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    SubjectRe: [PATCH] Replace completions with semaphores

    On Tue, 15 Apr 2008, Peter Zijlstra wrote:
    > That sounds horrible; I really prefer targeted replacements like
    > completions that make it clear what they're supposed to be used for.

    I agree. I'd rather _keep_ the completions, and get rid of the semaphores,
    so I think the whole fundamental patch here under discussion is broken.

    We should do:
    - continue replacing semaphores that are used purely for mutual exclusion
    with mutexes.
    - probably add support for completions to do counting
    - and then eventually just do the _reverse_ of what the current patch
    does, namely replace the existing counting semaphore usage with



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