[openib-general] [RFC] [PATCH 2/7] ib_multicast 2.6.20: add ib_multicast module to track join requests from the same port

[Michael S. Tsirkin]

Quoting r. Sean Hefty <mshefty at ichips.intel.com>:
> Subject: Re: [openib-general] [RFC] [PATCH 2/7] ib_multicast 2.6.20: add ib_multicast module to track join requests from the same port
> 
> Michael S. Tsirkin wrote:
> > It is somewhat unfortunate that we are duplicating the SA logic
> > at the endnode in kernel memory here - current sa module has
> > the advantage in that it just packs all data into a mad and sends it out.
> > Something to think about.
> 
> What alternative do you propose?  The SA does reference counting on a per port 
> basis, so joins must be handled locally.  How can you avoid duplicating that logic?
> 
> If a user truly only wants to query for an existing group, those requests must 
> still go to the SA.

sorry, I don't have any clever ideas at the moment.

-- 
MST