From nobody Fri Dec 19 17:19:54 2025 Received: from invmail4.hynix.com (exvmail4.hynix.com [166.125.252.92]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2E2522741D6; Mon, 19 May 2025 09:18:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=166.125.252.92 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747646337; cv=none; b=J6bTlB5lUe+xVK2IIdWmeaNNNKl4D80kECGxs1Q2lKaBv4N70jleTXlqtjNP4dtD0lKOhWqUE2Tuu0FvK/0CCvi+qkdQZHJ4p/tO1EsOKJk0vpm8FlDwVX3S4IFxZFXgj5IZzngXk1RF7LLQko6Ij2hzWJaXBFS7t7GNWLML7x8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747646337; c=relaxed/simple; bh=9Sbtv7YuVMjEizoot53ogfQz7NbvVKio90qc+0mHg80=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=osAygqQY4awYv9YDRf4IMYh8WqtzwG68wLWCE2wbZqXwhk6nwtFlHp6yVcFIX6uvW/i8pyeWwyt/Lj4OLVh6wQr8YQytQWvpuQkhFYr5Brh8+9cuVm8svrJTmcBRNuNqa9nwfl1JVqSuzp1Rjn3uiqBzM2LdnUoyiX6/lNtHc+g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sk.com; spf=pass smtp.mailfrom=sk.com; arc=none smtp.client-ip=166.125.252.92 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sk.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sk.com X-AuditID: a67dfc5b-681ff7000002311f-e4-682af76e80fc From: Byungchul Park To: linux-kernel@vger.kernel.org Cc: kernel_team@skhynix.com, torvalds@linux-foundation.org, damien.lemoal@opensource.wdc.com, linux-ide@vger.kernel.org, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, will@kernel.org, tglx@linutronix.de, rostedt@goodmis.org, joel@joelfernandes.org, sashal@kernel.org, daniel.vetter@ffwll.ch, duyuyang@gmail.com, johannes.berg@intel.com, tj@kernel.org, tytso@mit.edu, willy@infradead.org, david@fromorbit.com, amir73il@gmail.com, gregkh@linuxfoundation.org, kernel-team@lge.com, linux-mm@kvack.org, akpm@linux-foundation.org, mhocko@kernel.org, minchan@kernel.org, hannes@cmpxchg.org, vdavydov.dev@gmail.com, sj@kernel.org, jglisse@redhat.com, dennis@kernel.org, cl@linux.com, penberg@kernel.org, rientjes@google.com, vbabka@suse.cz, ngupta@vflare.org, linux-block@vger.kernel.org, josef@toxicpanda.com, linux-fsdevel@vger.kernel.org, jack@suse.cz, jlayton@kernel.org, dan.j.williams@intel.com, hch@infradead.org, djwong@kernel.org, dri-devel@lists.freedesktop.org, rodrigosiqueiramelo@gmail.com, melissa.srw@gmail.com, hamohammed.sa@gmail.com, harry.yoo@oracle.com, chris.p.wilson@intel.com, gwan-gyeong.mun@intel.com, max.byungchul.park@gmail.com, boqun.feng@gmail.com, longman@redhat.com, yskelg@gmail.com, yunseong.kim@ericsson.com, yeoreum.yun@arm.com, netdev@vger.kernel.org, matthew.brost@intel.com, her0gyugyu@gmail.com Subject: [PATCH v16 17/42] dept: apply sdt_might_sleep_{start,end}() to dma fence Date: Mon, 19 May 2025 18:18:01 +0900 Message-Id: <20250519091826.19752-18-byungchul@sk.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20250519091826.19752-1-byungchul@sk.com> References: <20250519091826.19752-1-byungchul@sk.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzWSbUxTZxTHfe69vfe2o3rtnLvTJWod6NiGYmA5BjX7Ynw+uGSLiYnug1a5 2ma0kPJeMwOzKiuCikF8oV0pWpu2AraNQaHASujsCK6bWKBDVGJUYmsTRutAfGln/HLyy/mf 8ztfDkvK/KJlrEpTImg1igI5LaEk0bSWrzQvMpXrY715EJ+poaC53UlDsM2BwOmpJmBqYBuM JCIIXg79SUJTYxBBy8N7JHj8Ewi8tp9puPNoIQzHYzQEGmtpONLaTsNfz+YJGD/bQIDD9S3c tz6mYPCUhYCmKRouNh0hkuUpAbNWOwPWqnSYtF1gYP5hNgQmQiLwhr+A86ZxGrq9AQr8nZME 3LnZTMOE840IBv23KEjUL4fg6ToRXH1uoeFZwkqCNR5j4O8+MwF+81Lo0CeFx/59LYLf6/oI OHbpGgHDY10IemoeEOByhmjoj0cIcLsaSZi7MoBgsj7KwNETswxcrK5HUHv0LAX68Vx4+V/y snEmG6p/7aDg6qsQ+mYzdpqcCPdHYiTWu8vxXPwujb0JM4X/sPD4xoV7DNb3hBlsdpVity0T t3ZPEbhlOi7CLvsvNHZNNzDYEB0m8PPbt5nvPt0t2ZQvFKjKBO26LXslyq7jl8miZmnFU89J pgrNSwxIzPJcDu8zGpn33Hs3TKWY5tbwo6OzZIqXcCt5d91jkQFJWJILfcCPGMeQAbHsh9z3 fPR4XgopLp0/N5CWGpdyX/PG1h7ynXIF7+jo+5/FyX64th+lWMbl8sMOE5VS8twZMW8ZHKHe LXzC/2YbpU4hqRktsCOZSlOmVqgKcrKUlRpVRdb+QrULJb/L+tP8D51oOrjDhzgWydOkHd7P lTKRoqy4Uu1DPEvKl0jt7rVKmTRfUakTtIV7tKUFQrEPLWcp+cfSDYnyfBl3UFEi/CgIRYL2 fUqw4mVVSL2x3LY6sPWkmIvq/dmmotgTz6t/8MqaQs1ncupLW++NXQ2bRvY5HHOd16srDqhN JQvCi7e3zugWh3RDteflQ+HC8KrEFnNO97pbhhr3oxUvDmXhNt2qvMj1gxken/RwYFfCaJHr cs8FQ1t3dnHjGZtDh+0ftY1lRPaoF5VuyJBTxUpFdiapLVa8BfVWACVZAwAA X-Brightmail-Tracker: H4sIAAAAAAAAAzXSf0zMcRgHcJ/v774c350b3/m9MyREyJ6pYTZ8/Q5/2Pgjt/rOna7L7ogY 6+ryo1x+bDlSuYpz6tK5axa5tHIpDVGKlrhmVvTD6OL6gTvmn2evPc+z9/PPw+BSKzmFUWkO iVqNQi2nWILdFpG6SPMjRLnE0DUbvANnCMgptVHQeKcYga1Mj0G3ewO0DvYgGH72AgdTViOC fM87HMpqOxC4rCkUNH0cD83efgrqszIoSC0speDllxEM2i9fwqDYsRXeWz4R0HChAANTNwXX TKmYv3Rh4LMU0WBJngOd1mwaRjxhUN/RQkJNbj0JrrYFcDWvnYKHrnoCass7MWh6kENBh+03 CQ21dQQMZk6FxotGEkr6Cij4MmjBweLtp+FVlRmDWvMksBv8qae+/yLhibEKg1M37mLQ/LYC QeWZDxg4bC0U1Hh7MHA6snAYuuVG0JnZS0PaOR8N1/SZCDLSLhNgaA+H4Z/+y7kDYaC/bieg ZLQFrVkl2PJsSKjp6ccFg/OIMOR9TQmuQTMhPC3ghfvZ72jBUNlGC2bHYcFpDREKH3ZjQv43 Lyk4is5SguPbJVpI723GhL7nz+mo6XvYyFhRrUoUtYtX7WOVFadv4gdzJEe7ys7TyWiETUdB DM8t5x+9biMCprh5/Js3PjxgGTeLdxo/kemIZXCuZSzfmvsWpSOGmcjt4HtPRwRIcHP4K+5x gXUJt4LPLazE/0XO5IvtVX8d5O+3ZdSggKVcON9cnEdcQKwZjSlCMpUmMV6hUoeH6uKUSRrV 0dCYhHgH8v+P5cTIxXI00LShGnEMko+T2F3zlVJSkahLiq9GPIPLZZIiZ7BSKolVJB0TtQnR 2sNqUVeNpjKEfLJk025xn5TbrzgkxoniQVH7f4oxQVOS0Zhd78uHNpfM6OVY92S90zTps7J8 7rIGo4KLMWxZmRARkpfhC4+MOe7rz/9R53GtDYXtE66cc52Nim5iZnl00tEE9XDf3nurHxdM G/VUVbjXd0YciHwgW3DyxcY0tiNlaUpclsmOvurGbm99ykXpox3Z684ncrd/b9spM6qtwQvl hE6pCAvBtTrFHwJcWHs7AwAA X-CFilter-Loop: Reflected Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Make dept able to track dependencies by dma fence waits and signals. Signed-off-by: Byungchul Park --- drivers/dma-buf/dma-fence.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index f0cdd3e99d36..5d2fd2f6a46d 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -16,6 +16,7 @@ #include #include #include +#include =20 #define CREATE_TRACE_POINTS #include @@ -783,6 +784,7 @@ dma_fence_default_wait(struct dma_fence *fence, bool in= tr, signed long timeout) cb.task =3D current; list_add(&cb.base.node, &fence->cb_list); =20 + sdt_might_sleep_start(NULL); while (!test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags) && ret > 0) { if (intr) __set_current_state(TASK_INTERRUPTIBLE); @@ -796,6 +798,7 @@ dma_fence_default_wait(struct dma_fence *fence, bool in= tr, signed long timeout) if (ret > 0 && intr && signal_pending(current)) ret =3D -ERESTARTSYS; } + sdt_might_sleep_end(); =20 if (!list_empty(&cb.base.node)) list_del(&cb.base.node); @@ -885,6 +888,7 @@ dma_fence_wait_any_timeout(struct dma_fence **fences, u= int32_t count, } } =20 + sdt_might_sleep_start(NULL); while (ret > 0) { if (intr) set_current_state(TASK_INTERRUPTIBLE); @@ -899,6 +903,7 @@ dma_fence_wait_any_timeout(struct dma_fence **fences, u= int32_t count, if (ret > 0 && intr && signal_pending(current)) ret =3D -ERESTARTSYS; } + sdt_might_sleep_end(); =20 __set_current_state(TASK_RUNNING); =20 --=20 2.17.1