Messages in this thread | | | Date | Mon, 20 May 2013 15:10:42 +0530 | Subject | Re: NOHZ: WARNING: at arch/x86/kernel/smp.c:123 native_smp_send_reschedule, round 2 | From | Viresh Kumar <> |
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On 20 May 2013 15:01, Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> wrote: > And Viresh, in the regular hotplug paths, the call to gov_cancel_work() is > supposed to kill any pending workqueue functions pertaining to offline CPUs > right?
Yes.. It will cancel work for all cpus first and will start again for online cpus again.
> Could there be a synchronization bug somewhere due to which this > might not be happening properly?
Not sure.. I have seen mutex's are used well in cpufreq_governor.. don't know if I missed something.
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