From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Yongseok Koh <yskoh@mellanox.com>,
adrien.mazarguil@6wind.com, nelio.laranjeiro@6wind.com
Cc: dev@dpdk.org, stable@dpdk.org
Subject: Re: [dpdk-dev] [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 [thread overview]
Message-ID: <c411ff44-bb1c-e64a-ecb2-72c1ad4927df@intel.com> (raw)
In-Reply-To: <8beeef1f03eadc02d67e86c002a40c1fc56d6c55.1507644171.git.yskoh@mellanox.com>
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.
prev parent reply other threads:[~2017-10-11 0:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-06 22:19 [dpdk-dev] [PATCH] " Yongseok Koh
2017-10-07 22:10 ` [dpdk-dev] [PATCH v2] " Yongseok Koh
2017-10-10 14:04 ` [dpdk-dev] [PATCH v3] " Yongseok Koh
2017-10-11 0:43 ` Ferruh Yigit [this message]
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