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 3/8] Disable RT_GROUP_SCHED in PREEMPT_RT_FULL
Date: Thu, 12 Jul 2012 19:18:30 -0400 [thread overview]
Message-ID: <20120712231956.179265047@goodmis.org> (raw)
In-Reply-To: 20120712231827.084920483@goodmis.org
[-- Attachment #1: 0003-Disable-RT_GROUP_SCHED-in-PREEMPT_RT_FULL.patch --]
[-- Type: text/plain, Size: 728 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 dbc82d0..720c182 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -731,6 +731,7 @@ 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:[~2012-07-12 23:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-12 23:18 [PATCH RT 0/8] [ANNOUNCE] 3.2.22-rt35-rc1 stable review Steven Rostedt
2012-07-12 23:18 ` [PATCH RT 1/8] Latency histogramms: Cope with backwards running local trace clock Steven Rostedt
2012-07-12 23:18 ` [PATCH RT 2/8] Latency histograms: Adjust timer, if already elapsed when programmed Steven Rostedt
2012-07-12 23:18 ` Steven Rostedt [this message]
2012-07-12 23:18 ` [PATCH RT 4/8] Latency histograms: Detect another yet overlooked sharedprio condition Steven Rostedt
2012-07-12 23:18 ` [PATCH RT 5/8] slab: Prevent local lock deadlock Steven Rostedt
2012-07-12 23:18 ` [PATCH RT 6/8] fs, jbd: pull your plug when waiting for space Steven Rostedt
2012-07-12 23:18 ` [PATCH RT 7/8] perf: Make swevent hrtimer run in irq instead of softirq Steven Rostedt
2012-07-12 23:18 ` [PATCH RT 8/8] Linux 3.2.22-rt35-rc1 Steven Rostedt
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