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    SubjectRe: [PATCH 1/2]: powerpc/cell spidernet bottom half
    From: (Linas Vepstas)
    Date: Wed, 16 Aug 2006 18:30:28 -0500

    > Why would you want o do this? It seems like a cruddier strategy
    > than what we can already do (which is to never get an transmit
    > interrupt, as long as the kernel can shove data into the device fast
    > enough to keep the queue from going empty.) The whole *point* of a
    > low-watermark interrupt is to never have to actually get the interrupt,
    > if the rest of the system is on its toes and is supplying data fast
    > enough.

    As long as TX packets get freed within a certain latency
    boundary, this kind of scheme should be fine.
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