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Message-ID: <1351869241.4004.142.camel@gandalf.local.home>
Subject: Re: [PATCH 00/32] [RFC] nohz/cpuset: Start discussions on nohz CPUs
From: Steven Rostedt <rostedt@goodmis.org>
To: Christoph Lameter <cl@linux.com>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Peter Zijlstra <peterz@infradead.org>,
        Clark Williams <clark.williams@gmail.com>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        Li Zefan <lizf@cn.fujitsu.com>, Ingo Molnar <mingo@kernel.org>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        Mike Galbraith <efault@gmx.de>
Date: Fri, 02 Nov 2012 11:14:01 -0400
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References: <20121029202711.062749374@goodmis.org>
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On Fri, 2012-11-02 at 15:03 +0000, Christoph Lameter wrote:
> On Fri, 2 Nov 2012, Steven Rostedt wrote:
> 
> > > also it would be best to sync this conceptually with the processors
> > > enabled for rcu processing.
> >
> > Processors can be disabled for rcu processing? Or are you talking about
> > Paul's new work of offloading rcu callbacks?
> 
> Yes. Paul's new work to remove rcu processing from processors. That needs
> to be synced configuration wise somehow. It does not make sense to process
> rcu callbacks on processors where the timer tick does not work anymore.

Don't worry, Paul is working with us too ;-)

-- Steve


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