Re: [PATCH v2 07/16] KVM: MMU: introduce for_each_pte_list_spte

From: Xiao Guangrong
Date: Wed Apr 18 2012 - 06:03:32 EST

On 04/17/2012 10:47 PM, Takuya Yoshikawa wrote:

> On Mon, 16 Apr 2012 11:36:25 +0800
> Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx> 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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