On Wed, Nov 25, 2009 at 08:50:21PM +1030, Rusty Russell wrote: > 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.
You mean this gives measureable speedup? Okay ... > Cheers, > Rusty. -- 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
