summaryrefslogtreecommitdiff
path: root/kernel/events
diff options
context:
space:
mode:
authorKirill Tkhai <ktkhai@odin.com>2015-08-31 15:12:56 +0300
committerIngo Molnar <mingo@kernel.org>2015-09-13 11:27:23 +0200
commit516792e67c39d31701641ab355acdb9cbfec0643 (patch)
treead17983965eb8a08c3e83ef9f55fa5f39b9157b9 /kernel/events
parentdeb27519bf1f4b21a761c0675dbdf1196df7d72a (diff)
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 So this check is useless and the comment is obsolete.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 <ktkhai@odin.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Link: http://lkml.kernel.org/r/55E444C8.3020402@odin.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/events')
-rw-r--r--kernel/events/core.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index f548f69c4299..76e64be9bfb5 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);
}