Re: [Qemu-devel] [RFC PATCH RDMA support v2: 6/6] send memory over RDMA as blocks are iterated

[Michael R. Hines]

On 02/18/2013 06:01 AM, Paolo Bonzini wrote:
> Orit, can you rebase and post an RFC of your vectored-send patches for
> TCP migration?  Perhaps you and Michael can figure out an API that works
> well for both TCP and RDMA.
Looking forward to reading these.....
> > +#ifdef RDMA_EXTRA_SYNC
> > +        /*
> > +         * We use two "sync" infiniband messages happen during migration.
> > +         * One at the beginning and one at the end, just to be thorough.
> > +         * This is the first one.
> > +         */
> > +        }
> This "sync" thing sounds like something that could be used to send
> buffered device state on the same channel.  But again, I'm quite
> RDMA-impaired. :)
>
> Paolo
Actually, we don't see anything fundamentally wrong with that - I'll 
watch for Orit's patches on the mailing list before coming up with a new 
design.

- Michael