Messages in this thread | | | Date | Thu, 4 Dec 2014 11:43:52 -0200 | From | Marcelo Tosatti <> | Subject | Re: [patch -rt 2/2] KVM: lapic: mark LAPIC timer handler as irqsafe |
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On Tue, Nov 25, 2014 at 06:38:04PM +0100, Paolo Bonzini wrote: > > > 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?
Yes but there is no guarantee hrtimer_start_expires will not fail.
> I suspect the printk and WARN_ON below can be easily triggered > by a guest.
I'll remove those, thanks.
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