Re: [PATCH 1/4] x86/kvm: Resolve some missing-initializers warnings

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Il 25/07/2014 15:27, Jeff Kirsher ha scritto:
> From: Mark Rustad <mark.d.rustad@xxxxxxxxx>
> 
> Resolve some missing-initializers warnings that appear in W=2
> builds. They are resolved by using a designated initialization,
> which is enough to resolve the warning.
> 
> Signed-off-by: Mark Rustad <mark.d.rustad@xxxxxxxxx>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx>
> ---
>  arch/x86/kvm/x86.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index ef432f8..6d0f47208 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -82,8 +82,8 @@ u64 __read_mostly efer_reserved_bits = ~((u64)(EFER_SCE | EFER_LME | EFER_LMA));
>  static u64 __read_mostly efer_reserved_bits = ~((u64)EFER_SCE);
>  #endif
>  
> -#define VM_STAT(x) offsetof(struct kvm, stat.x), KVM_STAT_VM
> -#define VCPU_STAT(x) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU
> +#define VM_STAT(x) .offset = offsetof(struct kvm, stat.x), KVM_STAT_VM
> +#define VCPU_STAT(x) .offset = offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU
>  
>  static void update_cr8_intercept(struct kvm_vcpu *vcpu);
>  static void process_nmi(struct kvm_vcpu *vcpu);
> 

This is really ugly.  Either add the missing initializer (it's just a
NULL) or, better, move the name into VM_STAT/VCPU_STAT and add the
missing initializer to VM_STAT/VCPU_STAT.

Paolo
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