powercap/intel_rapl: Track active CPUs internally
The ability of the CPU hotplug code to stop online/offline at each step makes it necessary to track the activated CPUs in a package directly, because outerwise a CPU offline callback can find CPUs which have already executed the offline callback, but are not yet marked offline in the topology mask. That could make such a CPU the package leader and in case that CPU goes fully offline leave the package lead orphaned. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Tested-by: NJacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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