diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-07-03 08:30:30 -0500 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2012-05-14 12:36:31 -0400 |
| commit | 40c44d1b44f32851cc3d9f64f87d75bac7b1cc4c (patch) | |
| tree | 01b4e79cbefb140e4815132555e3b5b42a292c33 /init | |
| parent | 9fec888de501c016fb9d8f3fd18fa48afc9b5fe7 (diff) | |
RCU: Force PREEMPT_RCU for PREEMPT-RT
PREEMPT_RT relies on PREEMPT_RCU - only allow RCU to be configured
interactively in the !PREEMPT_RT case.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-j1y0phicu6s6pu8guku2vca0@git.kernel.org
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/init/Kconfig b/init/Kconfig index f452eca42778..89e40a4c942f 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -401,7 +401,7 @@ config TREE_PREEMPT_RCU config TINY_RCU bool "UP-only small-memory-footprint RCU" - depends on !SMP + depends on !SMP && !PREEMPT_RT_FULL help This option selects the RCU implementation that is designed for UP systems from which real-time response @@ -410,7 +410,7 @@ config TINY_RCU config TINY_PREEMPT_RCU bool "Preemptible UP-only small-memory-footprint RCU" - depends on !SMP && PREEMPT + depends on !SMP && PREEMPT && !PREEMPT_RT_FULL help This option selects the RCU implementation that is designed for real-time UP systems. This option greatly reduces the @@ -719,7 +719,6 @@ config RT_GROUP_SCHED bool "Group scheduling for SCHED_RR/FIFO" depends on EXPERIMENTAL depends on CGROUP_SCHED - depends on !PREEMPT_RT_FULL default n help This feature lets you explicitly allocate real CPU bandwidth |