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SubjectRe: [PATCH v2 11/31] arm64: IRQ handling
Hi,

On Tue, Aug 14, 2012 at 06:52:12PM +0100, Catalin Marinas wrote:
> +void handle_IRQ(unsigned int irq, struct pt_regs *regs)
> +{
> + struct pt_regs *old_regs = set_irq_regs(regs);
> +
> + irq_enter();
> +
> + /*
> + * Some hardware gives randomly wrong interrupts. Rather
> + * than crashing, do something sensible.
> + */
> + if (unlikely(irq >= nr_irqs)) {
> + if (printk_ratelimit())
> + pr_warning("Bad IRQ%u\n", irq);

I guess pr_warn_ratelimited() should be used for new code.

(See include/linux/printk.h, "Please don't use printk_ratelimit()...")

A.


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