rcu: Eliminate rcu_state ->orphan_lock

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The ->orphan_lock is acquired and released only within the
rcu_migrate_callbacks() function, which now acquires the root rcu_node
structure's ->lock.  This commit therefore eliminates the ->orphan_lock
in favor of the root rcu_node structure's ->lock.

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

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Paul E. McKenney 2017-06-26 17:59:02 -07:00

parent 9fa46fb8c9

commit 537b85c870

2 changed files with 3 additions and 15 deletions

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15

kernel/rcu/tree.c

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3

kernel/rcu/tree.h

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