linux-kernel - Re: [PATCH] Driver core: fix race in __device_release

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Message-ID: <20071116205618.GA12133@kroah.com>
Date:	Fri, 16 Nov 2007 12:56:18 -0800
From:	Greg KH <greg@...ah.com>
To:	David Woodhouse <dwmw2@...radead.org>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	USB development list <linux-usb-devel@...ts.sourceforge.net>,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Driver core: fix race in __device_release_driver

On Fri, Nov 16, 2007 at 03:45:55PM -0500, David Woodhouse wrote:
> On Fri, 2007-11-16 at 12:37 -0800, Greg KH wrote:
> > Is this something that you all feel is worth getting in for 2.6.24?
> > Does it fix a regression that just showed up, or is just a bugfix for
> > something that people finally realized has always been there?
> 
> The latter. We just happen to kick the wireless device in the head by
> toggling its out-of-band reset signal when we unload the driver, which
> causes us to trigger this "unlikely" race with almost 100% reliability.
> But it's always been there, AFAICT.
> 
> > Can it wait for 2.6.25 to get some more testing in -mm?
> 
> Yeah, I think so.

Thanks for letting me know, I'll add it to the proper place in my queue.

greg k-h
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