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Date: Mon, 20 Dec 2010 17:27:38 +0100 From: Peter Zijlstra <a.p.zijlstra@...llo.nl> To: Frederic Weisbecker <fweisbec@...il.com> Cc: LKML <linux-kernel@...r.kernel.org>, Thomas Gleixner <tglx@...utronix.de>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Ingo Molnar <mingo@...e.hu>, Steven Rostedt <rostedt@...dmis.org>, 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 12/15] clocksource: Ignore nohz task cpu in clocksource watchdog On Mon, 2010-12-20 at 16:24 +0100, Frederic Weisbecker wrote: > > The watchdog should probably make an exception for nohz task cpus > that want to be interrupted the least possible. > > However we probably need to warn the user about that. > > Another solution would be to make this timer defferable. Nah, both skipping a cpu and making the timer deferrable render the watchdog useless, just disable the thing. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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