Re: [Xen-devel] cpuidle causing Dom0 soft lockups

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> Keir Fraser <keir.fraser@xxxxxxxxxxxxx> 21.01.10 12:03 >>>
>On 21/01/2010 10:53, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote:
>
>> But that's exactly why we use the polling method: That way we don't
>> need to wake up all potential waiters, but just the one that's going to
>> get the lock next. We now even go further and detect whether the
>> lock owner is not currently running, and go polling right away (instead
>> of spinning on the lock a few hundred times first).
>
>Ah, these are pv spinlocks?

Yes.

Jan


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