From: Leon Romanovsky <leon@kernel.org>
To: Ursula Braun <ubraun@linux.vnet.ibm.com>
Cc: davem@davemloft.net, netdev@vger.kernel.org,
linux-rdma@vger.kernel.org, linux-s390@vger.kernel.org,
jwi@linux.vnet.ibm.com, schwidefsky@de.ibm.com,
heiko.carstens@de.ibm.com, raspl@linux.vnet.ibm.com
Subject: Re: [PATCH net-next 08/10] net/smc: introduce a delay
Date: Wed, 20 Sep 2017 17:03:15 +0300 [thread overview]
Message-ID: <20170920140315.GR5788@mtr-leonro.local> (raw)
In-Reply-To: <20170920115813.63745-9-ubraun@linux.vnet.ibm.com>
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On Wed, Sep 20, 2017 at 01:58:11PM +0200, Ursula Braun wrote:
> The number of outstanding work requests is limited. If all work
> requests are in use, tx processing is postponed to another scheduling
> of the tx worker. Switch to a delayed worker to have a gap for tx
> completion queue events before the next retry.
>
How will delay prevent and protect the resource exhausting?
Thanks
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next prev parent reply other threads:[~2017-09-20 14:03 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-20 11:58 [PATCH net-next 00/10] net/smc: updates 2017-09-20 Ursula Braun
2017-09-20 11:58 ` [PATCH net-next 01/10] net/smc: add missing dev_put Ursula Braun
2017-10-02 20:36 ` Parav Pandit
2017-10-02 20:39 ` Parav Pandit
2017-10-05 7:54 ` Ursula Braun
2017-10-05 14:44 ` Parav Pandit
2017-09-20 11:58 ` [PATCH net-next 02/10] net/smc: add receive timeout check Ursula Braun
[not found] ` <20170920115813.63745-1-ubraun-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2017-09-20 11:58 ` [PATCH net-next 03/10] net/smc: take RCU read lock for routing cache lookup Ursula Braun
2017-09-20 15:22 ` [PATCH net-next 00/10] net/smc: updates 2017-09-20 Bart Van Assche
2017-09-20 11:58 ` [PATCH net-next 04/10] net/smc: adjust net_device refcount Ursula Braun
2017-09-20 11:58 ` [PATCH net-next 05/10] net/smc: adapt send request completion notification Ursula Braun
2017-09-20 11:58 ` [PATCH net-next 06/10] net/smc: longer delay for client link group removal Ursula Braun
2017-09-20 11:58 ` [PATCH net-next 07/10] net/smc: terminate link group if out-of-sync is received Ursula Braun
2017-09-20 11:58 ` [PATCH net-next 08/10] net/smc: introduce a delay Ursula Braun
2017-09-20 14:03 ` Leon Romanovsky [this message]
2017-09-20 14:37 ` Ursula Braun
2017-09-20 11:58 ` [PATCH net-next 09/10] net/smc: parameter cleanup in smc_cdc_get_free_slot() Ursula Braun
2017-09-20 11:58 ` [PATCH net-next 10/10] net/smc: no close wait in case of process shut down Ursula Braun
2017-09-20 23:29 ` [PATCH net-next 00/10] net/smc: updates 2017-09-20 David Miller
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