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Mon, 14 Aug 2023 10:53:15 -0700 From: Shiih-Yi Chen To: , Hans de Goede , "Mark Gross" , Vadim Pasternak , CC: shihyic , , Subject: [PATCH v1] [v1] platform/mellanox: Fix mlxbf-tmfifo not handling all virtio CONSOLE notifictions Date: Mon, 14 Aug 2023 13:53:13 -0400 Message-ID: <20230814175313.7101-1-shihyic@nvidia.com> X-Mailer: git-send-email 2.30.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000044F0:EE_|PH7PR12MB8155:EE_ X-MS-Office365-Filtering-Correlation-Id: 1abead0e-8e25-4063-f6af-08db9cef60a7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230028)(4636009)(396003)(346002)(376002)(39860400002)(136003)(82310400008)(1800799006)(451199021)(186006)(36840700001)(46966006)(40470700004)(2906002)(4744005)(70586007)(40480700001)(316002)(41300700001)(70206006)(4326008)(40460700003)(5660300002)(8936002)(8676002)(1076003)(336012)(26005)(107886003)(2616005)(426003)(47076005)(36860700001)(36756003)(83380400001)(110136005)(478600001)(54906003)(82740400003)(7696005)(7636003)(356005)(86362001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Aug 2023 17:53:33.4075 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1abead0e-8e25-4063-f6af-08db9cef60a7 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000044F0.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB8155 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: shihyic rshim console does not show all entries of dmesg. Fixed by setting MLXBF_TM_TX_LWM_IRQ for every CONSOLE notification.=20 =20 Signed-off-by: shihyic Review-by: limings@nvidia.com --- drivers/platform/mellanox/mlxbf-tmfifo.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/platform/mellanox/mlxbf-tmfifo.c b/drivers/platform/me= llanox/mlxbf-tmfifo.c index a79318e90a13..4561b7d42412 100644 --- a/drivers/platform/mellanox/mlxbf-tmfifo.c +++ b/drivers/platform/mellanox/mlxbf-tmfifo.c @@ -887,6 +887,8 @@ static bool mlxbf_tmfifo_virtio_notify(struct virtqueue= *vq) tm_vdev =3D fifo->vdev[VIRTIO_ID_CONSOLE]; mlxbf_tmfifo_console_output(tm_vdev, vring); spin_unlock_irqrestore(&fifo->spin_lock[0], flags); + test_and_set_bit(MLXBF_TM_TX_LWM_IRQ, + &fifo->pend_events); } else if (test_and_set_bit(MLXBF_TM_TX_LWM_IRQ, &fifo->pend_events)) { return true; --=20 2.30.1