On Thu, 14 Feb 2019, Ming Lei wrote:
> +static void nvme_calc_irq_sets(struct irq_affinity *affd, int nvecs)
> +{
> + struct nvme_dev *dev = affd->priv;
> +
> + nvme_calc_io_queues(dev, nvecs);
> +
> + affd->set_size[HCTX_TYPE_DEFAULT] = dev->io_queues[HCTX_TYPE_DEFAULT];
> + affd->set_size[HCTX_TYPE_READ] = dev->io_queues[HCTX_TYPE_READ];
> + affd->nr_sets = 2;
That's not really correct.
> - nvme_calc_io_queues(dev, irq_queues);
> - irq_sets[0] = dev->io_queues[HCTX_TYPE_DEFAULT];
> - irq_sets[1] = dev->io_queues[HCTX_TYPE_READ];
> - if (!irq_sets[1])
> - affd.nr_sets = 1;
-----------------------^^^^^^^^^^^^^^^^^^
That happens when the number of interrupts becomes too small to have split
queues. I'll fix that up.
Thanks,
tglx
