doc: rcu: Remove obsolete suggestion from checklist

call_rcu_bh is now implemented in terms of call_rcu, so the suggestion
to use a different API for speed benefits is not accurate anymore.
This commit updates the document accordingly.

Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>

diff --git a/Documentation/RCU/checklist.txt b/Documentation/RCU/checklist.txt
index 8860ab2..cc22ce4 100644 (file)
--- a/Documentation/RCU/checklist.txt
+++ b/Documentation/RCU/checklist.txt
@@ -285,11 +285,7 @@ over a rather long period of time, but improvements are always welcome!
                here is that superuser already has lots of ways to crash
                the machine.
 
-       d.      Use call_rcu_bh() rather than call_rcu(), in order to take
-               advantage of call_rcu_bh()'s faster grace periods.  (This
-               is only a partial solution, though.)
-
-       e.      Periodically invoke synchronize_rcu(), permitting a limited
+       d.      Periodically invoke synchronize_rcu(), permitting a limited
                number of updates per grace period.
 
        The same cautions apply to call_rcu_bh(), call_rcu_sched(),