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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2013-12-03 09:24:02 -0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2014-02-17 15:01:10 -0800 |
| commit | 3660c2813fb6d0ba48ee44bcbf9feddf7218c11d (patch) | |
| tree | db632e8ff7302aae520dfab42e6b2fce4615fb7f /kernel/rcu/rcu.h | |
| parent | 6d0abeca3242a88cab8232e4acd7e2bf088f3bc2 (diff) | |
| download | linux-3660c2813fb6d0ba48ee44bcbf9feddf7218c11d.tar.bz2 | |
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>
Diffstat (limited to 'kernel/rcu/rcu.h')
0 files changed, 0 insertions, 0 deletions