Messages in this thread | | | Subject | Re: [PATCH] kvm: add capability for halt polling | From | Paolo Bonzini <> | Date | Mon, 20 Apr 2020 23:09:47 +0200 |
| |
On 20/04/20 20:47, Jon Cargille wrote: >> Is it safe to allow any value from userspace here or would it maybe make >> sense to only allow [0, global halt_poll_ns]? > I believe that any value is safe; a very large value effectively disables > halt-polling, which is equivalent to setting a value of zero to explicitly > disable it, which is legal.
Doesn't a large value make KVM poll all the time? But you could do that just by running "for (;;)" so there's no reason to limit the parameter.
Paolo
| |