diff options
Diffstat (limited to 'kernel/power')
| -rw-r--r-- | kernel/power/process.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/kernel/power/process.c b/kernel/power/process.c index 6aeb5efe00e..0d2aeb22610 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -53,11 +53,9 @@ static int try_to_freeze_tasks(bool user_only) * It is "frozen enough". If the task does wake * up, it will immediately call try_to_freeze. * - * Because freeze_task() goes through p's - * scheduler lock after setting TIF_FREEZE, it's - * guaranteed that either we see TASK_RUNNING or - * try_to_stop() after schedule() in ptrace/signal - * stop sees TIF_FREEZE. + * Because freeze_task() goes through p's scheduler lock, it's + * guaranteed that TASK_STOPPED/TRACED -> TASK_RUNNING + * transition can't race with task state testing here. */ if (!task_is_stopped_or_traced(p) && !freezer_should_skip(p)) |