Re: [PATCH v2 3/4] KVM: s390: implements the kvm_arch_vcpu_in_kernel()

[Cornelia Huck]

On Tue, 8 Aug 2017 12:05:34 +0800
"Longpeng(Mike)" <longpeng2@xxxxxxxxxx> wrote:

> This implements the kvm_arch_vcpu_in_kernel() for s390.
> 
> Signed-off-by: Longpeng(Mike) <longpeng2@xxxxxxxxxx>
> ---
>  arch/s390/kvm/kvm-s390.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
> index 0b0c689..e46177b 100644
> --- a/arch/s390/kvm/kvm-s390.c
> +++ b/arch/s390/kvm/kvm-s390.c
> @@ -2449,7 +2449,7 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
>  
>  bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu)
>  {
> -	return false;
> +	return !(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE);
>  }
>  EXPORT_SYMBOL_GPL(kvm_arch_vcpu_in_kernel);
>  

Acked-by: Cornelia Huck <cohuck@xxxxxxxxxx>