Re: [Qemu-devel] [RFC PATCH RDMA support v5: 08/12] new capabilities added and check for QMP string 'rdma'

[Michael S. Tsirkin]

On Wed, Apr 10, 2013 at 10:07:47AM +0200, Paolo Bonzini wrote:
> Il 10/04/2013 03:11, Michael R. Hines ha scritto:
> > Actually, this capability needs to be a part of the same patch.
> > 
> > RDMA must have the ability to turn this off or performance will die.
> 
> Yes, but you can put it in a separate patch at the beginning of this
> series.  RDMA depends on it, but it doesn't depend on RDMA.
> 
> Paolo

Further, it's an implementation detail really. We don't want
management to play with this capability - it will not know what
to set it to.  Let's just do the right thing automatically.

> > Similarly dynamic chunk registration on the server depends on having
> > the ability to turn this on, or you cannot get the advantages of dynamic
> > registration.