Andy Shevchenko <andy.shevchenko@xxxxxxxxx> writes:
> On Fri, Dec 18, 2020 at 4:37 PM Enrico Weigelt, metux IT consult
> <info@xxxxxxxxx> wrote:
>
>> + if (printk_ratelimit())
>> + pr_warn("spurious IRQ: irq=%d hwirq=%d nr_irqs=%d\n",
>> + irq, hwirq, nr_irqs);
>
> Perhaps you missed pr_warn_ratelimit() macro which is already in the
> kernel for a long time.
pr_warn_ratelimited() which calls printk_ratelimited().
And see the comment above printk_ratelimit():
/*
* Please don't use printk_ratelimit(), because it shares ratelimiting state
* with all other unrelated printk_ratelimit() callsites. Instead use
* printk_ratelimited() or plain old __ratelimit().
*/
cheers
