Re: [ANNOUNCE] 3.8-rc6-nohz4

From: Mike Galbraith
Date: Fri Feb 08 2013 - 01:18:36 EST

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?



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