linux-kernel - Re: [PATCH 00/32] [RFC] nohz/cpuset: Start discussions on nohz CPUs

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Message-ID: <0000013ad125d4dd-180f5394-cb25-4b59-b6e0-8e9504564cf6-000000@email.amazonses.com>
Date:	Mon, 5 Nov 2012 15:17:28 +0000
From:	Christoph Lameter <cl@...ux.com>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
cc:	Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Clark Williams <clark.williams@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Li Zefan <lizf@...fujitsu.com>, Ingo Molnar <mingo@...nel.org>,
	Mike Galbraith <efault@....de>
Subject: Re: [PATCH 00/32] [RFC] nohz/cpuset: Start discussions on nohz
 CPUs

On Fri, 2 Nov 2012, Paul E. McKenney wrote:

> On Fri, Nov 02, 2012 at 04:51:50PM -0400, Steven Rostedt wrote:
> > On Fri, 2012-11-02 at 13:41 -0700, Paul E. McKenney wrote:
> >
> > > The no-CBs mask would be read-only for some time -- changed only at
> > > boot.  Longer term, I hope to allow run-time modification, but...
> >
> > but what? You're not looking to retire already are you? ;-)
>
> Not for a few decades.  ;-)
>
> But let's add the no-CBs mask to sysfs when I add the ability to run-time
> modify that mast.

Well we are creating a user ABi with the boot time option. It would be
best to get it right out of the door.

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