Re: [RFC 3/9] workqueue: require CPU hotplug read exclusion for apply_workqueue_attrs

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On Thu, Jul 25, 2019 at 05:24:59PM -0400, Daniel Jordan wrote:
> Change the calling convention for apply_workqueue_attrs to require CPU
> hotplug read exclusion.
> 
> Avoids lockdep complaints about nested calls to get_online_cpus in a
> future patch where padata calls apply_workqueue_attrs when changing
> other CPU-hotplug-sensitive data structures with the CPU read lock
> already held.
> 
> Signed-off-by: Daniel Jordan <daniel.m.jordan@xxxxxxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Please feel free to route with the rest of the patchset.

Thanks.

-- 
tejun



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