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SubjectRe: [PATCH V2 0/6][RFC] futex: FUTEX_LOCK with optional adaptive spinning
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On Tue, 2010-04-06 at 16:28 +0300, Avi Kivity wrote:
>
> Yes, but that's the best case for spinning. You could simply use a
> userspace spinlock in this case.

Userspace spinlocks are evil.. they should _never_ be used.



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