netdev - Re: [PATCH net-next 08/10] net/smc: introduce a delay

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Message-ID: <20170920140315.GR5788@mtr-leonro.local>
Date:   Wed, 20 Sep 2017 17:03:15 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Ursula Braun <ubraun@...ux.vnet.ibm.com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, linux-s390@...r.kernel.org,
        jwi@...ux.vnet.ibm.com, schwidefsky@...ibm.com,
        heiko.carstens@...ibm.com, raspl@...ux.vnet.ibm.com
Subject: Re: [PATCH net-next 08/10] net/smc: introduce a delay

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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