Re: [PATCH 2/5] KVM: Implement CR read caching for KVM paravirt_ops

Avi Kivity
2007-06-18T08:05:39Z

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?

--
error compiling committee.c: too many arguments to function