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    SubjectRe: [RFC v2: Patch 1/3] net: hand off skb list to other cpu to submit to upper layer
    From: Tom Herbert <>
    Date: Fri, 13 Mar 2009 17:24:10 -0700

    > Enabling HW multi-queue has somewhat higher CPU
    > utilization though, the extra device interrupt load is not coming for
    > free. We actually use the HW multi-queue in conjunction with our
    > software steering to get maximum pps (about 20% more).

    This is a non-intuitive observation. Using HW multiqueue should be
    cheaper than doing it in software, right?

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