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CTRY:IE; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:64aa7808-outbound-1.mta.getcheckrecipient.com; PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com; CAT:NONE; SFS:(4636009)(136003)(346002)(396003)(39830400003)(376002)(46966006)(36840700001)(6506007)(81166007)(336012)(186003)(53546011)(70206006)(450100002)(83380400001)(86362001)(316002)(33656002)(70586007)(36860700001)(4326008)(55016002)(54906003)(478600001)(5660300002)(82310400003)(110136005)(7696005)(8676002)(9686003)(47076005)(356005)(2906002)(8936002)(52536014)(26005); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jul 2021 02:34:45.1620 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c0fc6353-84ff-43ce-2812-08d944dd9c61 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d; Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: DB5EUR03FT031.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM4PR0802MB2322 Subject: Re: [dpdk-stable] [PATCH v2] net/bnxt: fix missing barriers in completion handling X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" > -----Original Message----- > From: Lance Richardson > Sent: Saturday, July 10, 2021 12:39 AM > To: Ajit Khaparde (ajit.khaparde@broadcom.com) > ; Somnath Kotur > ; Bruce Richardson > ; Konstantin Ananyev > ; jerinj@marvell.com; Ruifeng Wang > ; Stephen Hurd ; > David Christensen > Cc: dev@dpdk.org; stable@dpdk.org > Subject: [PATCH v2] net/bnxt: fix missing barriers in completion handling >=20 > Ensure that Rx/Tx/Async completion entry fields are accessed > only after the completion's valid flag has been loaded and > verified. This is needed for correct operation on systems that > use relaxed memory consistency models. >=20 > Fixes: 2eb53b134aae ("net/bnxt: add initial Rx code") > Fixes: 6eb3cc2294fd ("net/bnxt: add initial Tx code") > Cc: stable@dpdk.org > Signed-off-by: Lance Richardson > Reviewed-by: Ajit Khaparde > --- > v2: > * Corrected name of the first parameter to bnxt_cpr_cmp_valid() in > comments ('cmp' to 'cmpl'). >=20 > drivers/net/bnxt/bnxt_cpr.h | 36 ++++++++++++++++++++++++--- > drivers/net/bnxt/bnxt_ethdev.c | 16 ++++++------ > drivers/net/bnxt/bnxt_irq.c | 7 +++--- > drivers/net/bnxt/bnxt_rxr.c | 9 ++++--- > drivers/net/bnxt/bnxt_rxtx_vec_avx2.c | 2 +- > drivers/net/bnxt/bnxt_rxtx_vec_neon.c | 2 +- > drivers/net/bnxt/bnxt_rxtx_vec_sse.c | 2 +- > drivers/net/bnxt/bnxt_txr.c | 2 +- > 8 files changed, 54 insertions(+), 22 deletions(-) >=20 Reviewed-by: Ruifeng Wang