On Wed, Nov 06, 2013 at 10:23:10AM -0800, Eric Dumazet wrote: > On Wed, 2013-11-06 at 10:54 -0500, Neil Horman wrote: > > > My guess was that the whole comment was made in reference to the fact that > > checksum offload negated all these advantages. Thats not so true anymore, > > since > > infiniband needs csum in software for ipoib. > > > > I'll fix this up and send a v3, but I'll give it a day in case there are > > more > > comments first. > > Also please include netdev, I think people there are interested. > Sure, will do in the updated version
> I caught this message, but I usually cannot read lkml traffic. > > I wonder why you do not use (and/or change/tune) prefetch_range() > instead of a local definition. > I wanted to look into this further, because I wasn't (yet) sure if it was a bug or not, but from what I can see x86_64 doesn't define ARCH_HAS_PREFECTH. That makes prefetch_range() a nop (I confirmed this via objdump). It seems like we should either define ARCH_HAS_PREFETCH on x86_64, or we should remove the #ifdef from prefetch_range > > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
