[PATCH 02/11] KVM: ARM/arm64: fix broken __percpu annotation

[Marc Zyngier]

On 26/08/14 15:13, Will Deacon wrote:
> Running sparse results in a bunch of noisy address space mismatches
> thanks to the broken __percpu annotation on kvm_get_running_vcpus.
> 
> This function returns a pcpu pointer to a pointer, not a pointer to a
> pcpu pointer. This patch fixes the annotation, which kills the warnings
> from sparse.
> 
> Cc: Christoffer Dall <christoffer.dall at linaro.org>
> Cc: Marc Zyngier <marc.zyngier at arm.com>
> Signed-off-by: Will Deacon <will.deacon at arm.com>

Acked-by: Marc Zyngier <marc.zyngier at arm.com>

	M..

> ---
>  arch/arm/kvm/arm.c                | 2 +-
>  arch/arm64/include/asm/kvm_host.h | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
> index a99e0cdf8ba2..00a5982ca5bc 100644
> --- a/arch/arm/kvm/arm.c
> +++ b/arch/arm/kvm/arm.c
> @@ -82,7 +82,7 @@ struct kvm_vcpu *kvm_arm_get_running_vcpu(void)
>  /**
>   * kvm_arm_get_running_vcpus - get the per-CPU array of currently running vcpus.
>   */
> -struct kvm_vcpu __percpu **kvm_get_running_vcpus(void)
> +struct kvm_vcpu * __percpu *kvm_get_running_vcpus(void)
>  {
>  	return &kvm_arm_running_vcpu;
>  }
> diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
> index 44094e559848..50431d36732b 100644
> --- a/arch/arm64/include/asm/kvm_host.h
> +++ b/arch/arm64/include/asm/kvm_host.h
> @@ -193,7 +193,7 @@ static inline int kvm_test_age_hva(struct kvm *kvm, unsigned long hva)
>  }
>  
>  struct kvm_vcpu *kvm_arm_get_running_vcpu(void);
> -struct kvm_vcpu __percpu **kvm_get_running_vcpus(void);
> +struct kvm_vcpu * __percpu *kvm_get_running_vcpus(void);
>  
>  u64 kvm_call_hyp(void *hypfn, ...);
>  
> 


-- 
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