From nobody Fri Dec 19 17:19:14 2025 Received: from invmail4.hynix.com (exvmail4.hynix.com [166.125.252.92]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8EDB52701C4; Mon, 19 May 2025 09:18:51 +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=1747646335; cv=none; b=MLgJ4lumi8CBOGeAa553swn0ZNmZE7kIwAvhLoHZoSeUQYnxQM5lDfwSm4tykOltGDEuNHrURFqM1vlvNfY/18iYLZjlkVyO2HbB/4wYd9CjMQxsXs+T2ZgobE2FiEqXPbEUzjdJAFtbx+RFb2kKpDOSs1NgYZl0ptvC7pWx9yA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747646335; c=relaxed/simple; bh=+bd9WiorYKiALUTe/ZE9Twmt5uX3p97amk10CfbvR3w=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=DSHG+3jzSq5mxotQcYjT2obxH5frrQ7GNMrZDCPb0jxJdZqpWinzmXCYMzEL1d2sJMjA/AhB+rHQZZ8slghV/EPukDexyWiEO1aMx2w7IjsTJu4hzDgDHdzteNa/V7dj4dRnMoWKq/SFN1cjwHhLpf5Q1mZWqYXXIxsecSamJiI= 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-d5-682af76ec40c 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 16/42] dept: apply sdt_might_sleep_{start,end}() to hashed-waitqueue wait Date: Mon, 19 May 2025 18:18:00 +0900 Message-Id: <20250519091826.19752-17-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: H4sIAAAAAAAAAzWSa0hTcRjG+5/7VqvTsjxdoBhYaXRZN1/CIvpQByK6fcrosvLUVrpkNi+B oKW1vKWGSqU2NZZtK/XMIKvZcmXZxVaaqehME0nUJGsr0y5z1ZeXh+d539/z5WVw+RNyDqPR nhR0WlWkgpIS0qEpJUu130LUK9xiKHi+GggorLBS4LplQWCtTsag//EWeOcdRDD28hUOBXku BCXdnThU17sR2MtPU9DUOxWaPcMUNOSlU3CmrIKC1wPjGHTk52JgEbdBl6mPgOfZpRgU9FNw peAM5hsfMRg1mWkwJQVBT/llGsa7ldDgbiHB3r4ELhV3UHDf3kBA/Z0eDJruFlLgtv4m4Xn9 UwK8WXPBlZNJws1PpRQMeE04mDzDNLxxGDGoN86CyhQf8OyXXyQ8yXRgcPZaFQbNbfcQ1Bre YyBaWyhwegYxsIl5OPy4/hhBT9YQDakZozRcSc5CkJ6aT0BKxxoY++5rLvqqhOSrlQTc/NmC Nq7nrcVWxDsHh3E+xRbH//C8pXi710jwz0o5vuZyJ82n1LbTvFHU87byEL7sfj/Gl4x4SF40 n6d4cSSX5tOGmjH+U2MjvWNeuDQsQojUxAq65RsOStXVL86j6C4mvsxVgSehLioNSRiOXc0l v3EQaYjx63OvmQmbYhdxra2j+IQOYBdwtsw+Mg1JGZxtmcy9K2pDE8EMdh93u6/QzyHYIO7h C4vfl7FruTb3BeIvfz5nqXT4QRKf357u9O/I2TVcs6WYmIBy7EUJl2Fu/3cwm3tY3kpkI5kR TTIjuUYbG6XSRK5epk7QauKXHT4RJSLfe5kSx/feQSOu3XWIZZBiiqzSHqyWk6rYmISoOsQx uCJAZrYtVstlEaqEU4LuxAGdPlKIqUNzGUIRKFvpjYuQs0dVJ4XjghAt6P6nGCOZk4QODb1f mdH0c5XJvbOA3KW/pe6eduzZWCAzFjTDpT0epHIEdm4K2xOdfyM80TnyISfUPPnisWBDaNvW gYCiR8rY2u3Zyld43PTNOevs1pqnm2f2pAqWKDGscfRQ35HEOLZq/8aFUw0RAZKi+JwmffSD z5se1fQazoX2tjov5C6QrdIriBi1ShmC62JUfwB3y8NxWgMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAAzWSeUiTcRzG+723y9XbMntJshrZsegQMr7QQf/50kUIEQSVQ1/aaq7a8oxA Uzs0zQK1dK6lsmybaZuBHRNztDStZk5T8yamomaHM007ptA/Dx+e58vz/PNlcMlDcgWjVF8Q NGq5SkqJCNGhnamb1T9lim3P6oPAO3GNAF2FhQLXIzMCS1UKBsOvwuHj5CiCmbfvccjPdSG4 39+NQ5WzB4G97DIFLZ8Xgds7TkFDbiYFqSUVFDSPzGLQlXcbA7P1IPQaPQQ05hRjkD9MQWF+ KuaTIQymjSYajMkhMFBWQMNsfyg09LSR4ChqIMHeuQnu6rsoeGFvIMBZPYBByzMdBT2WvyQ0 OusJmMwOAtetLBLKvxRTMDJpxMHoHafhQ60BA6chECrTfK1Xfvwh4XVWLQZXSh9j4O54jqDm Wh8GVksbBQ7vKAY2ay4Ovx68QjCQPUZD+o1pGgpTshFkpucRkNYVBjNTvuWiiVBIuVdJQPnv NrR3D2/RWxDvGB3H+TRbPP/L20rx9kkDwb8p5vinBd00n1bTSfMGayxvK5PxJS+GMf7+dy/J W03XKd76/TbNZ4y5Mf7Lu3f04ZXHRLuiBZUyTtBs3RMpUlQ1XUfnepmEElcFnox6qQzEMBy7 nbvazGQgP4Zi13Pt7dP4HAewqzlblofMQCIGZ9sWch+LOtBcsJQ9zj3x6Kg5JtgQ7mWTed4X szu4jp6bxBxz7CrOXFk7X+Tn8zszHfM3EjaMc5v1RA4SGdACEwpQquNi5EpV2BbtGUWiWpmw JepsjBX5Hsh4afZWNZpoCa9DLIOk/uJK+0aFhJTHaRNj6hDH4NIAscm2QSERR8sTkwTN2ZOa WJWgrUNBDCFdLt53VIiUsKfkF4QzgnBO0PxPMcZvRTLaHfSJjL/U7zwhK22tGxpsX7tpcdN+ pi80OOe0o0q8P5kpPX/6W9JVYdVMju5AY+GJY10B8RPu2fB1g3f8GUOwalnekdTADVO7Wwvd hkbTyHJdRLNLfzE+SuEfQn5dsKagfHBJua6793e9Xlo2HrH4TkTN3jHlZVmSyzPtCda+TpcS WoU8VIZrtPJ/tuvmajwDAAA= 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 hashed-waitqueue waits. Signed-off-by: Byungchul Park --- include/linux/wait_bit.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/wait_bit.h b/include/linux/wait_bit.h index 9e29d79fc790..179a616ad245 100644 --- a/include/linux/wait_bit.h +++ b/include/linux/wait_bit.h @@ -6,6 +6,7 @@ * Linux wait-bit related types and methods: */ #include +#include =20 struct wait_bit_key { unsigned long *flags; @@ -257,6 +258,7 @@ extern wait_queue_head_t *__var_waitqueue(void *p); struct wait_bit_queue_entry __wbq_entry; \ long __ret =3D ret; /* explicit shadow */ \ \ + sdt_might_sleep_start(NULL); \ init_wait_var_entry(&__wbq_entry, var, \ exclusive ? WQ_FLAG_EXCLUSIVE : 0); \ for (;;) { \ @@ -274,6 +276,7 @@ extern wait_queue_head_t *__var_waitqueue(void *p); cmd; \ } \ finish_wait(__wq_head, &__wbq_entry.wq_entry); \ + sdt_might_sleep_end(); \ __out: __ret; \ }) =20 --=20 2.17.1