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. ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel