Commits
Paul E. McKenney committed f2e0dd7090e
rcu: allow RCU CPU stall warning messages to be controlled in /sys Set the permissions of the rcu_cpu_stall_suppress to 644 to enable RCU CPU stall warnings to be enabled and disabled at runtime via sysfs. Suggested-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>