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Wed, 14 Sep 2022 11:45:05 -0500 From: Arvind Yadav To: , , , , , , , , , , , , CC: Arvind Yadav Subject: [PATCH v4 4/6] dma-buf: dma_fence_wait must enable signaling Date: Wed, 14 Sep 2022 22:13:19 +0530 Message-ID: <20220914164321.2156-5-Arvind.Yadav@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220914164321.2156-1-Arvind.Yadav@amd.com> References: <20220914164321.2156-1-Arvind.Yadav@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT110:EE_|CY8PR12MB7657:EE_ X-MS-Office365-Filtering-Correlation-Id: d893f585-94e8-4633-6294-08da96707c87 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:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230022)(4636009)(346002)(376002)(39860400002)(136003)(396003)(451199015)(40470700004)(36840700001)(46966006)(40460700003)(6666004)(356005)(8936002)(16526019)(316002)(110136005)(47076005)(70586007)(478600001)(336012)(1076003)(36756003)(70206006)(36860700001)(86362001)(2906002)(41300700001)(2616005)(83380400001)(426003)(7696005)(4326008)(81166007)(4744005)(82740400003)(26005)(5660300002)(186003)(82310400005)(40480700001)(921005)(8676002)(2101003)(36900700001)(83996005);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Sep 2022 16:45:09.5472 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d893f585-94e8-4633-6294-08da96707c87 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: BN8NAM11FT110.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7657 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org dma_fence_wait() should always enable signaling even when the fence is already signaled. Signed-off-by: Arvind Yadav --- Changes in v1..v3: This new patch was not part of previous series. --- drivers/dma-buf/dma-fence.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index 645c158b7e01..a5fbf1c1e0ea 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -508,6 +508,8 @@ dma_fence_wait_timeout(struct dma_fence *fence, bool intr, signed long timeout) __dma_fence_might_wait(); + dma_fence_enable_sw_signaling(fence); + trace_dma_fence_wait_start(fence); if (fence->ops->wait) ret = fence->ops->wait(fence, intr, timeout); @@ -771,9 +773,6 @@ dma_fence_default_wait(struct dma_fence *fence, bool intr, signed long timeout) goto out; } - if (!__dma_fence_enable_signaling(fence)) - goto out; - if (!timeout) { ret = 0; goto out; -- 2.25.1