Re: [ANNOUNCE] 3.8-rc6-nohz4

[Mike Galbraith]

On Thu, 2013-02-07 at 19:14 +0000, Christoph Lameter wrote: 
> On Thu, 7 Feb 2013, Frederic Weisbecker wrote:
> 
> > Not with hrtick.
> 
> hrtick? Did we not already try that a couple of years back and it turned
> out that the overhead of constantly reprogramming a timer via the PCI bus
> was causing too much of a performance regression?

Yup.

-Mike

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