On Thu, 2012-05-17 at 08:18 -0700, Paul E. McKenney wrote:

Some researchers at MIT RCU-ified this lock:

http://people.csail.mit.edu/nickolai/papers/clements-bonsai.pdf 

Ah, as have I [1].. and they seem to have gotten about as far as I have,
which means almost there but not quite [2] :-)

The most interesting case is file maps and they simply ignored those.
While I appreciate that from an academic pov, -- they can still write a
paper on the other interesting bits -- I don't really like it from a
practical point.

[1] https://lkml.org/lkml/2010/1/4/257
[2] https://lkml.org/lkml/2010/1/4/532