From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH v2 1/3] port: added WRITER_APPROACH == 1
	implementation to ring port
Date: Sun, 17 May 2015 23:44:43 +0200
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2015-04-30 13:58, Michal Jastrzebski:
> From: Maciej Gajdzica <maciejx.t.gajdzica@intel.com>
> 
> Added better optimized implementation of tx_bulk for ring writer port
> based on
> similar solution in ethdev_writer port. New implementation sends burst
> without
> copying data to internal buffer if it is possible.
> 
> Signed-off-by: Maciej Gajdzica <maciejx.t.gajdzica@intel.com>
[...]
> +#if RTE_PORT_RING_WRITER_APPROACH == 0

Nack
Maybe you missed the previous comment:
	http://dpdk.org/ml/archives/dev/2015-March/015999.html