Date: Tue, 26 Mar 2013 09:15:27 +0100
From: Ingo Molnar <mingo@kernel.org>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Chris Metcalf <cmetcalf@tilera.com>, Christoph Lameter <cl@linux.com>,
        Geoff Levand <geoff@infradead.org>,
        Gilad Ben Yossef <gilad@benyossef.com>,
        Hakan Akkan <hakanakkan@gmail.com>, Kevin Hilman <khilman@linaro.org>,
        Li Zhong <zhong@linux.vnet.ibm.com>,
        Namhyung Kim <namhyung.kim@lge.com>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        Paul Gortmaker <paul.gortmaker@windriver.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [GIT PULL] nohz: Full dynticks base interface
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* Frederic Weisbecker <fweisbec@gmail.com> wrote:

> > That way I will be able to test it automatically via randconfig and 
> > such.
> 
> Sure, I'm adding such an option.
> 
> > My next question/request after that would be: could we make sure that 
> > enabling this option does not break any applications or kernel 
> > functionality, ASAP? Once that is offered, it becomes pushable to 
> > v3.10 I think.
> 
> So that's already the case. I'm careful that, as we iterate, the changes 
> aren't supposed to break something in the middle. the final code that 
> eventually shuts the tick down should be the last one in the series: 
> once we know it is safe to do so.

I mean, with the .config (or boot) option enabled, with tip:timers/nohz 
as-is, will everything work? We cannot push a feature to Linus that 
doesn't work reliably when enabled ...

Thanks,

	Ingo
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