Linux offline individual non boot CPU in SMP cortex-CA7

Hi, Sir

 

        We hope to do offline individual non-boot CPU of SMP cortex-CA7 in Linux.

        But CPU0 is always alive.

        Could we just save/restore non-boot CPU registers and let the specified CPU power down/wake up ?

        Does this result to unstable status to Linux ?

        Thank you for your help.

 

Best Regards,

Alex

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