void send_ipi()

in kernel/smp.c [93:115]

• 17 lines of code
• 2 McCabe index (conditional complexity)

void send_ipi(const struct cpumask *cpumask, enum ipi_message_type msg)
{
	unsigned long flags;
	unsigned long cpu;
	unsigned long retval;

	local_irq_save(flags);

	for_each_cpu(cpu, cpumask) {
		struct ipi_data *ipi = &per_cpu(ipi_data, cpu);

		set_bit(msg, &ipi->bits);
		/*  Possible barrier here  */
		retval = __vmintop_post(BASE_IPI_IRQ+cpu);

		if (retval != 0) {
			printk(KERN_ERR "interrupt %ld not configured?\n",
				BASE_IPI_IRQ+cpu);
		}
	}

	local_irq_restore(flags);
}