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    SubjectRe: [PATCH V5 2/6 net-next] netdevice.h: Add zero-copy flag in netdevice
    2011/5/17 Shirley Ma <>:
    > Hello Michael,
    > Looks like to use a new flag requires more time/work. I am thinking
    > whether we can just use HIGHDMA flag to enable zero-copy in macvtap to
    > avoid the new flag for now since mavctap uses real NICs as lower device?

    Is there any other restriction besides requiring driver to not recycle
    the skb? Are there any drivers that recycle TX skbs?

    Best Regards,
    Michał Mirosław
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