netdev - Re: [PATCH net-next] net/smc: pre-fetch send buffer outside of send

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Message-Id: <20200530.181204.1805037250596208281.davem@davemloft.net>
Date:   Sat, 30 May 2020 18:12:04 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     kgraul@...ux.ibm.com
Cc:     netdev@...r.kernel.org, linux-s390@...r.kernel.org,
        heiko.carstens@...ibm.com, raspl@...ux.ibm.com,
        ubraun@...ux.ibm.com
Subject: Re: [PATCH net-next] net/smc: pre-fetch send buffer outside of
 send_lock

From: Karsten Graul <kgraul@...ux.ibm.com>
Date: Sat, 30 May 2020 16:42:37 +0200

> Pre-fetch send buffer for the CDC validation message before entering the
> send_lock. Without that the send call might fail with -EBUSY because
> there are no free buffers and waiting for buffers is not possible under
> send_lock.
> 
> Signed-off-by: Karsten Graul <kgraul@...ux.ibm.com>
> Reviewed-by: Ursula Braun <ubraun@...ux.ibm.com>

Applied, thanks.