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SubjectRe: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
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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