[PATCH 08/10] KVM: arm64: Add a nVHE-specific SVE VQ reset hypercall

[Quentin Perret]

On Tuesday 16 Mar 2021 at 10:13:10 (+0000), Marc Zyngier wrote:
> diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
> index c4afe3d3397f..9108ccc80653 100644
> --- a/arch/arm64/include/asm/kvm_host.h
> +++ b/arch/arm64/include/asm/kvm_host.h
> @@ -593,7 +593,9 @@ int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
>  void kvm_arm_halt_guest(struct kvm *kvm);
>  void kvm_arm_resume_guest(struct kvm *kvm);
>  
> -#define kvm_call_hyp_nvhe(f, ...)						\
> +static inline void __kvm_reset_sve_vq(void) {}

Why is this one needed? With an explicit call to kvm_call_hyp_nvhe() you
shouldn't need to provide a VHE implementation I think.

Thanks,
Quentin