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rcu: Don't scan root rcu_node structure for stalled tasks
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Wed, 10 Dec 2014 15:45:13 +0000 (07:45 -0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Tue, 6 Jan 2015 19:02:53 +0000 (11:02 -0800)
commit6cd534ef8bfe422a5a847b953d1039841509c374
treedbbac5df276f7e2e7379dcb66d8a690cbed6e261tree | snapshot
parentabaf3f9d275b8d856ae5e47531e40c0bfeac012bcommit | diff
rcu: Don't scan root rcu_node structure for stalled tasks

Now that blocked tasks are no longer migrated to the root rcu_node
structure, there is no need to scan the root rcu_node structure for
blocked tasks stalling the current grace period.  This commit therefore
removes this scan.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
kernel/rcu/tree.c diff | blob | history
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