[ofa-general] Re: Demand paging for memory regions

[Robin Holt]

On Thu, Feb 14, 2008 at 09:09:08AM -0600, Steve Wise wrote:
> Note that for T3, this involves suspending _all_ rdma connections that are 
> in the same PD as the MR being remapped.  This is because the driver 
> doesn't know who the application advertised the rkey/stag to.  So without 

Is there a reason the driver can not track these.

> Point being, it will stop probably all connections that an application is 
> using (assuming the application uses a single PD).

It seems like the need to not stop all would be a compelling enough reason
to modify the driver to track which processes have received the rkey/stag.

Thanks,
Robin