Messages in this thread | | | Date | Wed, 16 Dec 2020 09:50:22 -0500 | From | Tejun Heo <> | Subject | Re: [PATCH 07/10] workqueue: Manually break affinity on hotplug for unbound pool |
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On Mon, Dec 14, 2020 at 11:54:54PM +0800, Lai Jiangshan wrote: > * An unbound pool may end up with a cpumask which doesn't have any online > - * CPUs. When a worker of such pool get scheduled, the scheduler resets > - * its cpus_allowed. If @cpu is in @pool's cpumask which didn't have any > - * online CPU before, cpus_allowed of all its workers should be restored. > + * CPUs. We have to reset workers' cpus_allowed of such pool. And we > + * restore the workers' cpus_allowed when the pool's cpumask has online > + * CPU at the first time after reset. ^ for the first time
-- tejun
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