From 35cf4e50b16331def6cfcbee11e49270b6db07f5 Mon Sep 17 00:00:00 2001 From: Mike Galbraith Date: Tue, 7 Aug 2012 05:00:13 +0200 Subject: [PATCH] sched,cgroup: Fix up task_groups list With multiple instances of task_groups, for_each_rt_rq() is a noop, no task groups having been added to the rt.c list instance. This renders __enable/disable_runtime() and print_rt_stats() noop, the user (non) visible effect being that rt task groups are missing in /proc/sched_debug. Signed-off-by: Mike Galbraith Cc: stable@kernel.org # v3.3+ Signed-off-by: Peter Zijlstra Link: http://lkml.kernel.org/r/1344308413.6846.7.camel@marge.simpson.net Signed-off-by: Thomas Gleixner --- kernel/sched/core.c | 1 + kernel/sched/sched.h | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index e2c5841c7dfe..6aa212f3c581 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -7252,6 +7252,7 @@ int in_sched_functions(unsigned long addr) #ifdef CONFIG_CGROUP_SCHED struct task_group root_task_group; +LIST_HEAD(task_groups); #endif DECLARE_PER_CPU(cpumask_var_t, load_balance_tmpmask); diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 531411b1044e..f6714d009e77 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -80,7 +80,7 @@ extern struct mutex sched_domains_mutex; struct cfs_rq; struct rt_rq; -static LIST_HEAD(task_groups); +extern struct list_head task_groups; struct cfs_bandwidth { #ifdef CONFIG_CFS_BANDWIDTH