Re: [RFC PATCH 1/2] KVM: x86: Introduce KVM_{G,S}ET_ONE_REG uAPIs support

[Sean Christopherson]

On Thu, May 09, 2024, Yang Weijiang wrote:
> @@ -5859,6 +5884,11 @@ static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu,
>  	}
>  }
>  
> +static int kvm_translate_synthetic_msr(u32 *index)
> +{
> +	return 0;

This needs to be -EINVAL.

> +}
> +
>  long kvm_arch_vcpu_ioctl(struct file *filp,
>  			 unsigned int ioctl, unsigned long arg)
>  {