Re: [PATCH] percpu: preemptless __per_cpu_counter_add

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On Thu, Apr 28, 2011 at 05:31:01PM +0200, Tejun Heo wrote:
> > The hugely expensive _sum() is IMHO pretty useless given the above. It is
> > a function that is called with the *hope* of getting a more accurate
> > result.
...
> Christoph, I'm sorry but I really can't explain it any better and am
> out of this thread.  If you still wanna proceed, you'll need to route
> the patches yourself.  Please keep me cc'd.

Oh, another way to proceed would be, if _sum() is as useless as you
suggested above, remove _sum() first and see how that goes.  If that
flies, there will be no reason to argue over anything, right?

Thanks.

-- 
tejun

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