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rcu: Inline _rcu_barrier() into its sole remaining caller

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Because rcu_barrier() is a one-line wrapper function for _rcu_barrier()
and because nothing else calls _rcu_barrier(), this commit inlines
_rcu_barrier() into rcu_barrier().

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney
2018-07-10 18:37:30 -07:00
parent 395a2f097e
commit dd46a7882c
4 changed files with 39 additions and 45 deletions
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kernel/rcu/tree_plugin.h
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@@ -1993,7 +1993,7 @@ static bool rcu_nocb_cpu_needs_barrier(int cpu)
* There needs to be a barrier before this function is called,
* but associated with a prior determination that no more
* callbacks would be posted. In the worst case, the first
* barrier in _rcu_barrier() suffices (but the caller cannot
* barrier in rcu_barrier() suffices (but the caller cannot
* necessarily rely on this, not a substitute for the caller
* getting the concurrency design right!). There must also be
* a barrier between the following load an posting of a callback