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genirq: Fixup fasteoi handler for oneshot mode

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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>
This commit is contained in:
Thomas Gleixner 2011-03-02 11:49:21 +01:00
parent 8d32a307e4
commit c69e3758ff
1 changed files with 4 additions and 0 deletions
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4
kernel/irq/chip.c
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@ -513,6 +513,10 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
mask_irq(desc); mask_irq(desc);
goto out; goto out;
} }
if (desc->istate & IRQS_ONESHOT)
mask_irq(desc);
preflow_handler(desc); preflow_handler(desc);
handle_irq_event(desc); handle_irq_event(desc);