Commit-ID: 516792e67c39d31701641ab355acdb9cbfec0643
Gitweb: http://git.kernel.org/tip/516792e67c39d31701641ab355acdb9cbfec0643
Author: Kirill Tkhai <[email protected]>
AuthorDate: Mon, 31 Aug 2015 15:12:56 +0300
Committer: Ingo Molnar <[email protected]>
CommitDate: Sun, 13 Sep 2015 11:27:23 +0200
perf/core: Delete PF_EXITING checks from perf_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 So this check is useless and the comment is obsolete.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 <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Vince Weaver <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
---
kernel/events/core.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/kernel/events/core.c b/kernel/events/core.c
index f548f69..76e64be 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -9297,14 +9297,6 @@ static void perf_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;
-
task_function_call(task, __perf_cgroup_move, task);
}
--
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