Manual merge of for-linus to upstream (fix conflicts in drivers/infiniband/core/ucm.c)

1 files changed, 1 insertions, 13 deletions

diff --git a/kernel/signal.c b/kernel/signal.c
index 50c992643771..f2b96b08fb44 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -397,20 +397,8 @@ void __exit_signal(struct task_struct *tsk)
         flush_sigqueue(&tsk->pending);
         if (sig) {
                 /*
-                 * We are cleaning up the signal_struct here.  We delayed
-                 * calling exit_itimers until after flush_sigqueue, just in
-                 * case our thread-local pending queue contained a queued
-                 * timer signal that would have been cleared in
-                 * exit_itimers.  When that called sigqueue_free, it would
-                 * attempt to re-take the tasklist_lock and deadlock.  This
-                 * can never happen if we ensure that all queues the
-                 * timer's signal might be queued on have been flushed
-                 * first.  The shared_pending queue, and our own pending
-                 * queue are the only queues the timer could be on, since
-                 * there are no other threads left in the group and timer
-                 * signals are constrained to threads inside the group.
+                 * We are cleaning up the signal_struct here.
                  */
-                exit_itimers(sig);
                 exit_thread_group_keys(sig);
                 kmem_cache_free(signal_cachep, sig);
         }