diff options
| -rw-r--r-- | include/linux/sched.h | 1 | ||||
| -rw-r--r-- | kernel/exit.c | 5 | ||||
| -rw-r--r-- | kernel/sched.c | 8 |
3 files changed, 0 insertions, 14 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 32e309df408..2d1e1a1228e 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -268,7 +268,6 @@ extern void init_idle(struct task_struct *idle, int cpu); extern void init_idle_bootup_task(struct task_struct *idle); extern int runqueue_is_locked(int cpu); -extern void task_rq_unlock_wait(struct task_struct *p); extern cpumask_var_t nohz_cpu_mask; #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ) diff --git a/kernel/exit.c b/kernel/exit.c index 356d91fa095..bbc79064650 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -145,11 +145,6 @@ static void __exit_signal(struct task_struct *tsk) if (sig) { flush_sigqueue(&sig->shared_pending); taskstats_tgid_free(sig); - /* - * Make sure ->signal can't go away under rq->lock, - * see account_group_exec_runtime(). - */ - task_rq_unlock_wait(tsk); tty_kref_put(tty); } } diff --git a/kernel/sched.c b/kernel/sched.c index 054a6012de9..15b93f617fd 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -969,14 +969,6 @@ static struct rq *task_rq_lock(struct task_struct *p, unsigned long *flags) } } -void task_rq_unlock_wait(struct task_struct *p) -{ - struct rq *rq = task_rq(p); - - smp_mb(); /* spin-unlock-wait is not a full memory barrier */ - raw_spin_unlock_wait(&rq->lock); -} - static void __task_rq_unlock(struct rq *rq) __releases(rq->lock) { |