From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org,
linux-rt-users <linux-rt-users@vger.kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Carsten Emde <C.Emde@osadl.org>, John Kacur <jkacur@redhat.com>
Subject: [PATCH RT 03/12] Disable RT_GROUP_SCHED in PREEMPT_RT_FULL
Date: Tue, 17 Jul 2012 11:31:18 -0400 [thread overview]
Message-ID: <20120717153243.155128585@goodmis.org> (raw)
In-Reply-To: 20120717153115.606116459@goodmis.org
[-- Attachment #1: 0003-Disable-RT_GROUP_SCHED-in-PREEMPT_RT_FULL.patch --]
[-- Type: text/plain, Size: 726 bytes --]
From: Carsten Emde <C.Emde@osadl.org>
Strange CPU stalls have been observed in RT when RT_GROUP_SCHED
was configured.
Disable it for now.
Signed-off-by: Carsten Emde <C.Emde@osadl.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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
--
1.7.10.4
next prev parent reply other threads:[~2012-07-17 15:31 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-17 15:31 [PATCH RT 00/12] [ANNOUNCE] 3.4.4-rt14-rc2 stable review Steven Rostedt
2012-07-17 15:31 ` [PATCH RT 01/12] Latency histogramms: Cope with backwards running local trace clock Steven Rostedt
2012-07-17 15:31 ` [PATCH RT 02/12] Latency histograms: Adjust timer, if already elapsed when programmed Steven Rostedt
2012-07-17 15:31 ` Steven Rostedt [this message]
2012-07-17 15:31 ` [PATCH RT 04/12] Latency histograms: Detect another yet overlooked sharedprio condition Steven Rostedt
2012-07-17 15:31 ` [PATCH RT 05/12] slab: Prevent local lock deadlock Steven Rostedt
2012-07-17 15:31 ` [PATCH RT 06/12] fs, jbd: pull your plug when waiting for space Steven Rostedt
2012-07-17 15:31 ` [PATCH RT 07/12] perf: Make swevent hrtimer run in irq instead of softirq Steven Rostedt
2012-07-17 15:31 ` [PATCH RT 08/12] cpu/rt: Rework cpu down for PREEMPT_RT Steven Rostedt
2012-07-17 15:31 ` [PATCH RT 09/12] cpu/rt: Fix cpu_hotplug variable initialization Steven Rostedt
2012-07-17 15:31 ` [PATCH RT 10/12] workqueue: Revert workqueue: Fix PF_THREAD_BOUND abuse Steven Rostedt
2012-07-17 15:31 ` [PATCH RT 11/12] workqueue: Revert workqueue: Fix cpuhotplug trainwreck Steven Rostedt
2012-07-17 15:31 ` [PATCH RT 12/12] Linux 3.4.4-rt14-rc2 Steven Rostedt
-- strict thread matches above, loose matches on Subject: below --
2012-07-18 22:39 [PATCH RT 00/12] [ANNOUNCE] 3.0.36-rt58-rc1 stable review Steven Rostedt
2012-07-18 22:39 ` [PATCH RT 03/12] Disable RT_GROUP_SCHED in PREEMPT_RT_FULL Steven Rostedt
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