Paul E. McKenney 92987fe8bd rcu: Allow expedited RCU CPU stall warnings to dump task stacks ...

This commit introduces the rcupdate.rcu_exp_stall_task_details kernel
boot parameter, which cause expedited RCU CPU stall warnings to dump
the stacks of any tasks blocking the current expedited grace period.

Reported-by: David Howells <dhowells@redhat.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

2023-01-03 17:47:44 -08:00

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