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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
| commit | e219aafe50fd546b8686582ddbafd24c3c2eda04 (patch) | |
| tree | a665e08ca8d42f20ac8e5dcc8565d666cffb26bd /kernel/exit.c | |
| parent | ffe12855a5f7f195589130197558e6a5c276caa4 (diff) | |
| parent | 24c96dc79c5e76d3cff7a33f955a4d3244644766 (diff) | |
Merge back earlier 'pm-domains' material for v4.5.
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index ea95ee1b5ef70..07110c6020a04 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -706,10 +706,12 @@ void do_exit(long code) smp_mb(); raw_spin_unlock_wait(&tsk->pi_lock); - if (unlikely(in_atomic())) + if (unlikely(in_atomic())) { pr_info("note: %s[%d] exited with preempt_count %d\n", current->comm, task_pid_nr(current), preempt_count()); + preempt_count_set(PREEMPT_ENABLED); + } /* sync mm's RSS info before statistics gathering */ if (tsk->mm) @@ -761,7 +763,9 @@ void 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_notify(tsk, group_dead); proc_exit_connector(tsk); #ifdef CONFIG_NUMA |