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Date: Tue, 5 Jan 2021 16:57:36 -0800 From: paulmck@...nel.org To: rcu@...r.kernel.org Cc: linux-kernel@...r.kernel.org, kernel-team@...com, mingo@...nel.org, jiangshanlai@...il.com, akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com, josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com, fweisbec@...il.com, oleg@...hat.com, joel@...lfernandes.org, "Paul E. McKenney" <paulmck@...nel.org> Subject: [PATCH tip/core/rcu 6/6] rcu: Make TASKS_TRACE_RCU select IRQ_WORK From: "Paul E. McKenney" <paulmck@...nel.org> 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 <lkp@...el.com> Acked-by: Randy Dunlap <rdunlap@...radead.org> # build-tested Signed-off-by: Paul E. McKenney <paulmck@...nel.org> --- 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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