void __init setup_cpuinfo()

in kernel/cpu/cpuinfo.c [91:123]

• 27 lines of code
• 5 McCabe index (conditional complexity)

void __init setup_cpuinfo(void)
{
	cpu = of_get_cpu_node(0, NULL);
	if (!cpu)
		pr_err("You don't have cpu or are missing cpu reg property!!!\n");

	pr_info("%s: initialising\n", __func__);

	switch (cpu_has_pvr()) {
	case 0:
		pr_warn("%s: No PVR support. Using static CPU info from FDT\n",
			__func__);
		set_cpuinfo_static(&cpuinfo, cpu);
		break;
/* FIXME I found weird behavior with MB 7.00.a/b 7.10.a
 * please do not use FULL PVR with MMU */
	case 1:
		pr_info("%s: Using full CPU PVR support\n",
			__func__);
		set_cpuinfo_static(&cpuinfo, cpu);
		set_cpuinfo_pvr_full(&cpuinfo, cpu);
		break;
	default:
		pr_warn("%s: Unsupported PVR setting\n", __func__);
		set_cpuinfo_static(&cpuinfo, cpu);
	}

	if (cpuinfo.mmu_privins)
		pr_warn("%s: Stream instructions enabled"
			" - USERSPACE CAN LOCK THIS KERNEL!\n", __func__);

	of_node_put(cpu);
}