linux-kernel - Re: [PATCH v2] wifi: mt76: replace use of system_wq with system_percpu

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Message-ID: <CAGp9Lzoj2jeGF+t-UP0gAykCZ96-OkjummeJRGniYfagvY-BPA@mail.gmail.com>
Date: Mon, 29 Dec 2025 17:41:53 -0600
From: Sean Wang <sean.wang@...nel.org>
To: Marco Crivellari <marco.crivellari@...e.com>
Cc: linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, 
	Tejun Heo <tj@...nel.org>, Lai Jiangshan <jiangshanlai@...il.com>, 
	Frederic Weisbecker <frederic@...nel.org>, Sebastian Andrzej Siewior <bigeasy@...utronix.de>, 
	Michal Hocko <mhocko@...e.com>, Felix Fietkau <nbd@....name>, Lorenzo Bianconi <lorenzo@...nel.org>, 
	Ryder Lee <ryder.lee@...iatek.com>, Matthias Brugger <matthias.bgg@...il.com>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Subject: Re: [PATCH v2] wifi: mt76: replace use of system_wq with system_percpu_wq

On Wed, Dec 24, 2025 at 9:27 AM Marco Crivellari
<marco.crivellari@...e.com> wrote:
>
> On Fri, Nov 14, 2025 at 11:43 AM Marco Crivellari
> <marco.crivellari@...e.com> wrote:
> >[...]
> >  drivers/net/wireless/mediatek/mt76/mt7921/init.c | 2 +-
> >  drivers/net/wireless/mediatek/mt76/mt7925/init.c | 2 +-
> >  2 files changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
> > index b9098a7331b1..95764b82da39 100644
> > --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
> > +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
> > @@ -343,7 +343,7 @@ int mt7921_register_device(struct mt792x_dev *dev)
> >         dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask;
> >         dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask;
> >
> > -       queue_work(system_wq, &dev->init_work);
> > +       queue_work(system_percpu_wq, &dev->init_work);
> >
> >         return 0;
> >  }
> > diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/init.c b/drivers/net/wireless/mediatek/mt76/mt7925/init.c
> > index d7d5afe365ed..e33ab4849e8a 100644
> > --- a/drivers/net/wireless/mediatek/mt76/mt7925/init.c
> > +++ b/drivers/net/wireless/mediatek/mt76/mt7925/init.c
> > @@ -420,7 +420,7 @@ int mt7925_register_device(struct mt792x_dev *dev)
> >         dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask;
> >         dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask;
> >
> > -       queue_work(system_wq, &dev->init_work);
> > +       queue_work(system_percpu_wq, &dev->init_work);
> >
> >         return 0;
> >  }
>
>
> Gentle ping.
>
> Thanks!

Hi Marco,

The patch has been queued in the mt76 tree. Thanks for your work on this.
https://github.com/nbd168/wireless/commit/ee518f914cd901c16fa08a6f228b266551f72a6a

            Sean

>
> --
>
> Marco Crivellari
>
> L3 Support Engineer
>