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SubjectRe: [PATCH wq/for-3.6-fixes 3/3] workqueue: fix possible idle worker depletion during CPU_ONLINE
Hello, Lai.

On Sun, Sep 09, 2012 at 01:18:25AM +0800, Lai Jiangshan wrote:
> > + /*
> > + * CPU hotplug could have scheduled rebind_work while we're
> > + * waiting for manager_mutex. Rebind before doing anything
> > + * else. This has to be handled here. worker_thread()
> > + * will be confused by the unexpected work item.
> > + */
> > + process_scheduled_works(worker);
>
> hotplug code can't iterate manager. not rebind_work() nor UNBOUND for manager.

Ah, right. It isn't either on idle or busy list. Maybe have
pool->manager pointer?

Thanks.

--
tejun


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