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SubjectRe: [PATCH v3 10/11] KVM: MMU: clear write-flooding on the fast path of tracked page
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On 02/19/2016 07:55 PM, Paolo Bonzini wrote:
>
>
> On 14/02/2016 12:31, Xiao Guangrong wrote:
>> If the page fault is caused by write access on write tracked page, the
>> real shadow page walking is skipped, we lost the chance to clear write
>> flooding for the page structure current vcpu is using
>>
>> Fix it by locklessly waking shadow page table to clear write flooding
>> on the shadow page structure out of mmu-lock. So that we change the
>> count to atomic_t
>
> Should this be moved earlier in the series, so that the issue never
> surfaces?

Okay, i will move it to the place that is behind:
[PATCH v3 06/11] KVM: MMU: let page fault handler be aware tracked page

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