Re: [PATCH 5/8] genirq/affinity: update CPU affinity for CPU hotplug events

[Thomas Gleixner <tglx@xxxxxxxxxxxxx>]

On Sat, 3 Jun 2017, Christoph Hellwig wrote:
> +static void irq_affinity_online_irq(unsigned int irq, struct irq_desc *desc,
> +				    unsigned int cpu)
> +{
> +
> +	cpumask_and(mask, affinity, cpu_online_mask);
> +	cpumask_set_cpu(cpu, mask);
> +	if (irqd_has_set(data, IRQD_AFFINITY_SUSPENDED)) {
> +		irq_startup(desc, false);
> +		irqd_clear(data, IRQD_AFFINITY_SUSPENDED);
> +	} else {
> +		irq_affinity_set(irq, desc, mask);

I don't think this should be forced. In that case we really can use the
regular mechanism.

Thanks,

	tglx