Re: [PATCH 8/5] llist: Remove cpu_relax() usage in cmpxchg loops

Peter Zijlstra
2011-09-13T14:53:56Z

On Tue, 2011-09-13 at 17:51 +0300, Avi Kivity wrote:
>
> I hate arguing while agreeing, but the issue isn't that we don't spend a
> significant time spinning, but that there is no owner. Should the other
> cpu go away, we just pick up a new copy of oldval and complete the
> transaction.

Ah, ok. Yes that too ;-)