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rcutorture/formal: Replace synchronize_sched() with synchronize_rcu()

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Now that synchronize_rcu() waits for preempt-disable regions of code
as well as RCU read-side critical sections, synchronize_sched() can be
replaced by synchronize_rcu().  This commit therefore makes this change,
even though it is but a comment.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
This commit is contained in:
Paul E. McKenney 2018-11-07 15:27:40 -08:00
parent 4a67e3a79e
commit df56e0f960
1 changed files with 2 additions and 2 deletions
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4
tools/testing/selftests/rcutorture/formal/srcu-cbmc/include/linux/types.h
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@ -131,8 +131,8 @@ struct hlist_node {
* weird ABI and we need to ask it explicitly.
*
* The alignment is required to guarantee that bits 0 and 1 of @next will be
* clear under normal conditions -- as long as we use call_rcu(),
* call_rcu_bh(), call_rcu_sched(), or call_srcu() to queue callback.
* clear under normal conditions -- as long as we use call_rcu() or
* call_srcu() to queue callback.
*
* This guarantee is important for few reasons:
* - future call_rcu_lazy() will make use of lower bits in the pointer;