commit | 2a2ae872ef7aa958f2152b8b24c6e94cf5f1d0df | [log] [tgz] |
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author | Paul E. McKenney <paulmck@kernel.org> | Wed Jan 08 20:06:25 2020 -0800 |
committer | Paul E. McKenney <paulmck@kernel.org> | Thu Feb 20 15:58:22 2020 -0800 |
tree | a63de3362e628049c785189d39daebdbf139fe95 | |
parent | a5b8950180f8e5acb802d1672e0b4d0ceee6126e [diff] |
rcu: Add *_ONCE() to rcu_data ->rcu_forced_tick The rcu_data structure's ->rcu_forced_tick field is read locklessly, so this commit adds WRITE_ONCE() to all updates and READ_ONCE() to all lockless reads. This data race was reported by KCSAN. Not appropriate for backporting due to failure being unlikely. Signed-off-by: Paul E. McKenney <paulmck@kernel.org>