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DateSat, 22 Jul 2006 22:34:25 -0700
FromAndrew Morton <>
SubjectRe: remove cpu hotplug bustification in cpufreq.
On Sat, 22 Jul 2006 18:15:32 -0700 (PDT)
Linus Torvalds <torvalds@osdl.org> wrote:

> > > On Sat, 22 Jul 2006, Andrew Morton wrote:> > > > It was just wrong in conception.  We should not and probably cannot fix it.
> > Let's just delete it all, then implement version 2.> > Well, I just got Ashok's trial patches which turns the thing into a rwsem 
> as I outlined earlier.

Mark my words ;)

> 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()?
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