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move exit_task_work() past exit_files() et.al.

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... and get rid of PF_EXITING check in task_work_add().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-06-27 11:31:24 +04:00
parent 67d1214551
commit ed3e694d78
2 changed files with 13 additions and 23 deletions
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6
kernel/exit.c
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@@ -953,14 +953,11 @@ void do_exit(long code)
exit_signals(tsk); /* sets PF_EXITING */
/*
* tsk->flags are checked in the futex code to protect against
* an exiting task cleaning up the robust pi futexes, and in
* task_work_add() to avoid the race with exit_task_work().
* an exiting task cleaning up the robust pi futexes.
*/
smp_mb();
raw_spin_unlock_wait(&tsk->pi_lock);
exit_task_work(tsk);
if (unlikely(in_atomic()))
printk(KERN_INFO "note: %s[%d] exited with preempt_count %d\n",
current->comm, task_pid_nr(current),
@@ -995,6 +992,7 @@ void do_exit(long code)
exit_shm(tsk);
exit_files(tsk);
exit_fs(tsk);
exit_task_work(tsk);
check_stack_usage();
exit_thread();