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SubjectRe: [PATCH v2 07/16] KVM: MMU: introduce for_each_pte_list_spte
On 04/17/2012 10:47 PM, Takuya Yoshikawa wrote:

> On Mon, 16 Apr 2012 11:36:25 +0800
> Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> wrote:
>
>> I tested it with kernbench, no regression is found.
>
> Because kernbench is not at all good test for this.
>
>> It is not a problem since the iter and spte should be in the cache.
>
> I have checked dirty-log-perf myself with this patch [01-07].
>
> GET_DIRTY_LOG for 1GB dirty pages has become more than 15% slower.


By the way, what is the case did you test? ept = 1 ?



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