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Date: Sun, 13 Sep 2015 04:01:14 -0700 From: tip-bot for Kirill Tkhai <tipbot@...or.com> To: linux-tip-commits@...r.kernel.org Cc: torvalds@...ux-foundation.org, peterz@...radead.org, mingo@...nel.org, linux-kernel@...r.kernel.org, tglx@...utronix.de, efault@....de, hpa@...or.com, ktkhai@...n.com Subject: [tip:sched/core] sched/core: Delete PF_EXITING checks from cpu_cgroup_exit() callback Commit-ID: 446685e9bfa11174332fbb0b3218b37015fbf4ff Gitweb: http://git.kernel.org/tip/446685e9bfa11174332fbb0b3218b37015fbf4ff Author: Kirill Tkhai <ktkhai@...n.com> AuthorDate: Mon, 31 Aug 2015 15:12:56 +0300 Committer: Ingo Molnar <mingo@...nel.org> CommitDate: Sun, 13 Sep 2015 09:52:51 +0200 sched/core: Delete PF_EXITING checks from cpu_cgroup_exit() callback cgroup_exit() is not called from copy_process() after commit: e8604cb43690 ("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 So this check is useless and the comment is obsolete.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@...n.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org> Cc: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Mike Galbraith <efault@....de> Cc: Peter Zijlstra <peterz@...radead.org> Cc: Thomas Gleixner <tglx@...utronix.de> Link: http://lkml.kernel.org/r/55E444C8.3020402@odin.com Signed-off-by: Ingo Molnar <mingo@...nel.org> --- kernel/sched/core.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 7c099e6..37ab6f9 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -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); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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