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lockdep: 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.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Paul E. McKenney 2018-11-06 19:06:51 -08:00
parent ae8b7ce764
commit 51959d85f3
1 changed files with 1 additions and 1 deletions
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kernel/locking/lockdep.c
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@ -4195,7 +4195,7 @@ void lockdep_free_key_range(void *start, unsigned long size)
*
* sync_sched() is sufficient because the read-side is IRQ disable.
*/
synchronize_sched();
synchronize_rcu();
/*
* XXX at this point we could return the resources to the pool;