Re: [PATCH 2/3] rcu: Create rcu_sync infrastructure

[Peter Zijlstra]

On Fri, Oct 04, 2013 at 03:31:35PM +0200, Oleg Nesterov wrote:
> > I'm really starting to think we shouldn't do this in rcu_sync at all.
> 
> I do not really understand why you insist that rcu_sync() should not
> try to help to the users which need the exclusive mode.

But what other users; you yourself said that percpu-rwsem isn't one for
long if ever.
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