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    SubjectRe: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
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    On Sun, 2006-06-04 at 17:10 +0100, Alan Cox wrote:
    > Ar Sul, 2006-06-04 am 09:16 -0400, ysgrifennodd Steven Rostedt:
    > > But I'm not sure if I fully understand this misrouting irq. Is it to
    > > fix broken machines that trigger interrupts on the wrong line? Or is
    >
    > It is solely to deal with machines where IRQs turn up on the wrong line,
    > generally meaning broken ACPI IRQ tables. It has to be enabled as a boot
    > option.

    Thanks for the answer Alan.

    But can't this machine still cause an interrupt storm if the interrupt
    comes on a wrong line, and we don't call the handler for the interrupt
    source because we are now honoring disable_irq?

    -- Steve


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