commit | 3660c2813fb6d0ba48ee44bcbf9feddf7218c11d | [log] [tgz] |
---|---|---|
author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | Tue Dec 03 09:24:02 2013 -0800 |
committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | Mon Feb 17 15:01:10 2014 -0800 |
tree | db632e8ff7302aae520dfab42e6b2fce4615fb7f | |
parent | 6d0abeca3242a88cab8232e4acd7e2bf088f3bc2 [diff] |
rcu: Add ACCESS_ONCE() to ->n_force_qs_lh accesses The ->n_force_qs_lh field is accessed without the benefit of any synchronization, so this commit adds the needed ACCESS_ONCE() wrappers. Yes, increments to ->n_force_qs_lh can be lost, but contention should be low and the field is strictly statistical in nature, so this is not a problem. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org>