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Thu, 7 Mar 2019 08:38:40 +0000 From: Shahaf Shuler To: Dekel Peled , Yongseok Koh CC: "dev@dpdk.org" , Ori Kam , Dekel Peled , "stable@dpdk.org" Thread-Topic: [dpdk-dev] [PATCH] net/mlx5: fix sync when handling Tx completions Thread-Index: AQHUz3lsZl9MqyBtD02aAPGjI1g1rKX/4z7w Date: Thu, 7 Mar 2019 08:38:40 +0000 Message-ID: References: <1551367230-38039-1-git-send-email-dekelp@mellanox.com> In-Reply-To: <1551367230-38039-1-git-send-email-dekelp@mellanox.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=shahafs@mellanox.com; x-originating-ip: [193.47.165.251] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: c9256f96-8e64-4d1c-89b6-08d6a2d84ce5 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600127)(711020)(4605104)(4618075)(2017052603328)(7153060)(7193020); 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: c9256f96-8e64-4d1c-89b6-08d6a2d84ce5 X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Mar 2019 08:38:40.4919 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR0502MB3921 Subject: Re: [dpdk-dev] [PATCH] net/mlx5: fix sync when handling Tx completions X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Mar 2019 08:38:41 -0000 Thursday, February 28, 2019 5:21 PM, Dekel Peled: > Subject: [dpdk-dev] [PATCH] net/mlx5: fix sync when handling Tx > completions >=20 > Function mlx5_tx_complete() reads completion entry information from Tx > queue. > For some processors not having strongly-ordered memory model, there has > to be a memory barrier between reading the entry index and the entry > fields, in order to guarantee data is valid. >=20 > Fixes: 54d3fe948dba ("net/mlx5: poll completion queue once per a call") > Cc: stable@dpdk.org >=20 > Signed-off-by: Dekel Peled Applied to next-net-mlx, thanks.=20