Hi, Herbert, The scalability of current cryptd implementation is not good. So a per-CPU cryptd kthread implementation is necessary. The per-CPU kthread pool implementation need to consider many issues such as CPU hotplug, so I suggest to base cryptd kthread implementation on workqueue, that is, create a dedicate workqueue for crypto subsystem. This way, chainiv can use this crypto workqueue too. I will implement it if you have no plan to do it yourself. Best Regards, Huang Ying
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