Re: remove cpu hotplug bustification in cpufreq.

From: Ingo Molnar
Date: Sun Jul 23 2006 - 12:28:06 EST

* Andrew Morton <akpm@xxxxxxxx> wrote:

> > I'll try them out. If they don't work, we should just delete the
> > lock and go totally back to square 1.
> rwsem conversion has the potential to merely hide the problem. Ingo,
> does lockdep detect recursive down_read()?

yeah, it does - there are a couple of testcases for it too, in the

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