On 25/11/2014 18:21, Marcelo Tosatti wrote:
> +
> +     if (r == HRTIMER_RESTART) {
> +             do {
> +                     ret = hrtimer_start_expires(data, HRTIMER_MODE_ABS);
> +                     if (ret == -ETIME)
> +                             hrtimer_add_expires_ns(&ktimer->timer,
> +                                                     ktimer->period);

Is it possible to just compute the time where the next interrupt
happens?  I suspect the printk and WARN_ON below can be easily triggered
by a guest.

Paolo

> +                     i++;
> +             } while (ret == -ETIME && i < 10);
> +
> +             if (ret == -ETIME) {
> +                     printk(KERN_ERR "%s: failed to reprogram timer\n",
> +                            __func__);
> +                     WARN_ON(1);
> +             }
> +     }
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to