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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


  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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