From: "Paul E. McKenney" <[email protected]>

Tasks Trace RCU uses irq_work_queue() to safely awaken its grace-period
kthread, so this commit therefore causes the TASKS_TRACE_RCU Kconfig
option select the IRQ_WORK Kconfig option.

Reported-by: kernel test robot <[email protected]>
Acked-by: Randy Dunlap <[email protected]> # build-tested
Signed-off-by: Paul E. McKenney <[email protected]>
---
 kernel/rcu/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/rcu/Kconfig b/kernel/rcu/Kconfig
index b71e21f..84dfa8d 100644
--- a/kernel/rcu/Kconfig
+++ b/kernel/rcu/Kconfig
@@ -95,6 +95,7 @@ config TASKS_RUDE_RCU
 
 config TASKS_TRACE_RCU
        def_bool 0
+       select IRQ_WORK
        help
          This option enables a task-based RCU implementation that uses
          explicit rcu_read_lock_trace() read-side markers, and allows
-- 
2.9.5

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