On Tue, Sep 14, 2010 at 09:00:25AM -0700, Shirley Ma wrote: > On Tue, 2010-09-14 at 17:22 +0200, Michael S. Tsirkin wrote: > > I would expect this to hurt performance significantly. > > We could do this for asynchronous requests only to avoid the > > slowdown. > > Is kiocb in sendmsg helpful here? It is not used now. > > Shirley Precisely. This is what the patch from Xin Xiaohui does. That code already seems to do most of what you are trying to do, right? The main thing missing seems to be macvtap integration, so that we can fall back on data copy if zero copy is unavailable? How hard would it be to basically link the mp and macvtap modules together to get us this functionality? Anyone? -- MST -- 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
