void csky_start_secondary()

in kernel/smp.c [251:283]

• 24 lines of code
• 1 McCabe index (conditional complexity)

void csky_start_secondary(void)
{
	struct mm_struct *mm = &init_mm;
	unsigned int cpu = smp_processor_id();

	mtcr("cr31", secondary_hint);
	mtcr("cr<21, 1>", secondary_hint2);
	mtcr("cr18", secondary_ccr);

	mtcr("vbr", vec_base);

	flush_tlb_all();
	write_mmu_pagemask(0);

#ifdef CONFIG_CPU_HAS_FPU
	init_fpu();
#endif

	enable_percpu_irq(ipi_irq, 0);

	mmget(mm);
	mmgrab(mm);
	current->active_mm = mm;
	cpumask_set_cpu(cpu, mm_cpumask(mm));

	notify_cpu_starting(cpu);
	set_cpu_online(cpu, true);

	pr_info("CPU%u Online: %s...\n", cpu, __func__);

	local_irq_enable();
	cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
}