Date: Tue, 8 Aug 2017 09:39:31 +0200
From: Christoffer Dall <cdall@linaro.org>
To: "Longpeng(Mike)" <longpeng2@huawei.com>
Cc: pbonzini@redhat.com, rkrcmar@redhat.com, agraf@suse.com,
        borntraeger@de.ibm.com, cohuck@redhat.com, christoffer.dall@linaro.org,
        marc.zyngier@arm.com, james.hogan@imgtec.com, kvm@vger.kernel.org,
        linux-kernel@vger.kernel.org, weidong.huang@huawei.com,
        arei.gonglei@huawei.com, wangxinxin.wang@huawei.com,
        longpeng.mike@gmail.com, david@redhat.com
Subject: Re: [PATCH v2 4/4] KVM: arm: implements the kvm_arch_vcpu_in_kernel()
Message-ID: <20170808073931.GB26652@cbox>
References: <1502165135-4784-1-git-send-email-longpeng2@huawei.com>
 <1502165135-4784-5-git-send-email-longpeng2@huawei.com>
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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>