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Thu, 20 Jul 2023 11:33:34 -0700 Received: from mtl123.mtl.labs.mlnx (10.127.8.10) by mail.nvidia.com (10.126.190.182) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.37 via Frontend Transport; Thu, 20 Jul 2023 11:33:34 -0700 Received: from mtbu-labmailer.labs.mlnx ([10.15.2.12]) by mtl123.mtl.labs.mlnx (8.14.4/8.14.4) with ESMTP id 36KIXVkX027894; Thu, 20 Jul 2023 21:33:32 +0300 Received: from bu-vnc03.mtbu.labs.mlnx (bu-vnc03.mtbu.labs.mlnx [10.15.2.66]) by mtbu-labmailer.labs.mlnx (8.14.4/8.14.4) with ESMTP id 36KIXVVj015555; Thu, 20 Jul 2023 14:33:31 -0400 Received: (from shihyic@localhost) by bu-vnc03.mtbu.labs.mlnx (8.14.7/8.13.8/Submit) id 36KIXV44027991; Thu, 20 Jul 2023 14:33:31 -0400 From: shihyic To: Subject: [SRU][F:linux-bluefield][PATCH v1 1/1] UBUNTU: SAUCE: mlxbf-tmfifo.c: Fix rhsim console w/ truncated dmesg output Date: Thu, 20 Jul 2023 14:32:52 -0400 Message-ID: <6711b5ef6ca8b9b0f2a46ee0a9cf3408bfad518f.1689876298.git.shihyic@nvidia.com> X-Mailer: git-send-email 2.30.1 In-Reply-To: References: MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT027:EE_|PH7PR12MB7284:EE_ X-MS-Office365-Filtering-Correlation-Id: 617df077-4a5e-452f-0fdf-08db894fd9ef X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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SFS:(13230028)(4636009)(39860400002)(136003)(346002)(376002)(396003)(82310400008)(451199021)(40470700004)(46966006)(36840700001)(966005)(40480700001)(107886003)(40460700003)(70206006)(36756003)(70586007)(54906003)(5660300002)(42186006)(41300700001)(316002)(4744005)(4326008)(8936002)(6916009)(8676002)(83170400001)(2906002)(82740400003)(6666004)(478600001)(7636003)(356005)(2616005)(83380400001)(26005)(36860700001)(336012)(47076005)(42882007)(186003); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jul 2023 18:33:45.3864 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 617df077-4a5e-452f-0fdf-08db894fd9ef X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.118.232]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT027.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB7284 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Liming Sun , meriton@nvidia.com, khoav@nvidia.com, shihyic Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" BugLink: https://bugs.launchpad.net/ubuntu/+source/linux-bluefield/+bug/2028197 Fix rshim console output got cutoff due to tmfifo driver not processing all virtio console notifications. Signed-off-by: Shih-Yi Chen Reviewed-by: Liming Sun --- drivers/platform/mellanox/mlxbf-tmfifo.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/platform/mellanox/mlxbf-tmfifo.c b/drivers/platform/mellanox/mlxbf-tmfifo.c index 497b16b8fe84..408851c4464b 100644 --- a/drivers/platform/mellanox/mlxbf-tmfifo.c +++ b/drivers/platform/mellanox/mlxbf-tmfifo.c @@ -1049,6 +1049,8 @@ static bool mlxbf_tmfifo_virtio_notify(struct virtqueue *vq) tm_vdev = 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;