[openib-general] [PATCH][1/7]ipoib performance patches -- remove ah_reap

[Roland Dreier]

    Shirley> Roland, My idea is to remove this AH reap thread. We can
    Shirley> use RCU to do the same work without lots of coding. Do
    Shirley> you agree?

No, I don't see how that will help.  How does RCU know when it's safe
to free an AH?

    Shirley> And in the reap AH code, tx_tail/tx_head isn't
    Shirley> consistently protected by tx_lock. It uses priv->lock.

Hmm, that may be a bug.  I'll take a look.

 - R.