[openib-general] mthca FMR correctness (and memory windows)

Talpey, Thomas Thomas.Talpey at netapp.com
Tue Mar 21 06:45:58 PST 2006


At 10:14 PM 3/20/2006, Roland Dreier wrote:
>    Thomas> Oh yeah, I have to guess the PD too.
>
>You can't guess the PD.  You would have to trick the victim into
>putting the remote QP into the same PD.  (PDs are not represented on
>the wire at all)

Ok - uncle. Since we're implementing the Linux PD protection in
the OpenIB driver, it's moot to discuss what happens if it can be
bypassed. My point is merely that the scope of the rkey is quite
important, and must not be compromisable.

Tom.




More information about the general mailing list