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Diffstat (limited to 'kernel/exit.c')
-rw-r--r--kernel/exit.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index c8f23613df5b..3481ababd06a 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -764,7 +764,6 @@ void __noreturn do_exit(long code)
{
struct task_struct *tsk = current;
int group_dead;
- TASKS_RCU(int tasks_rcu_i);
profile_task_exit(tsk);
kcov_task_exit(tsk);
@@ -819,7 +818,8 @@ void __noreturn do_exit(long code)
* Ensure that we must observe the pi_state in exit_mm() ->
* mm_release() -> exit_pi_state_list().
*/
- raw_spin_unlock_wait(&tsk->pi_lock);
+ raw_spin_lock_irq(&tsk->pi_lock);
+ raw_spin_unlock_irq(&tsk->pi_lock);
if (unlikely(in_atomic())) {
pr_info("note: %s[%d] exited with preempt_count %d\n",
@@ -881,9 +881,7 @@ void __noreturn do_exit(long code)
*/
flush_ptrace_hw_breakpoint(tsk);
- TASKS_RCU(preempt_disable());
- TASKS_RCU(tasks_rcu_i = __srcu_read_lock(&tasks_rcu_exit_srcu));
- TASKS_RCU(preempt_enable());
+ exit_tasks_rcu_start();
exit_notify(tsk, group_dead);
proc_exit_connector(tsk);
mpol_put_task_policy(tsk);
@@ -918,8 +916,9 @@ void __noreturn do_exit(long code)
if (tsk->nr_dirtied)
__this_cpu_add(dirty_throttle_leaks, tsk->nr_dirtied);
exit_rcu();
- TASKS_RCU(__srcu_read_unlock(&tasks_rcu_exit_srcu, tasks_rcu_i));
+ exit_tasks_rcu_finish();
+ lockdep_free_task(tsk);
do_task_dead();
}
EXPORT_SYMBOL_GPL(do_exit);