rcu: Add preemptibility checks in rcu_sched_qs() and rcu_bh_qs()

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This commit adds WARN_ON_ONCE() calls that trigger if either
rcu_sched_qs() or rcu_bh_qs() are invoked with preemption enabled.
In the immortal words of Peter Zijlstra: "these are much harder to ignore
than comments".

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

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Paul E. McKenney 2017-04-27 16:13:53 -07:00

parent c75e9caaf8

commit f4687d2637

1 changed files with 2 additions and 0 deletions

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kernel/rcu/tree.c

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