From: Jason Gunthorpe <jgg@ziepe.ca>
To: Bart Van Assche <bvanassche@acm.org>
Cc: Sagi Grimberg <sagi@grimberg.me>,
Yamin Friedman <yaminf@mellanox.com>,
kernel test robot <rong.a.chen@intel.com>,
Max Gurtovoy <maxg@mellanox.com>,
LKML <linux-kernel@vger.kernel.org>,
Doug Ledford <dledford@redhat.com>,
Jason Gunthorpe <jgg+lists@ziepe.ca>,
linux-rdma@vger.kernel.org, lkp@lists.01.org
Subject: Re: [IB/srpt] c804af2c1d: last_state.test.blktests.exit_code.143
Date: Mon, 14 Sep 2020 15:26:39 -0300 [thread overview]
Message-ID: <20200914182639.GG1221970@ziepe.ca> (raw)
In-Reply-To: <6c86453d-d7ae-a36b-d827-7812999abc96@acm.org>
On Fri, Sep 11, 2020 at 03:00:30PM -0700, Bart Van Assche wrote:
> On 2020-09-08 19:01, Bart Van Assche wrote:
> > The above patch didn't compile, but the patch below does and makes the hang
> > disappear. So feel free to add the following to the patch below:
> >
> > Tested-by: Bart Van Assche <bvanassche@acm.org>
> >
> > diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
> > index c36b4d2b61e0..23ee65a9185f 100644
> > +++ b/drivers/infiniband/core/device.c
> > @@ -1285,6 +1285,8 @@ static void disable_device(struct ib_device *device)
> > remove_client_context(device, cid);
> > }
> >
> > + ib_cq_pool_destroy(device);
> > +
> > /* Pairs with refcount_set in enable_device */
> > ib_device_put(device);
> > wait_for_completion(&device->unreg_completion);
> > @@ -1328,6 +1330,8 @@ static int enable_device_and_get(struct ib_device *device)
> > goto out;
> > }
> >
> > + ib_cq_pool_init(device);
> > +
> > down_read(&clients_rwsem);
> > xa_for_each_marked (&clients, index, client, CLIENT_REGISTERED) {
> > ret = add_client_context(device, client);
> > @@ -1400,7 +1404,6 @@ int ib_register_device(struct ib_device *device, const char *name)
> > goto dev_cleanup;
> > }
> >
> > - ib_cq_pool_init(device);
> > ret = enable_device_and_get(device);
> > dev_set_uevent_suppress(&device->dev, false);
> > /* Mark for userspace that device is ready */
> > @@ -1455,7 +1458,6 @@ static void __ib_unregister_device(struct ib_device *ib_dev)
> > goto out;
> >
> > disable_device(ib_dev);
> > - ib_cq_pool_destroy(ib_dev);
> >
> > /* Expedite removing unregistered pointers from the hash table */
> > free_netdevs(ib_dev);
>
> Hi Jason,
>
> Please let me know how you want to proceed with this patch.
Applied to for-rc
Thanks,
Jason
prev parent reply other threads:[~2020-09-14 18:27 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-02 6:09 [IB/srpt] c804af2c1d: last_state.test.blktests.exit_code.143 kernel test robot
2020-08-02 15:05 ` Bart Van Assche
2020-08-03 6:19 ` Yamin Friedman
2020-08-03 7:27 ` Sagi Grimberg
2020-08-23 21:18 ` Bart Van Assche
2020-08-24 13:30 ` Jason Gunthorpe
2020-09-07 2:58 ` Bart Van Assche
2020-09-08 18:22 ` Jason Gunthorpe
2020-09-09 2:01 ` Bart Van Assche
2020-09-11 22:00 ` Bart Van Assche
2020-09-12 4:46 ` Yi Zhang
2020-09-14 18:26 ` Jason Gunthorpe [this message]
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