Re: [PATCH v3 4/5] KVM: MMU: Add 5 level EPT & Shadow page table support.

[Paolo Bonzini]

On 24/08/2017 14:27, Yu Zhang wrote:
>  	/* Update physical-address width */
>  	vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu);
>  
> +#ifdef CONFIG_X86_64
> +	if (vcpu->arch.maxphyaddr > 48)
> +		kvm_mmu_reset_context(vcpu);
> +#endif

I think CONFIG_X86_64 is not necessary to have maxphyaddr>48?

Paolo

>  	kvm_pmu_refresh(vcpu);
>  	return 0;
>  }