On Tue, 2011-05-17 at 23:48 +0200, MichaÅ MirosÅaw wrote: > 2011/5/17 Shirley Ma <mashirle@xxxxxxxxxx>: > > 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? Not more other restrictions, skb clone is OK. pskb_expand_head() looks OK to me from code review. Currently there is no drivers recycle TX skbs. Thanks Shirley -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
