4.14.87-rt50-rc1 stable review patch. If anyone has any objections, please let me know. ------------------ From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> [ Upstream commit 78cab7cb632b6a4c84e78e4f12bb9e83c09b8885 ] Paul E. McKenney suggested to allow enabling RCU_BOOST on RT without the need to go through the EXPERT option first. Suggeted-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxx> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> --- kernel/rcu/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/rcu/Kconfig b/kernel/rcu/Kconfig index 0be2c96fb640..a243a78ff38c 100644 --- a/kernel/rcu/Kconfig +++ b/kernel/rcu/Kconfig @@ -36,7 +36,7 @@ config TINY_RCU config RCU_EXPERT bool "Make expert-level adjustments to RCU configuration" - default y if PREEMPT_RT_FULL + default n help This option needs to be enabled if you wish to make expert-level adjustments to RCU configuration. By default, @@ -190,7 +190,7 @@ config RCU_FAST_NO_HZ config RCU_BOOST bool "Enable RCU priority boosting" - depends on RT_MUTEXES && PREEMPT_RCU && RCU_EXPERT + depends on (RT_MUTEXES && PREEMPT_RCU && RCU_EXPERT) || PREEMPT_RT_FULL default y if PREEMPT_RT_FULL help This option boosts the priority of preempted RCU readers that -- 2.19.2
