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	#ifndef EARLY_AP_STARTUP			#ifndef EARLY_AP_STARTUP
	/* Start per-CPU event timers. */			/* Start per-CPU event timers. */
	cpu_initclocks_ap();			cpu_initclocks_ap();
	#endif			#endif

	kcsan_cpu_init(cpuid);			kcsan_cpu_init(cpuid);

				/*
				* Assert that smp_after_idle_runnable condition is reasonable.
				*/
				MPASS(PCPU_GET(curpcb) == NULL);

	sched_throw(NULL);			sched_throw(NULL);

	panic("scheduler returned us to %s", __func__);			panic("scheduler returned us to %s", __func__);
	/* NOTREACHED */			/* NOTREACHED */
	}			}

	static void			static void
	smp_after_idle_runnable(void *arg __unused)			smp_after_idle_runnable(void *arg __unused)
	{			{
	struct pcpu *pc;			struct pcpu *pc;
	int cpu;			int cpu;

	for (cpu = 1; cpu < mp_ncpus; cpu++) {			for (cpu = 1; cpu < mp_ncpus; cpu++) {
	pc = pcpu_find(cpu);			pc = pcpu_find(cpu);
	while (atomic_load_ptr(&pc->pc_curthread) == (uintptr_t)NULL)			while (atomic_load_ptr(&pc->pc_curpcb) == (uintptr_t)NULL)
	cpu_spinwait();			cpu_spinwait();
	kmem_free((vm_offset_t)bootstacks[cpu], kstack_pages *			kmem_free((vm_offset_t)bootstacks[cpu], kstack_pages *
	PAGE_SIZE);			PAGE_SIZE);
	}			}
	}			}
	SYSINIT(smp_after_idle_runnable, SI_SUB_SMP, SI_ORDER_ANY,			SYSINIT(smp_after_idle_runnable, SI_SUB_SMP, SI_ORDER_ANY,
	smp_after_idle_runnable, NULL);			smp_after_idle_runnable, NULL);

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