linux-kernel - Re: [PATCH] wifi: rtw89: add WQ_PERCPU to alloc

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Message-ID: <5fdf75e3-ac2d-44fa-9da2-54f844366dc8@RTKEXHMBS03.realtek.com.tw>
Date: Tue, 23 Dec 2025 11:47:50 +0800
From: Ping-Ke Shih <pkshih@...ltek.com>
To: Marco Crivellari <marco.crivellari@...e.com>,
        <linux-kernel@...r.kernel.org>, <linux-wireless@...r.kernel.org>
CC: Tejun Heo <tj@...nel.org>, Lai Jiangshan <jiangshanlai@...il.com>,
        Frederic Weisbecker <frederic@...nel.org>,
        Sebastian Andrzej Siewior
	<bigeasy@...utronix.de>,
        Marco Crivellari <marco.crivellari@...e.com>,
        Michal
 Hocko <mhocko@...e.com>, Ping-Ke Shih <pkshih@...ltek.com>
Subject: Re: [PATCH] wifi: rtw89: add WQ_PERCPU to alloc_workqueue users

Marco Crivellari <marco.crivellari@...e.com> wrote:

> This continues the effort to refactor workqueue APIs, which began with
> the introduction of new workqueues and a new alloc_workqueue flag in:
> 
>    commit 128ea9f6ccfb ("workqueue: Add system_percpu_wq and system_dfl_wq")
>    commit 930c2ea566af ("workqueue: Add new WQ_PERCPU flag")
> 
> The refactoring is going to alter the default behavior of
> alloc_workqueue() to be unbound by default.
> 
> With the introduction of the WQ_PERCPU flag (equivalent to !WQ_UNBOUND),
> any alloc_workqueue() caller that doesn’t explicitly specify WQ_UNBOUND
> must now use WQ_PERCPU. For more details see the Link tag below.
> 
> In order to keep alloc_workqueue() behavior identical, explicitly request
> WQ_PERCPU.
> 
> Suggested-by: Tejun Heo <tj@...nel.org>
> Signed-off-by: Marco Crivellari <marco.crivellari@...e.com>
> Link: https://lore.kernel.org/all/20250221112003.1dSuoGyc@linutronix.de/

1 patch(es) applied to rtw-next branch of rtw.git, thanks.

36f2deb2f55f wifi: rtw89: add WQ_PERCPU to alloc_workqueue users

---
https://github.com/pkshih/rtw.git