Re: [RFC PATCH v3 17/59] KVM: x86: Add flag to disallow #MC injection / KVM_X86_SETUP_MCE

[Thomas Gleixner]

On Wed, Nov 24 2021 at 16:20, isaku yamahata wrote:
>  static int kvm_vcpu_ioctl_x86_setup_mce(struct kvm_vcpu *vcpu,
>  					u64 mcg_cap)
>  {
> -	int r;
>  	unsigned bank_num = mcg_cap & 0xff, bank;
>  
> -	r = -EINVAL;
> +	if (vcpu->kvm->arch.mce_injection_disallowed)
> +		return -EINVAL;

Yet another flag because the copy & pasta orgy did not cover that
ioctl. What for?