From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH v8 01/18] mbuf: redefine packet_type in
	rte_mbuf
Date: Thu, 02 Jul 2015 11:03:12 +0200
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To: Helin Zhang <helin.zhang@intel.com>
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2015-06-23 09:50, Helin Zhang:
> In order to unify the packet type, the field of 'packet_type' in
> 'struct rte_mbuf' needs to be extended from 16 to 32 bits.
> Accordingly, some fields in 'struct rte_mbuf' are re-organized to
> support this change for Vector PMD. As 'struct rte_kni_mbuf' for
> KNI should be right mapped to 'struct rte_mbuf', it should be
> modified accordingly. In addition, Vector PMD of ixgbe is disabled
> by default, as 'struct rte_mbuf' changed.
[...]
> -CONFIG_RTE_IXGBE_INC_VECTOR=y
> +CONFIG_RTE_IXGBE_INC_VECTOR=n

It is the default configuration. Disabling it do not prevent from
build break during a "git bisect".
Please merge the changes for vector ixgbe in this patch.