From owner-freebsd-hackers@FreeBSD.ORG  Fri Apr 27 06:50:24 2007
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From: Hans Petter Selasky <hselasky@c2i.net>
To: "Bosko Milekic" <bosko.milekic@gmail.com>
Date: Fri, 27 Apr 2007 07:50:04 +0200
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Cc: freebsd-hackers@freebsd.org
Subject: Re: msleep() on recursivly locked mutexes
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On Thursday 26 April 2007 23:52, Bosko Milekic wrote:
> On 4/26/07, Hans Petter Selasky <hselasky@c2i.net> wrote:
> > Hi,
> >
> > In the new USB stack I have defined the following:
>
> Could you perhaps describe some of the codepaths in the USB stack that
> require this behavior?

There are no requirements for that. It is just for the convenience of unwary 
USB device driver developers.

--HPS