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freezer: change ptrace_stop/do_signal_stop to use freezable_schedule()
[linux-2.6-microblaze.git]
/
kernel
/
freezer.c
diff --git
a/kernel/freezer.c
b/kernel/freezer.c
index
11f82a4
..
c38893b
100644
(file)
--- a/
kernel/freezer.c
+++ b/
kernel/freezer.c
@@
-116,17
+116,10
@@
bool freeze_task(struct task_struct *p)
return false;
}
return false;
}
- if (!(p->flags & PF_KTHREAD))
{
+ if (!(p->flags & PF_KTHREAD))
fake_signal_wake_up(p);
fake_signal_wake_up(p);
- /*
- * fake_signal_wake_up() goes through p's scheduler
- * lock and guarantees that TASK_STOPPED/TRACED ->
- * TASK_RUNNING transition can't race with task state
- * testing in try_to_freeze_tasks().
- */
- } else {
+ else
wake_up_state(p, TASK_INTERRUPTIBLE);
wake_up_state(p, TASK_INTERRUPTIBLE);
- }
spin_unlock_irqrestore(&freezer_lock, flags);
return true;
spin_unlock_irqrestore(&freezer_lock, flags);
return true;