From: Marco Crivellari <marco.crivellari@suse.com>
To: linux-kernel@vger.kernel.org
Cc: Tejun Heo <tj@kernel.org>, Lai Jiangshan <jiangshanlai@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
Frederic Weisbecker <frederic@kernel.org>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Marco Crivellari <marco.crivellari@suse.com>,
Michal Hocko <mhocko@suse.com>
Subject: [PATCH v5 3/3] [Doc] Workqueue: add WQ_PERCPU
Date: Sat, 14 Jun 2025 15:35:31 +0200 [thread overview]
Message-ID: <20250614133531.76742-4-marco.crivellari@suse.com> (raw)
In-Reply-To: <20250614133531.76742-1-marco.crivellari@suse.com>
Workqueue documentation upgraded with the description
of the new added flag, WQ_PERCPU.
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
---
Documentation/core-api/workqueue.rst | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/core-api/workqueue.rst b/Documentation/core-api/workqueue.rst
index e295835fc116..165ca73e8351 100644
--- a/Documentation/core-api/workqueue.rst
+++ b/Documentation/core-api/workqueue.rst
@@ -183,6 +183,12 @@ resources, scheduled and executed.
BH work items cannot sleep. All other features such as delayed queueing,
flushing and canceling are supported.
+``WQ_PERCPU``
+ Work items queued to a per-cpu wq are bound to a specific CPU.
+ This flag is the right choice when cpu locality is important.
+
+ This flag is the complement of ``WQ_UNBOUND``.
+
``WQ_UNBOUND``
Work items queued to an unbound wq are served by the special
worker-pools which host workers which are not bound to any
--
2.49.0
next prev parent reply other threads:[~2025-06-14 13:35 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-14 13:35 [PATCH v5 0/3] Workqueue: add WQ_PERCPU, system_dfl_wq and system_percpu_wq Marco Crivellari
2025-06-14 13:35 ` [PATCH v5 1/3] Workqueue: add system_percpu_wq and system_dfl_wq Marco Crivellari
2025-06-23 23:49 ` Hillf Danton
2025-06-14 13:35 ` [PATCH v5 2/3] Workqueue: add new WQ_PERCPU flag Marco Crivellari
2025-06-14 13:35 ` Marco Crivellari [this message]
2025-06-16 18:35 ` [PATCH v5 0/3] Workqueue: add WQ_PERCPU, system_dfl_wq and system_percpu_wq Tejun Heo
2025-06-17 13:08 ` Frederic Weisbecker
2025-06-17 18:14 ` Tejun Heo
2025-06-17 18:54 ` Tejun Heo
2025-06-20 16:13 ` Marco Crivellari
2025-06-23 19:23 ` Tejun Heo
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