[PATCH RT 03/12] Disable RT_GROUP_SCHED in PREEMPT_RT_FULL

[PATCH RT 00/12] [ANNOUNCE] 3.4.4-rt14-rc2 stable review · Steven Rostedt <rostedt@goodmis.org> · 2012-07-17
[PATCH RT 02/12] Latency histograms: Adjust timer, if already elapsed when programmed · Steven Rostedt <rostedt@goodmis.org> · 2012-07-17
[PATCH RT 09/12] cpu/rt: Fix cpu_hotplug variable initialization · Steven Rostedt <rostedt@goodmis.org> · 2012-07-17
[PATCH RT 12/12] Linux 3.4.4-rt14-rc2 · Steven Rostedt <rostedt@goodmis.org> · 2012-07-17
[PATCH RT 06/12] fs, jbd: pull your plug when waiting for space · Steven Rostedt <rostedt@goodmis.org> · 2012-07-17
[PATCH RT 08/12] cpu/rt: Rework cpu down for PREEMPT_RT · Steven Rostedt <rostedt@goodmis.org> · 2012-07-17
[PATCH RT 11/12] workqueue: Revert workqueue: Fix cpuhotplug trainwreck · Steven Rostedt <rostedt@goodmis.org> · 2012-07-17
[PATCH RT 07/12] perf: Make swevent hrtimer run in irq instead of softirq · Steven Rostedt <rostedt@goodmis.org> · 2012-07-17
[PATCH RT 10/12] workqueue: Revert workqueue: Fix PF_THREAD_BOUND abuse · Steven Rostedt <rostedt@goodmis.org> · 2012-07-17
[PATCH RT 05/12] slab: Prevent local lock deadlock · Steven Rostedt <rostedt@goodmis.org> · 2012-07-17
[PATCH RT 03/12] Disable RT_GROUP_SCHED in PREEMPT_RT_FULL · Steven Rostedt <rostedt@goodmis.org> · 2012-07-17
[PATCH RT 01/12] Latency histogramms: Cope with backwards running local trace clock · Steven Rostedt <rostedt@goodmis.org> · 2012-07-17
[PATCH RT 04/12] Latency histograms: Detect another yet overlooked sharedprio condition · Steven Rostedt <rostedt@goodmis.org> · 2012-07-17

STALE5064d

From: Steven Rostedt <rostedt@goodmis.org>
Date: 2012-07-17 15:34:58
Also in: lkml
Subsystem: the rest · Maintainer: Linus Torvalds

From: Carsten Emde <redacted>

Strange CPU stalls have been observed in RT when RT_GROUP_SCHED
was configured.

Disable it for now.

Signed-off-by: Carsten Emde <redacted>
Signed-off-by: Thomas Gleixner <redacted>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 init/Kconfig |    1 +
 1 file changed, 1 insertion(+)

diff --git a/init/Kconfig b/init/Kconfig
index 7c0b369..c06208b 100644
--- a/init/Kconfig
+++ b/init/Kconfig

@@ -746,6 +746,7 @@ 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

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