Re: [PATCH] sched/kthread: Complain loudly when others violate ourflags

[Peter Zijlstra]

On Fri, 2011-09-30 at 10:34 +0200, Peter Zijlstra wrote:
> Introduce a new WQ_NON_AFFINE flag that indicates a per-cpu workqueue
> will not respect cpu affinity and use this to migrate all its pending
> works to whatever cpu is doing cpu-down. 

Forgot to mention, it will also dis-allow queue_work_on() usage for
these workqueues, since that API implies you actually care what cpu the
work runs on, which cannot be guaranteed.
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