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rcu: Use wrapper for lockdep asserts

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Commits c0b334c5bf and ea9b0c8a26 introduced new sparse warnings
by accessing rcu_node->lock directly and ignoring the __private
marker.  Introduce a new wrapper and use it.  Also fix a similar problem
in srcutree.c introduced by a3883df393.

Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Matthew Wilcox
2018-01-17 06:24:30 -08:00
committed by Paul E. McKenney
parent 65518db86b
commit a32e01ee68
4 changed files with 19 additions and 16 deletions
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5
kernel/rcu/rcu.h
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@@ -337,7 +337,7 @@ do { \
} while (0)
#define raw_spin_unlock_irqrestore_rcu_node(p, flags) \
raw_spin_unlock_irqrestore(&ACCESS_PRIVATE(p, lock), flags) \
raw_spin_unlock_irqrestore(&ACCESS_PRIVATE(p, lock), flags)
#define raw_spin_trylock_rcu_node(p) \
({ \
@@ -348,6 +348,9 @@ do { \
___locked; \
})
#define raw_lockdep_assert_held_rcu_node(p) \
lockdep_assert_held(&ACCESS_PRIVATE(p, lock))
#endif /* #if defined(SRCU) || !defined(TINY_RCU) */
#ifdef CONFIG_TINY_RCU