[Devel] Re: [PATCH 6/6] Makes procs file writable to move all threads by tgid at once

[Peter Zijlstra]

On Thu, 2009-08-06 at 08:19 -0700, Paul E. McKenney wrote:
> 
> > So yes, putting a rwsem in there sounds fine, you're already bouncing
> > it.
> 
> If the critical section is small, is an rwsem really better than a
> straight mutex?

Well, my understanding was that it needed to surround much, if not all,
of clone(). That's a rather large bit of code.

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