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    SubjectRe: X15 alpha release: as fast as TUX but in user space (fwd)
    [sorry for the late answer -- i was involuntarily offline for a few days]

    On Sat, Apr 28, 2001 at 04:56:27PM -0600, Richard Gooch wrote:
    > Whatever happened to that hack that was discussed a year or two ago?
    > The one where (also on IA32) a magic page was set up by the kernel
    > containing code for fast system calls, and the kernel would write
    > calibation information to that magic page. The code written there
    > would use the TSC in conjunction with that calibration data.
    > There was much discussion about this idea, even Linus was keen on
    > it. But IIRC, nothing ever happened.

    It's already implemented in the x86-64 port, thanks to Andrea

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