2010-04-22 15:12:09 +08:00
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--- a/kernel/irq/chip.c
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+++ b/kernel/irq/chip.c
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@@ -650,6 +650,9 @@ handle_percpu_irq(unsigned int irq, stru
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2010-04-11 04:11:28 +08:00
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kstat_incr_irqs_this_cpu(irq, desc);
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+ if (unlikely(!desc->action || (desc->status & IRQ_DISABLED)))
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+ return;
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+
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if (desc->chip->ack)
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desc->chip->ack(irq);
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