Re: [PATCH v2 11/31] arm64: IRQ handling
From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: 2012-08-14 23:23:23
Also in:
linux-arm-kernel, lkml
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.