From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030383Ab2GKWGV (ORCPT ); Wed, 11 Jul 2012 18:06:21 -0400 Received: from www.linutronix.de ([62.245.132.108]:35499 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030271Ab2GKWFU (ORCPT ); Wed, 11 Jul 2012 18:05:20 -0400 Message-Id: <20120711215611.837510935@linutronix.de> User-Agent: quilt/0.48-1 Date: Wed, 11 Jul 2012 22:05:18 -0000 From: Thomas Gleixner To: LKML Cc: Steven Rostedt , RT-users , Carsten Emde Subject: [patch RT 3/7] Disable RT_GROUP_SCHED in PREEMPT_RT_FULL References: <20120711214552.036760674@linutronix.de> Content-Disposition: inline; filename=disable-rt_group_sched-in-preempt_rt_full.patch X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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