Re: [PATCH v3 05/11] KVM: MMU: do not mark accessed bit on pte write path

Xiao Guangrong
2011-09-13T18:27:15Z

On 09/13/2011 06:53 PM, Avi Kivity wrote:
> On 08/30/2011 05:35 AM, Xiao Guangrong wrote:
>> In current code, the accessed bit is always set when page fault occurred,
>> do not need to set it on pte write path
>
> What about speculative sptes that are then only accessed via emulation?
>

The gfn is read and written only via emulation? I think this case is very
very rare?