[ovs-dev] [PATCH 4/4] ovs: Implement 802.1ag Connectivity Fault Management

Ben Pfaff blp at nicira.com
Mon Nov 29 22:27:37 UTC 2010

On Mon, Nov 29, 2010 at 02:24:31PM -0800, Ethan Jackson wrote:
> > packets.h
> > ---------
> >
> > Does "struct ccm" really need to be packed?  At a glance it looks
> > properly aligned to me.
> The build assertion fails on my system without the packed attribute.

OK, that's a good enough reason.

> I think it's good anyways because it documents that we are intending
> to send it on the wire.

By itself that's not good enough because working with packed structures
is slow on RISC systems, because it forces them to work with misaligned



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