Hello Michael, On Sun, 2010-08-01 at 11:31 +0300, Michael S. Tsirkin wrote: > I think we should explore the idea for the driver to fall back on data > copy > for small message sizes. > The benefit of zero copy would then be CPU utilization on large > messages.
Yes, we used to have 128 bytes for small copy in other driver. I saw Xiaohui's patch here is using 64 bytes. I think we need to compare the performance on different platform to decide what's the best for small message size. Thanks Shirley -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
