linux-kernel - Re: [RFC PATCH 00/15] Nohz task support

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Message-ID: <20101221131311.GA1750@nowhere>
Date:	Tue, 21 Dec 2010 14:13:15 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Paul E . McKenney" <paulmck@...ux.vnet.ibm.com>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Anton Blanchard <anton@....ibm.com>,
	Tim Pepper <lnxninja@...ux.vnet.ibm.com>
Subject: Re: [RFC PATCH 00/15] Nohz task support

On Tue, Dec 21, 2010 at 08:34:38AM +0100, Peter Zijlstra wrote:
> On Tue, 2010-12-21 at 00:33 +0100, Frederic Weisbecker wrote:
> > So, we still need the syscalls slow path hooks.
> 
> Make it a cpuset property or something.

Hm, but I don't understand how cpusets can help about that.

You mean I could use cpuset to define a range of cpus on which
I can run nohz tasks? And then set the TIF flags on those threads
and so?
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