2010-04-25 17:50:33 +08:00
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--- a/kernel/irq/chip.c
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+++ b/kernel/irq/chip.c
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@@ -637,6 +637,9 @@ handle_percpu_irq(unsigned int irq, stru
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2010-04-25 05:35:49 +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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