linux-kernel - Re: [RFC PATCH 1/4] KVM: selftests: Guard struct kvm_vcpu_events with __KVM_HAVE_VCPU

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Message-ID: <0a526ee1-9880-e6d5-ac55-02dc2f2c8872@redhat.com>
Date:   Thu, 16 May 2019 13:22:20 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Thomas Huth <thuth@...hat.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Janosch Frank <frankja@...ux.ibm.com>, kvm@...r.kernel.org
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Shuah Khan <shuah@...nel.org>,
        Cornelia Huck <cohuck@...hat.com>,
        Andrew Jones <drjones@...hat.com>,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-s390@...r.kernel.org
Subject: Re: [RFC PATCH 1/4] KVM: selftests: Guard struct kvm_vcpu_events with
 __KVM_HAVE_VCPU_EVENTS

On 16.05.19 13:12, Thomas Huth wrote:
> The struct kvm_vcpu_events code is only available on certain architectures
> (arm, arm64 and x86). To be able to compile kvm_util.c also for other
> architectures, we've got to fence the code with __KVM_HAVE_VCPU_EVENTS.
> 
> Signed-off-by: Thomas Huth <thuth@...hat.com>
> ---
>  tools/testing/selftests/kvm/include/kvm_util.h | 2 ++
>  tools/testing/selftests/kvm/lib/kvm_util.c     | 2 ++
>  2 files changed, 4 insertions(+)
> 
> diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h
> index 07b71ad9734a..1e46ab205038 100644
> --- a/tools/testing/selftests/kvm/include/kvm_util.h
> +++ b/tools/testing/selftests/kvm/include/kvm_util.h
> @@ -114,10 +114,12 @@ void vcpu_sregs_set(struct kvm_vm *vm, uint32_t vcpuid,
>  		    struct kvm_sregs *sregs);
>  int _vcpu_sregs_set(struct kvm_vm *vm, uint32_t vcpuid,
>  		    struct kvm_sregs *sregs);
> +#ifdef __KVM_HAVE_VCPU_EVENTS
>  void vcpu_events_get(struct kvm_vm *vm, uint32_t vcpuid,
>  		     struct kvm_vcpu_events *events);
>  void vcpu_events_set(struct kvm_vm *vm, uint32_t vcpuid,
>  		     struct kvm_vcpu_events *events);
> +#endif
>  
>  const char *exit_reason_str(unsigned int exit_reason);
>  
> diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
> index 4ca96b228e46..8d63ccb93e10 100644
> --- a/tools/testing/selftests/kvm/lib/kvm_util.c
> +++ b/tools/testing/selftests/kvm/lib/kvm_util.c
> @@ -1224,6 +1224,7 @@ void vcpu_regs_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_regs *regs)
>  		ret, errno);
>  }
>  
> +#ifdef __KVM_HAVE_VCPU_EVENTS
>  void vcpu_events_get(struct kvm_vm *vm, uint32_t vcpuid,
>  		     struct kvm_vcpu_events *events)
>  {
> @@ -1249,6 +1250,7 @@ void vcpu_events_set(struct kvm_vm *vm, uint32_t vcpuid,
>  	TEST_ASSERT(ret == 0, "KVM_SET_VCPU_EVENTS, failed, rc: %i errno: %i",
>  		ret, errno);
>  }
> +#endif
>  
>  /*
>   * VM VCPU System Regs Get
> 

Reviewed-by: David Hildenbrand <david@...hat.com>

-- 

Thanks,

David / dhildenb