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SubjectIssue: Can padata avoid dealing with CPU-related operations?
Hello, I have a few questions about the padata code I've been studying recently:

- Why does padata use the WQ_UNBOUND attribute of the workqueue? Because I've noticed a significant maintenance cost related to CPUs. Are there any specific benefits?

- In what scenarios is it necessary to specify a CPU for serial execution, or is ensuring the order sufficient?

In fact, the two questions can be summarized into one: Is it possible to avoid handling CPU-related operations to simplify the code logic?

Thanks.

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