Re: [PATCH] hw/nvme: fix pin-based interrupt behavior (again)

[Keith Busch]

On Thu, Jun 17, 2021 at 12:08:20PM +0200, Klaus Jensen wrote:
>      if (cq->tail != cq->head) {
> +        if (!pending) {
> +            n->cq_pending++;
> +        }

You should check cq->irq_enabled before incrementing cq_pending. You
don't want to leave the irq asserted when polled queues have outsanding
CQEs.