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SubjectRe: [PATCH 00/10] jump label: introduce very_[un]likely + cleanups + docs
On 02/22/2012 12:18 AM, Ingo Molnar wrote:
>
> For example could you tell *at a glance* what this does:
>
> + if (!static_branch_def_false(&perf_sched_events.key))
>
> ?

Yes. Unlike

> + if (very_unlikely(&perf_sched_events.key))

... which is actively misleading.

-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.



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