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Date: Tue, 21 Dec 2010 16:14:32 +0100
From: Frederic Weisbecker <fweisbec@gmail.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
        LKML <linux-kernel@vger.kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        Ingo Molnar <mingo@elte.hu>, Lai Jiangshan <laijs@cn.fujitsu.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Anton Blanchard <anton@au1.ibm.com>,
        Tim Pepper <lnxninja@linux.vnet.ibm.com>
Subject: Re: [RFC PATCH 04/15] nohz_task: Stop the tick when the nohz task
 runs alone
Message-ID: <20101221151430.GK1750@nowhere>
References: <1292858662-5650-1-git-send-email-fweisbec@gmail.com>
 <1292858662-5650-5-git-send-email-fweisbec@gmail.com>
 <1292860299.5021.8.camel@laptop>
 <20101220233659.GB1715@nowhere>
 <1292916958.5021.171.camel@laptop>
 <20101221132226.GB1750@nowhere>
 <1292942079.22905.125.camel@gandalf.stny.rr.com>
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On Tue, Dec 21, 2010 at 09:34:39AM -0500, Steven Rostedt wrote:
> On Tue, 2010-12-21 at 14:22 +0100, Frederic Weisbecker wrote:
> > On Tue, Dec 21, 2010 at 08:35:58AM +0100, Peter Zijlstra wrote:
> 
> > > No, and that worries me, you don't even seem to know what the tick does
> > > and yet you're working on stopping it.
> > 
> > Yeah, I've been focusing a lot on preemption and rcu because they seemed
> > to be the trickiest part of the thing, and I in the meantime I just forgot
> > the rest or tagged it too quickly as details to deal with later. And I
> > finally forgot them :)
> > 
> > Bah it's a first take, it can only improve ;)
> 
> Exactly!
> 
> This is an RFC, a "release early, release often" approach. And you Cc'd
> all the right people. This is not something I expect to make into 2.6.38
> though ;-)


No, even before posting I was way from expecting it for .38 ;)
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