Re: [PATCH v2 3/3] KVM: TDX: Enable Bus Lock VM exit

On 8/10/2026 7:46 PM, [email protected] wrote:
>> @@ -2150,6 +2154,22 @@ int tdx_handle_exit(struct kvm_vcpu *vcpu, fastpath_t fastpath)
>>   	return 0;
>>   }
>>   
>> +int tdx_handle_exit(struct kvm_vcpu *vcpu, fastpath_t fastpath)
>> +{
>> +	int ret = __tdx_handle_exit(vcpu, fastpath);
>> +
>> +	/* Exit to user space when bus lock was detected */
>> +	if (vmx_get_exit_reason(vcpu).bus_lock_detected) {
>> +		if (ret > 0) {
>> +			vcpu->run->exit_reason = KVM_EXIT_X86_BUS_LOCK;
>> +			ret = 0;
>> +		}
> [Severity: High]
> This is a pre-existing issue, but since you fixed the negative return value
> handling here for tdx_handle_exit() in v2, should a similar fix be applied
> to the pre-existing vmx_handle_exit() in arch/x86/kvm/vmx/vmx.c?

VMX fix was sent already:

https://lore.kernel.org/all/[email protected]/