Re: [PATCH v5 08/14] nEPT: Redefine EPT-specific link_shadow_page()

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On 07/31/2013 10:48 PM, Gleb Natapov wrote:
> From: Yang Zhang <yang.z.zhang@xxxxxxxxx>

>  		}
>  	}
>  	return emulate;
> diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
> index 762c904..0d25351 100644
> --- a/arch/x86/kvm/paging_tmpl.h
> +++ b/arch/x86/kvm/paging_tmpl.h
> @@ -555,7 +555,7 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
>  			goto out_gpte_changed;
> 
>  		if (sp)
> -			link_shadow_page(it.sptep, sp);
> +			link_shadow_page(it.sptep, sp, PTTYPE != PTTYPE_EPT);

It is better to use "!!PT_GUEST_ACCESSED_MASK" instead? It will be easier when
we export A/D to guest in the further.

Others look good to me.

Reviewed-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx>

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