diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/freezer.c | 27 | ||||
| -rw-r--r-- | kernel/kthread.c | 2 |
2 files changed, 7 insertions, 22 deletions
diff --git a/kernel/freezer.c b/kernel/freezer.c index 2589a61de44c..9815b8d1eed5 100644 --- a/kernel/freezer.c +++ b/kernel/freezer.c @@ -39,7 +39,7 @@ bool freezing_slow_path(struct task_struct *p) if (pm_nosig_freezing || cgroup_freezing(p)) return true; - if (pm_freezing && !(p->flags & PF_FREEZER_NOSIG)) + if (pm_freezing && !(p->flags & PF_KTHREAD)) return true; return false; @@ -72,10 +72,6 @@ bool __refrigerator(bool check_kthr_stop) schedule(); } - spin_lock_irq(¤t->sighand->siglock); - recalc_sigpending(); /* We sent fake signal, clean it up */ - spin_unlock_irq(¤t->sighand->siglock); - pr_debug("%s left refrigerator\n", current->comm); /* @@ -120,7 +116,7 @@ bool freeze_task(struct task_struct *p) return false; } - if (!(p->flags & PF_FREEZER_NOSIG)) { + if (!(p->flags & PF_KTHREAD)) { fake_signal_wake_up(p); /* * fake_signal_wake_up() goes through p's scheduler @@ -145,28 +141,19 @@ void __thaw_task(struct task_struct *p) * be visible to @p as waking up implies wmb. Waking up inside * freezer_lock also prevents wakeups from leaking outside * refrigerator. - * - * If !FROZEN, @p hasn't reached refrigerator, recalc sigpending to - * avoid leaving dangling TIF_SIGPENDING behind. */ spin_lock_irqsave(&freezer_lock, flags); - if (frozen(p)) { + if (frozen(p)) wake_up_process(p); - } else { - spin_lock(&p->sighand->siglock); - recalc_sigpending_and_wake(p); - spin_unlock(&p->sighand->siglock); - } spin_unlock_irqrestore(&freezer_lock, flags); } /** - * __set_freezable - make %current freezable - * @with_signal: do we want %TIF_SIGPENDING for notification too? + * set_freezable - make %current freezable * * Mark %current freezable and enter refrigerator if necessary. */ -bool __set_freezable(bool with_signal) +bool set_freezable(void) { might_sleep(); @@ -177,10 +164,8 @@ bool __set_freezable(bool with_signal) */ spin_lock_irq(&freezer_lock); current->flags &= ~PF_NOFREEZE; - if (with_signal) - current->flags &= ~PF_FREEZER_NOSIG; spin_unlock_irq(&freezer_lock); return try_to_freeze(); } -EXPORT_SYMBOL(__set_freezable); +EXPORT_SYMBOL(set_freezable); diff --git a/kernel/kthread.c b/kernel/kthread.c index 1c36deaae2f1..3d3de633702e 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -282,7 +282,7 @@ int kthreadd(void *unused) set_cpus_allowed_ptr(tsk, cpu_all_mask); set_mems_allowed(node_states[N_HIGH_MEMORY]); - current->flags |= PF_NOFREEZE | PF_FREEZER_NOSIG; + current->flags |= PF_NOFREEZE; for (;;) { set_current_state(TASK_INTERRUPTIBLE); |