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SubjectRe: [PATCHSET] workqueue: remove gcwq and make worker_pool the only backend abstraction
On Wed, Jan 16, 2013 at 05:42:32PM -0800, Tejun Heo wrote:
> Currently, on the backend side, there are two layers of abstraction.
> For each CPU and the special unbound wq-specific CPU, there's one
> global_cwq. gcwq in turn hosts two worker_pools - one for normal
> priority, the other for highpri - each of which actually serves the
> work items.
>
> worker_pool is the later addition to support separate pool of workers
> for highpri workqueues. Stuff was moved to worker_pool on as-needed
> basis and, as a result, the two pools belonging to the same CPU share
> some stuff in the gcwq - most notably the lock and the hash table for
> work items currently being executed.

Applied to wq/for-3.9.

Thanks!

--
tejun


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