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    SubjectRe: [PATCH 0/8] git pull request for tip/tracing/core

    * Steven Rostedt <rostedt@goodmis.org> wrote:

    > On Wed, 11 Feb 2009, Ingo Molnar wrote:
    > > >
    > > > I just looked at alpha and arm, I'm now looking at ia64. And this could
    > > > be an issue, since it has 14 bits for hard irqs.
    > > >
    > > > What would be the impact to make the preempt count a long?
    > >
    > > Assembly code has to be audited i guess, whether it's treated as an int anywhere.
    > > Should work i guess.
    >
    > Before we go and make the change, Peter brought up a good point on IRC. Is
    > there any reason that ia64 needs 1 << 14 IRQs? That's 16384!
    >
    > Perhaps the better solution wolud be (if possible), to simply lower the
    > number of bits.

    i'm the wrong person to be asked about that. (Cc:-ed the right people)

    Ingo


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