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    SubjectRe: [RFC][PATCH] fix target_cpus() for summit subarch
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    On Fri, 2004-08-27 at 23:17, Martin J. Bligh wrote:
    > --john stultz <johnstul@us.ibm.com> wrote (on Friday, August 27, 2004 17:24:48 -0700):
    >
    > > I've been hunting down a bug affecting IBM x440/x445 systems where the
    > > floppy driver would get spurious interrupts and would not initialize
    > > properly.
    > >
    > > After digging James Cleverdon pointed out that target_cpus() is routing
    > > the interrupts to the clustered apic broadcast mask. This was causing
    > > multiple interrupts to show up, breaking the floppy init code.
    > >
    > > This one-liner fix simply routes interrupts to the first cpu to resolve
    > > this issue.
    >
    > I'd say that means your hardware is horribly broken ... but I guess this
    > might be a suitable workaround given we're going to reprogram them all
    > later.

    Ok, then my patch probably isn't correct. Let me grab James and we'll
    sit down and work this out later today.

    thanks
    -john


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