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    SubjectRe: [v3.4-rc1] ACPI regression bisected
    On Thu, 12 Apr 2012, Thomas Gleixner wrote:

    > On Thu, 12 Apr 2012, Matthew Garrett wrote:
    >
    > > On Thu, Apr 12, 2012 at 10:57:45AM +0200, Thomas Gleixner wrote:
    > >
    > > > OK, so now the question is whether the ACPI interrupt can end up being
    > > > shared or not.
    > >
    > > Per spec:
    > >
    > > "OSPM is required to treat the ACPI SCI interrupt as a sharable, level,
    > > active low interrupt."
    >
    > I feared that. So now is the question whether there is a way to mask
    > the interrupt at the "device" level.

    If not, I could be persuaded to provide a mechanism to force thread
    all interrupts which are on that line, if there's a good argument to
    do so.

    All machines in my farm do not share the line, so I guess it's only
    relevant when you boot with apic disabled or such.

    Thanks,

    tglx


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