void __init smp_prepare_cpus()

in kernel/smp.c [199:218]

• 11 lines of code
• 4 McCabe index (conditional complexity)

void __init smp_prepare_cpus(unsigned int max_cpus)
{
	int i, irq = BASE_IPI_IRQ;

	/*
	 * should eventually have some sort of machine
	 * descriptor that has this stuff
	 */

	/*  Right now, let's just fake it. */
	for (i = 0; i < max_cpus; i++)
		set_cpu_present(i, true);

	/*  Also need to register the interrupts for IPI  */
	if (max_cpus > 1) {
		if (request_irq(irq, handle_ipi, IRQF_TRIGGER_RISING,
				"ipi_handler", NULL))
			pr_err("Failed to request irq %d (ipi_handler)\n", irq);
	}
}