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    Date
    SubjectRe: [git patches] net driver updates
    From
    From: Krishna Kumar2 <krkumar2@in.ibm.com>
    Date: Thu, 21 Feb 2008 09:13:49 +0530

    > Hi Divy,
    >
    > > > Explain why, so I can include it in the changelog please...
    > >
    > > Hi Jeff,
    > >
    > > The first part of the patch removes the !netif_queue_stopped(dev).
    > > It opens the race discussed a while ago between Stephen hemminger and
    > > David Miller:
    > > http://marc.info/?l=linux-netdev&m=113383224512427&w=2
    >
    > I feel this race cannot happen anymore. I think the fix for that race was
    > to introduce the
    > __LINK_STATE_QDISC_RUNNING bit thus eliminating any races between CPU's. If
    > one
    > CPU has called xmit, the other CPU will enqueue skbs (by holding the
    > queue_lock) and
    > exit from qdisc_run since it finds the bit set already.

    And the race is talking about LLTX, which S2IO doesn't use as
    far as I can tell.


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