diff options
Diffstat (limited to 'kernel/freezer.c')
| -rw-r--r-- | kernel/freezer.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/freezer.c b/kernel/freezer.c index bd1d42b17cb2..66ecd2ead215 100644 --- a/kernel/freezer.c +++ b/kernel/freezer.c | |||
| @@ -104,8 +104,13 @@ bool freeze_task(struct task_struct *p, bool sig_only) | |||
| 104 | } | 104 | } |
| 105 | 105 | ||
| 106 | if (should_send_signal(p)) { | 106 | if (should_send_signal(p)) { |
| 107 | if (!signal_pending(p)) | 107 | fake_signal_wake_up(p); |
| 108 | fake_signal_wake_up(p); | 108 | /* |
| 109 | * fake_signal_wake_up() goes through p's scheduler | ||
| 110 | * lock and guarantees that TASK_STOPPED/TRACED -> | ||
| 111 | * TASK_RUNNING transition can't race with task state | ||
| 112 | * testing in try_to_freeze_tasks(). | ||
| 113 | */ | ||
| 109 | } else if (sig_only) { | 114 | } else if (sig_only) { |
| 110 | return false; | 115 | return false; |
| 111 | } else { | 116 | } else { |