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    SubjectRe: [PATCH] 2.6.18-rt7: PowerPC: fix breakage in threaded fasteoi type IRQ handlers

    > Sorry, it's the same for x86 version of OpenPIC according to spec. I meant
    > the PPC implementation here.

    Same OpenPIC.. it can deal with both INTACK cycles and reading from an
    INTACK register. On some PPC's, we actually have logic in the bridge to
    generate the INTACK cycle (which exist on PCI) though we only use that
    with 8259's currently as it's not really more efficient than just
    reading from the INTACK register of the OpenPIC.


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