[PATCH RT 07/13] rcu: make RCU_BOOST default on RT without EXPERT
From: Steven Rostedt <rostedt@goodmis.org>
Date: 2019-01-07 19:53:53
Also in:
lkml
Subsystem:
read-copy update (rcu), the rest · Maintainers:
"Paul E. McKenney", Frederic Weisbecker, Neeraj Upadhyay, Joel Fernandes, Josh Triplett, Boqun Feng, Uladzislau Rezki, Linus Torvalds
4.14.87-rt50-rc1 stable review patch. If anyone has any objections, please let me know. ------------------ From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> [ 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 [off-list ref] Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> --- 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
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2.19.2