Re: [PATCH v2 4/4] KVM: arm: implements the kvm_arch_vcpu_in_kernel()

[Christoffer Dall <cdall@linaro.org>]

On Tue, Aug 08, 2017 at 12:05:35PM +0800, Longpeng(Mike) wrote:
> This implements the kvm_arch_vcpu_in_kernel() for ARM.
> 
> Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com>
> ---
>  virt/kvm/arm/arm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c
> index 862f820..b9f68e4 100644
> --- a/virt/kvm/arm/arm.c
> +++ b/virt/kvm/arm/arm.c
> @@ -418,7 +418,7 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *v)
>  
>  bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu)
>  {
> -	return false;
> +	return vcpu_mode_priv(vcpu);
>  }
>  
>  /* Just ensure a guest exit from a particular CPU */
> -- 
> 1.8.3.1
> 
> 
I'm not taking any position on whether this series makes sense overall
or not (it's a bit concerning to do this without having measured a
benefit), but for the arm/arm64 change:

Acked-by: Christoffer Dall <cdall@linaro.org>