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SubjectRe: Network slowdown due to CFS
Ingo Molnar wrote:

> But, because you assert it that it's risky to "criticise sched_yield()
> too much", you sure must know at least one real example where it's right
> to use it (and cite the line and code where it's used, with
> specificity)?

It's fine to criticise sched_yield(). I agree that new apps should
generally be written to use proper completion mechanisms or to wait for
specific events.

However, there are closed-source and/or frozen-source apps where it's
not practical to rewrite or rebuild the app. Does it make sense to
break the behaviour of all of these?

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