pagemap: introduce data structure for pagemap entry

[platform/adaptation/renesas_rcar/renesas_kernel.git] / kernel / exit.c

diff --git a/kernel/exit.c b/kernel/exit.c
index 4b4042f..0ed15fe 100644 (file)
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -424,7 +424,7 @@ 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 +818,6 @@ 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 +916,6 @@ 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 +924,8 @@ 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),