From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ferruh Yigit <ferruh.yigit@intel.com>
Subject: Re: [dpdk-stable] [PATCH v3] net/mlx5: fix deadlock due
 to buffered slots in Rx SW ring
Date: Wed, 11 Oct 2017 01:43:37 +0100
Message-ID: <c411ff44-bb1c-e64a-ecb2-72c1ad4927df@intel.com>
References: <20171006221948.24238-1-yskoh@mellanox.com>
 <8beeef1f03eadc02d67e86c002a40c1fc56d6c55.1507644171.git.yskoh@mellanox.com>
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Cc: dev@dpdk.org, stable@dpdk.org
To: Yongseok Koh <yskoh@mellanox.com>, adrien.mazarguil@6wind.com,
 nelio.laranjeiro@6wind.com
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On 10/10/2017 3:04 PM, Yongseok Koh wrote:
> When replenishing Rx ring, there're always buffered slots reserved between
> consumed entries and HW owned entries. These have to be filled with fake
> mbufs to protect from possible overflow rather than optimistically
> expecting successful replenishment which can cause deadlock with
> small-sized queue.
> 
> Fixes: fc048bd52cb7 ("net/mlx5: fix overflow of Rx SW ring")
> Cc: stable@dpdk.org
> 
> Reported-by: Martin Weiser <martin.weiser@allegro-packets.com>
> Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
> Tested-by: Martin Weiser <martin.weiser@allegro-packets.com>

Applied to dpdk-next-net/master, thanks.