Michael> Roland, I see you have made the doorbell page volatile.
Michael> This makes sence, and must be enough on x86_64, but for
Michael> this to work on PPC, wont you still need to insert a
Michael> write memory barrier, to guard against the CPU
Michael> re-ordering writes to hardware and to the WQE? Since you
Michael> do it in kernel, why not in userspace?
I'm working on it... see the <infiniband/arch.h> file I added to
libibverbs for the start of my plan.
- R.
_______________________________________________
openib-general mailing list
[email protected]
http://openib.org/mailman/listinfo/openib-general
To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
