vcpu->arch.mcg_cap represents the value of MSR_IA32_MCG_CAP. It's set via ioctl(KVM_X86_SETUP_MCE) from userspace when exposing and configuring MCE to guest. It's wrong to leave the default value as KVM_MAX_MCE_BANKS. Signed-off-by: Xiaoyao Li <xiaoyao.li@xxxxxxxxx> --- arch/x86/kvm/x86.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 4bd5f8a751de..ca8f4a3e698d 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -11801,7 +11801,6 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu) GFP_KERNEL_ACCOUNT); if (!vcpu->arch.mce_banks || !vcpu->arch.mci_ctl2_banks) goto fail_free_mce_banks; - vcpu->arch.mcg_cap = KVM_MAX_MCE_BANKS; if (!zalloc_cpumask_var(&vcpu->arch.wbinvd_dirty_mask, GFP_KERNEL_ACCOUNT)) -- 2.27.0
