Avi Kivity wrote: > 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 like it! Bigger question is what kind of work goes into making mmio a pv_op (or is this already done)? -Greg
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