On Sun, 27 Apr 2008, Andrea Arcangeli wrote: > Talking about post 2.6.26: the refcount with rcu in the anon-vma > conversion seems unnecessary and may explain part of the AIM slowdown > too. The rest looks ok and probably we should switch the code to a > compile-time decision between rwlock and rwsem (so obsoleting the > current spinlock).
You are going to take a semphore in an rcu section? Guess you did not activate all debugging options while testing? I was not aware that you can take a sleeping lock from a non preemptible context. _______________________________________________ general mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
