Avi Kivity wrote:
Anthony Liguori wrote:
With hardware virtualization, CR reads often times require a VMEXIT
which is
rather expensive. Instead of reading CR and taking the VMEXIT,
maintain a
copy of each CR and return that on CR reads.
Looks good. Any measurable performance impact?
I'm having trouble with virtbench on the latest versions of KVM so I've
been running kernbench. I don't have specific numbers for this one but
I'll get some today.
Regards,
Anthony Liguori
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