From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Gleixner Subject: [patch RT 3/7] Disable RT_GROUP_SCHED in PREEMPT_RT_FULL Date: Wed, 11 Jul 2012 22:05:18 -0000 Message-ID: <20120711215611.837510935@linutronix.de> References: <20120711214552.036760674@linutronix.de> Cc: Steven Rostedt , RT-users , Carsten Emde To: LKML Return-path: Content-Disposition: inline; filename=disable-rt_group_sched-in-preempt_rt_full.patch Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-rt-users.vger.kernel.org Strange CPU stalls have been observed in RT when RT_GROUP_SCHED was configured. Disable it for now. Signed-off-by: Carsten Emde Signed-off-by: Thomas Gleixner --- init/Kconfig | 1 + 1 file changed, 1 insertion(+) Index: linux-3.4.4-rt13-64+/init/Kconfig =================================================================== --- linux-3.4.4-rt13-64+.orig/init/Kconfig +++ linux-3.4.4-rt13-64+/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