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From: Matan Azrad <matan@mellanox.com>
To: "Phil Yang" <phil.yang@arm.com>,
	"Yongseok Koh" <yskoh@mellanox.com>,
	"Slava Ovsiienko" <viacheslavo@mellanox.com>,
	"Nélio Laranjeiro" <nelio.laranjeiro@6wind.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Cc: Thomas Monjalon <thomas@monjalon.net>,
	"jerinj@marvell.com" <jerinj@marvell.com>,
	"Honnappa.Nagarahalli@arm.com" <Honnappa.Nagarahalli@arm.com>,
	"gavin.hu@arm.com" <gavin.hu@arm.com>, "nd@arm.com" <nd@arm.com>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 1/2] net/mlx5: fix Rx CQ doorbell synchronization on aarch64
Date: Tue, 10 Sep 2019 07:22:51 +0000	[thread overview]
Message-ID: <AM0PR0502MB40196C18BF5719716961EE7AD2B60@AM0PR0502MB4019.eurprd05.prod.outlook.com> (raw)
In-Reply-To: <1567680908-31210-1-git-send-email-phil.yang@arm.com>



From: Phil Yang 
> Subject: [PATCH 1/2] net/mlx5: fix Rx CQ doorbell synchronization on aarch64
> 
> The Rx completion queue doorbell field needs to be updated after the last
> CQE decompressed. For the weaker memory model processors, the compiler
> barrier is not sufficient to guarantee the order of these operations, so use
> the coherent I/O memory barrier to make sure these fields are updated in
> order.
> 
> Fixes: 570acdb1da8a ("net/mlx5: add vectorized Rx/Tx burst for ARM")
> Cc: stable@dpdk.org
> 
> Suggested-by: Gavin Hu <gavin.hu@arm.com>
> Signed-off-by: Phil Yang <phil.yang@arm.com>
> Reviewed-by: Gavin Hu <gavin.hu@arm.com>
Acked-by: Matan Azrad <matan@mellanox.com>

  parent reply	other threads:[~2019-09-10  7:22 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-05 10:55 Phil Yang
2019-09-05 10:55 ` [dpdk-dev] [PATCH 2/2] net/mlx5: fix Tx " Phil Yang
2019-09-05 12:12   ` Slava Ovsiienko
2019-09-06  7:20     ` Phil Yang (Arm Technology China)
2019-09-06 12:26       ` Slava Ovsiienko
2019-09-09 10:12         ` Phil Yang (Arm Technology China)
2019-09-09 11:29           ` Slava Ovsiienko
2019-09-10  9:22             ` Phil Yang (Arm Technology China)
2019-09-10  7:22 ` Matan Azrad [this message]
2019-09-12  8:29 ` [dpdk-dev] [PATCH 1/2] net/mlx5: fix Rx " Raslan Darawsheh

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