diff options
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 28 |
1 files changed, 5 insertions, 23 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 4b4042f9bc6a..16b07bfac224 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -52,6 +52,7 @@ #include <linux/hw_breakpoint.h> #include <linux/oom.h> #include <linux/writeback.h> +#include <linux/shm.h> #include <asm/uaccess.h> #include <asm/unistd.h> @@ -424,7 +425,7 @@ void daemonize(const char *name, ...) */ exit_mm(current); /* - * We don't want to have TIF_FREEZE set if the system-wide hibernation + * We don't want to get frozen, in case system-wide hibernation * or suspend transition begins right now. */ current->flags |= (PF_NOFREEZE | PF_KTHREAD); @@ -818,25 +819,6 @@ static void exit_notify(struct task_struct *tsk, int group_dead) if (group_dead) kill_orphaned_pgrp(tsk->group_leader, NULL); - /* Let father know we died - * - * Thread signals are configurable, but you aren't going to use - * that to send signals to arbitrary processes. - * That stops right now. - * - * If the parent exec id doesn't match the exec id we saved - * when we started then we know the parent has changed security - * domain. - * - * If our self_exec id doesn't match our parent_exec_id then - * we have changed execution domain as these two values started - * the same after a fork. - */ - if (thread_group_leader(tsk) && tsk->exit_signal != SIGCHLD && - (tsk->parent_exec_id != tsk->real_parent->self_exec_id || - tsk->self_exec_id != tsk->parent_exec_id)) - tsk->exit_signal = SIGCHLD; - if (unlikely(tsk->ptrace)) { int sig = thread_group_leader(tsk) && thread_group_empty(tsk) && @@ -935,8 +917,6 @@ void do_exit(long code) schedule(); } - exit_irq_thread(); - exit_signals(tsk); /* sets PF_EXITING */ /* * tsk->flags are checked in the futex code to protect against @@ -945,6 +925,8 @@ void do_exit(long code) smp_mb(); raw_spin_unlock_wait(&tsk->pi_lock); + exit_irq_thread(); + if (unlikely(in_atomic())) printk(KERN_INFO "note: %s[%d] exited with preempt_count %d\n", current->comm, task_pid_nr(current), @@ -953,7 +935,7 @@ void do_exit(long code) acct_update_integrals(tsk); /* sync mm's RSS info before statistics gathering */ if (tsk->mm) - sync_mm_rss(tsk, tsk->mm); + sync_mm_rss(tsk->mm); group_dead = atomic_dec_and_test(&tsk->signal->live); if (group_dead) { hrtimer_cancel(&tsk->signal->real_timer); |