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

[Paul E. McKenney]

On Thu, Aug 06, 2009 at 05:24:46PM +0200, Peter Zijlstra wrote:
> 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.

That would indeed justify an rwsem!  ;-)

							Thanx, Paul
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