On Wed, 25 Nov 2009 07:45:30 pm Michael S. Tsirkin wrote: > Hmm, is it really worth it to save a header copy if it's linear? We are > going to access it anyway, and it fits into one cacheline nicely. On > the other hand we have more code making life harder for compiler and > processor. Not sure: I think there would be many places where it would be useful. We do a similar thing in the kernel to inspect non-linear packets, and it's served us well. Cheers, Rusty. -- 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