Re: [PATCH v2 5/5] KVM: MMU: retry #PF for softmmu

Avi Kivity
2010-11-14T10:46:24Z

On 11/12/2010 08:50 AM, Xiao Guangrong wrote:
> Retry #PF for softmmu only when the current vcpu has the same
> root shadow page as the time when #PF occurs. it means they
> have same paging environment
>

The process could have been killed and replaced by another using the
same cr3. Or we may be running a guest that uses the same cr3 for all
processes. Or another thread may have mmap()ed something else over the
same address. So I think this is incorrect.

Meanwhile, I applied patches 1-4.

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