Commit c69e3758 authored Mar 02, 2011 by Thomas Gleixner

genirq: Fixup fasteoi handler for oneshot mode



The fasteoi handler must mask the interrupt line in oneshot mode
otherwise we end up with an irq storm.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

parent 8d32a307

kernel/irq/chip.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -513,6 +513,10 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
		mask_irq(desc);
		goto out;
		}

		if (desc->istate & IRQS_ONESHOT)
		mask_irq(desc);

		preflow_handler(desc);
		handle_irq_event(desc);