Commit 35cf4e50 authored Aug 07, 2012 by Mike Galbraith Committed by Thomas Gleixner Aug 13, 2012

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 <efault@gmx.de>
Cc: stable@kernel.org # v3.3+
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1344308413.6846.7.camel@marge.simpson.net


Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

parent bea6832c

kernel/sched/core.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);

kernel/sched/sched.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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

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