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    SubjectRe: [RFC PATCH] add pci_{request,free}_irq take #2
    On Tue, Oct 03, 2006 at 06:37:12PM -0400, Jeff Garzik wrote:
    > Frederik Deweerdt wrote:
    > >My bad, I've mixed your proposal and Matthew's, isn't this just a
    > >matter of:
    > >
    > >I'll look if there's some non-PCI code that might check the irq's value
    > >and thus might benefit from this.
    > The irq value comes from the PCI subsystem... The PCI subsystem should
    > validate it.

    That's not true. The value in the pci_dev->irq field has been changed
    by the architecture. See, for example, pci_read_irq_line() in
    arch/powerpc/kernel/pci_32.c. It's a Linux IRQ number, not a PCI IRQ
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