` [PATCH for-next 10/10] RDMA/rtrs: remove (void) casting for functions Jack Wang
2021-08-02  7:32   ` Leon Romanovsky
2021-08-02 14:16     ` Haris Iqbal

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