Re: [RFC] [PATCH -rt 5/5] cpufreq: get rid of get_online_cpus()/put_online_cpus()
From: Yong Zhang <hidden>
Date: 2011-10-24 02:44:30
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On Wed, Oct 19, 2011 at 11:12:20AM +0200, Thomas Gleixner wrote:
On Sun, 16 Oct 2011, Yong Zhang wrote:quoted
Fix below false positive (seems this is not a real deadlock scenario) lockdep warning:This looks like you caused it with patch 1.
Hmmm, yup. CPU_DOWN_PREPARE will be under cpu_hotplug.lock.
Both need a bit more thought, but thanks for catching that.
No sure whether it's big issue or not. Mind showing more about your concern? Thanks, Yong