How can I disable (and re-enable) CPU in SMP mode without a reboot?
Updated -
Red Hat Enterprise Linux supports cpu-hotplug, such that multiple CPUs can be disabled and re-enabled without reboot.
In /sys/devices/system/cpu directory, there are entries for all present cpu. There is an online file under each directory which can control the process online/offline status logically. The online file may not present in...
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