From mboxrd@z Thu Jan  1 00:00:00 1970
From: Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH v5 00/45] CPU hotplug: stop_machine()-free CPU hotplug
Date: Mon, 18 Feb 2013 10:30:22 -0500
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Cc: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>,
	paulmck@linux.vnet.ibm.com,
	Russell King - ARM Linux <linux@arm.linux.org.uk>,
	linux-doc@vger.kernel.org, peterz@infradead.org,
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To: Vincent Guittot <vincent.guittot@linaro.org>
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On Mon, 2013-02-18 at 11:58 +0100, Vincent Guittot wrote:

> My tests have been done without cpuidle because i have some issues
> with function tracer and cpuidle
> 
> But the cpu hotplug and cpuidle work well when I run the tests without
> enabling the function tracer
> 

I know suspend and resume has issues with function tracing (because it
makes things like calling smp_processor_id() crash the system), but I'm
unaware of issues with hotplug itself. Could be some of the same issues.

Can you give me more details, I'll try to investigate it.

Thanks,

-- Steve