netdev - Re: [PATCH 4/9] USB: Convert from tasklet to BH workqueue

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAOMdWS+4T7rw577q9iW_oin8bbVF4m6Mpx-L2riqno5QX_L=WQ@mail.gmail.com>
Date: Thu, 28 Mar 2024 10:54:07 -0700
From: Allen <allen.lkml@...il.com>
To: Alan Stern <stern@...land.harvard.edu>
Cc: Allen Pais <apais@...ux.microsoft.com>, linux-kernel@...r.kernel.org, tj@...nel.org, 
	keescook@...omium.org, vkoul@...nel.org, marcan@...can.st, sven@...npeter.dev, 
	florian.fainelli@...adcom.com, rjui@...adcom.com, sbranden@...adcom.com, 
	paul@...pouillou.net, Eugeniy.Paltsev@...opsys.com, 
	manivannan.sadhasivam@...aro.org, vireshk@...nel.org, Frank.Li@....com, 
	leoyang.li@....com, zw@...kernel.org, wangzhou1@...ilicon.com, 
	haijie1@...wei.com, shawnguo@...nel.org, s.hauer@...gutronix.de, 
	sean.wang@...iatek.com, matthias.bgg@...il.com, 
	angelogioacchino.delregno@...labora.com, afaerber@...e.de, 
	logang@...tatee.com, daniel@...que.org, haojian.zhuang@...il.com, 
	robert.jarzmik@...e.fr, andersson@...nel.org, konrad.dybcio@...aro.org, 
	orsonzhai@...il.com, baolin.wang@...ux.alibaba.com, zhang.lyra@...il.com, 
	patrice.chotard@...s.st.com, linus.walleij@...aro.org, wens@...e.org, 
	jernej.skrabec@...il.com, peter.ujfalusi@...il.com, kys@...rosoft.com, 
	haiyangz@...rosoft.com, wei.liu@...nel.org, decui@...rosoft.com, 
	jassisinghbrar@...il.com, mchehab@...nel.org, maintainers@...echerrydvr.com, 
	aubin.constans@...rochip.com, ulf.hansson@...aro.org, manuel.lauss@...il.com, 
	mirq-linux@...e.qmqm.pl, jh80.chung@...sung.com, oakad@...oo.com, 
	hayashi.kunihiko@...ionext.com, mhiramat@...nel.org, brucechang@....com.tw, 
	HaraldWelte@...tech.com, pierre@...man.eu, duncan.sands@...e.fr, 
	oneukum@...e.com, openipmi-developer@...ts.sourceforge.net, 
	dmaengine@...r.kernel.org, asahi@...ts.linux.dev, 
	linux-arm-kernel@...ts.infradead.org, linux-rpi-kernel@...ts.infradead.org, 
	linux-mips@...r.kernel.org, imx@...ts.linux.dev, 
	linuxppc-dev@...ts.ozlabs.org, linux-mediatek@...ts.infradead.org, 
	linux-actions@...ts.infradead.org, linux-arm-msm@...r.kernel.org, 
	linux-riscv@...ts.infradead.org, linux-sunxi@...ts.linux.dev, 
	linux-tegra@...r.kernel.org, linux-hyperv@...r.kernel.org, 
	linux-rdma@...r.kernel.org, linux-media@...r.kernel.org, 
	linux-mmc@...r.kernel.org, linux-omap@...r.kernel.org, 
	linux-renesas-soc@...r.kernel.org, linux-s390@...r.kernel.org, 
	netdev@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH 4/9] USB: Convert from tasklet to BH workqueue

> >
> > This patch converts drivers/infiniband/* from tasklet to BH workqueue.
> >
> > Based on the work done by Tejun Heo <tj@...nel.org>
> > Branch: https://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git for-6.10
> >
> > Signed-off-by: Allen Pais <allen.lkml@...il.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