From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bruce Richardson <bruce.richardson@intel.com>
Subject: Re: [PATCH v2] ena: fix doorbell submission when not
 needed
Date: Fri, 8 Jul 2016 22:03:34 +0100
Message-ID: <20160708210334.GG34980@bricha3-MOBL3>
References: <CANw_3ZezssBwyV8DOrJSN7-ygm0GKEz1PnD41RMkM=suN7FBag@mail.gmail.com>
 <20160708111130.28056-1-jan@semihalf.com>
 <20160708111130.28056-2-jan@semihalf.com>
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Cc: dev@dpdk.org, thomas.monjalon@6wind.com,
 Alexander Matushevsky <matua@amazon.com>
To: Jan Medala <jan@semihalf.com>
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On Fri, Jul 08, 2016 at 01:11:30PM +0200, Jan Medala wrote:
> Avoid submitting doorbell when:
> * no packets have been submitted to TX
> * no free resources have been submitted while RX
> 
> Sending doorbell without actual work to be performed by device
> violates ENA specification and can lead to unpredictable behavior.
> 
> Fixes: 1173fca25af9 ("ena: add polling-mode driver")
> 
> Signed-off-by: Alexander Matushevsky <matua@amazon.com>
> Signed-off-by: Jan Medala <jan@semihalf.com>
> ---
Applied to dpdk-net-net/rel_16_07

/Bruce