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doc: rcu: Encourage use of rcu_barrier in checklist

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The checklist suggests rcu_barrier_bh() for RCU-bh and similarly for
sched, however these APIs are now implemented as rcu_barrier() itself due
to the RCU consolidation. This commit therefore corrects checklist.txt
to encourage use of the underlying rcu_barrier() API.

Signed-off-by: Joel Fernandes (Google) <[email protected]>
Signed-off-by: Paul E. McKenney <[email protected]>
This commit is contained in:
Joel Fernandes (Google) 2018-10-05 16:18:14 -07:00 • committed by Paul E. McKenney
commit 1c7d6d4411
1 changed files with 2 additions and 2 deletions
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4
Documentation/RCU/checklist.txt
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@ -442,8 +442,8 @@ over a rather long period of time, but improvements are always welcome!
You instead need to use one of the barrier functions:
o call_rcu() -> rcu_barrier()
o call_rcu_bh() -> rcu_barrier_bh()
o call_rcu_sched() -> rcu_barrier_sched()
o call_rcu_bh() -> rcu_barrier()
o call_rcu_sched() -> rcu_barrier()
o call_srcu() -> srcu_barrier()
However, these barrier functions are absolutely -not- guaranteed