Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[pandora-kernel.git] / kernel / exit.c

diff --git a/kernel/exit.c b/kernel/exit.c
index d8bd3b4..34867cc 100644 (file)
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -884,9 +884,9 @@ static void check_stack_usage(void)
 
        spin_lock(&low_water_lock);
        if (free < lowest_to_date) {
-               printk(KERN_WARNING "%s used greatest stack depth: %lu bytes "
-                               "left\n",
-                               current->comm, free);
+               printk(KERN_WARNING "%s (%d) used greatest stack depth: "
+                               "%lu bytes left\n",
+                               current->comm, task_pid_nr(current), free);
                lowest_to_date = free;
        }
        spin_unlock(&low_water_lock);
@@ -946,12 +946,13 @@ 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.
+        * an exiting task cleaning up the robust pi futexes, and in
+        * task_work_add() to avoid the race with exit_task_work().
         */
        smp_mb();
        raw_spin_unlock_wait(&tsk->pi_lock);
 
-       exit_irq_thread();
+       exit_task_work(tsk);
 
        if (unlikely(in_atomic()))
                printk(KERN_INFO "note: %s[%d] exited with preempt_count %d\n",
@@ -1214,7 +1215,7 @@ static int wait_task_zombie(struct wait_opts *wo, struct task_struct *p)
        unsigned long state;
        int retval, status, traced;
        pid_t pid = task_pid_vnr(p);
-       uid_t uid = __task_cred(p)->uid;
+       uid_t uid = from_kuid_munged(current_user_ns(), task_uid(p));
        struct siginfo __user *infop;
 
        if (!likely(wo->wo_flags & WEXITED))
@@ -1427,7 +1428,7 @@ static int wait_task_stopped(struct wait_opts *wo,
        if (!unlikely(wo->wo_flags & WNOWAIT))
                *p_code = 0;
 
-       uid = task_uid(p);
+       uid = from_kuid_munged(current_user_ns(), task_uid(p));
 unlock_sig:
        spin_unlock_irq(&p->sighand->siglock);
        if (!exit_code)
@@ -1500,7 +1501,7 @@ static int wait_task_continued(struct wait_opts *wo, struct task_struct *p)
        }
        if (!unlikely(wo->wo_flags & WNOWAIT))
                p->signal->flags &= ~SIGNAL_STOP_CONTINUED;
-       uid = task_uid(p);
+       uid = from_kuid_munged(current_user_ns(), task_uid(p));
        spin_unlock_irq(&p->sighand->siglock);
 
        pid = task_pid_vnr(p);