Re: [PATCH v4 06/21] KVM: arm64: Support SDEI_EVENT_CONTEXT hypercall

[Shannon Zhao]

On 2021/8/15 8:13, Gavin Shan wrote:
> +static unsigned long kvm_sdei_hypercall_context(struct kvm_vcpu *vcpu)
> +{
> +	struct kvm *kvm = vcpu->kvm;
> +	struct kvm_sdei_kvm *ksdei = kvm->arch.sdei;
> +	struct kvm_sdei_vcpu *vsdei = vcpu->arch.sdei;
> +	struct kvm_sdei_vcpu_regs *regs;
> +	unsigned long index = smccc_get_arg1(vcpu);
> +	unsigned long ret = SDEI_SUCCESS;
> +
> +	/* Sanity check */
> +	if (!(ksdei && vsdei)) {
> +		ret = SDEI_NOT_SUPPORTED;
> +		goto out;
> +	}
Maybe we could move these common sanity check codes to 
kvm_sdei_hypercall to save some lines.

Thanks,
Shannon