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We don't need to push away tasks when we come online, mark the push complete right before the CPU dies. XXX hotplug state machine has trouble with rollback here. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Valentin Schneider <valentin.schneider@arm.com> Tested-by: Valentin Schneider <valentin.schneider@arm.com> Link: https://lkml.kernel.org/r/20210121103506.415606087@infradead.org