Commit 446685e9 authored Aug 31, 2015 by Kirill Tkhai Committed by Ingo Molnar Sep 13, 2015

sched/core: Delete PF_EXITING checks from cpu_cgroup_exit() callback



cgroup_exit() is not called from copy_process() after commit:

  e8604cb4 ("cgroup: fix spurious lockdep warning in cgroup_exit()")

from do_exit(). So this check is useless and the comment is obsolete.

Signed-off-by: Kirill Tkhai <ktkhai@odin.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/55E444C8.3020402@odin.com


Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent bc54da21

kernel/sched/core.c

+0 −8

Original line number	Diff line number	Diff line
		@@ -8193,14 +8193,6 @@ static void cpu_cgroup_exit(struct cgroup_subsys_state *css,
		struct cgroup_subsys_state *old_css,
		struct task_struct *task)
		{
		/*
		* cgroup_exit() is called in the copy_process() failure path.
		* Ignore this case since the task hasn't ran yet, this avoids
		* trying to poke a half freed task state from generic code.
		*/
		if (!(task->flags & PF_EXITING))
		return;

		sched_move_task(task);
		}