From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Frank Li <Frank.li@nxp.com>
Cc: Marco Crivellari <marco.crivellari@suse.com>,
linux-kernel@vger.kernel.org, linux-i3c@lists.infradead.org,
Tejun Heo <tj@kernel.org>, Lai Jiangshan <jiangshanlai@gmail.com>,
Frederic Weisbecker <frederic@kernel.org>,
Michal Hocko <mhocko@suse.com>,
Alexandre Belloni <alexandre.belloni@bootlin.com>
Subject: Re: [PATCH] i3c: master: add WQ_PERCPU to alloc_workqueue users
Date: Fri, 7 Nov 2025 23:28:30 +0100 [thread overview]
Message-ID: <20251107222830.oPfVHd-_@linutronix.de> (raw)
In-Reply-To: <aQ5d1g95N86lXXT2@lizhi-Precision-Tower-5810>
On 2025-11-07 16:00:06 [-0500], Frank Li wrote:
> > diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
> > index d946db75df70..519b98c37ac7 100644
> > --- a/drivers/i3c/master.c
> > +++ b/drivers/i3c/master.c
> > @@ -2925,7 +2925,7 @@ int i3c_master_register(struct i3c_master_controller *master,
> > if (ret)
> > goto err_put_dev;
> >
> > - master->wq = alloc_workqueue("%s", 0, 0, dev_name(parent));
> > + master->wq = alloc_workqueue("%s", WQ_PERCPU, 0, dev_name(parent));
>
> Maybe off topic, I think it is not neccesary to create wq for IBI at all.
> it can directly use system_bh_wq, or other wq.
Do you really meant system_bh_wq or would system_unbound_wq do the job?
The _bh_ one would imply softirq usage, I don't think you want that.
> Frank
Sebastian
next prev parent reply other threads:[~2025-11-07 22:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-07 13:29 [PATCH] i3c: master: add WQ_PERCPU to alloc_workqueue users Marco Crivellari
2025-11-07 21:00 ` Frank Li
2025-11-07 22:28 ` Sebastian Andrzej Siewior [this message]
2025-11-10 17:00 ` Frank Li
2025-11-10 22:56 ` Alexandre Belloni
2025-11-28 23:32 ` Alexandre Belloni
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