rcu: Add up-tree information to dump_blkd_tasks() diagnostics

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This commit updates dump_blkd_tasks() to print out quiescent-state
bitmasks for the rcu_node structures further up the tree.  This
information helps debugging of interactions between CPU-hotplug
operations and RCU grace-period initialization.

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

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Paul E. McKenney 2018-05-08 12:50:14 -07:00

parent e05121ba5b

commit ff3cee3908

1 changed files with 6 additions and 4 deletions

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kernel/rcu/tree_plugin.h

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