Received-SPF: pass (google.com: domain of linux-kernel+bounces-123383-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99;
Precedence: bulk
MIME-Version: 1.0
References: <20240327160314.9982-1-apais@linux.microsoft.com>
 <20240327160314.9982-5-apais@linux.microsoft.com> <42c445b4-a156-4c43-bf98-bd2a9ac7a4fa@rowland.harvard.edu>
In-Reply-To: <42c445b4-a156-4c43-bf98-bd2a9ac7a4fa@rowland.harvard.edu>
From: Allen <allen.lkml@gmail.com>
Date: Thu, 28 Mar 2024 10:54:07 -0700
Message-ID: <CAOMdWS+4T7rw577q9iW_oin8bbVF4m6Mpx-L2riqno5QX_L=WQ@mail.gmail.com>
Subject: Re: [PATCH 4/9] USB: Convert from tasklet to BH workqueue
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Allen Pais <apais@linux.microsoft.com>, linux-kernel@vger.kernel.org, tj@kernel.org, 
	keescook@chromium.org, vkoul@kernel.org, marcan@marcan.st, sven@svenpeter.dev, 
	florian.fainelli@broadcom.com, rjui@broadcom.com, sbranden@broadcom.com, 
	paul@crapouillou.net, Eugeniy.Paltsev@synopsys.com, 
	manivannan.sadhasivam@linaro.org, vireshk@kernel.org, Frank.Li@nxp.com, 
	leoyang.li@nxp.com, zw@zh-kernel.org, wangzhou1@hisilicon.com, 
	haijie1@huawei.com, shawnguo@kernel.org, s.hauer@pengutronix.de, 
	sean.wang@mediatek.com, matthias.bgg@gmail.com, 
	angelogioacchino.delregno@collabora.com, afaerber@suse.de, 
	logang@deltatee.com, daniel@zonque.org, haojian.zhuang@gmail.com, 
	robert.jarzmik@free.fr, andersson@kernel.org, konrad.dybcio@linaro.org, 
	orsonzhai@gmail.com, baolin.wang@linux.alibaba.com, zhang.lyra@gmail.com, 
	patrice.chotard@foss.st.com, linus.walleij@linaro.org, wens@csie.org, 
	jernej.skrabec@gmail.com, peter.ujfalusi@gmail.com, kys@microsoft.com, 
	haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, 
	jassisinghbrar@gmail.com, mchehab@kernel.org, maintainers@bluecherrydvr.com, 
	aubin.constans@microchip.com, ulf.hansson@linaro.org, manuel.lauss@gmail.com, 
	mirq-linux@rere.qmqm.pl, jh80.chung@samsung.com, oakad@yahoo.com, 
	hayashi.kunihiko@socionext.com, mhiramat@kernel.org, brucechang@via.com.tw, 
	HaraldWelte@viatech.com, pierre@ossman.eu, duncan.sands@free.fr, 
	oneukum@suse.com, openipmi-developer@lists.sourceforge.net, 
	dmaengine@vger.kernel.org, asahi@lists.linux.dev, 
	linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, 
	linux-mips@vger.kernel.org, imx@lists.linux.dev, 
	linuxppc-dev@lists.ozlabs.org, linux-mediatek@lists.infradead.org, 
	linux-actions@lists.infradead.org, linux-arm-msm@vger.kernel.org, 
	linux-riscv@lists.infradead.org, linux-sunxi@lists.linux.dev, 
	linux-tegra@vger.kernel.org, linux-hyperv@vger.kernel.org, 
	linux-rdma@vger.kernel.org, linux-media@vger.kernel.org, 
	linux-mmc@vger.kernel.org, linux-omap@vger.kernel.org, 
	linux-renesas-soc@vger.kernel.org, linux-s390@vger.kernel.org, 
	netdev@vger.kernel.org, linux-usb@vger.kernel.org
Content-Type: text/plain; charset="UTF-8"

> >
> > This patch converts drivers/infiniband/* from tasklet to BH workqueue.
> >
> > Based on the work done by Tejun Heo <tj@kernel.org>
> > Branch: https://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git for-6.10
> >
> > Signed-off-by: Allen Pais <allen.lkml@gmail.com>
> > ---
>
> > diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
> > index c0e005670d67..88d8e1c366cd 100644
> > --- a/drivers/usb/core/hcd.c
> > +++ b/drivers/usb/core/hcd.c
>
> > @@ -1662,10 +1663,9 @@ static void __usb_hcd_giveback_urb(struct urb *urb)
> >       usb_put_urb(urb);
> >  }
> >
> > -static void usb_giveback_urb_bh(struct work_struct *work)
> > +static void usb_giveback_urb_bh(struct work_struct *t)
> >  {
> > -     struct giveback_urb_bh *bh =
> > -             container_of(work, struct giveback_urb_bh, bh);
> > +     struct giveback_urb_bh *bh = from_work(bh, t, bh);
> >       struct list_head local_list;
> >
> >       spin_lock_irq(&bh->lock);
>
> Is there any reason for this apparently pointless change of a local
> variable's name?

 No, it was done just to keep things consistent across the kernel.
I can revert it back to *work if you'd prefer.

Thanks.

>
> Alan Stern
>


-- 
       - Allen