Re: [PATCH] kvm: add capability for halt polling

[Paolo Bonzini]

On 22/04/20 23:36, Jim Mattson wrote:
>>> +     case KVM_CAP_HALT_POLL: {
>>> +             if (cap->flags || cap->args[0] != (unsigned int)cap->args[0])
>>> +                     return -EINVAL;
>>> +
>>> +             kvm->max_halt_poll_ns = cap->args[0];
>> Is it safe to allow any value from userspace here or would it maybe make
>> sense to only allow [0, global halt_poll_ns]?
> Would that restriction help to get this change accepted?
> 

No, in the sense that I'm applying it already.

Paolo