On Wed, 2 Jan 2008, Dave Young wrote:
> > Around a month ago I had a discussion with Peter Zijlstra about the
> > problems in converting the device semaphores to mutexes; you may be
> > able to find it in the LKML archives. Doing the conversion while
> > keeping lockdep happy is a very hard problem and we were not able to
> > solve it.
> >
>
> It's unfortunate to know this, I will search and read your thread.
Here's a pointer to that thread:
http://marc.info/?t=119411942200002&r=1&w=2
Alan Stern
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