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Tue, 27 Sep 2022 17:24:44 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CO1NAM11FT042.mail.protection.outlook.com (10.13.174.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5654.14 via Frontend Transport; Tue, 27 Sep 2022 17:24:44 +0000 Received: from amd.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Tue, 27 Sep 2022 12:24:39 -0500 From: Arvind Yadav To: , , , , , , , , , , , , CC: Arvind Yadav Subject: [PATCH 1/3] dma-buf: Remove the signaled bit status check Date: Tue, 27 Sep 2022 22:54:07 +0530 Message-ID: <20220927172409.484061-2-Arvind.Yadav@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220927172409.484061-1-Arvind.Yadav@amd.com> References: <20220927172409.484061-1-Arvind.Yadav@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT042:EE_|CH2PR12MB4038:EE_ X-MS-Office365-Filtering-Correlation-Id: b8459f1e-f091-4377-0dbd-08daa0ad2b9e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Sep 2022 17:24:44.6036 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b8459f1e-f091-4377-0dbd-08daa0ad2b9e X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT042.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4038 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Remove the extra signaled bit status check because it is returning early when the fence is already signaled and __dma_fence_enable_signaling is checking the status of signaled bit again. Signed-off-by: Arvind Yadav Reviewed-by: Christian König --- drivers/dma-buf/dma-fence.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index 406b4e26f538..11ef20f70ee0 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -648,11 +648,6 @@ int dma_fence_add_callback(struct dma_fence *fence, struct dma_fence_cb *cb, if (WARN_ON(!fence || !func)) return -EINVAL; - if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) { - INIT_LIST_HEAD(&cb->node); - return -ENOENT; - } - spin_lock_irqsave(fence->lock, flags); if (__dma_fence_enable_signaling(fence)) {