Messages in this thread | | | Date | Thu, 07 May 2009 21:05:37 +0300 | From | Avi Kivity <> | Subject | Re: [RFC PATCH 0/3] generic hypercall support |
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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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