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DateMon, 10 Nov 2008 08:58:27 +0100
FromIngo Molnar <>
SubjectRe: sharing interrupt between PCI device
* Grant Grundler <grundler@parisc-linux.org> wrote:

> [+ingo - question for you about disable_irq() below]

> The same problem exists with disable_irq() : only takes a global
> IRQ# and no additional identifying information to prevent disabling
> a shared IRQ. So I'm not sure if this is a bug with ACPI or design
> flaw in generic IRQ APIs.  Ingo?

that's how disable_irq() always worked: it disables all handlers on 
that IRQ#. If the IRQ# is shared, it disables all handlers.

	Ingo


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