[openib-general] [PATCH] librdmacm: updated librdmacm to work with proposed 2.6.20 kernel CMA

[Or Gerlitz]

Sean Hefty wrote:
>>> Are you wanting the rdma cm to join the same multicast groups that ipoib
>> does?
>>> (This is simple to change, but it does not join the same groups today.)
>> Actually, yes, we strogly prefer that you will remove the rdma cm
>> signature byte from MGIDs generated by the cma.
> 
> Would there be any issues that result from allowing this that requires more
> restrictive access to joining the groups?

I don't think so, generally speaking, using multicast has its security 
drawbacks eg as was mentioned by Roland earlier on this thread, however 
  I don't see how the rdma cm MGID signature byte provides meaningful 
help against them.

Or.