x86/smpboot: Remove a stray comment about CPU hotplug
This old comment is irrelavant to the logic of disabling interrupts and could be misleading. Remove it. Now, hlt_play_dead() resembles the code that the comment was initially added for, but, it doesn't make sense anymore because an offlined cpu could also be put into other states such as mwait. Signed-off-by: Sohil Mehta <sohil.mehta@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20230727180533.3119660-2-sohil.mehta@intel.com
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