From mboxrd@z Thu Jan  1 00:00:00 1970
From: Or Gerlitz <ogerlitz@mellanox.com>
Subject: Re: [PATCH net-next 05/12] net/mlx5e: Poll rx cq before tx cq to
 improve round-trip latency
Date: Tue, 23 Jun 2015 17:12:54 +0300
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To: David Miller <davem@davemloft.net>, <achiad.mellanox@gmail.com>
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On 6/22/2015 4:35 PM, David Miller wrote:
> From: achiad shochat <achiad.mellanox@gmail.com>
> Date: Mon, 22 Jun 2015 00:35:37 +0300
>
>> Hello Dave,
>>
>> In mlx5 the RX processing is broken down into two stages:
>> 1) Hand to kernel SKBs of completed RX packets - @mlx5e_poll_rx_cq()
>> 2) Allocate and post to HW new RX buffers - @mlx5e_post_rx_wqes()
>>
>> Would handling of TX completions in between stages (1) and (2) be OK?
> I would do all of TX processing first and synchronously.  It's very
> cheap and makes lots of resources available for RX processing.

So we'll drop this patch.

Or.