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    SubjectRe: [RFC PATCH 0/3] generic hypercall support
    Gregory Haskins wrote:
    > I completed the resurrection of the test and wrote up a little wiki on
    > the subject, which you can find here:
    >
    > http://developer.novell.com/wiki/index.php/WhyHypercalls
    >
    > Hopefully this answers Chris' "show me the numbers" and Anthony's "Why
    > reinvent the wheel?" questions.
    >
    > I will include this information when I publish the updated v2 series
    > with the s/hypercall/dynhc changes.
    >
    > Let me know if you have any questions.
    >

    Well, 420 ns is not to be sneezed at.

    What do you think of my mmio hypercall? That will speed up all mmio to
    be as fast as a hypercall, and then we can use ordinary mmio/pio writes
    to trigger things.

    --
    I have a truly marvellous patch that fixes the bug which this
    signature is too narrow to contain.



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